CPUs.
--asm-raw::
- Show raw instruction encoding of assembly instructions. They
- are displayed by default, disable with --no-asm-raw.
+ Show raw instruction encoding of assembly instructions.
--source::
Interleave source code with assembly code. Enabled by default,
-M::
--disassembler-style=:: Set disassembler style for objdump.
+--source::
+ Interleave source code with assembly code. Enabled by default,
+ disable with --no-source.
+
+--asm-raw::
+ Show raw instruction encoding of assembly instructions.
+
+--show-total-period:: Show a column with the sum of periods.
+
+-I::
+--show-info::
+ Display extended information about the perf.data file. This adds
+ information which may be very large and thus may clutter the display.
+ It currently includes: cpu and numa topology of the host system.
+
SEE ALSO
--------
-linkperf:perf-stat[1]
+linkperf:perf-stat[1], linkperf:perf-annotate[1]
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
+-I::
+--show-info::
+ Display extended information about the perf.data file. This adds
+ information which may be very large and thus may clutter the display.
+ It currently includes: cpu and numa topology of the host system.
+ It can only be used with the perf script report mode.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],
--zero::
Zero history across display updates.
+-s::
+--sort::
+ Sort by key(s): pid, comm, dso, symbol, parent
+
+-n::
+--show-nr-samples::
+ Show a column with the number of samples.
+
+--show-total-period::
+ Show a column with the sum of periods.
+
+--dsos::
+ Only consider symbols in these dsos.
+
+--comms::
+ Only consider symbols in these comms.
+
+--symbols::
+ Only consider these symbols.
+
+-M::
+--disassembler-style=:: Set disassembler style for objdump.
+
+--source::
+ Interleave source code with assembly code. Enabled by default,
+ disable with --no-source.
+
+--asm-raw::
+ Show raw instruction encoding of assembly instructions.
+
+-G [type,min,order]::
+--call-graph::
+ Display call chains using type, min percent threshold and order.
+ type can be either:
+ - flat: single column, linear exposure of call chains.
+ - graph: use a graph tree, displaying absolute overhead rates.
+ - fractal: like graph, but displays relative rates. Each branch of
+ the tree is considered as a new profiled object.
+
+ order can be either:
+ - callee: callee based call graph.
+ - caller: inverted caller based call graph.
+
+ Default: fractal,0.5,callee.
+
INTERACTIVE PROMPTING KEYS
--------------------------
[S]::
Stop annotation, return to full profile display.
-[w]::
- Toggle between weighted sum and individual count[E]r profile.
-
[z]::
Toggle event count zeroing across display updates.
LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
- LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
LIB_OBJS += $(OUTPUT)util/ui/helpline.o
LIB_OBJS += $(OUTPUT)util/ui/progress.o
LIB_OBJS += $(OUTPUT)util/ui/util.o
$(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
-$(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
- $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
-
$(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif
+LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
--- /dev/null
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../../util/header.h"
+
+#define __stringify_1(x) #x
+#define __stringify(x) __stringify_1(x)
+
+#define mfspr(rn) ({unsigned long rval; \
+ asm volatile("mfspr %0," __stringify(rn) \
+ : "=r" (rval)); rval; })
+
+#define SPRN_PVR 0x11F /* Processor Version Register */
+#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
+#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
+
+int
+get_cpuid(char *buffer, size_t sz)
+{
+ unsigned long pvr;
+ int nb;
+
+ pvr = mfspr(SPRN_PVR);
+
+ nb = snprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
+
+ /* look for end marker to ensure the entire data fit */
+ if (strchr(buffer, '$')) {
+ buffer[nb-1] = '\0';
+ return 0;
+ }
+ return -1;
+}
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif
+LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
--- /dev/null
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../../util/header.h"
+
+static inline void
+cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c,
+ unsigned int *d)
+{
+ __asm__ __volatile__ (".byte 0x53\n\tcpuid\n\t"
+ "movl %%ebx, %%esi\n\t.byte 0x5b"
+ : "=a" (*a),
+ "=S" (*b),
+ "=c" (*c),
+ "=d" (*d)
+ : "a" (op));
+}
+
+int
+get_cpuid(char *buffer, size_t sz)
+{
+ unsigned int a, b, c, d, lvl;
+ int family = -1, model = -1, step = -1;
+ int nb;
+ char vendor[16];
+
+ cpuid(0, &lvl, &b, &c, &d);
+ strncpy(&vendor[0], (char *)(&b), 4);
+ strncpy(&vendor[4], (char *)(&d), 4);
+ strncpy(&vendor[8], (char *)(&c), 4);
+ vendor[12] = '\0';
+
+ if (lvl >= 1) {
+ cpuid(1, &a, &b, &c, &d);
+
+ family = (a >> 8) & 0xf; /* bits 11 - 8 */
+ model = (a >> 4) & 0xf; /* Bits 7 - 4 */
+ step = a & 0xf;
+
+ /* extended family */
+ if (family == 0xf)
+ family += (a >> 20) & 0xff;
+
+ /* extended model */
+ if (family >= 0x6)
+ model += ((a >> 16) & 0xf) << 4;
+ }
+ nb = snprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
+
+ /* look for end marker to ensure the entire data fit */
+ if (strchr(buffer, '$')) {
+ buffer[nb-1] = '\0';
+ return 0;
+ }
+ return -1;
+}
print_line, full_paths, 0, 0);
}
-static void hists__find_annotations(struct hists *self, int evidx)
+static void hists__find_annotations(struct hists *self, int evidx,
+ int nr_events)
{
struct rb_node *nd = rb_first(&self->entries), *next;
int key = KEY_RIGHT;
}
if (use_browser > 0) {
- key = hist_entry__tui_annotate(he, evidx);
+ key = hist_entry__tui_annotate(he, evidx, nr_events,
+ NULL, NULL, 0);
switch (key) {
case KEY_RIGHT:
next = rb_next(nd);
total_nr_samples += nr_samples;
hists__collapse_resort(hists);
hists__output_resort(hists);
- hists__find_annotations(hists, pos->idx);
+ hists__find_annotations(hists, pos->idx,
+ session->evlist->nr_entries);
}
}
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
- OPT_BOOLEAN('0', "source", &symbol_conf.annotate_src,
+ OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
"Interleave source code with assembly code (default)"),
- OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
+ OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
hists__match(&session[0]->hists, &session[1]->hists);
hists__fprintf(&session[1]->hists, &session[0]->hists,
- show_displacement, stdout);
+ show_displacement, true, 0, 0, stdout);
out_delete:
for (i = 0; i < 2; ++i)
perf_session__delete(session[i]);
if (have_tracepoints(&evsel_list->entries))
perf_header__set_feat(&session->header, HEADER_TRACE_INFO);
+ perf_header__set_feat(&session->header, HEADER_HOSTNAME);
+ perf_header__set_feat(&session->header, HEADER_OSRELEASE);
+ perf_header__set_feat(&session->header, HEADER_ARCH);
+ perf_header__set_feat(&session->header, HEADER_CPUDESC);
+ perf_header__set_feat(&session->header, HEADER_NRCPUS);
+ perf_header__set_feat(&session->header, HEADER_EVENT_DESC);
+ perf_header__set_feat(&session->header, HEADER_CMDLINE);
+ perf_header__set_feat(&session->header, HEADER_VERSION);
+ perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
+ perf_header__set_feat(&session->header, HEADER_TOTAL_MEM);
+ perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY);
+ perf_header__set_feat(&session->header, HEADER_CPUID);
+
/* 512 kiB: default amount of unprivileged mlocked memory */
if (mmap_pages == UINT_MAX)
mmap_pages = (512 * 1024) / page_size;
int err = -ENOMEM;
struct perf_evsel *pos;
+ perf_header__set_cmdline(argc, argv);
+
evsel_list = perf_evlist__new(NULL, NULL);
if (evsel_list == NULL)
return -ENOMEM;
static bool force, use_tui, use_stdio;
static bool hide_unresolved;
static bool dont_use_callchains;
+static bool show_full_info;
static bool show_threads;
static struct perf_read_values show_threads_values;
const char *evname = event_name(pos);
hists__fprintf_nr_sample_events(hists, evname, stdout);
- hists__fprintf(hists, NULL, false, stdout);
+ hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
fprintf(stdout, "\n\n");
}
goto out_delete;
}
+ if (use_browser <= 0)
+ perf_session__fprintf_info(session, stdout, show_full_info);
+
if (show_threads)
perf_read_values_init(&show_threads_values);
goto out_delete;
}
- if (use_browser > 0)
- perf_evlist__tui_browse_hists(session->evlist, help);
- else
+ if (use_browser > 0) {
+ perf_evlist__tui_browse_hists(session->evlist, help,
+ NULL, NULL, 0);
+ } else
perf_evlist__tty_browse_hists(session->evlist, help);
out_delete:
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+ OPT_BOOLEAN('I', "show-info", &show_full_info,
+ "Display extended information about perf.data file"),
+ OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
+ "Interleave source code with assembly code (default)"),
+ OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
+ "Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
+ OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
+ "Show a column with the sum of periods"),
OPT_END()
};
static u64 nr_unordered;
extern const struct option record_options[];
static bool no_callchain;
+static bool show_full_info;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
"comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr",
parse_output_fields),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
-
+ OPT_BOOLEAN('I', "show-info", &show_full_info,
+ "display extended information from perf.data file"),
OPT_END()
};
return -1;
}
+ perf_session__fprintf_info(session, stdout, show_full_info);
+
if (!no_callchain)
symbol_conf.use_callchain = true;
else
* any workload, CPU or specific PID.
*
* Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
+ * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Improvements and fixes by:
*
#include "util/parse-events.h"
#include "util/cpumap.h"
#include "util/xyarray.h"
+#include "util/sort.h"
#include "util/debug.h"
static struct perf_top top = {
.count_filter = 5,
.delay_secs = 2,
- .display_weighted = -1,
.target_pid = -1,
.target_tid = -1,
- .active_symbols = LIST_HEAD_INIT(top.active_symbols),
- .active_symbols_lock = PTHREAD_MUTEX_INITIALIZER,
- .active_symbols_cond = PTHREAD_COND_INITIALIZER,
.freq = 1000, /* 1 KHz */
};
static bool use_tui, use_stdio;
+static bool sort_has_symbols;
+
+static bool dont_use_callchains;
+static char callchain_default_opt[] = "fractal,0.5,callee";
+
+
static int default_interval = 0;
static bool kptr_restrict_warned;
static bool inherit = false;
static int realtime_prio = 0;
static bool group = false;
-static unsigned int page_size;
static unsigned int mmap_pages = 128;
static bool dump_symtab = false;
static struct winsize winsize;
static const char *sym_filter = NULL;
-struct sym_entry *sym_filter_entry_sched = NULL;
static int sym_pcnt_filter = 5;
/*
update_print_entries(&winsize);
}
-static int parse_source(struct sym_entry *syme)
+static int parse_source(struct hist_entry *he)
{
struct symbol *sym;
struct annotation *notes;
struct map *map;
int err = -1;
- if (!syme)
+ if (!he || !he->ms.sym)
return -1;
- sym = sym_entry__symbol(syme);
- map = syme->map;
+ sym = he->ms.sym;
+ map = he->ms.map;
/*
* We can't annotate with just /proc/kallsyms
return err;
}
- err = symbol__annotate(sym, syme->map, 0);
+ err = symbol__annotate(sym, map, 0);
if (err == 0) {
out_assign:
- top.sym_filter_entry = syme;
+ top.sym_filter_entry = he;
}
pthread_mutex_unlock(¬es->lock);
return err;
}
-static void __zero_source_counters(struct sym_entry *syme)
+static void __zero_source_counters(struct hist_entry *he)
{
- struct symbol *sym = sym_entry__symbol(syme);
+ struct symbol *sym = he->ms.sym;
symbol__annotate_zero_histograms(sym);
}
-static void record_precise_ip(struct sym_entry *syme, struct map *map,
- int counter, u64 ip)
+static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
{
struct annotation *notes;
struct symbol *sym;
- if (syme != top.sym_filter_entry)
+ if (he == NULL || he->ms.sym == NULL ||
+ (he != top.sym_filter_entry && use_browser != 1))
return;
- sym = sym_entry__symbol(syme);
+ sym = he->ms.sym;
notes = symbol__annotation(sym);
if (pthread_mutex_trylock(¬es->lock))
return;
- ip = map->map_ip(map, ip);
- symbol__inc_addr_samples(sym, map, counter, ip);
+ if (notes->src == NULL &&
+ symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
+ pthread_mutex_unlock(¬es->lock);
+ pr_err("Not enough memory for annotating '%s' symbol!\n",
+ sym->name);
+ sleep(1);
+ return;
+ }
+
+ ip = he->ms.map->map_ip(he->ms.map, ip);
+ symbol__inc_addr_samples(sym, he->ms.map, counter, ip);
pthread_mutex_unlock(¬es->lock);
}
-static void show_details(struct sym_entry *syme)
+static void show_details(struct hist_entry *he)
{
struct annotation *notes;
struct symbol *symbol;
int more;
- if (!syme)
+ if (!he)
return;
- symbol = sym_entry__symbol(syme);
+ symbol = he->ms.sym;
notes = symbol__annotation(symbol);
pthread_mutex_lock(¬es->lock);
printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter);
- more = symbol__annotate_printf(symbol, syme->map, top.sym_evsel->idx,
+ more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx,
0, sym_pcnt_filter, top.print_entries, 4);
if (top.zero)
symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx);
static const char CONSOLE_CLEAR[] = "\e[H\e[2J";
-static void __list_insert_active_sym(struct sym_entry *syme)
+static struct hist_entry *
+ perf_session__add_hist_entry(struct perf_session *session,
+ struct addr_location *al,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel)
{
- list_add(&syme->node, &top.active_symbols);
+ struct hist_entry *he;
+
+ he = __hists__add_entry(&evsel->hists, al, NULL, sample->period);
+ if (he == NULL)
+ return NULL;
+
+ session->hists.stats.total_period += sample->period;
+ hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+ return he;
}
static void print_sym_table(void)
{
char bf[160];
int printed = 0;
- struct rb_node *nd;
- struct sym_entry *syme;
- struct rb_root tmp = RB_ROOT;
const int win_width = winsize.ws_col - 1;
- int sym_width, dso_width, dso_short_width;
- float sum_ksamples = perf_top__decay_samples(&top, &tmp);
puts(CONSOLE_CLEAR);
color_fprintf(stdout, PERF_COLOR_RED, "WARNING:");
printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n",
top.total_lost_warned);
+ ++printed;
}
if (top.sym_filter_entry) {
return;
}
- perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width,
- &sym_width);
-
- if (sym_width + dso_width > winsize.ws_col - 29) {
- dso_width = dso_short_width;
- if (sym_width + dso_width > winsize.ws_col - 29)
- sym_width = winsize.ws_col - dso_width - 29;
- }
+ hists__collapse_resort_threaded(&top.sym_evsel->hists);
+ hists__output_resort_threaded(&top.sym_evsel->hists);
+ hists__decay_entries(&top.sym_evsel->hists);
+ hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
putchar('\n');
- if (top.evlist->nr_entries == 1)
- printf(" samples pcnt");
- else
- printf(" weight samples pcnt");
-
- if (verbose)
- printf(" RIP ");
- printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
- printf(" %s _______ _____",
- top.evlist->nr_entries == 1 ? " " : "______");
- if (verbose)
- printf(" ________________");
- printf(" %-*.*s", sym_width, sym_width, graph_line);
- printf(" %-*.*s", dso_width, dso_width, graph_line);
- puts("\n");
-
- for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
- struct symbol *sym;
- double pcnt;
-
- syme = rb_entry(nd, struct sym_entry, rb_node);
- sym = sym_entry__symbol(syme);
- if (++printed > top.print_entries ||
- (int)syme->snap_count < top.count_filter)
- continue;
-
- pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
- sum_ksamples));
-
- if (top.evlist->nr_entries == 1 || !top.display_weighted)
- printf("%20.2f ", syme->weight);
- else
- printf("%9.1f %10ld ", syme->weight, syme->snap_count);
-
- percent_color_fprintf(stdout, "%4.1f%%", pcnt);
- if (verbose)
- printf(" %016" PRIx64, sym->start);
- printf(" %-*.*s", sym_width, sym_width, sym->name);
- printf(" %-*.*s\n", dso_width, dso_width,
- dso_width >= syme->map->dso->long_name_len ?
- syme->map->dso->long_name :
- syme->map->dso->short_name);
- }
+ hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
+ winsize.ws_row - 4 - printed, win_width, stdout);
}
static void prompt_integer(int *target, const char *msg)
*target = tmp;
}
-static void prompt_symbol(struct sym_entry **target, const char *msg)
+static void prompt_symbol(struct hist_entry **target, const char *msg)
{
char *buf = malloc(0), *p;
- struct sym_entry *syme = *target, *n, *found = NULL;
+ struct hist_entry *syme = *target, *n, *found = NULL;
+ struct rb_node *next;
size_t dummy = 0;
/* zero counters of active symbol */
if (p)
*p = 0;
- pthread_mutex_lock(&top.active_symbols_lock);
- syme = list_entry(top.active_symbols.next, struct sym_entry, node);
- pthread_mutex_unlock(&top.active_symbols_lock);
-
- list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) {
- struct symbol *sym = sym_entry__symbol(syme);
-
- if (!strcmp(buf, sym->name)) {
- found = syme;
+ next = rb_first(&top.sym_evsel->hists.entries);
+ while (next) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
+ found = n;
break;
}
+ next = rb_next(&n->rb_node);
}
if (!found) {
char *name = NULL;
if (top.sym_filter_entry) {
- struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
+ struct symbol *sym = top.sym_filter_entry->ms.sym;
name = sym->name;
}
fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
fprintf(stdout, "\t[S] stop annotation.\n");
- if (top.evlist->nr_entries > 1)
- fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0);
-
fprintf(stdout,
"\t[K] hide kernel_symbols symbols. \t(%s)\n",
top.hide_kernel_symbols ? "yes" : "no");
case 'S':
return 1;
case 'E':
- case 'w':
- return top.evlist->nr_entries > 1 ? 1 : 0;
default:
break;
}
if (!top.sym_filter_entry)
break;
else {
- struct sym_entry *syme = top.sym_filter_entry;
+ struct hist_entry *syme = top.sym_filter_entry;
top.sym_filter_entry = NULL;
__zero_source_counters(syme);
case 'U':
top.hide_user_symbols = !top.hide_user_symbols;
break;
- case 'w':
- top.display_weighted = ~top.display_weighted;
- break;
case 'z':
top.zero = !top.zero;
break;
}
}
+static void perf_top__sort_new_samples(void *arg)
+{
+ struct perf_top *t = arg;
+ perf_top__reset_sample_counters(t);
+
+ if (t->evlist->selected != NULL)
+ t->sym_evsel = t->evlist->selected;
+
+ hists__collapse_resort_threaded(&t->sym_evsel->hists);
+ hists__output_resort_threaded(&t->sym_evsel->hists);
+ hists__decay_entries(&t->sym_evsel->hists);
+ hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
+}
+
static void *display_thread_tui(void *arg __used)
{
- int err = 0;
- pthread_mutex_lock(&top.active_symbols_lock);
- while (list_empty(&top.active_symbols)) {
- err = pthread_cond_wait(&top.active_symbols_cond,
- &top.active_symbols_lock);
- if (err)
- break;
- }
- pthread_mutex_unlock(&top.active_symbols_lock);
- if (!err)
- perf_top__tui_browser(&top);
+ const char *help = "For a higher level overview, try: perf top --sort comm,dso";
+
+ perf_top__sort_new_samples(&top);
+ perf_evlist__tui_browse_hists(top.evlist, help,
+ perf_top__sort_new_samples,
+ &top, top.delay_secs);
+
exit_browser(0);
exit(0);
return NULL;
NULL
};
-static int symbol_filter(struct map *map, struct symbol *sym)
+static int symbol_filter(struct map *map __used, struct symbol *sym)
{
- struct sym_entry *syme;
const char *name = sym->name;
int i;
strstr(name, "_text_end"))
return 1;
- syme = symbol__priv(sym);
- syme->map = map;
- symbol__annotate_init(map, sym);
-
- if (!top.sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) {
- /* schedule initial sym_filter_entry setup */
- sym_filter_entry_sched = syme;
- sym_filter = NULL;
- }
-
for (i = 0; skip_symbols[i]; i++) {
if (!strcmp(skip_symbols[i], name)) {
sym->ignore = true;
struct perf_sample *sample,
struct perf_session *session)
{
+ struct symbol *parent = NULL;
u64 ip = event->ip.ip;
- struct sym_entry *syme;
struct addr_location al;
struct machine *machine;
+ int err;
u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
++top.samples;
sleep(5);
vmlinux_warned = true;
}
-
- return;
- }
-
- /* let's see, whether we need to install initial sym_filter_entry */
- if (sym_filter_entry_sched) {
- top.sym_filter_entry = sym_filter_entry_sched;
- sym_filter_entry_sched = NULL;
- if (parse_source(top.sym_filter_entry) < 0) {
- struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
-
- pr_err("Can't annotate %s", sym->name);
- if (top.sym_filter_entry->map->dso->symtab_type == SYMTAB__KALLSYMS) {
- pr_err(": No vmlinux file was found in the path:\n");
- machine__fprintf_vmlinux_path(machine, stderr);
- } else
- pr_err(".\n");
- exit(1);
- }
}
- syme = symbol__priv(al.sym);
- if (!al.sym->ignore) {
+ if (al.sym == NULL || !al.sym->ignore) {
struct perf_evsel *evsel;
+ struct hist_entry *he;
evsel = perf_evlist__id2evsel(top.evlist, sample->id);
assert(evsel != NULL);
- syme->count[evsel->idx]++;
- record_precise_ip(syme, al.map, evsel->idx, ip);
- pthread_mutex_lock(&top.active_symbols_lock);
- if (list_empty(&syme->node) || !syme->node.next) {
- static bool first = true;
- __list_insert_active_sym(syme);
- if (first) {
- pthread_cond_broadcast(&top.active_symbols_cond);
- first = false;
- }
+
+ if ((sort__has_parent || symbol_conf.use_callchain) &&
+ sample->callchain) {
+ err = perf_session__resolve_callchain(session, al.thread,
+ sample->callchain, &parent);
+ if (err)
+ return;
}
- pthread_mutex_unlock(&top.active_symbols_lock);
+
+ he = perf_session__add_hist_entry(session, &al, sample, evsel);
+ if (he == NULL) {
+ pr_err("Problem incrementing symbol period, skipping event\n");
+ return;
+ }
+
+ if (symbol_conf.use_callchain) {
+ err = callchain_append(he->callchain, &session->callchain_cursor,
+ sample->period);
+ if (err)
+ return;
+ }
+
+ if (sort_has_symbols)
+ record_precise_ip(he, evsel->idx, ip);
}
+
+ return;
}
static void perf_session__mmap_read_idx(struct perf_session *self, int idx)
attr->read_format |= PERF_FORMAT_ID;
}
+ if (symbol_conf.use_callchain)
+ attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
+
attr->mmap = 1;
+ attr->comm = 1;
attr->inherit = inherit;
try_again:
if (perf_evsel__open(counter, top.evlist->cpus,
exit(0);
}
+static int setup_sample_type(void)
+{
+ if (!sort_has_symbols) {
+ if (symbol_conf.use_callchain) {
+ ui__warning("Selected -g but \"sym\" not present in --sort/-s.");
+ return -EINVAL;
+ }
+ } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE) {
+ if (callchain_register_param(&callchain_param) < 0) {
+ ui__warning("Can't register callchain params.\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int __cmd_top(void)
{
pthread_t thread;
- int ret __used;
+ int ret;
/*
* FIXME: perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
if (top.session == NULL)
return -ENOMEM;
+ ret = setup_sample_type();
+ if (ret)
+ goto out_delete;
+
if (top.target_tid != -1)
perf_event__synthesize_thread_map(top.evlist->threads,
perf_event__process, top.session);
ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
}
+out_delete:
+ perf_session__delete(top.session);
+ top.session = NULL;
+
+ return 0;
+}
+
+static int
+parse_callchain_opt(const struct option *opt __used, const char *arg,
+ int unset)
+{
+ char *tok, *tok2;
+ char *endptr;
+
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ dont_use_callchains = true;
+ return 0;
+ }
+
+ symbol_conf.use_callchain = true;
+
+ if (!arg)
+ return 0;
+
+ tok = strtok((char *)arg, ",");
+ if (!tok)
+ return -1;
+
+ /* get the output mode */
+ if (!strncmp(tok, "graph", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_ABS;
+
+ else if (!strncmp(tok, "flat", strlen(arg)))
+ callchain_param.mode = CHAIN_FLAT;
+
+ else if (!strncmp(tok, "fractal", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_REL;
+
+ else if (!strncmp(tok, "none", strlen(arg))) {
+ callchain_param.mode = CHAIN_NONE;
+ symbol_conf.use_callchain = false;
+
+ return 0;
+ }
+
+ else
+ return -1;
+
+ /* get the min percentage */
+ tok = strtok(NULL, ",");
+ if (!tok)
+ goto setup;
+
+ callchain_param.min_percent = strtod(tok, &endptr);
+ if (tok == endptr)
+ return -1;
+
+ /* get the print limit */
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+
+ if (tok2[0] != 'c') {
+ callchain_param.print_limit = strtod(tok2, &endptr);
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+ }
+
+ /* get the call chain order */
+ if (!strcmp(tok2, "caller"))
+ callchain_param.order = ORDER_CALLER;
+ else if (!strcmp(tok2, "callee"))
+ callchain_param.order = ORDER_CALLEE;
+ else
+ return -1;
+setup:
+ if (callchain_register_param(&callchain_param) < 0) {
+ fprintf(stderr, "Can't register callchain params\n");
+ return -1;
+ }
return 0;
}
"put the counters into a counter group"),
OPT_BOOLEAN('i', "inherit", &inherit,
"child tasks inherit counters"),
- OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name",
+ OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name",
"symbol to annotate"),
OPT_BOOLEAN('z', "zero", &top.zero,
"zero history across updates"),
OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
+ OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
+ "sort by key(s): pid, comm, dso, symbol, parent"),
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+ "Show a column with the number of samples"),
+ OPT_CALLBACK_DEFAULT('G', "call-graph", NULL, "output_type,min_percent, call_order",
+ "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. "
+ "Default: fractal,0.5,callee", &parse_callchain_opt,
+ callchain_default_opt),
+ OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
+ "Show a column with the sum of periods"),
+ OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
+ OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
+ "only consider symbols in these comms"),
+ OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
+ "only consider these symbols"),
+ OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
+ "Interleave source code with assembly code (default)"),
+ OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
+ "Display raw encoding of assembly instructions (default)"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
if (top.evlist == NULL)
return -ENOMEM;
- page_size = sysconf(_SC_PAGE_SIZE);
+ symbol_conf.exclude_other = false;
argc = parse_options(argc, argv, options, top_usage, 0);
if (argc)
usage_with_options(top_usage, options);
- /*
- * XXX For now start disabled, only using TUI if explicitely asked for.
- * Change that when handle_keys equivalent gets written, live annotation
- * done, etc.
- */
- use_browser = 0;
+ if (sort_order == default_sort_order)
+ sort_order = "dso,symbol";
+
+ setup_sorting(top_usage, options);
if (use_stdio)
use_browser = 0;
top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
- symbol_conf.priv_size = (sizeof(struct sym_entry) + sizeof(struct annotation) +
- (top.evlist->nr_entries + 1) * sizeof(unsigned long));
+ symbol_conf.priv_size = sizeof(struct annotation);
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
if (symbol__init() < 0)
return -1;
+ sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+ sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
+ sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+
+ /*
+ * Avoid annotation data structures overhead when symbols aren't on the
+ * sort list.
+ */
+ sort_has_symbols = sort_sym.list.next != NULL;
+
get_term_dimensions(&winsize);
if (top.print_entries == 0) {
update_print_entries(&winsize);
#include "util/util.h"
#include "util/strbuf.h"
-extern const char perf_version_string[];
extern const char perf_usage_string[];
extern const char perf_more_info_string[];
#include "../../arch/x86/include/asm/unistd.h"
#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
+#define CPUINFO_PROC "model name"
#endif
#if defined(__x86_64__)
#include "../../arch/x86/include/asm/unistd.h"
#define rmb() asm volatile("lfence" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
+#define CPUINFO_PROC "model name"
#endif
#ifdef __powerpc__
#include "../../arch/powerpc/include/asm/unistd.h"
#define rmb() asm volatile ("sync" ::: "memory")
#define cpu_relax() asm volatile ("" ::: "memory");
+#define CPUINFO_PROC "cpu"
#endif
#ifdef __s390__
# define rmb() asm volatile("" ::: "memory")
#endif
#define cpu_relax() asm volatile("" ::: "memory")
+#define CPUINFO_PROC "cpu type"
#endif
#ifdef __hppa__
#include "../../arch/parisc/include/asm/unistd.h"
#define rmb() asm volatile("" ::: "memory")
#define cpu_relax() asm volatile("" ::: "memory");
+#define CPUINFO_PROC "cpu"
#endif
#ifdef __sparc__
#include "../../arch/sparc/include/asm/unistd.h"
#define rmb() asm volatile("":::"memory")
#define cpu_relax() asm volatile("":::"memory")
+#define CPUINFO_PROC "cpu"
#endif
#ifdef __alpha__
#include "../../arch/alpha/include/asm/unistd.h"
#define rmb() asm volatile("mb" ::: "memory")
#define cpu_relax() asm volatile("" ::: "memory")
+#define CPUINFO_PROC "cpu model"
#endif
#ifdef __ia64__
#include "../../arch/ia64/include/asm/unistd.h"
#define rmb() asm volatile ("mf" ::: "memory")
#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
+#define CPUINFO_PROC "model name"
#endif
#ifdef __arm__
*/
#define rmb() ((void(*)(void))0xffff0fa0)()
#define cpu_relax() asm volatile("":::"memory")
+#define CPUINFO_PROC "Processor"
#endif
#ifdef __mips__
: /* no input */ \
: "memory")
#define cpu_relax() asm volatile("" ::: "memory")
+#define CPUINFO_PROC "cpu model"
#endif
#include <time.h>
};
extern bool perf_host, perf_guest;
+extern const char perf_version_string[];
#endif
#ifdef NO_NEWT_SUPPORT
static inline int symbol__tui_annotate(struct symbol *sym __used,
struct map *map __used,
- int evidx __used, int refresh __used)
+ int evidx __used,
+ void(*timer)(void *arg) __used,
+ void *arg __used, int delay_secs __used)
{
return 0;
}
#else
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
- int refresh);
+ int nr_events, void(*timer)(void *arg), void *arg,
+ int delay_secs);
#endif
extern const char *disassembler_style;
first = list_entry(evlist->entries.next, struct perf_evsel, node);
return first->attr.sample_id_all;
}
+
+void perf_evlist__set_selected(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ evlist->selected = evsel;
+}
struct pollfd *pollfd;
struct thread_map *threads;
struct cpu_map *cpus;
+ struct perf_evsel *selected;
};
struct perf_evsel;
void perf_evlist__disable(struct perf_evlist *evlist);
void perf_evlist__enable(struct perf_evlist *evlist);
+void perf_evlist__set_selected(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+
static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
struct cpu_map *cpus,
struct thread_map *threads)
evsel->idx = idx;
evsel->attr = *attr;
INIT_LIST_HEAD(&evsel->node);
+ hists__init(&evsel->hists);
}
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
#include <stdlib.h>
#include <linux/list.h>
#include <linux/kernel.h>
+#include <sys/utsname.h>
#include "evlist.h"
#include "evsel.h"
#include "session.h"
#include "symbol.h"
#include "debug.h"
+#include "cpumap.h"
static bool no_buildid_cache = false;
static int event_count;
static struct perf_trace_event_type *events;
+static u32 header_argc;
+static const char **header_argv;
+
+static int dsos__write_buildid_table(struct perf_header *header, int fd);
+static int perf_session__cache_build_ids(struct perf_session *session);
+
int perf_header__push_event(u64 id, const char *name)
{
if (strlen(name) > MAX_EVENT_NAME)
return err;
}
+static int do_write_string(int fd, const char *str)
+{
+ u32 len, olen;
+ int ret;
+
+ olen = strlen(str) + 1;
+ len = ALIGN(olen, NAME_ALIGN);
+
+ /* write len, incl. \0 */
+ ret = do_write(fd, &len, sizeof(len));
+ if (ret < 0)
+ return ret;
+
+ return write_padded(fd, str, olen, len);
+}
+
+static char *do_read_string(int fd, struct perf_header *ph)
+{
+ ssize_t sz, ret;
+ u32 len;
+ char *buf;
+
+ sz = read(fd, &len, sizeof(len));
+ if (sz < (ssize_t)sizeof(len))
+ return NULL;
+
+ if (ph->needs_swap)
+ len = bswap_32(len);
+
+ buf = malloc(len);
+ if (!buf)
+ return NULL;
+
+ ret = read(fd, buf, len);
+ if (ret == (ssize_t)len) {
+ /*
+ * strings are padded by zeroes
+ * thus the actual strlen of buf
+ * may be less than len
+ */
+ return buf;
+ }
+
+ free(buf);
+ return NULL;
+}
+
+int
+perf_header__set_cmdline(int argc, const char **argv)
+{
+ int i;
+
+ header_argc = (u32)argc;
+
+ /* do not include NULL termination */
+ header_argv = calloc(argc, sizeof(char *));
+ if (!header_argv)
+ return -ENOMEM;
+
+ /*
+ * must copy argv contents because it gets moved
+ * around during option parsing
+ */
+ for (i = 0; i < argc ; i++)
+ header_argv[i] = argv[i];
+
+ return 0;
+}
+
+static int write_trace_info(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist)
+{
+ return read_tracing_data(fd, &evlist->entries);
+}
+
+
+static int write_build_id(int fd, struct perf_header *h,
+ struct perf_evlist *evlist __used)
+{
+ struct perf_session *session;
+ int err;
+
+ session = container_of(h, struct perf_session, header);
+
+ err = dsos__write_buildid_table(h, fd);
+ if (err < 0) {
+ pr_debug("failed to write buildid table\n");
+ return err;
+ }
+ if (!no_buildid_cache)
+ perf_session__cache_build_ids(session);
+
+ return 0;
+}
+
+static int write_hostname(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ struct utsname uts;
+ int ret;
+
+ ret = uname(&uts);
+ if (ret < 0)
+ return -1;
+
+ return do_write_string(fd, uts.nodename);
+}
+
+static int write_osrelease(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ struct utsname uts;
+ int ret;
+
+ ret = uname(&uts);
+ if (ret < 0)
+ return -1;
+
+ return do_write_string(fd, uts.release);
+}
+
+static int write_arch(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ struct utsname uts;
+ int ret;
+
+ ret = uname(&uts);
+ if (ret < 0)
+ return -1;
+
+ return do_write_string(fd, uts.machine);
+}
+
+static int write_version(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ return do_write_string(fd, perf_version_string);
+}
+
+static int write_cpudesc(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+#ifndef CPUINFO_PROC
+#define CPUINFO_PROC NULL
+#endif
+ FILE *file;
+ char *buf = NULL;
+ char *s, *p;
+ const char *search = CPUINFO_PROC;
+ size_t len = 0;
+ int ret = -1;
+
+ if (!search)
+ return -1;
+
+ file = fopen("/proc/cpuinfo", "r");
+ if (!file)
+ return -1;
+
+ while (getline(&buf, &len, file) > 0) {
+ ret = strncmp(buf, search, strlen(search));
+ if (!ret)
+ break;
+ }
+
+ if (ret)
+ goto done;
+
+ s = buf;
+
+ p = strchr(buf, ':');
+ if (p && *(p+1) == ' ' && *(p+2))
+ s = p + 2;
+ p = strchr(s, '\n');
+ if (p)
+ *p = '\0';
+
+ /* squash extra space characters (branding string) */
+ p = s;
+ while (*p) {
+ if (isspace(*p)) {
+ char *r = p + 1;
+ char *q = r;
+ *p = ' ';
+ while (*q && isspace(*q))
+ q++;
+ if (q != (p+1))
+ while ((*r++ = *q++));
+ }
+ p++;
+ }
+ ret = do_write_string(fd, s);
+done:
+ free(buf);
+ fclose(file);
+ return ret;
+}
+
+static int write_nrcpus(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ long nr;
+ u32 nrc, nra;
+ int ret;
+
+ nr = sysconf(_SC_NPROCESSORS_CONF);
+ if (nr < 0)
+ return -1;
+
+ nrc = (u32)(nr & UINT_MAX);
+
+ nr = sysconf(_SC_NPROCESSORS_ONLN);
+ if (nr < 0)
+ return -1;
+
+ nra = (u32)(nr & UINT_MAX);
+
+ ret = do_write(fd, &nrc, sizeof(nrc));
+ if (ret < 0)
+ return ret;
+
+ return do_write(fd, &nra, sizeof(nra));
+}
+
+static int write_event_desc(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist)
+{
+ struct perf_evsel *attr;
+ u32 nre = 0, nri, sz;
+ int ret;
+
+ list_for_each_entry(attr, &evlist->entries, node)
+ nre++;
+
+ /*
+ * write number of events
+ */
+ ret = do_write(fd, &nre, sizeof(nre));
+ if (ret < 0)
+ return ret;
+
+ /*
+ * size of perf_event_attr struct
+ */
+ sz = (u32)sizeof(attr->attr);
+ ret = do_write(fd, &sz, sizeof(sz));
+ if (ret < 0)
+ return ret;
+
+ list_for_each_entry(attr, &evlist->entries, node) {
+
+ ret = do_write(fd, &attr->attr, sz);
+ if (ret < 0)
+ return ret;
+ /*
+ * write number of unique id per event
+ * there is one id per instance of an event
+ *
+ * copy into an nri to be independent of the
+ * type of ids,
+ */
+ nri = attr->ids;
+ ret = do_write(fd, &nri, sizeof(nri));
+ if (ret < 0)
+ return ret;
+
+ /*
+ * write event string as passed on cmdline
+ */
+ ret = do_write_string(fd, attr->name);
+ if (ret < 0)
+ return ret;
+ /*
+ * write unique ids for this event
+ */
+ ret = do_write(fd, attr->id, attr->ids * sizeof(u64));
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+static int write_cmdline(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ char buf[MAXPATHLEN];
+ char proc[32];
+ u32 i, n;
+ int ret;
+
+ /*
+ * actual atual path to perf binary
+ */
+ sprintf(proc, "/proc/%d/exe", getpid());
+ ret = readlink(proc, buf, sizeof(buf));
+ if (ret <= 0)
+ return -1;
+
+ /* readlink() does not add null termination */
+ buf[ret] = '\0';
+
+ /* account for binary path */
+ n = header_argc + 1;
+
+ ret = do_write(fd, &n, sizeof(n));
+ if (ret < 0)
+ return ret;
+
+ ret = do_write_string(fd, buf);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0 ; i < header_argc; i++) {
+ ret = do_write_string(fd, header_argv[i]);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+#define CORE_SIB_FMT \
+ "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list"
+#define THRD_SIB_FMT \
+ "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list"
+
+struct cpu_topo {
+ u32 core_sib;
+ u32 thread_sib;
+ char **core_siblings;
+ char **thread_siblings;
+};
+
+static int build_cpu_topo(struct cpu_topo *tp, int cpu)
+{
+ FILE *fp;
+ char filename[MAXPATHLEN];
+ char *buf = NULL, *p;
+ size_t len = 0;
+ u32 i = 0;
+ int ret = -1;
+
+ sprintf(filename, CORE_SIB_FMT, cpu);
+ fp = fopen(filename, "r");
+ if (!fp)
+ return -1;
+
+ if (getline(&buf, &len, fp) <= 0)
+ goto done;
+
+ fclose(fp);
+
+ p = strchr(buf, '\n');
+ if (p)
+ *p = '\0';
+
+ for (i = 0; i < tp->core_sib; i++) {
+ if (!strcmp(buf, tp->core_siblings[i]))
+ break;
+ }
+ if (i == tp->core_sib) {
+ tp->core_siblings[i] = buf;
+ tp->core_sib++;
+ buf = NULL;
+ len = 0;
+ }
+
+ sprintf(filename, THRD_SIB_FMT, cpu);
+ fp = fopen(filename, "r");
+ if (!fp)
+ goto done;
+
+ if (getline(&buf, &len, fp) <= 0)
+ goto done;
+
+ p = strchr(buf, '\n');
+ if (p)
+ *p = '\0';
+
+ for (i = 0; i < tp->thread_sib; i++) {
+ if (!strcmp(buf, tp->thread_siblings[i]))
+ break;
+ }
+ if (i == tp->thread_sib) {
+ tp->thread_siblings[i] = buf;
+ tp->thread_sib++;
+ buf = NULL;
+ }
+ ret = 0;
+done:
+ if(fp)
+ fclose(fp);
+ free(buf);
+ return ret;
+}
+
+static void free_cpu_topo(struct cpu_topo *tp)
+{
+ u32 i;
+
+ if (!tp)
+ return;
+
+ for (i = 0 ; i < tp->core_sib; i++)
+ free(tp->core_siblings[i]);
+
+ for (i = 0 ; i < tp->thread_sib; i++)
+ free(tp->thread_siblings[i]);
+
+ free(tp);
+}
+
+static struct cpu_topo *build_cpu_topology(void)
+{
+ struct cpu_topo *tp;
+ void *addr;
+ u32 nr, i;
+ size_t sz;
+ long ncpus;
+ int ret = -1;
+
+ ncpus = sysconf(_SC_NPROCESSORS_CONF);
+ if (ncpus < 0)
+ return NULL;
+
+ nr = (u32)(ncpus & UINT_MAX);
+
+ sz = nr * sizeof(char *);
+
+ addr = calloc(1, sizeof(*tp) + 2 * sz);
+ if (!addr)
+ return NULL;
+
+ tp = addr;
+
+ addr += sizeof(*tp);
+ tp->core_siblings = addr;
+ addr += sz;
+ tp->thread_siblings = addr;
+
+ for (i = 0; i < nr; i++) {
+ ret = build_cpu_topo(tp, i);
+ if (ret < 0)
+ break;
+ }
+ if (ret) {
+ free_cpu_topo(tp);
+ tp = NULL;
+ }
+ return tp;
+}
+
+static int write_cpu_topology(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ struct cpu_topo *tp;
+ u32 i;
+ int ret;
+
+ tp = build_cpu_topology();
+ if (!tp)
+ return -1;
+
+ ret = do_write(fd, &tp->core_sib, sizeof(tp->core_sib));
+ if (ret < 0)
+ goto done;
+
+ for (i = 0; i < tp->core_sib; i++) {
+ ret = do_write_string(fd, tp->core_siblings[i]);
+ if (ret < 0)
+ goto done;
+ }
+ ret = do_write(fd, &tp->thread_sib, sizeof(tp->thread_sib));
+ if (ret < 0)
+ goto done;
+
+ for (i = 0; i < tp->thread_sib; i++) {
+ ret = do_write_string(fd, tp->thread_siblings[i]);
+ if (ret < 0)
+ break;
+ }
+done:
+ free_cpu_topo(tp);
+ return ret;
+}
+
+
+
+static int write_total_mem(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ char *buf = NULL;
+ FILE *fp;
+ size_t len = 0;
+ int ret = -1, n;
+ uint64_t mem;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (!fp)
+ return -1;
+
+ while (getline(&buf, &len, fp) > 0) {
+ ret = strncmp(buf, "MemTotal:", 9);
+ if (!ret)
+ break;
+ }
+ if (!ret) {
+ n = sscanf(buf, "%*s %"PRIu64, &mem);
+ if (n == 1)
+ ret = do_write(fd, &mem, sizeof(mem));
+ }
+ free(buf);
+ fclose(fp);
+ return ret;
+}
+
+static int write_topo_node(int fd, int node)
+{
+ char str[MAXPATHLEN];
+ char field[32];
+ char *buf = NULL, *p;
+ size_t len = 0;
+ FILE *fp;
+ u64 mem_total, mem_free, mem;
+ int ret = -1;
+
+ sprintf(str, "/sys/devices/system/node/node%d/meminfo", node);
+ fp = fopen(str, "r");
+ if (!fp)
+ return -1;
+
+ while (getline(&buf, &len, fp) > 0) {
+ /* skip over invalid lines */
+ if (!strchr(buf, ':'))
+ continue;
+ if (sscanf(buf, "%*s %*d %s %"PRIu64, field, &mem) != 2)
+ goto done;
+ if (!strcmp(field, "MemTotal:"))
+ mem_total = mem;
+ if (!strcmp(field, "MemFree:"))
+ mem_free = mem;
+ }
+
+ fclose(fp);
+
+ ret = do_write(fd, &mem_total, sizeof(u64));
+ if (ret)
+ goto done;
+
+ ret = do_write(fd, &mem_free, sizeof(u64));
+ if (ret)
+ goto done;
+
+ ret = -1;
+ sprintf(str, "/sys/devices/system/node/node%d/cpulist", node);
+
+ fp = fopen(str, "r");
+ if (!fp)
+ goto done;
+
+ if (getline(&buf, &len, fp) <= 0)
+ goto done;
+
+ p = strchr(buf, '\n');
+ if (p)
+ *p = '\0';
+
+ ret = do_write_string(fd, buf);
+done:
+ free(buf);
+ fclose(fp);
+ return ret;
+}
+
+static int write_numa_topology(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ char *buf = NULL;
+ size_t len = 0;
+ FILE *fp;
+ struct cpu_map *node_map = NULL;
+ char *c;
+ u32 nr, i, j;
+ int ret = -1;
+
+ fp = fopen("/sys/devices/system/node/online", "r");
+ if (!fp)
+ return -1;
+
+ if (getline(&buf, &len, fp) <= 0)
+ goto done;
+
+ c = strchr(buf, '\n');
+ if (c)
+ *c = '\0';
+
+ node_map = cpu_map__new(buf);
+ if (!node_map)
+ goto done;
+
+ nr = (u32)node_map->nr;
+
+ ret = do_write(fd, &nr, sizeof(nr));
+ if (ret < 0)
+ goto done;
+
+ for (i = 0; i < nr; i++) {
+ j = (u32)node_map->map[i];
+ ret = do_write(fd, &j, sizeof(j));
+ if (ret < 0)
+ break;
+
+ ret = write_topo_node(fd, i);
+ if (ret < 0)
+ break;
+ }
+done:
+ free(buf);
+ fclose(fp);
+ free(node_map);
+ return ret;
+}
+
+/*
+ * default get_cpuid(): nothing gets recorded
+ * actual implementation must be in arch/$(ARCH)/util/header.c
+ */
+int __attribute__((weak)) get_cpuid(char *buffer __used, size_t sz __used)
+{
+ return -1;
+}
+
+static int write_cpuid(int fd, struct perf_header *h __used,
+ struct perf_evlist *evlist __used)
+{
+ char buffer[64];
+ int ret;
+
+ ret = get_cpuid(buffer, sizeof(buffer));
+ if (!ret)
+ goto write_it;
+
+ return -1;
+write_it:
+ return do_write_string(fd, buffer);
+}
+
+static void print_hostname(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# hostname : %s\n", str);
+ free(str);
+}
+
+static void print_osrelease(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# os release : %s\n", str);
+ free(str);
+}
+
+static void print_arch(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# arch : %s\n", str);
+ free(str);
+}
+
+static void print_cpudesc(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# cpudesc : %s\n", str);
+ free(str);
+}
+
+static void print_nrcpus(struct perf_header *ph, int fd, FILE *fp)
+{
+ ssize_t ret;
+ u32 nr;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ nr = -1; /* interpreted as error */
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ fprintf(fp, "# nrcpus online : %u\n", nr);
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ nr = -1; /* interpreted as error */
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ fprintf(fp, "# nrcpus avail : %u\n", nr);
+}
+
+static void print_version(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# perf version : %s\n", str);
+ free(str);
+}
+
+static void print_cmdline(struct perf_header *ph, int fd, FILE *fp)
+{
+ ssize_t ret;
+ char *str;
+ u32 nr, i;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ return;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ fprintf(fp, "# cmdline : ");
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ fprintf(fp, "%s ", str);
+ free(str);
+ }
+ fputc('\n', fp);
+}
+
+static void print_cpu_topology(struct perf_header *ph, int fd, FILE *fp)
+{
+ ssize_t ret;
+ u32 nr, i;
+ char *str;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ return;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ fprintf(fp, "# sibling cores : %s\n", str);
+ free(str);
+ }
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ return;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ fprintf(fp, "# sibling threads : %s\n", str);
+ free(str);
+ }
+}
+
+static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
+{
+ struct perf_event_attr attr;
+ uint64_t id;
+ void *buf = NULL;
+ char *str;
+ u32 nre, sz, nr, i, j, msz;
+ int ret;
+
+ /* number of events */
+ ret = read(fd, &nre, sizeof(nre));
+ if (ret != (ssize_t)sizeof(nre))
+ goto error;
+
+ if (ph->needs_swap)
+ nre = bswap_32(nre);
+
+ ret = read(fd, &sz, sizeof(sz));
+ if (ret != (ssize_t)sizeof(sz))
+ goto error;
+
+ if (ph->needs_swap)
+ sz = bswap_32(sz);
+
+ /*
+ * ensure it is at least to our ABI rev
+ */
+ if (sz < (u32)sizeof(attr))
+ goto error;
+
+ memset(&attr, 0, sizeof(attr));
+
+ /* read entire region to sync up to next field */
+ buf = malloc(sz);
+ if (!buf)
+ goto error;
+
+ msz = sizeof(attr);
+ if (sz < msz)
+ msz = sz;
+
+ for (i = 0 ; i < nre; i++) {
+
+ ret = read(fd, buf, sz);
+ if (ret != (ssize_t)sz)
+ goto error;
+
+ if (ph->needs_swap)
+ perf_event__attr_swap(buf);
+
+ memcpy(&attr, buf, msz);
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ goto error;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ str = do_read_string(fd, ph);
+ fprintf(fp, "# event : name = %s, ", str);
+ free(str);
+
+ fprintf(fp, "type = %d, config = 0x%"PRIx64
+ ", config1 = 0x%"PRIx64", config2 = 0x%"PRIx64,
+ attr.type,
+ (u64)attr.config,
+ (u64)attr.config1,
+ (u64)attr.config2);
+
+ fprintf(fp, ", excl_usr = %d, excl_kern = %d",
+ attr.exclude_user,
+ attr.exclude_kernel);
+
+ if (nr)
+ fprintf(fp, ", id = {");
+
+ for (j = 0 ; j < nr; j++) {
+ ret = read(fd, &id, sizeof(id));
+ if (ret != (ssize_t)sizeof(id))
+ goto error;
+
+ if (ph->needs_swap)
+ id = bswap_64(id);
+
+ if (j)
+ fputc(',', fp);
+
+ fprintf(fp, " %"PRIu64, id);
+ }
+ if (nr && j == nr)
+ fprintf(fp, " }");
+ fputc('\n', fp);
+ }
+ free(buf);
+ return;
+error:
+ fprintf(fp, "# event desc: not available or unable to read\n");
+}
+
+static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp)
+{
+ uint64_t mem;
+ ssize_t ret;
+
+ ret = read(fd, &mem, sizeof(mem));
+ if (ret != sizeof(mem))
+ goto error;
+
+ if (h->needs_swap)
+ mem = bswap_64(mem);
+
+ fprintf(fp, "# total memory : %"PRIu64" kB\n", mem);
+ return;
+error:
+ fprintf(fp, "# total memory : unknown\n");
+}
+
+static void print_numa_topology(struct perf_header *h __used, int fd, FILE *fp)
+{
+ ssize_t ret;
+ u32 nr, c, i;
+ char *str;
+ uint64_t mem_total, mem_free;
+
+ /* nr nodes */
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != (ssize_t)sizeof(nr))
+ goto error;
+
+ if (h->needs_swap)
+ nr = bswap_32(nr);
+
+ for (i = 0; i < nr; i++) {
+
+ /* node number */
+ ret = read(fd, &c, sizeof(c));
+ if (ret != (ssize_t)sizeof(c))
+ goto error;
+
+ if (h->needs_swap)
+ c = bswap_32(c);
+
+ ret = read(fd, &mem_total, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ ret = read(fd, &mem_free, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ if (h->needs_swap) {
+ mem_total = bswap_64(mem_total);
+ mem_free = bswap_64(mem_free);
+ }
+
+ fprintf(fp, "# node%u meminfo : total = %"PRIu64" kB,"
+ " free = %"PRIu64" kB\n",
+ c,
+ mem_total,
+ mem_free);
+
+ str = do_read_string(fd, h);
+ fprintf(fp, "# node%u cpu list : %s\n", c, str);
+ free(str);
+ }
+ return;
+error:
+ fprintf(fp, "# numa topology : not available\n");
+}
+
+static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
+{
+ char *str = do_read_string(fd, ph);
+ fprintf(fp, "# cpuid : %s\n", str);
+ free(str);
+}
+
+struct feature_ops {
+ int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
+ void (*print)(struct perf_header *h, int fd, FILE *fp);
+ const char *name;
+ bool full_only;
+};
+
+#define FEAT_OPA(n, w, p) \
+ [n] = { .name = #n, .write = w, .print = p }
+#define FEAT_OPF(n, w, p) \
+ [n] = { .name = #n, .write = w, .print = p, .full_only = true }
+
+static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
+ FEAT_OPA(HEADER_TRACE_INFO, write_trace_info, NULL),
+ FEAT_OPA(HEADER_BUILD_ID, write_build_id, NULL),
+ FEAT_OPA(HEADER_HOSTNAME, write_hostname, print_hostname),
+ FEAT_OPA(HEADER_OSRELEASE, write_osrelease, print_osrelease),
+ FEAT_OPA(HEADER_VERSION, write_version, print_version),
+ FEAT_OPA(HEADER_ARCH, write_arch, print_arch),
+ FEAT_OPA(HEADER_NRCPUS, write_nrcpus, print_nrcpus),
+ FEAT_OPA(HEADER_CPUDESC, write_cpudesc, print_cpudesc),
+ FEAT_OPA(HEADER_CPUID, write_cpuid, print_cpuid),
+ FEAT_OPA(HEADER_TOTAL_MEM, write_total_mem, print_total_mem),
+ FEAT_OPA(HEADER_EVENT_DESC, write_event_desc, print_event_desc),
+ FEAT_OPA(HEADER_CMDLINE, write_cmdline, print_cmdline),
+ FEAT_OPF(HEADER_CPU_TOPOLOGY, write_cpu_topology, print_cpu_topology),
+ FEAT_OPF(HEADER_NUMA_TOPOLOGY, write_numa_topology, print_numa_topology),
+};
+
+struct header_print_data {
+ FILE *fp;
+ bool full; /* extended list of headers */
+};
+
+static int perf_file_section__fprintf_info(struct perf_file_section *section,
+ struct perf_header *ph,
+ int feat, int fd, void *data)
+{
+ struct header_print_data *hd = data;
+
+ if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {
+ pr_debug("Failed to lseek to %" PRIu64 " offset for feature "
+ "%d, continuing...\n", section->offset, feat);
+ return 0;
+ }
+ if (feat < HEADER_TRACE_INFO || feat >= HEADER_LAST_FEATURE) {
+ pr_warning("unknown feature %d\n", feat);
+ return -1;
+ }
+ if (!feat_ops[feat].print)
+ return 0;
+
+ if (!feat_ops[feat].full_only || hd->full)
+ feat_ops[feat].print(ph, fd, hd->fp);
+ else
+ fprintf(hd->fp, "# %s info available, use -I to display\n",
+ feat_ops[feat].name);
+
+ return 0;
+}
+
+int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
+{
+ struct header_print_data hd;
+ struct perf_header *header = &session->header;
+ int fd = session->fd;
+ hd.fp = fp;
+ hd.full = full;
+
+ perf_header__process_sections(header, fd, &hd,
+ perf_file_section__fprintf_info);
+ return 0;
+}
+
#define dsos__for_each_with_build_id(pos, head) \
list_for_each_entry(pos, head, node) \
if (!pos->has_build_id) \
return ret;
}
+static int do_write_feat(int fd, struct perf_header *h, int type,
+ struct perf_file_section **p,
+ struct perf_evlist *evlist)
+{
+ int err;
+ int ret = 0;
+
+ if (perf_header__has_feat(h, type)) {
+
+ (*p)->offset = lseek(fd, 0, SEEK_CUR);
+
+ err = feat_ops[type].write(fd, h, evlist);
+ if (err < 0) {
+ pr_debug("failed to write feature %d\n", type);
+
+ /* undo anything written */
+ lseek(fd, (*p)->offset, SEEK_SET);
+
+ return -1;
+ }
+ (*p)->size = lseek(fd, 0, SEEK_CUR) - (*p)->offset;
+ (*p)++;
+ }
+ return ret;
+}
+
static int perf_header__adds_write(struct perf_header *header,
struct perf_evlist *evlist, int fd)
{
int nr_sections;
struct perf_session *session;
- struct perf_file_section *feat_sec;
+ struct perf_file_section *feat_sec, *p;
int sec_size;
u64 sec_start;
- int idx = 0, err;
+ int err;
session = container_of(header, struct perf_session, header);
if (!nr_sections)
return 0;
- feat_sec = calloc(sizeof(*feat_sec), nr_sections);
+ feat_sec = p = calloc(sizeof(*feat_sec), nr_sections);
if (feat_sec == NULL)
return -ENOMEM;
sec_start = header->data_offset + header->data_size;
lseek(fd, sec_start + sec_size, SEEK_SET);
- if (perf_header__has_feat(header, HEADER_TRACE_INFO)) {
- struct perf_file_section *trace_sec;
-
- trace_sec = &feat_sec[idx++];
+ err = do_write_feat(fd, header, HEADER_TRACE_INFO, &p, evlist);
+ if (err)
+ goto out_free;
- /* Write trace info */
- trace_sec->offset = lseek(fd, 0, SEEK_CUR);
- read_tracing_data(fd, &evlist->entries);
- trace_sec->size = lseek(fd, 0, SEEK_CUR) - trace_sec->offset;
+ err = do_write_feat(fd, header, HEADER_BUILD_ID, &p, evlist);
+ if (err) {
+ perf_header__clear_feat(header, HEADER_BUILD_ID);
+ goto out_free;
}
- if (perf_header__has_feat(header, HEADER_BUILD_ID)) {
- struct perf_file_section *buildid_sec;
+ err = do_write_feat(fd, header, HEADER_HOSTNAME, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_HOSTNAME);
- buildid_sec = &feat_sec[idx++];
+ err = do_write_feat(fd, header, HEADER_OSRELEASE, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_OSRELEASE);
- /* Write build-ids */
- buildid_sec->offset = lseek(fd, 0, SEEK_CUR);
- err = dsos__write_buildid_table(header, fd);
- if (err < 0) {
- pr_debug("failed to write buildid table\n");
- goto out_free;
- }
- buildid_sec->size = lseek(fd, 0, SEEK_CUR) -
- buildid_sec->offset;
- if (!no_buildid_cache)
- perf_session__cache_build_ids(session);
- }
+ err = do_write_feat(fd, header, HEADER_VERSION, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_VERSION);
+
+ err = do_write_feat(fd, header, HEADER_ARCH, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_ARCH);
+
+ err = do_write_feat(fd, header, HEADER_NRCPUS, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_NRCPUS);
+
+ err = do_write_feat(fd, header, HEADER_CPUDESC, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_CPUDESC);
+
+ err = do_write_feat(fd, header, HEADER_CPUID, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_CPUID);
+
+ err = do_write_feat(fd, header, HEADER_TOTAL_MEM, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_TOTAL_MEM);
+
+ err = do_write_feat(fd, header, HEADER_CMDLINE, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_CMDLINE);
+
+ err = do_write_feat(fd, header, HEADER_EVENT_DESC, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_EVENT_DESC);
+
+ err = do_write_feat(fd, header, HEADER_CPU_TOPOLOGY, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_CPU_TOPOLOGY);
+
+ err = do_write_feat(fd, header, HEADER_NUMA_TOPOLOGY, &p, evlist);
+ if (err)
+ perf_header__clear_feat(header, HEADER_NUMA_TOPOLOGY);
lseek(fd, sec_start, SEEK_SET);
+ /*
+ * may write more than needed due to dropped feature, but
+ * this is okay, reader will skip the mising entries
+ */
err = do_write(fd, feat_sec, sec_size);
if (err < 0)
pr_debug("failed to write feature section\n");
}
int perf_header__process_sections(struct perf_header *header, int fd,
+ void *data,
int (*process)(struct perf_file_section *section,
- struct perf_header *ph,
- int feat, int fd))
+ struct perf_header *ph,
+ int feat, int fd, void *data))
{
struct perf_file_section *feat_sec;
int nr_sections;
if (perf_header__has_feat(header, feat)) {
struct perf_file_section *sec = &feat_sec[idx++];
- err = process(sec, header, feat, fd);
+ err = process(sec, header, feat, fd, data);
if (err < 0)
break;
}
static int perf_file_section__process(struct perf_file_section *section,
struct perf_header *ph,
- int feat, int fd)
+ int feat, int fd, void *data __used)
{
if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {
pr_debug("Failed to lseek to %" PRIu64 " offset for feature "
event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type);
}
- perf_header__process_sections(header, fd, perf_file_section__process);
+ perf_header__process_sections(header, fd, NULL,
+ perf_file_section__process);
lseek(fd, header->data_offset, SEEK_SET);
enum {
HEADER_TRACE_INFO = 1,
HEADER_BUILD_ID,
+
+ HEADER_HOSTNAME,
+ HEADER_OSRELEASE,
+ HEADER_VERSION,
+ HEADER_ARCH,
+ HEADER_NRCPUS,
+ HEADER_CPUDESC,
+ HEADER_CPUID,
+ HEADER_TOTAL_MEM,
+ HEADER_CMDLINE,
+ HEADER_EVENT_DESC,
+ HEADER_CPU_TOPOLOGY,
+ HEADER_NUMA_TOPOLOGY,
+
HEADER_LAST_FEATURE,
};
void perf_header__clear_feat(struct perf_header *header, int feat);
bool perf_header__has_feat(const struct perf_header *header, int feat);
+int perf_header__set_cmdline(int argc, const char **argv);
+
int perf_header__process_sections(struct perf_header *header, int fd,
+ void *data,
int (*process)(struct perf_file_section *section,
- struct perf_header *ph,
- int feat, int fd));
+ struct perf_header *ph,
+ int feat, int fd, void *data));
+
+int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms);
struct perf_session *session);
int perf_event__process_build_id(union perf_event *event,
struct perf_session *session);
+
+/*
+ * arch specific callback
+ */
+int get_cpuid(char *buffer, size_t sz);
+
#endif /* __PERF_HEADER_H */
.order = ORDER_CALLEE
};
-u16 hists__col_len(struct hists *self, enum hist_column col)
+u16 hists__col_len(struct hists *hists, enum hist_column col)
{
- return self->col_len[col];
+ return hists->col_len[col];
}
-void hists__set_col_len(struct hists *self, enum hist_column col, u16 len)
+void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
{
- self->col_len[col] = len;
+ hists->col_len[col] = len;
}
-bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len)
+bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
{
- if (len > hists__col_len(self, col)) {
- hists__set_col_len(self, col, len);
+ if (len > hists__col_len(hists, col)) {
+ hists__set_col_len(hists, col, len);
return true;
}
return false;
}
-static void hists__reset_col_len(struct hists *self)
+static void hists__reset_col_len(struct hists *hists)
{
enum hist_column col;
for (col = 0; col < HISTC_NR_COLS; ++col)
- hists__set_col_len(self, col, 0);
+ hists__set_col_len(hists, col, 0);
}
-static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
+static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
{
u16 len;
if (h->ms.sym)
- hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
+ hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen);
else {
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
- if (hists__col_len(self, HISTC_DSO) < unresolved_col_width &&
+ if (hists__col_len(hists, HISTC_DSO) < unresolved_col_width &&
!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
!symbol_conf.dso_list)
- hists__set_col_len(self, HISTC_DSO,
+ hists__set_col_len(hists, HISTC_DSO,
unresolved_col_width);
}
len = thread__comm_len(h->thread);
- if (hists__new_col_len(self, HISTC_COMM, len))
- hists__set_col_len(self, HISTC_THREAD, len + 6);
+ if (hists__new_col_len(hists, HISTC_COMM, len))
+ hists__set_col_len(hists, HISTC_THREAD, len + 6);
if (h->ms.map) {
len = dso__name_len(h->ms.map->dso);
- hists__new_col_len(self, HISTC_DSO, len);
+ hists__new_col_len(hists, HISTC_DSO, len);
}
}
}
}
+static void hist_entry__decay(struct hist_entry *he)
+{
+ he->period = (he->period * 7) / 8;
+ he->nr_events = (he->nr_events * 7) / 8;
+}
+
+static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
+{
+ hists->stats.total_period -= he->period;
+ hist_entry__decay(he);
+ hists->stats.total_period += he->period;
+ return he->period == 0;
+}
+
+void hists__decay_entries(struct hists *hists)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+
+ while (next) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ next = rb_next(&n->rb_node);
+
+ if (hists__decay_entry(hists, n)) {
+ rb_erase(&n->rb_node, &hists->entries);
+
+ if (sort__need_collapse)
+ rb_erase(&n->rb_node_in, &hists->entries_collapsed);
+
+ hist_entry__free(n);
+ --hists->nr_entries;
+ }
+ }
+}
+
/*
* histogram, sorted on item, collects periods
*/
return self;
}
-static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h)
+static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
{
if (!h->filtered) {
- hists__calc_col_len(self, h);
- ++self->nr_entries;
+ hists__calc_col_len(hists, h);
+ ++hists->nr_entries;
+ hists->stats.total_period += h->period;
}
}
return 0;
}
-struct hist_entry *__hists__add_entry(struct hists *self,
+struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *sym_parent, u64 period)
{
- struct rb_node **p = &self->entries.rb_node;
+ struct rb_node **p;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
};
int cmp;
+ pthread_mutex_lock(&hists->lock);
+
+ p = &hists->entries_in->rb_node;
+
while (*p != NULL) {
parent = *p;
- he = rb_entry(parent, struct hist_entry, rb_node);
+ he = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__cmp(&entry, he);
he = hist_entry__new(&entry);
if (!he)
- return NULL;
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &self->entries);
- hists__inc_nr_entries(self, he);
+ goto out_unlock;
+
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, hists->entries_in);
out:
hist_entry__add_cpumode_period(he, al->cpumode, period);
+out_unlock:
+ pthread_mutex_unlock(&hists->lock);
return he;
}
* collapse the histogram
*/
-static bool hists__collapse_insert_entry(struct hists *self,
+static bool hists__collapse_insert_entry(struct hists *hists,
struct rb_root *root,
struct hist_entry *he)
{
while (*p != NULL) {
parent = *p;
- iter = rb_entry(parent, struct hist_entry, rb_node);
+ iter = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->period += he->period;
+ iter->nr_events += he->nr_events;
if (symbol_conf.use_callchain) {
- callchain_cursor_reset(&self->callchain_cursor);
- callchain_merge(&self->callchain_cursor, iter->callchain,
+ callchain_cursor_reset(&hists->callchain_cursor);
+ callchain_merge(&hists->callchain_cursor, iter->callchain,
he->callchain);
}
hist_entry__free(he);
p = &(*p)->rb_right;
}
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, root);
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, root);
return true;
}
-void hists__collapse_resort(struct hists *self)
+static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
+{
+ struct rb_root *root;
+
+ pthread_mutex_lock(&hists->lock);
+
+ root = hists->entries_in;
+ if (++hists->entries_in > &hists->entries_in_array[1])
+ hists->entries_in = &hists->entries_in_array[0];
+
+ pthread_mutex_unlock(&hists->lock);
+
+ return root;
+}
+
+static void __hists__collapse_resort(struct hists *hists, bool threaded)
{
- struct rb_root tmp;
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
- if (!sort__need_collapse)
+ if (!sort__need_collapse && !threaded)
return;
- tmp = RB_ROOT;
- next = rb_first(&self->entries);
- self->nr_entries = 0;
- hists__reset_col_len(self);
+ root = hists__get_rotate_entries_in(hists);
+ next = rb_first(root);
+ hists->stats.total_period = 0;
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
- rb_erase(&n->rb_node, &self->entries);
- if (hists__collapse_insert_entry(self, &tmp, n))
- hists__inc_nr_entries(self, n);
+ rb_erase(&n->rb_node_in, root);
+ if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n))
+ hists__inc_nr_entries(hists, n);
}
+}
- self->entries = tmp;
+void hists__collapse_resort(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, false);
+}
+
+void hists__collapse_resort_threaded(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, true);
}
/*
rb_insert_color(&he->rb_node, entries);
}
-void hists__output_resort(struct hists *self)
+static void __hists__output_resort(struct hists *hists, bool threaded)
{
- struct rb_root tmp;
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
- min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100);
+ min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
+
+ if (sort__need_collapse || threaded)
+ root = &hists->entries_collapsed;
+ else
+ root = hists->entries_in;
- tmp = RB_ROOT;
- next = rb_first(&self->entries);
+ next = rb_first(root);
+ hists->entries = RB_ROOT;
- self->nr_entries = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = 0;
+ hists__reset_col_len(hists);
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
- rb_erase(&n->rb_node, &self->entries);
- __hists__insert_output_entry(&tmp, n, min_callchain_hits);
- hists__inc_nr_entries(self, n);
+ __hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
+ hists__inc_nr_entries(hists, n);
}
+}
+
+void hists__output_resort(struct hists *hists)
+{
+ return __hists__output_resort(hists, false);
+}
- self->entries = tmp;
+void hists__output_resort_threaded(struct hists *hists)
+{
+ return __hists__output_resort(hists, true);
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
return ret;
}
+void hists__output_recalc_col_len(struct hists *hists, int max_rows)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+ int row = 0;
+
+ hists__reset_col_len(hists);
+
+ while (next && row++ < max_rows) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ hists__calc_col_len(hists, n);
+ next = rb_next(&n->rb_node);
+ }
+}
+
int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
struct hists *hists, struct hists *pair_hists,
bool show_displacement, long displacement,
ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
}
+ if (symbol_conf.show_total_period) {
+ if (sep)
+ ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
+ else
+ ret += snprintf(s + ret, size - ret, " %12" PRIu64, period);
+ }
+
if (pair_hists) {
char bf[32];
double old_percent = 0, new_percent = 0, diff;
return ret;
}
-int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
+int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
long displacement, FILE *fp, u64 session_total)
{
char bf[512];
- hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists,
+
+ if (size == 0 || size > sizeof(bf))
+ size = sizeof(bf);
+
+ hist_entry__snprintf(he, bf, size, hists, pair_hists,
show_displacement, displacement,
true, session_total);
return fprintf(fp, "%s\n", bf);
left_margin);
}
-size_t hists__fprintf(struct hists *self, struct hists *pair,
- bool show_displacement, FILE *fp)
+size_t hists__fprintf(struct hists *hists, struct hists *pair,
+ bool show_displacement, bool show_header, int max_rows,
+ int max_cols, FILE *fp)
{
struct sort_entry *se;
struct rb_node *nd;
unsigned int width;
const char *sep = symbol_conf.field_sep;
const char *col_width = symbol_conf.col_width_list_str;
+ int nr_rows = 0;
init_rem_hits();
+ if (!show_header)
+ goto print_entries;
+
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
if (symbol_conf.show_nr_samples) {
fputs(" Samples ", fp);
}
+ if (symbol_conf.show_total_period) {
+ if (sep)
+ ret += fprintf(fp, "%cPeriod", *sep);
+ else
+ ret += fprintf(fp, " Period ");
+ }
+
if (symbol_conf.show_cpu_utilization) {
if (sep) {
ret += fprintf(fp, "%csys", *sep);
width = strlen(se->se_header);
if (symbol_conf.col_width_list_str) {
if (col_width) {
- hists__set_col_len(self, se->se_width_idx,
+ hists__set_col_len(hists, se->se_width_idx,
atoi(col_width));
col_width = strchr(col_width, ',');
if (col_width)
++col_width;
}
}
- if (!hists__new_col_len(self, se->se_width_idx, width))
- width = hists__col_len(self, se->se_width_idx);
+ if (!hists__new_col_len(hists, se->se_width_idx, width))
+ width = hists__col_len(hists, se->se_width_idx);
fprintf(fp, " %*s", width, se->se_header);
}
+
fprintf(fp, "\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
if (sep)
goto print_entries;
fprintf(fp, "# ........");
if (symbol_conf.show_nr_samples)
fprintf(fp, " ..........");
+ if (symbol_conf.show_total_period)
+ fprintf(fp, " ............");
if (pair) {
fprintf(fp, " ..........");
if (show_displacement)
continue;
fprintf(fp, " ");
- width = hists__col_len(self, se->se_width_idx);
+ width = hists__col_len(hists, se->se_width_idx);
if (width == 0)
width = strlen(se->se_header);
for (i = 0; i < width; i++)
fprintf(fp, ".");
}
- fprintf(fp, "\n#\n");
+ fprintf(fp, "\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
+
+ fprintf(fp, "#\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
print_entries:
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (h->filtered)
displacement = 0;
++position;
}
- ret += hist_entry__fprintf(h, self, pair, show_displacement,
- displacement, fp, self->stats.total_period);
+ ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
+ displacement, fp, hists->stats.total_period);
if (symbol_conf.use_callchain)
- ret += hist_entry__fprintf_callchain(h, self, fp,
- self->stats.total_period);
+ ret += hist_entry__fprintf_callchain(h, hists, fp,
+ hists->stats.total_period);
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
+
if (h->ms.map == NULL && verbose > 1) {
__map_groups__fprintf_maps(&h->thread->mg,
MAP__FUNCTION, verbose, fp);
fprintf(fp, "%.10s end\n", graph_dotted_line);
}
}
-
+out:
free(rem_sq_bracket);
return ret;
/*
* See hists__fprintf to match the column widths
*/
-unsigned int hists__sort_list_width(struct hists *self)
+unsigned int hists__sort_list_width(struct hists *hists)
{
struct sort_entry *se;
int ret = 9; /* total % */
if (symbol_conf.show_nr_samples)
ret += 11;
+ if (symbol_conf.show_total_period)
+ ret += 13;
+
list_for_each_entry(se, &hist_entry__sort_list, list)
if (!se->elide)
- ret += 2 + hists__col_len(self, se->se_width_idx);
+ ret += 2 + hists__col_len(hists, se->se_width_idx);
if (verbose) /* Addr + origin */
ret += 3 + BITS_PER_LONG / 4;
return ret;
}
-static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
+static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
enum hist_filter filter)
{
h->filtered &= ~(1 << filter);
if (h->filtered)
return;
- ++self->nr_entries;
+ ++hists->nr_entries;
if (h->ms.unfolded)
- self->nr_entries += h->nr_rows;
+ hists->nr_entries += h->nr_rows;
h->row_offset = 0;
- self->stats.total_period += h->period;
- self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
+ hists->stats.total_period += h->period;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
- hists__calc_col_len(self, h);
+ hists__calc_col_len(hists, h);
}
-void hists__filter_by_dso(struct hists *self, const struct dso *dso)
+void hists__filter_by_dso(struct hists *hists, const struct dso *dso)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total_period = 0;
- self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = hists->stats.total_period = 0;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
+ hists__reset_col_len(hists);
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (symbol_conf.exclude_other && !h->parent)
continue;
}
- hists__remove_entry_filter(self, h, HIST_FILTER__DSO);
+ hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
}
}
-void hists__filter_by_thread(struct hists *self, const struct thread *thread)
+void hists__filter_by_thread(struct hists *hists, const struct thread *thread)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total_period = 0;
- self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = hists->stats.total_period = 0;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
+ hists__reset_col_len(hists);
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (thread != NULL && h->thread != thread) {
continue;
}
- hists__remove_entry_filter(self, h, HIST_FILTER__THREAD);
+ hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
}
}
return symbol__annotate(he->ms.sym, he->ms.map, privsize);
}
-void hists__inc_nr_events(struct hists *self, u32 type)
+void hists__inc_nr_events(struct hists *hists, u32 type)
{
- ++self->stats.nr_events[0];
- ++self->stats.nr_events[type];
+ ++hists->stats.nr_events[0];
+ ++hists->stats.nr_events[type];
}
-size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
+size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
{
int i;
size_t ret = 0;
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
const char *name;
- if (self->stats.nr_events[i] == 0)
+ if (hists->stats.nr_events[i] == 0)
continue;
name = perf_event__name(i);
continue;
ret += fprintf(fp, "%16s events: %10d\n", name,
- self->stats.nr_events[i]);
+ hists->stats.nr_events[i]);
}
return ret;
}
+
+void hists__init(struct hists *hists)
+{
+ memset(hists, 0, sizeof(*hists));
+ hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
+ hists->entries_in = &hists->entries_in_array[0];
+ hists->entries_collapsed = RB_ROOT;
+ hists->entries = RB_ROOT;
+ pthread_mutex_init(&hists->lock, NULL);
+}
#define __PERF_HIST_H
#include <linux/types.h>
+#include <pthread.h>
#include "callchain.h"
extern struct callchain_param callchain_param;
};
struct hists {
+ struct rb_root entries_in_array[2];
+ struct rb_root *entries_in;
struct rb_root entries;
+ struct rb_root entries_collapsed;
u64 nr_entries;
+ pthread_mutex_t lock;
struct events_stats stats;
u64 event_stream;
u16 col_len[HISTC_NR_COLS];
struct callchain_cursor callchain_cursor;
};
+void hists__init(struct hists *hists);
+
struct hist_entry *__hists__add_entry(struct hists *self,
struct addr_location *al,
struct symbol *parent, u64 period);
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
-int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
+int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
- long displacement, FILE *fp, u64 total);
+ long displacement, FILE *fp, u64 session_total);
int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
struct hists *hists, struct hists *pair_hists,
bool show_displacement, long displacement,
void hist_entry__free(struct hist_entry *);
void hists__output_resort(struct hists *self);
+void hists__output_resort_threaded(struct hists *hists);
void hists__collapse_resort(struct hists *self);
+void hists__collapse_resort_threaded(struct hists *hists);
+
+void hists__decay_entries(struct hists *hists);
+void hists__output_recalc_col_len(struct hists *hists, int max_rows);
void hists__inc_nr_events(struct hists *self, u32 type);
size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
size_t hists__fprintf(struct hists *self, struct hists *pair,
- bool show_displacement, FILE *fp);
+ bool show_displacement, bool show_header,
+ int max_rows, int max_cols, FILE *fp);
int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr);
int hist_entry__annotate(struct hist_entry *self, size_t privsize);
#ifdef NO_NEWT_SUPPORT
static inline
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used,
- const char *help __used)
+ const char *help __used, void(*timer)(void *arg) __used, void *arg,
+ int refresh __used)
{
return 0;
}
static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
- int evidx __used)
+ int evidx __used, int nr_events __used,
+ void(*timer)(void *arg) __used,
+ void *arg __used, int delay_secs __used);
{
return 0;
}
#define KEY_RIGHT -2
#else
#include <newt.h>
-int hist_entry__tui_annotate(struct hist_entry *self, int evidx);
+int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
+ void(*timer)(void *arg), void *arg, int delay_secs);
#define KEY_LEFT NEWT_KEY_LEFT
#define KEY_RIGHT NEWT_KEY_RIGHT
-int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help);
+int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
+ void(*timer)(void *arg), void *arg,
+ int refresh);
#endif
unsigned int hists__sort_list_width(struct hists *self);
return 0;
}
+
+void perf_session__fprintf_info(struct perf_session *session, FILE *fp,
+ bool full)
+{
+ struct stat st;
+ int ret;
+
+ if (session == NULL || fp == NULL)
+ return;
+
+ ret = fstat(session->fd, &st);
+ if (ret == -1)
+ return;
+
+ fprintf(fp, "# ========\n");
+ fprintf(fp, "# captured on: %s", ctime(&st.st_ctime));
+ perf_header__fprintf_info(session, fp, full);
+ fprintf(fp, "# ========\n#\n");
+}
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap);
+void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
#endif /* __PERF_SESSION_H */
* @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
*/
struct hist_entry {
+ struct rb_node rb_node_in;
struct rb_node rb_node;
u64 period;
u64 period_sys;
.exclude_other = true,
.use_modules = true,
.try_vmlinux_path = true,
- .annotate_asm_raw = true,
.annotate_src = true,
.symfs = "",
};
use_modules,
sort_by_name,
show_nr_samples,
+ show_total_period,
use_callchain,
exclude_other,
show_cpu_utilization,
#include "top.h"
#include <inttypes.h>
-/*
- * Ordering weight: count-1 * count-2 * ... / count-n
- */
-static double sym_weight(const struct sym_entry *sym, struct perf_top *top)
-{
- double weight = sym->snap_count;
- int counter;
-
- if (!top->display_weighted)
- return weight;
-
- for (counter = 1; counter < top->evlist->nr_entries - 1; counter++)
- weight *= sym->count[counter];
-
- weight /= (sym->count[counter] + 1);
-
- return weight;
-}
-
-static void perf_top__remove_active_sym(struct perf_top *top, struct sym_entry *syme)
-{
- pthread_mutex_lock(&top->active_symbols_lock);
- list_del_init(&syme->node);
- pthread_mutex_unlock(&top->active_symbols_lock);
-}
-
-static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
-{
- struct rb_node **p = &tree->rb_node;
- struct rb_node *parent = NULL;
- struct sym_entry *iter;
-
- while (*p != NULL) {
- parent = *p;
- iter = rb_entry(parent, struct sym_entry, rb_node);
-
- if (se->weight > iter->weight)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&se->rb_node, parent, p);
- rb_insert_color(&se->rb_node, tree);
-}
-
#define SNPRINTF(buf, size, fmt, args...) \
({ \
size_t r = snprintf(buf, size, fmt, ## args); \
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
{
- struct perf_evsel *counter;
float samples_per_sec = top->samples / top->delay_secs;
float ksamples_per_sec = top->kernel_samples / top->delay_secs;
float esamples_percent = (100.0 * top->exact_samples) / top->samples;
esamples_percent);
}
- if (top->evlist->nr_entries == 1 || !top->display_weighted) {
+ if (top->evlist->nr_entries == 1) {
struct perf_evsel *first;
first = list_entry(top->evlist->entries.next, struct perf_evsel, node);
ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
top->freq ? "Hz" : "");
}
- if (!top->display_weighted) {
- ret += SNPRINTF(bf + ret, size - ret, "%s",
- event_name(top->sym_evsel));
- } else {
- /*
- * Don't let events eat all the space. Leaving 30 bytes
- * for the rest should be enough.
- */
- size_t last_pos = size - 30;
-
- list_for_each_entry(counter, &top->evlist->entries, node) {
- ret += SNPRINTF(bf + ret, size - ret, "%s%s",
- counter->idx ? "/" : "",
- event_name(counter));
- if (ret > last_pos) {
- sprintf(bf + last_pos - 3, "..");
- ret = last_pos - 1;
- break;
- }
- }
- }
+ ret += SNPRINTF(bf + ret, size - ret, "%s", event_name(top->sym_evsel));
ret += SNPRINTF(bf + ret, size - ret, "], ");
top->exact_samples = top->guest_kernel_samples =
top->guest_us_samples = 0;
}
-
-float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
-{
- struct sym_entry *syme, *n;
- float sum_ksamples = 0.0;
- int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;
-
- /* Sort the active symbols */
- pthread_mutex_lock(&top->active_symbols_lock);
- syme = list_entry(top->active_symbols.next, struct sym_entry, node);
- pthread_mutex_unlock(&top->active_symbols_lock);
-
- top->rb_entries = 0;
- list_for_each_entry_safe_from(syme, n, &top->active_symbols, node) {
- syme->snap_count = syme->count[snap];
- if (syme->snap_count != 0) {
-
- if ((top->hide_user_symbols &&
- syme->map->dso->kernel == DSO_TYPE_USER) ||
- (top->hide_kernel_symbols &&
- syme->map->dso->kernel == DSO_TYPE_KERNEL)) {
- perf_top__remove_active_sym(top, syme);
- continue;
- }
- syme->weight = sym_weight(syme, top);
-
- if ((int)syme->snap_count >= top->count_filter) {
- rb_insert_active_sym(root, syme);
- ++top->rb_entries;
- }
- sum_ksamples += syme->snap_count;
-
- for (j = 0; j < top->evlist->nr_entries; j++)
- syme->count[j] = top->zero ? 0 : syme->count[j] * 7 / 8;
- } else
- perf_top__remove_active_sym(top, syme);
- }
-
- return sum_ksamples;
-}
-
-/*
- * Find the longest symbol name that will be displayed
- */
-void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
- int *dso_width, int *dso_short_width, int *sym_width)
-{
- struct rb_node *nd;
- int printed = 0;
-
- *sym_width = *dso_width = *dso_short_width = 0;
-
- for (nd = rb_first(root); nd; nd = rb_next(nd)) {
- struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
- struct symbol *sym = sym_entry__symbol(syme);
-
- if (++printed > top->print_entries ||
- (int)syme->snap_count < top->count_filter)
- continue;
-
- if (syme->map->dso->long_name_len > *dso_width)
- *dso_width = syme->map->dso->long_name_len;
-
- if (syme->map->dso->short_name_len > *dso_short_width)
- *dso_short_width = syme->map->dso->short_name_len;
-
- if (sym->namelen > *sym_width)
- *sym_width = sym->namelen;
- }
-}
#include "types.h"
#include "../perf.h"
#include <stddef.h>
-#include <pthread.h>
-#include <linux/list.h>
-#include <linux/rbtree.h>
struct perf_evlist;
struct perf_evsel;
struct perf_session;
-struct sym_entry {
- struct rb_node rb_node;
- struct list_head node;
- unsigned long snap_count;
- double weight;
- struct map *map;
- unsigned long count[0];
-};
-
-static inline struct symbol *sym_entry__symbol(struct sym_entry *self)
-{
- return ((void *)self) + symbol_conf.priv_size;
-}
-
struct perf_top {
struct perf_evlist *evlist;
/*
* Symbols will be added here in perf_event__process_sample and will
* get out after decayed.
*/
- struct list_head active_symbols;
- pthread_mutex_t active_symbols_lock;
- pthread_cond_t active_symbols_cond;
u64 samples;
u64 kernel_samples, us_samples;
u64 exact_samples;
u64 guest_us_samples, guest_kernel_samples;
u64 total_lost_warned;
int print_entries, count_filter, delay_secs;
- int display_weighted, freq, rb_entries;
+ int freq;
pid_t target_pid, target_tid;
bool hide_kernel_symbols, hide_user_symbols, zero;
const char *cpu_list;
- struct sym_entry *sym_filter_entry;
+ struct hist_entry *sym_filter_entry;
struct perf_evsel *sym_evsel;
struct perf_session *session;
};
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
void perf_top__reset_sample_counters(struct perf_top *top);
-float perf_top__decay_samples(struct perf_top *top, struct rb_root *root);
-void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
- int *dso_width, int *dso_short_width, int *sym_width);
-
-#ifdef NO_NEWT_SUPPORT
-static inline int perf_top__tui_browser(struct perf_top *top __used)
-{
- return 0;
-}
-#else
-int perf_top__tui_browser(struct perf_top *top);
-#endif
#endif /* __PERF_TOP_H */
struct ui_browser b;
struct rb_root entries;
struct rb_node *curr_hot;
+ struct objdump_line *selection;
};
struct objdump_line_rb_node {
static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
{
+ struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
bool current_entry = ui_browser__is_current_entry(self, row);
int width = self->width;
if (!current_entry)
ui_browser__set_color(self, HE_COLORSET_CODE);
+ else
+ ab->selection = ol;
}
static double objdump_line__calc_percent(struct objdump_line *self,
static void annotate_browser__calc_percent(struct annotate_browser *browser,
int evidx)
{
- struct symbol *sym = browser->b.priv;
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos;
}
static int annotate_browser__run(struct annotate_browser *self, int evidx,
- int refresh)
+ int nr_events, void(*timer)(void *arg),
+ void *arg, int delay_secs)
{
struct rb_node *nd = NULL;
- struct symbol *sym = self->b.priv;
+ struct map_symbol *ms = self->b.priv;
+ struct symbol *sym = ms->sym;
/*
* RIGHT To allow builtin-annotate to cycle thru multiple symbols by
* examining the exit key for this function.
*/
int exit_keys[] = { 'H', NEWT_KEY_TAB, NEWT_KEY_UNTAB,
- NEWT_KEY_RIGHT, 0 };
+ NEWT_KEY_RIGHT, NEWT_KEY_ENTER, 0 };
int key;
if (ui_browser__show(&self->b, sym->name,
- "<-, -> or ESC: exit, TAB/shift+TAB: "
- "cycle hottest lines, H: Hottest") < 0)
+ "<- or ESC: exit, TAB/shift+TAB: "
+ "cycle hottest lines, H: Hottest, -> Line action") < 0)
return -1;
ui_browser__add_exit_keys(&self->b, exit_keys);
nd = self->curr_hot;
- if (refresh != 0)
- newtFormSetTimer(self->b.form, refresh);
+ if (delay_secs != 0)
+ newtFormSetTimer(self->b.form, delay_secs * 1000);
while (1) {
key = ui_browser__run(&self->b);
- if (refresh != 0) {
+ if (delay_secs != 0) {
annotate_browser__calc_percent(self, evidx);
/*
* Current line focus got out of the list of most active
* FIXME we need to check if it was
* es.reason == NEWT_EXIT_TIMER
*/
- if (refresh != 0)
+ if (timer != NULL)
+ timer(arg);
+
+ if (delay_secs != 0)
symbol__annotate_decay_histogram(sym, evidx);
continue;
case NEWT_KEY_TAB:
case 'H':
nd = self->curr_hot;
break;
+ case NEWT_KEY_ENTER:
+ case NEWT_KEY_RIGHT:
+ if (self->selection == NULL) {
+ ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
+ continue;
+ }
+
+ if (self->selection->offset == -1) {
+ ui_helpline__puts("Actions are only available for assembly lines.");
+ continue;
+ } else {
+ char *s = strstr(self->selection->line, "callq ");
+ struct annotation *notes;
+ struct symbol *target;
+ u64 ip;
+
+ if (s == NULL) {
+ ui_helpline__puts("Actions are only available for the 'callq' instruction.");
+ continue;
+ }
+
+ s = strchr(s, ' ');
+ if (s++ == NULL) {
+ ui_helpline__puts("Invallid callq instruction.");
+ continue;
+ }
+
+ ip = strtoull(s, NULL, 16);
+ ip = ms->map->map_ip(ms->map, ip);
+ target = map__find_symbol(ms->map, ip, NULL);
+ if (target == NULL) {
+ ui_helpline__puts("The called function was not found.");
+ continue;
+ }
+
+ notes = symbol__annotation(target);
+ pthread_mutex_lock(¬es->lock);
+
+ if (notes->src == NULL &&
+ symbol__alloc_hist(target, nr_events) < 0) {
+ pthread_mutex_unlock(¬es->lock);
+ ui__warning("Not enough memory for annotating '%s' symbol!\n",
+ target->name);
+ continue;
+ }
+
+ pthread_mutex_unlock(¬es->lock);
+ symbol__tui_annotate(target, ms->map, evidx, nr_events,
+ timer, arg, delay_secs);
+ }
+ break;
default:
goto out;
}
return key;
}
-int hist_entry__tui_annotate(struct hist_entry *he, int evidx)
+int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
+ void(*timer)(void *arg), void *arg, int delay_secs)
{
- return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, 0);
+ return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
+ timer, arg, delay_secs);
}
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
- int refresh)
+ int nr_events, void(*timer)(void *arg), void *arg,
+ int delay_secs)
{
struct objdump_line *pos, *n;
struct annotation *notes;
+ struct map_symbol ms = {
+ .map = map,
+ .sym = sym,
+ };
struct annotate_browser browser = {
.b = {
.refresh = ui_browser__list_head_refresh,
.seek = ui_browser__list_head_seek,
.write = annotate_browser__write,
- .priv = sym,
+ .priv = &ms,
},
};
int ret;
browser.b.entries = ¬es->src->source,
browser.b.width += 18; /* Percentage */
- ret = annotate_browser__run(&browser, evidx, refresh);
+ ret = annotate_browser__run(&browser, evidx, nr_events,
+ timer, arg, delay_secs);
list_for_each_entry_safe(pos, n, ¬es->src->source, node) {
list_del(&pos->node);
objdump_line__free(pos);
struct hists *hists;
struct hist_entry *he_selection;
struct map_symbol *selection;
+ const struct thread *thread_filter;
+ const struct dso *dso_filter;
+ bool has_symbols;
};
+static int hists__browser_title(struct hists *self, char *bf, size_t size,
+ const char *ev_name, const struct dso *dso,
+ const struct thread *thread);
+
static void hist_browser__refresh_dimensions(struct hist_browser *self)
{
/* 3 == +/- toggle symbol before actual hist_entry rendering */
ui_browser__reset_index(&self->b);
}
-static int hist_browser__run(struct hist_browser *self, const char *title)
+static int hist_browser__run(struct hist_browser *self, const char *ev_name,
+ void(*timer)(void *arg), void *arg, int delay_secs)
{
int key;
- int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
- NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT,
- NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0, };
+ int delay_msecs = delay_secs * 1000;
+ char title[160];
+ int sym_exit_keys[] = { 'a', 'h', 'C', 'd', 'E', 't', 0, };
+ int exit_keys[] = { '?', 'h', 'D', NEWT_KEY_LEFT, NEWT_KEY_RIGHT,
+ NEWT_KEY_TAB, NEWT_KEY_UNTAB, NEWT_KEY_ENTER, 0, };
self->b.entries = &self->hists->entries;
self->b.nr_entries = self->hists->nr_entries;
hist_browser__refresh_dimensions(self);
+ hists__browser_title(self->hists, title, sizeof(title), ev_name,
+ self->dso_filter, self->thread_filter);
if (ui_browser__show(&self->b, title,
"Press '?' for help on key bindings") < 0)
return -1;
+ if (timer != NULL)
+ newtFormSetTimer(self->b.form, delay_msecs);
+
ui_browser__add_exit_keys(&self->b, exit_keys);
+ if (self->has_symbols)
+ ui_browser__add_exit_keys(&self->b, sym_exit_keys);
while (1) {
key = ui_browser__run(&self->b);
switch (key) {
+ case -1:
+ /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
+ timer(arg);
+ /*
+ * The timer may have changed the number of entries.
+ * XXX: Find better way to keep this in synch, probably
+ * removing this timer function altogether and just sync
+ * using the hists->lock...
+ */
+ self->b.nr_entries = self->hists->nr_entries;
+ hists__browser_title(self->hists, title, sizeof(title),
+ ev_name, self->dso_filter,
+ self->thread_filter);
+ ui_browser__show_title(&self->b, title);
+ continue;
case 'D': { /* Debug */
static int seq;
struct hist_entry *h = rb_entry(self->b.top,
self->hists = hists;
self->b.refresh = hist_browser__refresh;
self->b.seek = ui_browser__hists_seek;
+ self->has_symbols = sort_sym.list.next != NULL;
}
return self;
return printed;
}
-static int perf_evsel__hists_browse(struct perf_evsel *evsel,
+static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
const char *helpline, const char *ev_name,
- bool left_exits)
+ bool left_exits,
+ void(*timer)(void *arg), void *arg,
+ int delay_secs)
{
struct hists *self = &evsel->hists;
struct hist_browser *browser = hist_browser__new(self);
struct pstack *fstack;
- const struct thread *thread_filter = NULL;
- const struct dso *dso_filter = NULL;
- char msg[160];
int key = -1;
if (browser == NULL)
ui_helpline__push(helpline);
- hists__browser_title(self, msg, sizeof(msg), ev_name,
- dso_filter, thread_filter);
while (1) {
const struct thread *thread = NULL;
const struct dso *dso = NULL;
annotate = -2, zoom_dso = -2, zoom_thread = -2,
browse_map = -2;
- key = hist_browser__run(browser, msg);
+ key = hist_browser__run(browser, ev_name, timer, arg, delay_secs);
if (browser->he_selection != NULL) {
thread = hist_browser__selected_thread(browser);
case NEWT_KEY_F1:
case 'h':
case '?':
- ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
+ ui__help_window("h/?/F1 Show this window\n"
+ "TAB/UNTAB Switch events\n"
+ "q/CTRL+C Exit browser\n\n"
+ "For symbolic views (--sort has sym):\n\n"
+ "-> Zoom into DSO/Threads & Annotate current symbol\n"
"<- Zoom out\n"
"a Annotate current symbol\n"
- "h/?/F1 Show this window\n"
"C Collapse all callchains\n"
"E Expand all callchains\n"
"d Zoom into current DSO\n"
- "t Zoom into current Thread\n"
- "TAB/UNTAB Switch events\n"
- "q/CTRL+C Exit browser");
+ "t Zoom into current Thread\n");
continue;
case NEWT_KEY_ENTER:
case NEWT_KEY_RIGHT:
continue;
}
top = pstack__pop(fstack);
- if (top == &dso_filter)
+ if (top == &browser->dso_filter)
goto zoom_out_dso;
- if (top == &thread_filter)
+ if (top == &browser->thread_filter)
goto zoom_out_thread;
continue;
}
goto out_free_stack;
}
+ if (!browser->has_symbols)
+ goto add_exit_option;
+
if (browser->selection != NULL &&
browser->selection->sym != NULL &&
!browser->selection->map->dso->annotate_warned &&
if (thread != NULL &&
asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
- (thread_filter ? "out of" : "into"),
+ (browser->thread_filter ? "out of" : "into"),
(thread->comm_set ? thread->comm : ""),
thread->pid) > 0)
zoom_thread = nr_options++;
if (dso != NULL &&
asprintf(&options[nr_options], "Zoom %s %s DSO",
- (dso_filter ? "out of" : "into"),
+ (browser->dso_filter ? "out of" : "into"),
(dso->kernel ? "the Kernel" : dso->short_name)) > 0)
zoom_dso = nr_options++;
browser->selection->map != NULL &&
asprintf(&options[nr_options], "Browse map details") > 0)
browse_map = nr_options++;
-
+add_exit_option:
options[nr_options++] = (char *)"Exit";
choice = ui__popup_menu(nr_options, options);
if (he == NULL)
continue;
- hist_entry__tui_annotate(he, evsel->idx);
+ hist_entry__tui_annotate(he, evsel->idx, nr_events,
+ timer, arg, delay_secs);
} else if (choice == browse_map)
map__browse(browser->selection->map);
else if (choice == zoom_dso) {
zoom_dso:
- if (dso_filter) {
- pstack__remove(fstack, &dso_filter);
+ if (browser->dso_filter) {
+ pstack__remove(fstack, &browser->dso_filter);
zoom_out_dso:
ui_helpline__pop();
- dso_filter = NULL;
+ browser->dso_filter = NULL;
} else {
if (dso == NULL)
continue;
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
- dso_filter = dso;
- pstack__push(fstack, &dso_filter);
+ browser->dso_filter = dso;
+ pstack__push(fstack, &browser->dso_filter);
}
- hists__filter_by_dso(self, dso_filter);
- hists__browser_title(self, msg, sizeof(msg), ev_name,
- dso_filter, thread_filter);
+ hists__filter_by_dso(self, browser->dso_filter);
hist_browser__reset(browser);
} else if (choice == zoom_thread) {
zoom_thread:
- if (thread_filter) {
- pstack__remove(fstack, &thread_filter);
+ if (browser->thread_filter) {
+ pstack__remove(fstack, &browser->thread_filter);
zoom_out_thread:
ui_helpline__pop();
- thread_filter = NULL;
+ browser->thread_filter = NULL;
} else {
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
- thread_filter = thread;
- pstack__push(fstack, &thread_filter);
+ browser->thread_filter = thread;
+ pstack__push(fstack, &browser->thread_filter);
}
- hists__filter_by_thread(self, thread_filter);
- hists__browser_title(self, msg, sizeof(msg), ev_name,
- dso_filter, thread_filter);
+ hists__filter_by_thread(self, browser->thread_filter);
hist_browser__reset(browser);
}
}
menu->selection = evsel;
}
-static int perf_evsel_menu__run(struct perf_evsel_menu *menu, const char *help)
+static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
+ int nr_events, const char *help,
+ void(*timer)(void *arg), void *arg, int delay_secs)
{
int exit_keys[] = { NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
+ int delay_msecs = delay_secs * 1000;
struct perf_evlist *evlist = menu->b.priv;
struct perf_evsel *pos;
const char *ev_name, *title = "Available samples";
"ESC: exit, ENTER|->: Browse histograms") < 0)
return -1;
+ if (timer != NULL)
+ newtFormSetTimer(menu->b.form, delay_msecs);
+
ui_browser__add_exit_keys(&menu->b, exit_keys);
while (1) {
key = ui_browser__run(&menu->b);
switch (key) {
+ case -1:
+ /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
+ timer(arg);
+ continue;
case NEWT_KEY_RIGHT:
case NEWT_KEY_ENTER:
if (!menu->selection)
continue;
pos = menu->selection;
+ perf_evlist__set_selected(evlist, pos);
browse_hists:
ev_name = event_name(pos);
- key = perf_evsel__hists_browse(pos, help, ev_name, true);
+ key = perf_evsel__hists_browse(pos, nr_events, help,
+ ev_name, true, timer,
+ arg, delay_secs);
ui_browser__show_title(&menu->b, title);
break;
case NEWT_KEY_LEFT:
pos = list_entry(evlist->entries.next, struct perf_evsel, node);
else
pos = list_entry(pos->node.next, struct perf_evsel, node);
+ perf_evlist__set_selected(evlist, pos);
goto browse_hists;
case NEWT_KEY_UNTAB:
if (pos->node.prev == &evlist->entries)
pos = list_entry(evlist->entries.prev, struct perf_evsel, node);
else
pos = list_entry(pos->node.prev, struct perf_evsel, node);
+ perf_evlist__set_selected(evlist, pos);
goto browse_hists;
case 'q':
case CTRL('c'):
}
static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
- const char *help)
+ const char *help,
+ void(*timer)(void *arg), void *arg,
+ int delay_secs)
{
struct perf_evsel *pos;
struct perf_evsel_menu menu = {
pos->name = strdup(ev_name);
}
- return perf_evsel_menu__run(&menu, help);
+ return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer,
+ arg, delay_secs);
}
-int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help)
+int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
+ void(*timer)(void *arg), void *arg,
+ int delay_secs)
{
if (evlist->nr_entries == 1) {
struct perf_evsel *first = list_entry(evlist->entries.next,
struct perf_evsel, node);
const char *ev_name = event_name(first);
- return perf_evsel__hists_browse(first, help, ev_name, false);
+ return perf_evsel__hists_browse(first, evlist->nr_entries, help,
+ ev_name, false, timer, arg,
+ delay_secs);
}
- return __perf_evlist__tui_browse_hists(evlist, help);
+ return __perf_evlist__tui_browse_hists(evlist, help,
+ timer, arg, delay_secs);
}
+++ /dev/null
-/*
- * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Parts came from builtin-{top,stat,record}.c, see those files for further
- * copyright notes.
- *
- * Released under the GPL v2. (and only v2, not any later version)
- */
-#include "../browser.h"
-#include "../../annotate.h"
-#include "../helpline.h"
-#include "../libslang.h"
-#include "../util.h"
-#include "../ui.h"
-#include "../../evlist.h"
-#include "../../hist.h"
-#include "../../sort.h"
-#include "../../symbol.h"
-#include "../../session.h"
-#include "../../top.h"
-
-struct perf_top_browser {
- struct ui_browser b;
- struct rb_root root;
- struct sym_entry *selection;
- float sum_ksamples;
- int dso_width;
- int dso_short_width;
- int sym_width;
-};
-
-static void perf_top_browser__write(struct ui_browser *browser, void *entry, int row)
-{
- struct perf_top_browser *top_browser = container_of(browser, struct perf_top_browser, b);
- struct sym_entry *syme = rb_entry(entry, struct sym_entry, rb_node);
- bool current_entry = ui_browser__is_current_entry(browser, row);
- struct symbol *symbol = sym_entry__symbol(syme);
- struct perf_top *top = browser->priv;
- int width = browser->width;
- double pcnt;
-
- pcnt = 100.0 - (100.0 * ((top_browser->sum_ksamples - syme->snap_count) /
- top_browser->sum_ksamples));
- ui_browser__set_percent_color(browser, pcnt, current_entry);
-
- if (top->evlist->nr_entries == 1 || !top->display_weighted) {
- slsmg_printf("%20.2f ", syme->weight);
- width -= 21;
- } else {
- slsmg_printf("%9.1f %10ld ", syme->weight, syme->snap_count);
- width -= 20;
- }
-
- slsmg_printf("%4.1f%%", pcnt);
- width -= 7;
-
- if (verbose) {
- slsmg_printf(" %016" PRIx64, symbol->start);
- width -= 17;
- }
-
- slsmg_printf(" %-*.*s ", top_browser->sym_width, top_browser->sym_width,
- symbol->name);
- width -= top_browser->sym_width;
- slsmg_write_nstring(width >= syme->map->dso->long_name_len ?
- syme->map->dso->long_name :
- syme->map->dso->short_name, width);
-
- if (current_entry)
- top_browser->selection = syme;
-}
-
-static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
-{
- struct perf_top *top = browser->b.priv;
- u64 top_idx = browser->b.top_idx;
-
- browser->root = RB_ROOT;
- browser->b.top = NULL;
- browser->sum_ksamples = perf_top__decay_samples(top, &browser->root);
- /*
- * No active symbols
- */
- if (top->rb_entries == 0)
- return;
-
- perf_top__find_widths(top, &browser->root, &browser->dso_width,
- &browser->dso_short_width,
- &browser->sym_width);
- if (browser->sym_width + browser->dso_width > browser->b.width - 29) {
- browser->dso_width = browser->dso_short_width;
- if (browser->sym_width + browser->dso_width > browser->b.width - 29)
- browser->sym_width = browser->b.width - browser->dso_width - 29;
- }
-
- /*
- * Adjust the ui_browser indexes since the entries in the browser->root
- * rb_tree may have changed, then seek it from start, so that we get a
- * possible new top of the screen.
- */
- browser->b.nr_entries = top->rb_entries;
-
- if (top_idx >= browser->b.nr_entries) {
- if (browser->b.height >= browser->b.nr_entries)
- top_idx = browser->b.nr_entries - browser->b.height;
- else
- top_idx = 0;
- }
-
- if (browser->b.index >= top_idx + browser->b.height)
- browser->b.index = top_idx + browser->b.index - browser->b.top_idx;
-
- if (browser->b.index >= browser->b.nr_entries)
- browser->b.index = browser->b.nr_entries - 1;
-
- browser->b.top_idx = top_idx;
- browser->b.seek(&browser->b, top_idx, SEEK_SET);
-}
-
-static void perf_top_browser__annotate(struct perf_top_browser *browser)
-{
- struct sym_entry *syme = browser->selection;
- struct symbol *sym = sym_entry__symbol(syme);
- struct annotation *notes = symbol__annotation(sym);
- struct perf_top *top = browser->b.priv;
-
- if (notes->src != NULL)
- goto do_annotation;
-
- pthread_mutex_lock(¬es->lock);
-
- top->sym_filter_entry = NULL;
-
- if (symbol__alloc_hist(sym, top->evlist->nr_entries) < 0) {
- pr_err("Not enough memory for annotating '%s' symbol!\n",
- sym->name);
- pthread_mutex_unlock(¬es->lock);
- return;
- }
-
- top->sym_filter_entry = syme;
-
- pthread_mutex_unlock(¬es->lock);
-do_annotation:
- symbol__tui_annotate(sym, syme->map, 0, top->delay_secs * 1000);
-}
-
-static void perf_top_browser__warn_lost(struct perf_top_browser *browser)
-{
- struct perf_top *top = browser->b.priv;
- char msg[128];
- int len;
-
- top->total_lost_warned = top->session->hists.stats.total_lost;
- pthread_mutex_lock(&ui__lock);
- ui_browser__set_color(&browser->b, HE_COLORSET_TOP);
- len = snprintf(msg, sizeof(msg),
- " WARNING: LOST %" PRIu64 " events, Check IO/CPU overload",
- top->total_lost_warned);
- if (len > browser->b.width)
- len = browser->b.width;
- SLsmg_gotorc(0, browser->b.width - len);
- slsmg_write_nstring(msg, len);
- pthread_mutex_unlock(&ui__lock);
-}
-
-static int perf_top_browser__run(struct perf_top_browser *browser)
-{
- int key;
- char title[160];
- struct perf_top *top = browser->b.priv;
- int delay_msecs = top->delay_secs * 1000;
- int exit_keys[] = { 'a', NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
-
- perf_top_browser__update_rb_tree(browser);
- perf_top__header_snprintf(top, title, sizeof(title));
- perf_top__reset_sample_counters(top);
-
- if (ui_browser__show(&browser->b, title,
- "ESC: exit, ENTER|->|a: Live Annotate") < 0)
- return -1;
-
- newtFormSetTimer(browser->b.form, delay_msecs);
- ui_browser__add_exit_keys(&browser->b, exit_keys);
-
- while (1) {
- key = ui_browser__run(&browser->b);
-
- switch (key) {
- case -1:
- /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
- perf_top_browser__update_rb_tree(browser);
- perf_top__header_snprintf(top, title, sizeof(title));
- perf_top__reset_sample_counters(top);
- ui_browser__set_color(&browser->b, NEWT_COLORSET_ROOT);
- SLsmg_gotorc(0, 0);
- slsmg_write_nstring(title, browser->b.width);
-
- if (top->total_lost_warned != top->session->hists.stats.total_lost)
- perf_top_browser__warn_lost(browser);
- break;
- case 'a':
- case NEWT_KEY_RIGHT:
- case NEWT_KEY_ENTER:
- if (browser->selection)
- perf_top_browser__annotate(browser);
- break;
- case NEWT_KEY_LEFT:
- continue;
- case NEWT_KEY_ESCAPE:
- if (!ui__dialog_yesno("Do you really want to exit?"))
- continue;
- /* Fall thru */
- default:
- goto out;
- }
- }
-out:
- ui_browser__hide(&browser->b);
- return key;
-}
-
-int perf_top__tui_browser(struct perf_top *top)
-{
- struct perf_top_browser browser = {
- .b = {
- .entries = &browser.root,
- .refresh = ui_browser__rb_tree_refresh,
- .seek = ui_browser__rb_tree_seek,
- .write = perf_top_browser__write,
- .priv = top,
- },
- };
-
- return perf_top_browser__run(&browser);
-}
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff