perf evsel: Introduce fprintf_callchain() method out of fprintf_sym()

In 'perf trace' we're just interested in printing callchains, and we
don't want to use the symbol_conf.use_callchain, so move the callchain
part to a new method.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-kcn3romzivcpxb3u75s9nz33@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index a0d5c68..63a3cc9 100644 (file)
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2203,8 +2203,8 @@ signed_print:
                               event->header.type);
                        goto out_put;
                }
-               perf_evsel__fprintf_sym(evsel, sample, &al, 38, print_opts,
-                                       scripting_max_stack, trace->output);
+               perf_evsel__fprintf_callchain(evsel, sample, &al, 38, print_opts,
+                                             scripting_max_stack, trace->output);
        }
 out:
        ttrace->entry_pending = false;

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 501ea6e..ab3632c 100644 (file)
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -381,6 +381,12 @@ struct perf_attr_details {
 int perf_evsel__fprintf(struct perf_evsel *evsel,
                        struct perf_attr_details *details, FILE *fp);
 
+int perf_evsel__fprintf_callchain(struct perf_evsel *evsel,
+                                 struct perf_sample *sample,
+                                 struct addr_location *al, int left_alignment,
+                                 unsigned int print_opts,
+                                 unsigned int stack_depth, FILE *fp);
+
 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
                          char *msg, size_t msgsize);
 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0669a08..e384b65 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1953,10 +1953,10 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
        return NULL;
 }
 
-int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample,
-                           struct addr_location *al, int left_alignment,
-                           unsigned int print_opts, unsigned int stack_depth,
-                           FILE *fp)
+int perf_evsel__fprintf_callchain(struct perf_evsel *evsel, struct perf_sample *sample,
+                                 struct addr_location *al, int left_alignment,
+                                 unsigned int print_opts, unsigned int stack_depth,
+                                 FILE *fp)
 {
        int printed = 0;
        struct callchain_cursor_node *node;
@@ -1968,7 +1968,7 @@ int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample
        int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE;
        char s = print_oneline ? ' ' : '\t';
 
-       if (symbol_conf.use_callchain && sample->callchain) {
+       if (sample->callchain) {
                struct addr_location node_al;
 
                if (thread__resolve_callchain(al->thread, evsel,
@@ -2027,7 +2027,26 @@ int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample
 next:
                        callchain_cursor_advance(&callchain_cursor);
                }
+       }
+
+       return printed;
+}
+
+int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample,
+                           struct addr_location *al, int left_alignment,
+                           unsigned int print_opts, unsigned int stack_depth,
+                           FILE *fp)
+{
+       int printed = 0;
+       int print_ip = print_opts & PRINT_IP_OPT_IP;
+       int print_sym = print_opts & PRINT_IP_OPT_SYM;
+       int print_dso = print_opts & PRINT_IP_OPT_DSO;
+       int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET;
+       int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE;
 
+       if (symbol_conf.use_callchain && sample->callchain) {
+               printed += perf_evsel__fprintf_callchain(evsel, sample, al, left_alignment,
+                                                        print_opts, stack_depth, fp);
        } else if (!(al->sym && al->sym->ignore)) {
                printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");