tools/perf/util/session.h

   1 #ifndef __PERF_SESSION_H
   2 #define __PERF_SESSION_H
   3
   4 #include "hist.h"
   5 #include "event.h"
   6 #include "header.h"
   7 #include "machine.h"
   8 #include "symbol.h"
   9 #include "thread.h"
  10 #include <linux/rbtree.h>
  11 #include <linux/perf_event.h>
  12
  13 struct sample_queue;
  14 struct ip_callchain;
  15 struct thread;
  16
  17 struct ordered_samples {
  18         u64                     last_flush;
  19         u64                     next_flush;
  20         u64                     max_timestamp;
  21         struct list_head        samples;
  22         struct list_head        sample_cache;
  23         struct list_head        to_free;
  24         struct sample_queue     *sample_buffer;
  25         struct sample_queue     *last_sample;
  26         int                     sample_buffer_idx;
  27         unsigned int            nr_samples;
  28 };
  29
  30 struct perf_session {
  31         struct perf_header      header;
  32         unsigned long           size;
  33         struct machines         machines;
  34         struct perf_evlist      *evlist;
  35         struct pevent           *pevent;
  36         struct events_stats     stats;
  37         int                     fd;
  38         bool                    fd_pipe;
  39         bool                    repipe;
  40         struct ordered_samples  ordered_samples;
  41         char                    filename[1];
  42 };
  43
  44 struct perf_tool;
  45
  46 struct perf_session *perf_session__new(const char *filename, int mode,
  47                                        bool force, bool repipe,
  48                                        struct perf_tool *tool);
  49 void perf_session__delete(struct perf_session *session);
  50
  51 void perf_event_header__bswap(struct perf_event_header *self);
  52
  53 int __perf_session__process_events(struct perf_session *self,
  54                                    u64 data_offset, u64 data_size, u64 size,
  55                                    struct perf_tool *tool);
  56 int perf_session__process_events(struct perf_session *self,
  57                                  struct perf_tool *tool);
  58
  59 int perf_session__process_event(struct perf_session *session,
  60                                 union perf_event *event,
  61                                 struct perf_tool *tool,
  62                                 u64 file_offset);
  63
  64 void perf_tool__fill_defaults(struct perf_tool *tool);
  65
  66 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
  67                                     struct thread *thread,
  68                                     struct ip_callchain *chain,
  69                                     struct symbol **parent);
  70
  71 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  72
  73 void mem_bswap_64(void *src, int byte_size);
  74 void mem_bswap_32(void *src, int byte_size);
  75 void perf_event__attr_swap(struct perf_event_attr *attr);
  76
  77 int perf_session__create_kernel_maps(struct perf_session *self);
  78
  79 void perf_session__set_id_hdr_size(struct perf_session *session);
  80
  81 static inline
  82 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
  83 {
  84         return machines__find(&self->machines, pid);
  85 }
  86
  87 static inline
  88 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
  89 {
  90         return machines__findnew(&self->machines, pid);
  91 }
  92
  93 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
  94 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
  95
  96 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
  97
  98 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
  99                                           bool (fn)(struct dso *dso, int parm), int parm);
 100
 101 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 102
 103 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 104                                             unsigned int type);
 105
 106 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
 107                           struct perf_sample *sample, struct machine *machine,
 108                           int print_sym, int print_dso, int print_symoffset);
 109
 110 int perf_session__cpu_bitmap(struct perf_session *session,
 111                              const char *cpu_list, unsigned long *cpu_bitmap);
 112
 113 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 114
 115 struct perf_evsel_str_handler;
 116
 117 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 118                                              const struct perf_evsel_str_handler *assocs,
 119                                              size_t nr_assocs);
 120
 121 #define perf_session__set_tracepoints_handlers(session, array) \
 122         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 123 #endif /* __PERF_SESSION_H */