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 machine          host_machine;
  34         struct rb_root          machines;
  35         struct perf_evlist      *evlist;
  36         struct pevent           *pevent;
  37         struct events_stats     stats;
  38         int                     fd;
  39         bool                    fd_pipe;
  40         bool                    repipe;
  41         int                     cwdlen;
  42         char                    *cwd;
  43         struct ordered_samples  ordered_samples;
  44         char                    filename[1];
  45 };
  46
  47 struct perf_tool;
  48
  49 struct perf_session *perf_session__new(const char *filename, int mode,
  50                                        bool force, bool repipe,
  51                                        struct perf_tool *tool);
  52 void perf_session__delete(struct perf_session *self);
  53
  54 void perf_event_header__bswap(struct perf_event_header *self);
  55
  56 int __perf_session__process_events(struct perf_session *self,
  57                                    u64 data_offset, u64 data_size, u64 size,
  58                                    struct perf_tool *tool);
  59 int perf_session__process_events(struct perf_session *self,
  60                                  struct perf_tool *tool);
  61
  62 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
  63                                     struct thread *thread,
  64                                     struct ip_callchain *chain,
  65                                     struct symbol **parent);
  66
  67 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  68
  69 void mem_bswap_64(void *src, int byte_size);
  70 void mem_bswap_32(void *src, int byte_size);
  71 void perf_event__attr_swap(struct perf_event_attr *attr);
  72
  73 int perf_session__create_kernel_maps(struct perf_session *self);
  74
  75 void perf_session__set_id_hdr_size(struct perf_session *session);
  76 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
  77
  78 static inline
  79 struct machine *perf_session__find_host_machine(struct perf_session *self)
  80 {
  81         return &self->host_machine;
  82 }
  83
  84 static inline
  85 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
  86 {
  87         if (pid == HOST_KERNEL_ID)
  88                 return &self->host_machine;
  89         return machines__find(&self->machines, pid);
  90 }
  91
  92 static inline
  93 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
  94 {
  95         if (pid == HOST_KERNEL_ID)
  96                 return &self->host_machine;
  97         return machines__findnew(&self->machines, pid);
  98 }
  99
 100 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
 101 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
 102
 103 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
 104
 105 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
 106                                           bool (fn)(struct dso *dso, int parm), int parm);
 107
 108 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 109
 110 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 111                                             unsigned int type);
 112
 113 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
 114                           struct perf_sample *sample, struct machine *machine,
 115                           int print_sym, int print_dso, int print_symoffset);
 116
 117 int perf_session__cpu_bitmap(struct perf_session *session,
 118                              const char *cpu_list, unsigned long *cpu_bitmap);
 119
 120 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 121
 122 struct perf_evsel_str_handler;
 123
 124 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 125                                              const struct perf_evsel_str_handler *assocs,
 126                                              size_t nr_assocs);
 127
 128 #define perf_session__set_tracepoints_handlers(session, array) \
 129         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 130 #endif /* __PERF_SESSION_H */