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 "symbol.h"
   8 #include "thread.h"
   9 #include <linux/rbtree.h>
  10 #include <linux/perf_event.h>
  11
  12 struct sample_queue;
  13 struct ip_callchain;
  14 struct thread;
  15
  16 struct ordered_samples {
  17         u64                     last_flush;
  18         u64                     next_flush;
  19         u64                     max_timestamp;
  20         struct list_head        samples;
  21         struct list_head        sample_cache;
  22         struct list_head        to_free;
  23         struct sample_queue     *sample_buffer;
  24         struct sample_queue     *last_sample;
  25         int                     sample_buffer_idx;
  26         unsigned int            nr_samples;
  27 };
  28
  29 struct perf_session {
  30         struct perf_header      header;
  31         unsigned long           size;
  32         unsigned long           mmap_window;
  33         struct machine          host_machine;
  34         struct rb_root          machines;
  35         struct perf_evlist      *evlist;
  36         struct pevent           *pevent;
  37         /*
  38          * FIXME: Need to split this up further, we need global
  39          *        stats + per event stats.
  40          */
  41         struct hists            hists;
  42         int                     fd;
  43         bool                    fd_pipe;
  44         bool                    repipe;
  45         int                     cwdlen;
  46         char                    *cwd;
  47         struct ordered_samples  ordered_samples;
  48         char                    filename[1];
  49 };
  50
  51 struct perf_tool;
  52
  53 struct perf_session *perf_session__new(const char *filename, int mode,
  54                                        bool force, bool repipe,
  55                                        struct perf_tool *tool);
  56 void perf_session__delete(struct perf_session *self);
  57
  58 void perf_event_header__bswap(struct perf_event_header *self);
  59
  60 int __perf_session__process_events(struct perf_session *self,
  61                                    u64 data_offset, u64 data_size, u64 size,
  62                                    struct perf_tool *tool);
  63 int perf_session__process_events(struct perf_session *self,
  64                                  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 struct branch_info *machine__resolve_bstack(struct machine *self,
  72                                             struct thread *thread,
  73                                             struct branch_stack *bs);
  74
  75 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  76
  77 void mem_bswap_64(void *src, int byte_size);
  78 void mem_bswap_32(void *src, int byte_size);
  79 void perf_event__attr_swap(struct perf_event_attr *attr);
  80
  81 int perf_session__create_kernel_maps(struct perf_session *self);
  82
  83 void perf_session__set_id_hdr_size(struct perf_session *session);
  84 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
  85
  86 static inline
  87 struct machine *perf_session__find_host_machine(struct perf_session *self)
  88 {
  89         return &self->host_machine;
  90 }
  91
  92 static inline
  93 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
  94 {
  95         if (pid == HOST_KERNEL_ID)
  96                 return &self->host_machine;
  97         return machines__find(&self->machines, pid);
  98 }
  99
 100 static inline
 101 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
 102 {
 103         if (pid == HOST_KERNEL_ID)
 104                 return &self->host_machine;
 105         return machines__findnew(&self->machines, pid);
 106 }
 107
 108 static inline
 109 void perf_session__process_machines(struct perf_session *self,
 110                                     struct perf_tool *tool,
 111                                     machine__process_t process)
 112 {
 113         process(&self->host_machine, tool);
 114         return machines__process(&self->machines, process, tool);
 115 }
 116
 117 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
 118 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
 119
 120 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
 121
 122 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
 123                                           FILE *fp, bool with_hits);
 124
 125 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 126
 127 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 128                                             unsigned int type);
 129
 130 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
 131                           struct perf_sample *sample, struct machine *machine,
 132                           int print_sym, int print_dso, int print_symoffset);
 133
 134 int perf_session__cpu_bitmap(struct perf_session *session,
 135                              const char *cpu_list, unsigned long *cpu_bitmap);
 136
 137 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 138
 139 struct perf_evsel_str_handler;
 140
 141 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 142                                              const struct perf_evsel_str_handler *assocs,
 143                                              size_t nr_assocs);
 144
 145 #define perf_session__set_tracepoints_handlers(session, array) \
 146         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 147 #endif /* __PERF_SESSION_H */