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 #define PRINT_IP_OPT_IP         (1<<0)
  45 #define PRINT_IP_OPT_SYM                (1<<1)
  46 #define PRINT_IP_OPT_DSO                (1<<2)
  47 #define PRINT_IP_OPT_SYMOFFSET  (1<<3)
  48 #define PRINT_IP_OPT_ONELINE    (1<<4)
  49
  50 struct perf_tool;
  51
  52 struct perf_session *perf_session__new(const char *filename, int mode,
  53                                        bool force, bool repipe,
  54                                        struct perf_tool *tool);
  55 void perf_session__delete(struct perf_session *session);
  56
  57 void perf_event_header__bswap(struct perf_event_header *self);
  58
  59 int __perf_session__process_events(struct perf_session *self,
  60                                    u64 data_offset, u64 data_size, u64 size,
  61                                    struct perf_tool *tool);
  62 int perf_session__process_events(struct perf_session *self,
  63                                  struct perf_tool *tool);
  64
  65 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
  66                              struct perf_sample *sample, u64 file_offset);
  67
  68 void perf_tool__fill_defaults(struct perf_tool *tool);
  69
  70 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
  71                                     struct thread *thread,
  72                                     struct ip_callchain *chain,
  73                                     struct symbol **parent);
  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
  85 static inline
  86 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
  87 {
  88         return machines__find(&self->machines, pid);
  89 }
  90
  91 static inline
  92 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
  93 {
  94         return machines__findnew(&self->machines, pid);
  95 }
  96
  97 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
  98 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
  99
 100 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
 101
 102 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
 103                                           bool (fn)(struct dso *dso, int parm), int parm);
 104
 105 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 106
 107 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 108                                             unsigned int type);
 109
 110 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
 111                           struct perf_sample *sample, struct machine *machine,
 112                           unsigned int print_opts, unsigned int stack_depth);
 113
 114 int perf_session__cpu_bitmap(struct perf_session *session,
 115                              const char *cpu_list, unsigned long *cpu_bitmap);
 116
 117 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 118
 119 struct perf_evsel_str_handler;
 120
 121 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 122                                              const struct perf_evsel_str_handler *assocs,
 123                                              size_t nr_assocs);
 124
 125 #define perf_session__set_tracepoints_handlers(session, array) \
 126         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 127
 128 extern volatile int session_done;
 129
 130 #define session_done()  (*(volatile int *)(&session_done))
 131 #endif /* __PERF_SESSION_H */