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 "data.h"
  11 #include <linux/rbtree.h>
  12 #include <linux/perf_event.h>
  13
  14 struct sample_queue;
  15 struct ip_callchain;
  16 struct thread;
  17
  18 struct ordered_samples {
  19         u64                     last_flush;
  20         u64                     next_flush;
  21         u64                     max_timestamp;
  22         struct list_head        samples;
  23         struct list_head        sample_cache;
  24         struct list_head        to_free;
  25         struct sample_queue     *sample_buffer;
  26         struct sample_queue     *last_sample;
  27         int                     sample_buffer_idx;
  28         unsigned int            nr_samples;
  29 };
  30
  31 struct perf_session {
  32         struct perf_header      header;
  33         struct machines         machines;
  34         struct perf_evlist      *evlist;
  35         struct pevent           *pevent;
  36         struct events_stats     stats;
  37         bool                    repipe;
  38         struct ordered_samples  ordered_samples;
  39         struct perf_data_file   *file;
  40 };
  41
  42 #define PRINT_IP_OPT_IP         (1<<0)
  43 #define PRINT_IP_OPT_SYM                (1<<1)
  44 #define PRINT_IP_OPT_DSO                (1<<2)
  45 #define PRINT_IP_OPT_SYMOFFSET  (1<<3)
  46 #define PRINT_IP_OPT_ONELINE    (1<<4)
  47
  48 struct perf_tool;
  49
  50 struct perf_session *perf_session__new(struct perf_data_file *file,
  51                                        bool repipe, struct perf_tool *tool);
  52 void perf_session__delete(struct perf_session *session);
  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_queue_event(struct perf_session *s, union perf_event *event,
  63                              struct perf_sample *sample, u64 file_offset);
  64
  65 void perf_tool__fill_defaults(struct perf_tool *tool);
  66
  67 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
  68                                     struct thread *thread,
  69                                     struct ip_callchain *chain,
  70                                     struct symbol **parent);
  71
  72 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  73
  74 void mem_bswap_64(void *src, int byte_size);
  75 void mem_bswap_32(void *src, int byte_size);
  76 void perf_event__attr_swap(struct perf_event_attr *attr);
  77
  78 int perf_session__create_kernel_maps(struct perf_session *self);
  79
  80 void perf_session__set_id_hdr_size(struct perf_session *session);
  81
  82 static inline
  83 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
  84 {
  85         return machines__find(&self->machines, pid);
  86 }
  87
  88 static inline
  89 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
  90 {
  91         return machines__findnew(&self->machines, pid);
  92 }
  93
  94 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
  95 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
  96
  97 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
  98
  99 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
 100                                           bool (fn)(struct dso *dso, int parm), int parm);
 101
 102 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 103
 104 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 105                                             unsigned int type);
 106
 107 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
 108                           struct perf_sample *sample, struct machine *machine,
 109                           unsigned int print_opts, unsigned int stack_depth);
 110
 111 int perf_session__cpu_bitmap(struct perf_session *session,
 112                              const char *cpu_list, unsigned long *cpu_bitmap);
 113
 114 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 115
 116 struct perf_evsel_str_handler;
 117
 118 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 119                                              const struct perf_evsel_str_handler *assocs,
 120                                              size_t nr_assocs);
 121
 122 #define perf_session__set_tracepoints_handlers(session, array) \
 123         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 124
 125 extern volatile int session_done;
 126
 127 #define session_done()  (*(volatile int *)(&session_done))
 128 #endif /* __PERF_SESSION_H */