tools/perf/util/session.h

   1 #ifndef __PERF_SESSION_H
   2 #define __PERF_SESSION_H
   3
   4 #include "trace-event.h"
   5 #include "hist.h"
   6 #include "event.h"
   7 #include "header.h"
   8 #include "machine.h"
   9 #include "symbol.h"
  10 #include "thread.h"
  11 #include "data.h"
  12 #include <linux/rbtree.h>
  13 #include <linux/perf_event.h>
  14
  15 struct ordered_event;
  16 struct ip_callchain;
  17 struct thread;
  18
  19 struct ordered_events {
  20         u64                     last_flush;
  21         u64                     next_flush;
  22         u64                     max_timestamp;
  23         u64                     max_alloc_size;
  24         u64                     cur_alloc_size;
  25         struct list_head        events;
  26         struct list_head        cache;
  27         struct list_head        to_free;
  28         struct ordered_event    *buffer;
  29         struct ordered_event    *last;
  30         int                     buffer_idx;
  31         unsigned int            nr_events;
  32 };
  33
  34 struct perf_session {
  35         struct perf_header      header;
  36         struct machines         machines;
  37         struct perf_evlist      *evlist;
  38         struct trace_event      tevent;
  39         struct events_stats     stats;
  40         bool                    repipe;
  41         bool                    one_mmap;
  42         void                    *one_mmap_addr;
  43         u64                     one_mmap_offset;
  44         struct ordered_events   ordered_events;
  45         struct perf_data_file   *file;
  46 };
  47
  48 #define PRINT_IP_OPT_IP         (1<<0)
  49 #define PRINT_IP_OPT_SYM                (1<<1)
  50 #define PRINT_IP_OPT_DSO                (1<<2)
  51 #define PRINT_IP_OPT_SYMOFFSET  (1<<3)
  52 #define PRINT_IP_OPT_ONELINE    (1<<4)
  53 #define PRINT_IP_OPT_SRCLINE    (1<<5)
  54
  55 struct perf_tool;
  56
  57 struct perf_session *perf_session__new(struct perf_data_file *file,
  58                                        bool repipe, struct perf_tool *tool);
  59 void perf_session__delete(struct perf_session *session);
  60
  61 void perf_event_header__bswap(struct perf_event_header *hdr);
  62
  63 int __perf_session__process_events(struct perf_session *session,
  64                                    u64 data_offset, u64 data_size, u64 size,
  65                                    struct perf_tool *tool);
  66 int perf_session__process_events(struct perf_session *session,
  67                                  struct perf_tool *tool);
  68
  69 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
  70                              struct perf_tool *tool, struct perf_sample *sample,
  71                              u64 file_offset);
  72
  73 void perf_tool__fill_defaults(struct perf_tool *tool);
  74
  75 int perf_session__resolve_callchain(struct perf_session *session,
  76                                     struct perf_evsel *evsel,
  77                                     struct thread *thread,
  78                                     struct ip_callchain *chain,
  79                                     struct symbol **parent);
  80
  81 bool perf_session__has_traces(struct perf_session *session, const char *msg);
  82
  83 void perf_event__attr_swap(struct perf_event_attr *attr);
  84
  85 int perf_session__create_kernel_maps(struct perf_session *session);
  86
  87 void perf_session__set_id_hdr_size(struct perf_session *session);
  88
  89 static inline
  90 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
  91 {
  92         return machines__find(&session->machines, pid);
  93 }
  94
  95 static inline
  96 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
  97 {
  98         return machines__findnew(&session->machines, pid);
  99 }
 100
 101 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
 102 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
 103
 104 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
 105
 106 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
 107                                           bool (fn)(struct dso *dso, int parm), int parm);
 108
 109 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 110
 111 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 112                                             unsigned int type);
 113
 114 void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
 115                           struct addr_location *al,
 116                           unsigned int print_opts, unsigned int stack_depth);
 117
 118 int perf_session__cpu_bitmap(struct perf_session *session,
 119                              const char *cpu_list, unsigned long *cpu_bitmap);
 120
 121 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 122
 123 struct perf_evsel_str_handler;
 124
 125 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 126                                              const struct perf_evsel_str_handler *assocs,
 127                                              size_t nr_assocs);
 128
 129 #define perf_session__set_tracepoints_handlers(session, array) \
 130         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 131
 132 extern volatile int session_done;
 133
 134 #define session_done()  (*(volatile int *)(&session_done))
 135 #endif /* __PERF_SESSION_H */