LXR linux/tools/perf/util/session.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __PERF_SESSION_H
   3#define __PERF_SESSION_H
   4
   5#include "trace-event.h"
   6#include "event.h"
   7#include "header.h"
   8#include "machine.h"
   9#include "data.h"
  10#include "ordered-events.h"
  11#include <linux/kernel.h>
  12#include <linux/rbtree.h>
  13#include <linux/perf_event.h>
  14
  15struct ip_callchain;
  16struct symbol;
  17struct thread;
  18
  19struct auxtrace;
  20struct itrace_synth_opts;
  21
  22struct perf_session {
  23        struct perf_header      header;
  24        struct machines         machines;
  25        struct perf_evlist      *evlist;
  26        struct auxtrace         *auxtrace;
  27        struct itrace_synth_opts *itrace_synth_opts;
  28        struct list_head        auxtrace_index;
  29        struct trace_event      tevent;
  30        struct time_conv_event  time_conv;
  31        bool                    repipe;
  32        bool                    one_mmap;
  33        void                    *one_mmap_addr;
  34        u64                     one_mmap_offset;
  35        struct ordered_events   ordered_events;
  36        struct perf_data        *data;
  37        struct perf_tool        *tool;
  38};
  39
  40struct perf_tool;
  41
  42struct perf_session *perf_session__new(struct perf_data *data,
  43                                       bool repipe, struct perf_tool *tool);
  44void perf_session__delete(struct perf_session *session);
  45
  46void perf_event_header__bswap(struct perf_event_header *hdr);
  47
  48int perf_session__peek_event(struct perf_session *session, off_t file_offset,
  49                             void *buf, size_t buf_sz,
  50                             union perf_event **event_ptr,
  51                             struct perf_sample *sample);
  52
  53int perf_session__process_events(struct perf_session *session);
  54
  55int perf_session__queue_event(struct perf_session *s, union perf_event *event,
  56                              struct perf_sample *sample, u64 file_offset);
  57
  58void perf_tool__fill_defaults(struct perf_tool *tool);
  59
  60int perf_session__resolve_callchain(struct perf_session *session,
  61                                    struct perf_evsel *evsel,
  62                                    struct thread *thread,
  63                                    struct ip_callchain *chain,
  64                                    struct symbol **parent);
  65
  66bool perf_session__has_traces(struct perf_session *session, const char *msg);
  67
  68void perf_event__attr_swap(struct perf_event_attr *attr);
  69
  70int perf_session__create_kernel_maps(struct perf_session *session);
  71
  72void perf_session__set_id_hdr_size(struct perf_session *session);
  73
  74static inline
  75struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
  76{
  77        return machines__find(&session->machines, pid);
  78}
  79
  80static inline
  81struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
  82{
  83        return machines__findnew(&session->machines, pid);
  84}
  85
  86struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
  87int perf_session__register_idle_thread(struct perf_session *session);
  88
  89size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
  90
  91size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
  92
  93size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
  94                                          bool (fn)(struct dso *dso, int parm), int parm);
  95
  96size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
  97
  98struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
  99                                            unsigned int type);
 100
 101int perf_session__cpu_bitmap(struct perf_session *session,
 102                             const char *cpu_list, unsigned long *cpu_bitmap);
 103
 104void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 105
 106struct perf_evsel_str_handler;
 107
 108int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 109                                             const struct perf_evsel_str_handler *assocs,
 110                                             size_t nr_assocs);
 111
 112#define perf_session__set_tracepoints_handlers(session, array) \
 113        __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 114
 115extern volatile int session_done;
 116
 117#define session_done()  READ_ONCE(session_done)
 118
 119int perf_session__deliver_synth_event(struct perf_session *session,
 120                                      union perf_event *event,
 121                                      struct perf_sample *sample);
 122
 123int perf_event__process_id_index(struct perf_tool *tool,
 124                                 union perf_event *event,
 125                                 struct perf_session *session);
 126
 127int perf_event__synthesize_id_index(struct perf_tool *tool,
 128                                    perf_event__handler_t process,
 129                                    struct perf_evlist *evlist,
 130                                    struct machine *machine);
 131
 132#endif /* __PERF_SESSION_H */
 133