Linux Perf
session.h
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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 
15 struct ip_callchain;
16 struct symbol;
17 struct thread;
18 
19 struct auxtrace;
20 struct itrace_synth_opts;
21 
22 struct perf_session {
26  struct auxtrace *auxtrace;
28  struct list_head auxtrace_index;
31  bool repipe;
32  bool one_mmap;
36  struct perf_data *data;
37  struct perf_tool *tool;
38 };
39 
40 struct perf_tool;
41 
43  bool repipe, struct perf_tool *tool);
45 
46 void perf_event_header__bswap(struct perf_event_header *hdr);
47 
48 int 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 
54 
56  u64 timestamp, u64 file_offset);
57 
59 
61  struct perf_evsel *evsel,
62  struct thread *thread,
63  struct ip_callchain *chain,
64  struct symbol **parent);
65 
66 bool perf_session__has_traces(struct perf_session *session, const char *msg);
67 
68 void perf_event__attr_swap(struct perf_event_attr *attr);
69 
71 
73 
74 static inline
76 {
77  return machines__find(&session->machines, pid);
78 }
79 
80 static inline
82 {
83  return machines__findnew(&session->machines, pid);
84 }
85 
86 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
88 
89 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
90 
91 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
92 
93 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
94  bool (fn)(struct dso *dso, int parm), int parm);
95 
96 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
97 
99  unsigned int type);
100 
101 int perf_session__cpu_bitmap(struct perf_session *session,
102  const char *cpu_list, unsigned long *cpu_bitmap);
103 
104 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
105 
107 
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 
115 extern volatile int session_done;
116 
117 #define session_done() READ_ONCE(session_done)
118 
120  union perf_event *event,
121  struct perf_sample *sample);
122 
124  union perf_event *event,
125  struct perf_session *session);
126 
128  perf_event__handler_t process,
129  struct perf_evlist *evlist,
130  struct machine *machine);
131 
132 #endif /* __PERF_SESSION_H */
int perf_session__resolve_callchain(struct perf_session *session, struct perf_evsel *evsel, struct thread *thread, struct ip_callchain *chain, struct symbol **parent)
struct perf_tool * tool
Definition: session.h:37
struct perf_evlist * evlist
Definition: session.h:25
struct perf_data * data
Definition: session.h:36
size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, bool(fn)(struct dso *dso, int parm), int parm)
int perf_event__process_id_index(struct perf_tool *tool, union perf_event *event, struct perf_session *session)
struct time_conv_event time_conv
Definition: session.h:30
int(* perf_event__handler_t)(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine)
Definition: event.h:664
static struct machine * perf_session__find_machine(struct perf_session *session, pid_t pid)
Definition: session.h:75
size_t perf_session__fprintf(struct perf_session *session, FILE *fp)
Definition: session.c:2030
void perf_event__attr_swap(struct perf_event_attr *attr)
Definition: session.c:597
static struct machine * perf_session__findnew_machine(struct perf_session *session, pid_t pid)
Definition: session.h:81
struct auxtrace * auxtrace
Definition: session.h:26
int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct perf_evlist *evlist, struct machine *machine)
Definition: session.c:2174
struct itrace_synth_opts * itrace_synth_opts
Definition: session.h:27
struct machine * machines__findnew(struct machines *machines, pid_t pid)
Definition: machine.c:303
int perf_session__create_kernel_maps(struct perf_session *session)
Definition: session.c:73
void * one_mmap_addr
Definition: session.h:33
#define session_done()
Definition: session.h:117
struct trace_event tevent
Definition: session.h:29
struct machine * machines__find(struct machines *machines, pid_t pid)
Definition: machine.c:277
int perf_session__peek_event(struct perf_session *session, off_t file_offset, void *buf, size_t buf_sz, union perf_event **event_ptr, struct perf_sample *sample)
Definition: session.c:1437
size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
Definition: session.c:2016
Definition: thread.h:18
Definition: tool.h:44
static struct perf_session * session
Definition: builtin-lock.c:34
bool repipe
Definition: session.h:31
struct thread * perf_session__findnew(struct perf_session *session, pid_t pid)
Definition: session.c:1532
static const char * cpu_list
Definition: dso.h:138
int __perf_session__set_tracepoints_handlers(struct perf_session *session, const struct perf_evsel_str_handler *assocs, size_t nr_assocs)
Definition: session.c:2108
#define event
Definition: data.h:17
void perf_event_header__bswap(struct perf_event_header *hdr)
Definition: session.c:1525
int perf_session__register_idle_thread(struct perf_session *session)
Definition: session.c:1537
void perf_session__delete(struct perf_session *session)
Definition: session.c:187
bool one_mmap
Definition: session.h:32
struct perf_session * perf_session__new(struct perf_data *data, bool repipe, struct perf_tool *tool)
Definition: session.c:116
struct perf_evsel * perf_session__find_first_evtype(struct perf_session *session, unsigned int type)
Definition: session.c:2039
int perf_session__deliver_synth_event(struct perf_session *session, union perf_event *event, struct perf_sample *sample)
Definition: session.c:1413
u32 pid
Definition: hists_common.c:15
u64 one_mmap_offset
Definition: session.h:34
size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp)
Definition: session.c:2005
void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full)
Definition: session.c:2096
struct perf_header header
Definition: session.h:23
void perf_tool__fill_defaults(struct perf_tool *tool)
Definition: session.c:360
int perf_session__queue_event(struct perf_session *s, union perf_event *event, u64 timestamp, u64 file_offset)
Definition: session.c:867
Definition: attr.py:1
Definition: symbol.h:55
int perf_session__process_events(struct perf_session *session)
Definition: session.c:1945
void perf_session__set_id_hdr_size(struct perf_session *session)
Definition: session.c:66
int perf_session__cpu_bitmap(struct perf_session *session, const char *cpu_list, unsigned long *cpu_bitmap)
Definition: session.c:2051
struct machines machines
Definition: session.h:24
bool perf_session__has_traces(struct perf_session *session, const char *msg)
Definition: session.c:1963