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Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02001#ifndef __PERF_SESSION_H
2#define __PERF_SESSION_H
3
Arnaldo Carvalho de Melo1c02c4d2010-05-10 13:04:11 -03004#include "hist.h"
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -02005#include "event.h"
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02006#include "header.h"
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -02007#include "symbol.h"
Arnaldo Carvalho de Melo4aa65632009-12-13 19:50:29 -02008#include "thread.h"
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -02009#include <linux/rbtree.h>
Arnaldo Carvalho de Melof823e442009-12-14 15:06:01 -020010#include "../../../include/linux/perf_event.h"
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -020011
Frederic Weisbeckerc61e52e2010-04-24 00:04:12 +020012struct sample_queue;
Arnaldo Carvalho de Meloa3286262009-12-14 14:22:59 -020013struct ip_callchain;
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -020014struct thread;
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020015
Frederic Weisbeckerc61e52e2010-04-24 00:04:12 +020016struct ordered_samples {
17 u64 last_flush;
Frederic Weisbeckerd6b17be2010-05-03 15:14:33 +020018 u64 next_flush;
19 u64 max_timestamp;
Thomas Gleixnera1225de2010-11-30 17:49:33 +000020 struct list_head samples;
Thomas Gleixner020bb752010-11-30 17:49:53 +000021 struct list_head sample_cache;
Thomas Gleixner5c891f32010-11-30 17:49:55 +000022 struct list_head to_free;
23 struct sample_queue *sample_buffer;
Thomas Gleixnera1225de2010-11-30 17:49:33 +000024 struct sample_queue *last_sample;
Thomas Gleixner5c891f32010-11-30 17:49:55 +000025 int sample_buffer_idx;
Frederic Weisbeckerc61e52e2010-04-24 00:04:12 +020026};
27
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020028struct perf_session {
29 struct perf_header header;
30 unsigned long size;
Arnaldo Carvalho de Meloec913362009-12-13 19:50:27 -020031 unsigned long mmap_window;
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -020032 struct rb_root threads;
Arnaldo Carvalho de Melo720a3ae2010-06-17 08:37:44 -030033 struct list_head dead_threads;
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -020034 struct thread *last_match;
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -030035 struct machine host_machine;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030036 struct rb_root machines;
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030037 struct perf_evlist *evlist;
Arnaldo Carvalho de Melo1c02c4d2010-05-10 13:04:11 -030038 /*
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030039 * FIXME: Need to split this up further, we need global
40 * stats + per event stats. 'perf diff' also needs
41 * to properly support multiple events in a single
42 * perf.data file.
Arnaldo Carvalho de Melo1c02c4d2010-05-10 13:04:11 -030043 */
44 struct hists hists;
Arnaldo Carvalho de Meloc0198792009-12-14 14:23:00 -020045 u64 sample_type;
Frederic Weisbeckera2854122011-05-21 19:33:04 +020046 int sample_size;
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020047 int fd;
Tom Zanussi8dc58102010-04-01 23:59:15 -050048 bool fd_pipe;
Tom Zanussi454c4072010-05-01 01:41:20 -050049 bool repipe;
Arnaldo Carvalho de Melo9c90a612010-12-02 10:25:28 -020050 bool sample_id_all;
51 u16 id_hdr_size;
Arnaldo Carvalho de Meloec913362009-12-13 19:50:27 -020052 int cwdlen;
53 char *cwd;
Frederic Weisbeckerc61e52e2010-04-24 00:04:12 +020054 struct ordered_samples ordered_samples;
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010055 struct callchain_cursor callchain_cursor;
56 char filename[0];
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020057};
58
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -030059struct perf_evsel;
Frederic Weisbeckerd6b17be2010-05-03 15:14:33 +020060struct perf_event_ops;
61
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -030062typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
63 struct perf_evsel *evsel, struct perf_session *session);
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -020064typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
Arnaldo Carvalho de Melo640c03c2010-12-02 14:10:21 -020065 struct perf_session *session);
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -020066typedef int (*event_synth_op)(union perf_event *self,
67 struct perf_session *session);
68typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
Frederic Weisbeckerd6b17be2010-05-03 15:14:33 +020069 struct perf_event_ops *ops);
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -020070
71struct perf_event_ops {
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -030072 event_sample sample;
73 event_op mmap,
Frederic Weisbeckerd6b17be2010-05-03 15:14:33 +020074 comm,
75 fork,
76 exit,
77 lost,
78 read,
79 throttle,
Arnaldo Carvalho de Melo640c03c2010-12-02 14:10:21 -020080 unthrottle;
81 event_synth_op attr,
Frederic Weisbeckerd6b17be2010-05-03 15:14:33 +020082 event_type,
83 tracing_data,
84 build_id;
85 event_op2 finished_round;
86 bool ordered_samples;
Ian Munsie21ef97f2010-12-10 14:09:16 +110087 bool ordering_requires_timestamps;
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -020088};
89
Ian Munsie21ef97f2010-12-10 14:09:16 +110090struct perf_session *perf_session__new(const char *filename, int mode,
91 bool force, bool repipe,
92 struct perf_event_ops *ops);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020093void perf_session__delete(struct perf_session *self);
94
Arnaldo Carvalho de Meloba215942010-01-14 12:23:10 -020095void perf_event_header__bswap(struct perf_event_header *self);
96
Arnaldo Carvalho de Melo6122e4e2010-02-03 16:52:05 -020097int __perf_session__process_events(struct perf_session *self,
98 u64 data_offset, u64 data_size, u64 size,
99 struct perf_event_ops *ops);
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -0200100int perf_session__process_events(struct perf_session *self,
Arnaldo Carvalho de Meloec913362009-12-13 19:50:27 -0200101 struct perf_event_ops *event_ops);
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -0200102
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +0100103int perf_session__resolve_callchain(struct perf_session *self,
104 struct thread *thread,
105 struct ip_callchain *chain,
106 struct symbol **parent);
Arnaldo Carvalho de Meloa3286262009-12-14 14:22:59 -0200107
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200108bool perf_session__has_traces(struct perf_session *self, const char *msg);
Arnaldo Carvalho de Melo27295592009-12-27 21:37:01 -0200109
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800110int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
Arnaldo Carvalho de Melo56b03f32010-01-05 16:50:31 -0200111 const char *symbol_name,
112 u64 addr);
Arnaldo Carvalho de Melo56b03f32010-01-05 16:50:31 -0200113
Arnaldo Carvalho de Meloba215942010-01-14 12:23:10 -0200114void mem_bswap_64(void *src, int byte_size);
David Aherneda39132011-07-15 12:34:09 -0600115void perf_event__attr_swap(struct perf_event_attr *attr);
Arnaldo Carvalho de Meloba215942010-01-14 12:23:10 -0200116
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800117int perf_session__create_kernel_maps(struct perf_session *self);
Arnaldo Carvalho de Melof9224c52010-03-11 20:12:44 -0300118
Tom Zanussi8dc58102010-04-01 23:59:15 -0500119void perf_session__update_sample_type(struct perf_session *self);
Arnaldo Carvalho de Melo720a3ae2010-06-17 08:37:44 -0300120void perf_session__remove_thread(struct perf_session *self, struct thread *th);
Tom Zanussi8dc58102010-04-01 23:59:15 -0500121
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300122static inline
123struct machine *perf_session__find_host_machine(struct perf_session *self)
124{
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -0300125 return &self->host_machine;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300126}
127
128static inline
129struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
130{
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -0300131 if (pid == HOST_KERNEL_ID)
132 return &self->host_machine;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300133 return machines__find(&self->machines, pid);
134}
135
136static inline
137struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
138{
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -0300139 if (pid == HOST_KERNEL_ID)
140 return &self->host_machine;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300141 return machines__findnew(&self->machines, pid);
142}
143
144static inline
145void perf_session__process_machines(struct perf_session *self,
146 machine__process_t process)
147{
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -0300148 process(&self->host_machine, self);
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300149 return machines__process(&self->machines, process, self);
150}
Arnaldo Carvalho de Melocbf69682010-04-27 21:22:44 -0300151
Arnaldo Carvalho de Melo1f626bc2010-05-09 19:57:08 -0300152size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
Arnaldo Carvalho de Melocbf69682010-04-27 21:22:44 -0300153
Arnaldo Carvalho de Melof8690972010-05-19 13:41:23 -0300154size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
155 FILE *fp, bool with_hits);
Arnaldo Carvalho de Meloc8446b92010-05-14 10:36:42 -0300156
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300157size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
Arnaldo Carvalho de Melod0dd74e2011-01-21 13:46:41 -0200158
159static inline int perf_session__parse_sample(struct perf_session *session,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200160 const union perf_event *event,
Arnaldo Carvalho de Melo8d50e5b2011-01-29 13:02:00 -0200161 struct perf_sample *sample)
Arnaldo Carvalho de Melod0dd74e2011-01-21 13:46:41 -0200162{
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200163 return perf_event__parse_sample(event, session->sample_type,
Frederic Weisbeckera2854122011-05-21 19:33:04 +0200164 session->sample_size,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200165 session->sample_id_all, sample);
Arnaldo Carvalho de Melod0dd74e2011-01-21 13:46:41 -0200166}
167
David Ahern9cbdb702011-04-06 21:54:20 -0600168struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
169 unsigned int type);
170
David Ahern787bef12011-05-27 14:28:43 -0600171void perf_session__print_ip(union perf_event *event,
David Ahernc0230b22011-03-09 22:23:27 -0700172 struct perf_sample *sample,
David Ahern787bef12011-05-27 14:28:43 -0600173 struct perf_session *session,
David Ahern610723f2011-05-27 14:28:44 -0600174 int print_sym, int print_dso);
David Ahernc0230b22011-03-09 22:23:27 -0700175
Anton Blanchard5d67be92011-07-04 21:57:50 +1000176int perf_session__cpu_bitmap(struct perf_session *session,
177 const char *cpu_list, unsigned long *cpu_bitmap);
178
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200179#endif /* __PERF_SESSION_H */