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v5.4
  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 "util/compress.h"
 12#include <linux/kernel.h>
 13#include <linux/rbtree.h>
 14#include <linux/perf_event.h>
 15
 16struct ip_callchain;
 17struct symbol;
 18struct thread;
 19
 20struct auxtrace;
 21struct itrace_synth_opts;
 22
 23struct perf_session {
 24	struct perf_header	header;
 25	struct machines		machines;
 26	struct evlist	*evlist;
 27	struct auxtrace		*auxtrace;
 28	struct itrace_synth_opts *itrace_synth_opts;
 29	struct list_head	auxtrace_index;
 30	struct trace_event	tevent;
 31	struct perf_record_time_conv	time_conv;
 32	bool			repipe;
 33	bool			one_mmap;
 34	void			*one_mmap_addr;
 35	u64			one_mmap_offset;
 36	struct ordered_events	ordered_events;
 37	struct perf_data	*data;
 38	struct perf_tool	*tool;
 39	u64			bytes_transferred;
 40	u64			bytes_compressed;
 41	struct zstd_data	zstd_data;
 42	struct decomp		*decomp;
 43	struct decomp		*decomp_last;
 44};
 45
 46struct decomp {
 47	struct decomp *next;
 48	u64 file_pos;
 49	size_t mmap_len;
 50	u64 head;
 51	size_t size;
 52	char data[];
 53};
 54
 55struct perf_tool;
 56
 57struct perf_session *perf_session__new(struct perf_data *data,
 58				       bool repipe, struct perf_tool *tool);
 59void perf_session__delete(struct perf_session *session);
 60
 61void perf_event_header__bswap(struct perf_event_header *hdr);
 62
 63int perf_session__peek_event(struct perf_session *session, off_t file_offset,
 64			     void *buf, size_t buf_sz,
 65			     union perf_event **event_ptr,
 66			     struct perf_sample *sample);
 
 
 
 
 
 67
 68int perf_session__process_events(struct perf_session *session);
 69
 70int perf_session__queue_event(struct perf_session *s, union perf_event *event,
 71			      u64 timestamp, u64 file_offset);
 72
 73void perf_tool__fill_defaults(struct perf_tool *tool);
 74
 75int perf_session__resolve_callchain(struct perf_session *session,
 76				    struct evsel *evsel,
 77				    struct thread *thread,
 78				    struct ip_callchain *chain,
 79				    struct symbol **parent);
 80
 81bool perf_session__has_traces(struct perf_session *session, const char *msg);
 82
 83void perf_event__attr_swap(struct perf_event_attr *attr);
 84
 85int perf_session__create_kernel_maps(struct perf_session *session);
 86
 87void perf_session__set_id_hdr_size(struct perf_session *session);
 88
 89static inline
 90struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
 91{
 92	return machines__find(&session->machines, pid);
 93}
 94
 95static inline
 96struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
 97{
 98	return machines__findnew(&session->machines, pid);
 99}
100
101struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
102int perf_session__register_idle_thread(struct perf_session *session);
103
104size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
105
106size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
107
108size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
109					  bool (fn)(struct dso *dso, int parm), int parm);
110
111size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
 
112
113struct evsel *perf_session__find_first_evtype(struct perf_session *session,
114					    unsigned int type);
115
116int perf_session__cpu_bitmap(struct perf_session *session,
117			     const char *cpu_list, unsigned long *cpu_bitmap);
118
119void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
120
121struct evsel_str_handler;
122
123int __perf_session__set_tracepoints_handlers(struct perf_session *session,
124					     const struct evsel_str_handler *assocs,
125					     size_t nr_assocs);
126
127#define perf_session__set_tracepoints_handlers(session, array) \
128	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
129
130extern volatile int session_done;
131
132#define session_done()	READ_ONCE(session_done)
133
134int perf_session__deliver_synth_event(struct perf_session *session,
135				      union perf_event *event,
136				      struct perf_sample *sample);
137
138int perf_event__process_id_index(struct perf_session *session,
139				 union perf_event *event);
140
141#endif /* __PERF_SESSION_H */
v5.14.15
  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 "util/compress.h"
 12#include <linux/kernel.h>
 13#include <linux/rbtree.h>
 14#include <linux/perf_event.h>
 15
 16struct ip_callchain;
 17struct symbol;
 18struct thread;
 19
 20struct auxtrace;
 21struct itrace_synth_opts;
 22
 23struct perf_session {
 24	struct perf_header	header;
 25	struct machines		machines;
 26	struct evlist	*evlist;
 27	struct auxtrace		*auxtrace;
 28	struct itrace_synth_opts *itrace_synth_opts;
 29	struct list_head	auxtrace_index;
 30	struct trace_event	tevent;
 31	struct perf_record_time_conv	time_conv;
 32	bool			repipe;
 33	bool			one_mmap;
 34	void			*one_mmap_addr;
 35	u64			one_mmap_offset;
 36	struct ordered_events	ordered_events;
 37	struct perf_data	*data;
 38	struct perf_tool	*tool;
 39	u64			bytes_transferred;
 40	u64			bytes_compressed;
 41	struct zstd_data	zstd_data;
 42	struct decomp		*decomp;
 43	struct decomp		*decomp_last;
 44};
 45
 46struct decomp {
 47	struct decomp *next;
 48	u64 file_pos;
 49	size_t mmap_len;
 50	u64 head;
 51	size_t size;
 52	char data[];
 53};
 54
 55struct perf_tool;
 56
 57struct perf_session *perf_session__new(struct perf_data *data,
 58				       bool repipe, struct perf_tool *tool);
 59void perf_session__delete(struct perf_session *session);
 60
 61void perf_event_header__bswap(struct perf_event_header *hdr);
 62
 63int perf_session__peek_event(struct perf_session *session, off_t file_offset,
 64			     void *buf, size_t buf_sz,
 65			     union perf_event **event_ptr,
 66			     struct perf_sample *sample);
 67typedef int (*peek_events_cb_t)(struct perf_session *session,
 68				union perf_event *event, u64 offset,
 69				void *data);
 70int perf_session__peek_events(struct perf_session *session, u64 offset,
 71			      u64 size, peek_events_cb_t cb, void *data);
 72
 73int perf_session__process_events(struct perf_session *session);
 74
 75int perf_session__queue_event(struct perf_session *s, union perf_event *event,
 76			      u64 timestamp, u64 file_offset);
 77
 78void perf_tool__fill_defaults(struct perf_tool *tool);
 79
 80int perf_session__resolve_callchain(struct perf_session *session,
 81				    struct evsel *evsel,
 82				    struct thread *thread,
 83				    struct ip_callchain *chain,
 84				    struct symbol **parent);
 85
 86bool perf_session__has_traces(struct perf_session *session, const char *msg);
 87
 88void perf_event__attr_swap(struct perf_event_attr *attr);
 89
 90int perf_session__create_kernel_maps(struct perf_session *session);
 91
 92void perf_session__set_id_hdr_size(struct perf_session *session);
 93
 94static inline
 95struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
 96{
 97	return machines__find(&session->machines, pid);
 98}
 99
100static inline
101struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
102{
103	return machines__findnew(&session->machines, pid);
104}
105
106struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
107int perf_session__register_idle_thread(struct perf_session *session);
108
109size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
110
111size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
112
113size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
114					  bool (fn)(struct dso *dso, int parm), int parm);
115
116size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
117				       bool skip_empty);
118
119struct evsel *perf_session__find_first_evtype(struct perf_session *session,
120					    unsigned int type);
121
122int perf_session__cpu_bitmap(struct perf_session *session,
123			     const char *cpu_list, unsigned long *cpu_bitmap);
124
125void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
126
127struct evsel_str_handler;
128
 
 
 
 
129#define perf_session__set_tracepoints_handlers(session, array) \
130	__evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array))
131
132extern volatile int session_done;
133
134#define session_done()	READ_ONCE(session_done)
135
136int perf_session__deliver_synth_event(struct perf_session *session,
137				      union perf_event *event,
138				      struct perf_sample *sample);
139
140int perf_event__process_id_index(struct perf_session *session,
141				 union perf_event *event);
142
143#endif /* __PERF_SESSION_H */