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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_SESSION_H
#define __PERF_SESSION_H
#include "trace-event.h"
#include "event.h"
#include "header.h"
#include "machine.h"
#include "data.h"
#include "ordered-events.h"
#include "util/compress.h"
#include <linux/kernel.h>
#include <linux/rbtree.h>
#include <linux/perf_event.h>
struct ip_callchain;
struct symbol;
struct thread;
struct auxtrace;
struct itrace_synth_opts;
struct decomp_data {
struct decomp *decomp;
struct decomp *decomp_last;
struct zstd_data *zstd_decomp;
};
struct perf_session {
struct perf_header header;
struct machines machines;
struct evlist *evlist;
struct auxtrace *auxtrace;
struct itrace_synth_opts *itrace_synth_opts;
struct list_head auxtrace_index;
struct trace_event tevent;
struct perf_record_time_conv time_conv;
bool repipe;
bool one_mmap;
void *one_mmap_addr;
u64 one_mmap_offset;
struct ordered_events ordered_events;
struct perf_data *data;
struct perf_tool *tool;
u64 bytes_transferred;
u64 bytes_compressed;
struct zstd_data zstd_data;
struct decomp_data decomp_data;
struct decomp_data *active_decomp;
};
struct decomp {
struct decomp *next;
u64 file_pos;
const char *file_path;
size_t mmap_len;
u64 head;
size_t size;
char data[];
};
struct perf_tool;
struct perf_session *__perf_session__new(struct perf_data *data,
bool repipe, int repipe_fd,
struct perf_tool *tool);
static inline struct perf_session *perf_session__new(struct perf_data *data,
struct perf_tool *tool)
{
return __perf_session__new(data, false, -1, tool);
}
void perf_session__delete(struct perf_session *session);
void perf_event_header__bswap(struct perf_event_header *hdr);
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);
typedef int (*peek_events_cb_t)(struct perf_session *session,
union perf_event *event, u64 offset,
void *data);
int perf_session__peek_events(struct perf_session *session, u64 offset,
u64 size, peek_events_cb_t cb, void *data);
int perf_session__process_events(struct perf_session *session);
int perf_session__queue_event(struct perf_session *s, union perf_event *event,
u64 timestamp, u64 file_offset, const char *file_path);
void perf_tool__fill_defaults(struct perf_tool *tool);
int perf_session__resolve_callchain(struct perf_session *session,
struct evsel *evsel,
struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent);
bool perf_session__has_traces(struct perf_session *session, const char *msg);
void perf_event__attr_swap(struct perf_event_attr *attr);
int perf_session__create_kernel_maps(struct perf_session *session);
void perf_session__set_id_hdr_size(struct perf_session *session);
static inline
struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
{
return machines__find(&session->machines, pid);
}
static inline
struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
{
return machines__findnew(&session->machines, pid);
}
struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
int perf_session__register_idle_thread(struct perf_session *session);
size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
bool (fn)(struct dso *dso, int parm), int parm);
size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
bool skip_empty);
struct evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type);
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap);
void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
struct evsel_str_handler;
#define perf_session__set_tracepoints_handlers(session, array) \
__evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array))
extern volatile int session_done;
#define session_done() READ_ONCE(session_done)
int perf_session__deliver_synth_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample);
int perf_event__process_id_index(struct perf_session *session,
union perf_event *event);
#endif /* __PERF_SESSION_H */
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