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#ifndef __PERF_SESSION_H
#define __PERF_SESSION_H
#include "hist.h"
#include "event.h"
#include "header.h"
#include "symbol.h"
#include "thread.h"
#include <linux/rbtree.h>
#include "../../../include/linux/perf_event.h"
struct sample_queue;
struct ip_callchain;
struct thread;
struct ordered_samples {
u64 last_flush;
u64 next_flush;
u64 max_timestamp;
struct list_head samples;
struct list_head sample_cache;
struct list_head to_free;
struct sample_queue *sample_buffer;
struct sample_queue *last_sample;
int sample_buffer_idx;
unsigned int nr_samples;
};
struct perf_session {
struct perf_header header;
unsigned long size;
unsigned long mmap_window;
struct machine host_machine;
struct rb_root machines;
struct perf_evlist *evlist;
/*
* FIXME: Need to split this up further, we need global
* stats + per event stats. 'perf diff' also needs
* to properly support multiple events in a single
* perf.data file.
*/
struct hists hists;
u64 sample_type;
int sample_size;
int fd;
bool fd_pipe;
bool repipe;
bool sample_id_all;
u16 id_hdr_size;
int cwdlen;
char *cwd;
struct ordered_samples ordered_samples;
char filename[1];
};
struct perf_tool;
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, bool repipe,
struct perf_tool *tool);
void perf_session__delete(struct perf_session *self);
void perf_event_header__bswap(struct perf_event_header *self);
int __perf_session__process_events(struct perf_session *self,
u64 data_offset, u64 data_size, u64 size,
struct perf_tool *tool);
int perf_session__process_events(struct perf_session *self,
struct perf_tool *tool);
int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent);
struct branch_info *machine__resolve_bstack(struct machine *self,
struct thread *thread,
struct branch_stack *bs);
bool perf_session__has_traces(struct perf_session *self, const char *msg);
void mem_bswap_64(void *src, int byte_size);
void perf_event__attr_swap(struct perf_event_attr *attr);
int perf_session__create_kernel_maps(struct perf_session *self);
void perf_session__update_sample_type(struct perf_session *self);
void perf_session__remove_thread(struct perf_session *self, struct thread *th);
static inline
struct machine *perf_session__find_host_machine(struct perf_session *self)
{
return &self->host_machine;
}
static inline
struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
{
if (pid == HOST_KERNEL_ID)
return &self->host_machine;
return machines__find(&self->machines, pid);
}
static inline
struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
{
if (pid == HOST_KERNEL_ID)
return &self->host_machine;
return machines__findnew(&self->machines, pid);
}
static inline
void perf_session__process_machines(struct perf_session *self,
struct perf_tool *tool,
machine__process_t process)
{
process(&self->host_machine, tool);
return machines__process(&self->machines, process, tool);
}
struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
FILE *fp, bool with_hits);
size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
static inline int perf_session__parse_sample(struct perf_session *session,
const union perf_event *event,
struct perf_sample *sample)
{
return perf_event__parse_sample(event, session->sample_type,
session->sample_size,
session->sample_id_all, sample,
session->header.needs_swap);
}
static inline int perf_session__synthesize_sample(struct perf_session *session,
union perf_event *event,
const struct perf_sample *sample)
{
return perf_event__synthesize_sample(event, session->sample_type,
sample, session->header.needs_swap);
}
struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type);
void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
struct machine *machine, struct perf_evsel *evsel,
int print_sym, int print_dso, int print_symoffset);
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);
#endif /* __PERF_SESSION_H */
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