146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_H
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#include "hist.h"
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#include "event.h"
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#include "header.h"
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#include "symbol.h"
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#include "thread.h"
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#include <linux/rbtree.h>
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#include "../../../include/linux/perf_event.h"
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struct sample_queue;
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struct ip_callchain;
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struct thread;
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struct ordered_samples {
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u64 last_flush;
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u64 next_flush;
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u64 max_timestamp;
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struct list_head samples_head;
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struct sample_queue *last_inserted;
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};
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struct perf_session {
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struct perf_header header;
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unsigned long size;
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unsigned long mmap_window;
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struct rb_root threads;
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struct list_head dead_threads;
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struct thread *last_match;
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struct machine host_machine;
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struct rb_root machines;
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struct rb_root hists_tree;
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/*
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* FIXME: should point to the first entry in hists_tree and
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* be a hists instance. Right now its only 'report'
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* that is using ->hists_tree while all the rest use
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* ->hists.
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*/
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struct hists hists;
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u64 sample_type;
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int fd;
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bool fd_pipe;
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bool repipe;
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int cwdlen;
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char *cwd;
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struct ordered_samples ordered_samples;
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char filename[0];
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};
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struct perf_event_ops;
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typedef int (*event_op)(event_t *self, struct perf_session *session);
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typedef int (*event_op2)(event_t *self, struct perf_session *session,
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struct perf_event_ops *ops);
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struct perf_event_ops {
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event_op sample,
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mmap,
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comm,
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fork,
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exit,
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lost,
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read,
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throttle,
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unthrottle,
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attr,
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event_type,
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tracing_data,
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build_id;
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event_op2 finished_round;
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bool ordered_samples;
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};
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struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe);
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void perf_session__delete(struct perf_session *self);
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void perf_event_header__bswap(struct perf_event_header *self);
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int __perf_session__process_events(struct perf_session *self,
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u64 data_offset, u64 data_size, u64 size,
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struct perf_event_ops *ops);
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int perf_session__process_events(struct perf_session *self,
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struct perf_event_ops *event_ops);
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struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
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struct thread *thread,
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struct ip_callchain *chain,
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struct symbol **parent);
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bool perf_session__has_traces(struct perf_session *self, const char *msg);
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int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
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const char *symbol_name,
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u64 addr);
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void mem_bswap_64(void *src, int byte_size);
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int perf_session__create_kernel_maps(struct perf_session *self);
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int do_read(int fd, void *buf, size_t size);
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void perf_session__update_sample_type(struct perf_session *self);
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void perf_session__remove_thread(struct perf_session *self, struct thread *th);
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static inline
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struct machine *perf_session__find_host_machine(struct perf_session *self)
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{
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return &self->host_machine;
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}
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static inline
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struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
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{
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if (pid == HOST_KERNEL_ID)
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return &self->host_machine;
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return machines__find(&self->machines, pid);
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}
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static inline
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struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
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{
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if (pid == HOST_KERNEL_ID)
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return &self->host_machine;
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return machines__findnew(&self->machines, pid);
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}
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static inline
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void perf_session__process_machines(struct perf_session *self,
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machine__process_t process)
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{
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process(&self->host_machine, self);
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return machines__process(&self->machines, process, self);
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}
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size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
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size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
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FILE *fp, bool with_hits);
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static inline
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size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
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{
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return hists__fprintf_nr_events(&self->hists, fp);
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}
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#endif /* __PERF_SESSION_H */
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