forked from Minki/linux
a8c9ae18d8
Convenient way of asking for tracepoint events to be added to an existing evlist. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-0ylj4wrg54791u0baqb9swbb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
#ifndef __PERF_EVLIST_H
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#define __PERF_EVLIST_H 1
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#include <linux/list.h>
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#include <stdio.h>
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#include "../perf.h"
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#include "event.h"
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#include "util.h"
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struct pollfd;
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struct thread_map;
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struct cpu_map;
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#define PERF_EVLIST__HLIST_BITS 8
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#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
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struct perf_evlist {
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struct list_head entries;
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struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
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int nr_entries;
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int nr_fds;
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int nr_mmaps;
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int mmap_len;
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bool overwrite;
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union perf_event event_copy;
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struct perf_mmap *mmap;
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struct pollfd *pollfd;
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struct thread_map *threads;
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struct cpu_map *cpus;
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struct perf_evsel *selected;
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};
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struct perf_evsel;
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struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
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struct thread_map *threads);
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void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
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struct thread_map *threads);
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void perf_evlist__exit(struct perf_evlist *evlist);
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void perf_evlist__delete(struct perf_evlist *evlist);
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void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
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int perf_evlist__add_default(struct perf_evlist *evlist);
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int perf_evlist__add_attrs(struct perf_evlist *evlist,
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struct perf_event_attr *attrs, size_t nr_attrs);
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int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
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const char *tracepoints[], size_t nr_tracepoints);
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#define perf_evlist__add_attrs_array(evlist, array) \
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perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
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#define perf_evlist__add_tracepoints_array(evlist, array) \
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perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
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void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
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int cpu, int thread, u64 id);
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int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
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void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
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struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
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union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
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int perf_evlist__open(struct perf_evlist *evlist, bool group);
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int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
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int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
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void perf_evlist__munmap(struct perf_evlist *evlist);
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void perf_evlist__disable(struct perf_evlist *evlist);
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void perf_evlist__enable(struct perf_evlist *evlist);
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void perf_evlist__set_selected(struct perf_evlist *evlist,
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struct perf_evsel *evsel);
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static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
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struct cpu_map *cpus,
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struct thread_map *threads)
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{
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evlist->cpus = cpus;
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evlist->threads = threads;
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}
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int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
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pid_t target_tid, const char *cpu_list);
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void perf_evlist__delete_maps(struct perf_evlist *evlist);
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int perf_evlist__set_filters(struct perf_evlist *evlist);
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u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
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bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
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bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
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bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
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#endif /* __PERF_EVLIST_H */
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