mirror of
https://github.com/torvalds/linux
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81cce8de94
This allows passing a timer to be run periodically, which will update the hists tree that then gers refreshed on the screen, just like the Live mode (symbol entries, annotation) we already have in 'perf top --tui'. Will be used by the new hist_entry/hists based 'top' tool. 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-2r44qd8oe4sagzcgoikl8qzc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
82 lines
2.6 KiB
C
82 lines
2.6 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 "../perf.h"
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#include "event.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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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__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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