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724ce97e9f
It was being found, by chance, because evsel.h needlessly includes util/cgroup.h, which will be sorted out in a following patch. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> 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-xsvxr747wkkpg1ay9dramorr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
283 lines
8.7 KiB
C
283 lines
8.7 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 <api/fd/array.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 "evsel.h"
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#include "util.h"
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#include <unistd.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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struct record_opts;
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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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/**
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* struct perf_mmap - perf's ring buffer mmap details
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*
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* @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
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*/
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struct perf_mmap {
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void *base;
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int mask;
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int refcnt;
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unsigned int prev;
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char event_copy[PERF_SAMPLE_MAX_SIZE];
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};
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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_groups;
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int nr_mmaps;
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size_t mmap_len;
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int id_pos;
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int is_pos;
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u64 combined_sample_type;
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struct {
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int cork_fd;
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pid_t pid;
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} workload;
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bool overwrite;
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struct fdarray pollfd;
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struct perf_mmap *mmap;
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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_str_handler {
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const char *name;
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void *handler;
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};
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struct perf_evlist *perf_evlist__new(void);
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struct perf_evlist *perf_evlist__new_default(void);
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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_default_attrs(struct perf_evlist *evlist,
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struct perf_event_attr *attrs, size_t nr_attrs);
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#define perf_evlist__add_default_attrs(evlist, array) \
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__perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
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int perf_evlist__add_newtp(struct perf_evlist *evlist,
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const char *sys, const char *name, void *handler);
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int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
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struct perf_evsel *
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perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
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struct perf_evsel *
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perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
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const char *name);
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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__add_pollfd(struct perf_evlist *evlist, int fd);
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int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
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int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask);
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int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
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struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
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struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
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union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx);
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void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx);
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int perf_evlist__open(struct perf_evlist *evlist);
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void perf_evlist__close(struct perf_evlist *evlist);
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void perf_evlist__set_id_pos(struct perf_evlist *evlist);
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bool perf_can_sample_identifier(void);
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void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts);
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int record_opts__config(struct record_opts *opts);
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int perf_evlist__prepare_workload(struct perf_evlist *evlist,
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struct target *target,
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const char *argv[], bool pipe_output,
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void (*exec_error)(int signo, siginfo_t *info,
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void *ucontext));
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int perf_evlist__start_workload(struct perf_evlist *evlist);
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struct option;
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int perf_evlist__parse_mmap_pages(const struct option *opt,
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const char *str,
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int unset);
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int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
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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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int perf_evlist__disable_event(struct perf_evlist *evlist,
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struct perf_evsel *evsel);
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int perf_evlist__enable_event(struct perf_evlist *evlist,
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struct perf_evsel *evsel);
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int perf_evlist__enable_event_idx(struct perf_evlist *evlist,
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struct perf_evsel *evsel, int idx);
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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, struct target *target);
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int perf_evlist__apply_filters(struct perf_evlist *evlist);
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void __perf_evlist__set_leader(struct list_head *list);
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void perf_evlist__set_leader(struct perf_evlist *evlist);
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u64 perf_evlist__read_format(struct perf_evlist *evlist);
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u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist);
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u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist);
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bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
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u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
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int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
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struct perf_sample *sample);
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bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
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bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
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bool perf_evlist__valid_read_format(struct perf_evlist *evlist);
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void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
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struct list_head *list,
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int nr_entries);
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static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
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{
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return list_entry(evlist->entries.next, struct perf_evsel, node);
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}
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static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
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{
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return list_entry(evlist->entries.prev, struct perf_evsel, node);
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}
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size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
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int perf_evlist__strerror_tp(struct perf_evlist *evlist, int err, char *buf, size_t size);
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int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size);
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static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm)
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{
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struct perf_event_mmap_page *pc = mm->base;
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int head = ACCESS_ONCE(pc->data_head);
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rmb();
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return head;
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}
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static inline void perf_mmap__write_tail(struct perf_mmap *md,
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unsigned long tail)
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{
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struct perf_event_mmap_page *pc = md->base;
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/*
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* ensure all reads are done before we write the tail out.
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*/
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mb();
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pc->data_tail = tail;
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}
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bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str);
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void perf_evlist__to_front(struct perf_evlist *evlist,
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struct perf_evsel *move_evsel);
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/**
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* __evlist__for_each - iterate thru all the evsels
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* @list: list_head instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define __evlist__for_each(list, evsel) \
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list_for_each_entry(evsel, list, node)
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/**
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* evlist__for_each - iterate thru all the evsels
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* @evlist: evlist instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define evlist__for_each(evlist, evsel) \
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__evlist__for_each(&(evlist)->entries, evsel)
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/**
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* __evlist__for_each_continue - continue iteration thru all the evsels
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* @list: list_head instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define __evlist__for_each_continue(list, evsel) \
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list_for_each_entry_continue(evsel, list, node)
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/**
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* evlist__for_each_continue - continue iteration thru all the evsels
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* @evlist: evlist instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define evlist__for_each_continue(evlist, evsel) \
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__evlist__for_each_continue(&(evlist)->entries, evsel)
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/**
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* __evlist__for_each_reverse - iterate thru all the evsels in reverse order
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* @list: list_head instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define __evlist__for_each_reverse(list, evsel) \
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list_for_each_entry_reverse(evsel, list, node)
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/**
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* evlist__for_each_reverse - iterate thru all the evsels in reverse order
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* @evlist: evlist instance to iterate
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* @evsel: struct evsel iterator
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*/
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#define evlist__for_each_reverse(evlist, evsel) \
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__evlist__for_each_reverse(&(evlist)->entries, evsel)
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/**
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* __evlist__for_each_safe - safely iterate thru all the evsels
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* @list: list_head instance to iterate
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* @tmp: struct evsel temp iterator
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* @evsel: struct evsel iterator
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*/
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#define __evlist__for_each_safe(list, tmp, evsel) \
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list_for_each_entry_safe(evsel, tmp, list, node)
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/**
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* evlist__for_each_safe - safely iterate thru all the evsels
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* @evlist: evlist instance to iterate
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* @evsel: struct evsel iterator
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* @tmp: struct evsel temp iterator
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*/
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#define evlist__for_each_safe(evlist, tmp, evsel) \
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__evlist__for_each_safe(&(evlist)->entries, tmp, evsel)
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void perf_evlist__set_tracking_event(struct perf_evlist *evlist,
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struct perf_evsel *tracking_evsel);
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#endif /* __PERF_EVLIST_H */
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