diff options
Diffstat (limited to 'tools/perf/util/evlist.h')
| -rw-r--r-- | tools/perf/util/evlist.h | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h new file mode 100644 index 000000000..dc66436ad --- /dev/null +++ b/tools/perf/util/evlist.h @@ -0,0 +1,315 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_EVLIST_H +#define __PERF_EVLIST_H 1 + +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <linux/refcount.h> +#include <linux/list.h> +#include <api/fd/array.h> +#include <stdio.h> +#include "../perf.h" +#include "event.h" +#include "evsel.h" +#include "mmap.h" +#include "util.h" +#include <signal.h> +#include <unistd.h> + +struct pollfd; +struct thread_map; +struct cpu_map; +struct record_opts; + +#define PERF_EVLIST__HLIST_BITS 8 +#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) + +struct perf_evlist { + struct list_head entries; + struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; + int nr_entries; + int nr_groups; + int nr_mmaps; + bool enabled; + bool has_user_cpus; + size_t mmap_len; + int id_pos; + int is_pos; + u64 combined_sample_type; + enum bkw_mmap_state bkw_mmap_state; + struct { + int cork_fd; + pid_t pid; + } workload; + struct fdarray pollfd; + struct perf_mmap *mmap; + struct perf_mmap *overwrite_mmap; + struct thread_map *threads; + struct cpu_map *cpus; + struct perf_evsel *selected; + struct events_stats stats; + struct perf_env *env; + u64 first_sample_time; + u64 last_sample_time; +}; + +struct perf_evsel_str_handler { + const char *name; + void *handler; +}; + +struct perf_evlist *perf_evlist__new(void); +struct perf_evlist *perf_evlist__new_default(void); +struct perf_evlist *perf_evlist__new_dummy(void); +void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, + struct thread_map *threads); +void perf_evlist__exit(struct perf_evlist *evlist); +void perf_evlist__delete(struct perf_evlist *evlist); + +void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); +void perf_evlist__remove(struct perf_evlist *evlist, struct perf_evsel *evsel); + +int __perf_evlist__add_default(struct perf_evlist *evlist, bool precise); + +static inline int perf_evlist__add_default(struct perf_evlist *evlist) +{ + return __perf_evlist__add_default(evlist, true); +} + +int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, + struct perf_event_attr *attrs, size_t nr_attrs); + +#define perf_evlist__add_default_attrs(evlist, array) \ + __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) + +int perf_evlist__add_dummy(struct perf_evlist *evlist); + +int perf_evlist__add_newtp(struct perf_evlist *evlist, + const char *sys, const char *name, void *handler); + +void __perf_evlist__set_sample_bit(struct perf_evlist *evlist, + enum perf_event_sample_format bit); +void __perf_evlist__reset_sample_bit(struct perf_evlist *evlist, + enum perf_event_sample_format bit); + +#define perf_evlist__set_sample_bit(evlist, bit) \ + __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit) + +#define perf_evlist__reset_sample_bit(evlist, bit) \ + __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit) + +int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter); +int perf_evlist__set_filter_pid(struct perf_evlist *evlist, pid_t pid); +int perf_evlist__set_filter_pids(struct perf_evlist *evlist, size_t npids, pid_t *pids); + +struct perf_evsel * +perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); + +struct perf_evsel * +perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, + const char *name); + +void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, + int cpu, int thread, u64 id); +int perf_evlist__id_add_fd(struct perf_evlist *evlist, + struct perf_evsel *evsel, + int cpu, int thread, int fd); + +int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); +int perf_evlist__alloc_pollfd(struct perf_evlist *evlist); +int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask); + +int perf_evlist__poll(struct perf_evlist *evlist, int timeout); + +struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); +struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist, + u64 id); + +struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id); + +void perf_evlist__toggle_bkw_mmap(struct perf_evlist *evlist, enum bkw_mmap_state state); + +void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx); + +int perf_evlist__open(struct perf_evlist *evlist); +void perf_evlist__close(struct perf_evlist *evlist); + +struct callchain_param; + +void perf_evlist__set_id_pos(struct perf_evlist *evlist); +bool perf_can_sample_identifier(void); +bool perf_can_record_switch_events(void); +bool perf_can_record_cpu_wide(void); +void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts, + struct callchain_param *callchain); +int record_opts__config(struct record_opts *opts); + +int perf_evlist__prepare_workload(struct perf_evlist *evlist, + struct target *target, + const char *argv[], bool pipe_output, + void (*exec_error)(int signo, siginfo_t *info, + void *ucontext)); +int perf_evlist__start_workload(struct perf_evlist *evlist); + +struct option; + +int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); +int perf_evlist__parse_mmap_pages(const struct option *opt, + const char *str, + int unset); + +unsigned long perf_event_mlock_kb_in_pages(void); + +int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, + unsigned int auxtrace_pages, + bool auxtrace_overwrite); +int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages); +void perf_evlist__munmap(struct perf_evlist *evlist); + +size_t perf_evlist__mmap_size(unsigned long pages); + +void perf_evlist__disable(struct perf_evlist *evlist); +void perf_evlist__enable(struct perf_evlist *evlist); +void perf_evlist__toggle_enable(struct perf_evlist *evlist); + +int perf_evlist__enable_event_idx(struct perf_evlist *evlist, + struct perf_evsel *evsel, int idx); + +void perf_evlist__set_selected(struct perf_evlist *evlist, + struct perf_evsel *evsel); + +void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus, + struct thread_map *threads); +int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target); +int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **err_evsel); + +void __perf_evlist__set_leader(struct list_head *list); +void perf_evlist__set_leader(struct perf_evlist *evlist); + +u64 perf_evlist__read_format(struct perf_evlist *evlist); +u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist); +u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist); +u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist); +bool perf_evlist__sample_id_all(struct perf_evlist *evlist); +u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist); + +int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event, + struct perf_sample *sample); + +int perf_evlist__parse_sample_timestamp(struct perf_evlist *evlist, + union perf_event *event, + u64 *timestamp); + +bool perf_evlist__valid_sample_type(struct perf_evlist *evlist); +bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist); +bool perf_evlist__valid_read_format(struct perf_evlist *evlist); + +void perf_evlist__splice_list_tail(struct perf_evlist *evlist, + struct list_head *list); + +static inline bool perf_evlist__empty(struct perf_evlist *evlist) +{ + return list_empty(&evlist->entries); +} + +static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) +{ + return list_entry(evlist->entries.next, struct perf_evsel, node); +} + +static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) +{ + return list_entry(evlist->entries.prev, struct perf_evsel, node); +} + +size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); + +int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size); +int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size); + +bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str); +void perf_evlist__to_front(struct perf_evlist *evlist, + struct perf_evsel *move_evsel); + +/** + * __evlist__for_each_entry - iterate thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_entry(list, evsel) \ + list_for_each_entry(evsel, list, node) + +/** + * evlist__for_each_entry - iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_entry(evlist, evsel) \ + __evlist__for_each_entry(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_entry_continue - continue iteration thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_entry_continue(list, evsel) \ + list_for_each_entry_continue(evsel, list, node) + +/** + * evlist__for_each_entry_continue - continue iteration thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_entry_continue(evlist, evsel) \ + __evlist__for_each_entry_continue(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_entry_reverse(list, evsel) \ + list_for_each_entry_reverse(evsel, list, node) + +/** + * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_entry_reverse(evlist, evsel) \ + __evlist__for_each_entry_reverse(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_entry_safe - safely iterate thru all the evsels + * @list: list_head instance to iterate + * @tmp: struct evsel temp iterator + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_entry_safe(list, tmp, evsel) \ + list_for_each_entry_safe(evsel, tmp, list, node) + +/** + * evlist__for_each_entry_safe - safely iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + * @tmp: struct evsel temp iterator + */ +#define evlist__for_each_entry_safe(evlist, tmp, evsel) \ + __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel) + +void perf_evlist__set_tracking_event(struct perf_evlist *evlist, + struct perf_evsel *tracking_evsel); + +void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr); + +struct perf_evsel * +perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str); + +struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, + union perf_event *event); + +bool perf_evlist__exclude_kernel(struct perf_evlist *evlist); + +void perf_evlist__force_leader(struct perf_evlist *evlist); + +#endif /* __PERF_EVLIST_H */ |