--- zzzz-none-000/linux-3.10.107/tools/perf/util/evlist.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/tools/perf/util/evlist.h 2021-02-04 17:41:59.000000000 +0000 @@ -1,27 +1,37 @@ #ifndef __PERF_EVLIST_H #define __PERF_EVLIST_H 1 +#include #include +#include #include #include "../perf.h" #include "event.h" #include "evsel.h" #include "util.h" +#include "auxtrace.h" #include struct pollfd; struct thread_map; struct cpu_map; -struct perf_record_opts; +struct record_opts; #define PERF_EVLIST__HLIST_BITS 8 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) +/** + * struct perf_mmap - perf's ring buffer mmap details + * + * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this + */ struct perf_mmap { void *base; int mask; - unsigned int prev; - union perf_event event_copy; + atomic_t refcnt; + u64 prev; + struct auxtrace_mmap auxtrace_mmap; + char event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8))); }; struct perf_evlist { @@ -29,19 +39,25 @@ struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; int nr_entries; int nr_groups; - int nr_fds; int nr_mmaps; - int mmap_len; + bool overwrite; + bool enabled; + bool has_user_cpus; + size_t mmap_len; + int id_pos; + int is_pos; + u64 combined_sample_type; struct { int cork_fd; pid_t pid; } workload; - bool overwrite; + struct fdarray pollfd; struct perf_mmap *mmap; - struct pollfd *pollfd; struct thread_map *threads; struct cpu_map *cpus; struct perf_evsel *selected; + struct events_stats stats; + struct perf_env *env; }; struct perf_evsel_str_handler { @@ -50,12 +66,14 @@ }; struct perf_evlist *perf_evlist__new(void); +struct perf_evlist *perf_evlist__new_default(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); int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); @@ -67,58 +85,92 @@ const char *sys, const char *name, void *handler); 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); -void perf_evlist__add_pollfd(struct perf_evlist *evlist, 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); -union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); +union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx); + +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); -void perf_evlist__config(struct perf_evlist *evlist, - struct perf_record_opts *opts); +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); +int record_opts__config(struct record_opts *opts); int perf_evlist__prepare_workload(struct perf_evlist *evlist, - struct perf_target *target, + struct target *target, const char *argv[], bool pipe_output, - bool want_signal); + 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); + +int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, + bool overwrite, unsigned int auxtrace_pages, + bool auxtrace_overwrite); int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, bool overwrite); void perf_evlist__munmap(struct perf_evlist *evlist); 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); -void perf_evlist__set_selected(struct perf_evlist *evlist, +int perf_evlist__disable_event(struct perf_evlist *evlist, struct perf_evsel *evsel); +int perf_evlist__enable_event(struct perf_evlist *evlist, + struct perf_evsel *evsel); +int perf_evlist__enable_event_idx(struct perf_evlist *evlist, + struct perf_evsel *evsel, int idx); -static inline void perf_evlist__set_maps(struct perf_evlist *evlist, - struct cpu_map *cpus, - struct thread_map *threads) -{ - evlist->cpus = cpus; - evlist->threads = threads; -} +void perf_evlist__set_selected(struct perf_evlist *evlist, + struct perf_evsel *evsel); -int perf_evlist__create_maps(struct perf_evlist *evlist, - struct perf_target *target); -void perf_evlist__delete_maps(struct perf_evlist *evlist); -int perf_evlist__apply_filters(struct perf_evlist *evlist); +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__sample_type(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); @@ -127,10 +179,10 @@ 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, - int nr_entries); + struct list_head *list); static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) { @@ -144,24 +196,100 @@ size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); -static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm) +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); + +static inline u64 perf_mmap__read_head(struct perf_mmap *mm) { struct perf_event_mmap_page *pc = mm->base; - int head = pc->data_head; + u64 head = ACCESS_ONCE(pc->data_head); rmb(); return head; } -static inline void perf_mmap__write_tail(struct perf_mmap *md, - unsigned long tail) +static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail) { struct perf_event_mmap_page *pc = md->base; /* * ensure all reads are done before we write the tail out. */ - /* mb(); */ + mb(); pc->data_tail = tail; } +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 - iterate thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each(list, evsel) \ + list_for_each_entry(evsel, list, node) + +/** + * evlist__for_each - iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each(evlist, evsel) \ + __evlist__for_each(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_continue - continue iteration thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_continue(list, evsel) \ + list_for_each_entry_continue(evsel, list, node) + +/** + * evlist__for_each_continue - continue iteration thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_continue(evlist, evsel) \ + __evlist__for_each_continue(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_reverse(list, evsel) \ + list_for_each_entry_reverse(evsel, list, node) + +/** + * evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_reverse(evlist, evsel) \ + __evlist__for_each_reverse(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_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_safe(list, tmp, evsel) \ + list_for_each_entry_safe(evsel, tmp, list, node) + +/** + * evlist__for_each_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_safe(evlist, tmp, evsel) \ + __evlist__for_each_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); #endif /* __PERF_EVLIST_H */