diff options
Diffstat (limited to 'tools/perf/util/evsel.h')
| -rw-r--r-- | tools/perf/util/evsel.h | 713 |
1 files changed, 497 insertions, 216 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 3f156ccc1acb..a08130ff2e47 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -1,304 +1,585 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PERF_EVSEL_H #define __PERF_EVSEL_H 1 #include <linux/list.h> #include <stdbool.h> -#include <stddef.h> +#include <sys/types.h> #include <linux/perf_event.h> -#include "types.h" -#include "xyarray.h" -#include "cgroup.h" -#include "hist.h" -#include "symbol.h" - -struct perf_counts_values { - union { - struct { - u64 val; - u64 ena; - u64 run; - }; - u64 values[3]; - }; -}; - -struct perf_counts { - s8 scaled; - struct perf_counts_values aggr; - struct perf_counts_values cpu[]; -}; - -struct perf_evsel; - -/* - * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are - * more than one entry in the evlist. - */ -struct perf_sample_id { - struct hlist_node node; - u64 id; - struct perf_evsel *evsel; -}; - -/** struct perf_evsel - event selector +#include <linux/types.h> +#include <internal/evsel.h> +#include <perf/evsel.h> +#include "symbol_conf.h" +#include "pmus.h" +#include "pmu.h" + +struct bpf_object; +struct cgroup; +struct perf_counts; +struct perf_stat_config; +struct perf_stat_evsel; +union perf_event; +struct bpf_counter_ops; +struct target; +struct hashmap; +struct bperf_leader_bpf; +struct bperf_follower_bpf; + +typedef int (evsel__sb_cb_t)(union perf_event *event, void *data); + +/** struct evsel - event selector * + * @evlist - evlist this evsel is in, if it is in one. + * @core - libperf evsel object * @name - Can be set to retain the original event name passed by the user, * so that when showing results in tools such as 'perf stat', we * show the name used, not some alias. + * @id_pos: the position of the event id (PERF_SAMPLE_ID or + * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of + * struct perf_record_sample + * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or + * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all + * is used there is an id sample appended to non-sample events + * @priv: And what is in its containing unnamed union are tool specific */ -struct perf_evsel { - struct list_head node; - struct perf_event_attr attr; - char *filter; - struct xyarray *fd; - struct xyarray *sample_id; - u64 *id; +struct evsel { + struct perf_evsel core; + struct evlist *evlist; + off_t id_offset; + int id_pos; + int is_pos; + unsigned int sample_size; + + /* + * These fields can be set in the parse-events code or similar. + * Please check evsel__clone() to copy them properly so that + * they can be released properly. + */ + struct { + char *name; + char *group_name; + const char *group_pmu_name; +#ifdef HAVE_LIBTRACEEVENT + char *tp_sys; + char *tp_name; + struct tep_event *tp_format; +#endif + char *filter; + unsigned long max_events; + double scale; + const char *unit; + struct cgroup *cgrp; + const char *metric_id; + /* + * This point to the first evsel with the same name, intended to store the + * aggregated counts in aggregation mode. + */ + struct evsel *first_wildcard_match; + /* parse modifier helper */ + int exclude_GH; + int sample_read; + bool snapshot; + bool per_pkg; + bool percore; + bool precise_max; + bool is_libpfm_event; + bool collect_stat; + bool weak_group; + bool bpf_counter; + bool use_config_name; + bool skippable; + bool retire_lat; + bool dont_regroup; + int bpf_fd; + struct bpf_object *bpf_obj; + struct list_head config_terms; + u64 alternate_hw_config; + }; + + /* + * metric fields are similar, but needs more care as they can have + * references to other metric (evsel). + */ + struct evsel *metric_leader; + + void *handler; struct perf_counts *counts; struct perf_counts *prev_raw_counts; - int idx; - u32 ids; - struct hists hists; - char *name; - struct event_format *tp_format; - union { - void *priv; - off_t id_offset; - }; - struct cgroup_sel *cgrp; - struct { - void *func; - void *data; - } handler; - struct cpu_map *cpus; - unsigned int sample_size; + unsigned long nr_events_printed; + struct perf_stat_evsel *stats; + void *priv; + u64 db_id; + bool uniquified_name; bool supported; bool needs_swap; - /* parse modifier helper */ - int exclude_GH; - int nr_members; - struct perf_evsel *leader; - char *group_name; + bool disabled; + bool no_aux_samples; + bool immediate; + bool tracking; + bool ignore_missing_thread; + bool forced_leader; + bool cmdline_group_boundary; + bool reset_group; + bool needs_auxtrace_mmap; + bool default_metricgroup; /* A member of the Default metricgroup */ + bool default_show_events; /* If a default group member, show the event */ + bool needs_uniquify; + struct hashmap *per_pkg_mask; + int err; + int script_output_type; + struct { + evsel__sb_cb_t *cb; + void *data; + } side_band; + /* + * For reporting purposes, an evsel sample can have a callchain + * synthesized from AUX area data. Keep track of synthesized sample + * types here. Note, the recorded sample_type cannot be changed because + * it is needed to continue to parse events. + * See also evsel__has_callchain(). + */ + __u64 synth_sample_type; + + /* + * Store the branch counter related information. + * br_cntr_idx: The idx of the branch counter event in the evlist + * br_cntr_nr: The number of the branch counter event in the group + * (Only available for the leader event) + * abbr_name: The abbreviation name assigned to an event which is + * logged by the branch counter. + * The abbr name is from A to Z9. NA is applied if out + * of the range. + */ + int br_cntr_idx; + int br_cntr_nr; + char abbr_name[3]; + + /* + * bpf_counter_ops serves two use cases: + * 1. perf-stat -b counting events used byBPF programs + * 2. perf-stat --use-bpf use BPF programs to aggregate counts + */ + struct bpf_counter_ops *bpf_counter_ops; + + struct list_head bpf_counter_list; /* for perf-stat -b */ + struct list_head bpf_filters; /* for perf-record --filter */ + + /* for perf-stat --use-bpf */ + int bperf_leader_prog_fd; + int bperf_leader_link_fd; + union { + struct bperf_leader_bpf *leader_skel; + struct bperf_follower_bpf *follower_skel; + void *bpf_skel; + }; + unsigned long open_flags; + int precise_ip_original; + + /* The PMU the event is from. Used for missing_features, PMU name, etc. */ + struct perf_pmu *pmu; + + /* For tool events */ + /* Beginning time subtracted when the counter is read. */ + union { + /* Defaults for retirement latency events. */ + struct _retirement_latency { + double mean; + double min; + double max; + } retirement_latency; + /* duration_time is a single global time. */ + __u64 start_time; + /* + * user_time and system_time read an initial value potentially + * per-CPU or per-pid. + */ + struct xyarray *start_times; + }; + /* Is the tool's fd for /proc/pid/stat or /proc/stat. */ + bool pid_stat; }; -#define hists_to_evsel(h) container_of(h, struct perf_evsel, hists) +struct perf_missing_features { + bool sample_id_all; + bool exclude_guest; + bool mmap2; + bool cloexec; + bool clockid; + bool clockid_wrong; + bool lbr_flags; + bool write_backward; + bool group_read; + bool ksymbol; + bool bpf; + bool aux_output; + bool branch_hw_idx; + bool cgroup; + bool data_page_size; + bool code_page_size; + bool weight_struct; + bool read_lost; + bool branch_counters; + bool aux_action; + bool inherit_sample_read; + bool defer_callchain; +}; -struct cpu_map; -struct thread_map; -struct perf_evlist; -struct perf_record_opts; - -struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx); -struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx); - -struct event_format *event_format__new(const char *sys, const char *name); - -void perf_evsel__init(struct perf_evsel *evsel, - struct perf_event_attr *attr, int idx); -void perf_evsel__exit(struct perf_evsel *evsel); -void perf_evsel__delete(struct perf_evsel *evsel); - -void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts); - -bool perf_evsel__is_cache_op_valid(u8 type, u8 op); - -#define PERF_EVSEL__MAX_ALIASES 8 - -extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] - [PERF_EVSEL__MAX_ALIASES]; -extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_EVSEL__MAX_ALIASES]; -extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] - [PERF_EVSEL__MAX_ALIASES]; -extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; -extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; -int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, - char *bf, size_t size); -const char *perf_evsel__name(struct perf_evsel *evsel); -const char *perf_evsel__group_name(struct perf_evsel *evsel); -int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); - -int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); -int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); -int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); -void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); -void perf_evsel__free_fd(struct perf_evsel *evsel); -void perf_evsel__free_id(struct perf_evsel *evsel); -void perf_evsel__free_counts(struct perf_evsel *evsel); -void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); - -void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, - enum perf_event_sample_format bit); -void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, - enum perf_event_sample_format bit); - -#define perf_evsel__set_sample_bit(evsel, bit) \ - __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) - -#define perf_evsel__reset_sample_bit(evsel, bit) \ - __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) - -void perf_evsel__set_sample_id(struct perf_evsel *evsel); - -int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, - const char *filter); - -int perf_evsel__open_per_cpu(struct perf_evsel *evsel, - struct cpu_map *cpus); -int perf_evsel__open_per_thread(struct perf_evsel *evsel, - struct thread_map *threads); -int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, - struct thread_map *threads); -void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); +extern struct perf_missing_features perf_missing_features; -struct perf_sample; +struct perf_cpu_map; +struct thread_map; +struct record_opts; -void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, - const char *name); -u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, - const char *name); +static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel) +{ + return perf_evsel__cpus(&evsel->core); +} -static inline char *perf_evsel__strval(struct perf_evsel *evsel, - struct perf_sample *sample, - const char *name) +static inline int evsel__nr_cpus(struct evsel *evsel) { - return perf_evsel__rawptr(evsel, sample, name); + return perf_cpu_map__nr(evsel__cpus(evsel)); } -struct format_field; +void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread, + struct perf_counts_values *count); -struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); +int evsel__object_config(size_t object_size, + int (*init)(struct evsel *evsel), + void (*fini)(struct evsel *evsel)); -#define perf_evsel__match(evsel, t, c) \ - (evsel->attr.type == PERF_TYPE_##t && \ - evsel->attr.config == PERF_COUNT_##c) +struct perf_pmu *evsel__find_pmu(const struct evsel *evsel); +const char *evsel__pmu_name(const struct evsel *evsel); +bool evsel__is_aux_event(const struct evsel *evsel); -static inline bool perf_evsel__match2(struct perf_evsel *e1, - struct perf_evsel *e2) +struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx); + +static inline struct evsel *evsel__new(struct perf_event_attr *attr) { - return (e1->attr.type == e2->attr.type) && - (e1->attr.config == e2->attr.config); + return evsel__new_idx(attr, 0); } -int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, - int cpu, int thread, bool scale); +struct evsel *evsel__clone(struct evsel *dest, struct evsel *orig); -/** - * perf_evsel__read_on_cpu - Read out the results on a CPU and thread - * - * @evsel - event selector to read value - * @cpu - CPU of interest - * @thread - thread of interest +int copy_config_terms(struct list_head *dst, struct list_head *src); +void free_config_terms(struct list_head *config_terms); + + +/* + * Returns pointer with encoded error via <linux/err.h> interface. */ -static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, - int cpu, int thread) +struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx, bool format); +static inline struct evsel *evsel__newtp(const char *sys, const char *name) { - return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); + return evsel__newtp_idx(sys, name, 0, true); } -/** - * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled - * - * @evsel - event selector to read value - * @cpu - CPU of interest - * @thread - thread of interest - */ -static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, - int cpu, int thread) +#ifdef HAVE_LIBTRACEEVENT +struct tep_event *evsel__tp_format(struct evsel *evsel); +#endif + +void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx); +void evsel__exit(struct evsel *evsel); +void evsel__delete(struct evsel *evsel); + +void evsel__set_priv_destructor(void (*destructor)(void *priv)); + +struct callchain_param; + +void evsel__config(struct evsel *evsel, struct record_opts *opts, + struct callchain_param *callchain); +void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts, + struct callchain_param *callchain); + +int __evsel__sample_size(u64 sample_type); +void evsel__calc_id_pos(struct evsel *evsel); + +bool evsel__is_cache_op_valid(u8 type, u8 op); + +static inline bool evsel__is_bpf(struct evsel *evsel) { - return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); + return evsel->bpf_counter_ops != NULL; } -int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, - bool scale); +static inline bool evsel__is_bperf(struct evsel *evsel) +{ + return evsel->bpf_counter_ops != NULL && list_empty(&evsel->bpf_counter_list); +} + +#define EVSEL__MAX_ALIASES 8 + +extern const char *const evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES]; +extern const char *const evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES]; +extern const char *const evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES]; +extern const char *const evsel__hw_names[PERF_COUNT_HW_MAX]; +extern const char *const evsel__sw_names[PERF_COUNT_SW_MAX]; +extern char *evsel__bpf_counter_events; +bool evsel__match_bpf_counter_events(const char *name); +int arch_evsel__hw_name(struct evsel *evsel, char *bf, size_t size); + +int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size); +const char *evsel__name(struct evsel *evsel); +bool evsel__name_is(struct evsel *evsel, const char *name); +const char *evsel__metric_id(const struct evsel *evsel); + +static inline bool evsel__is_retire_lat(const struct evsel *evsel) +{ + return evsel->retire_lat; +} + +const char *evsel__group_name(struct evsel *evsel); +int evsel__group_desc(struct evsel *evsel, char *buf, size_t size); + +void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit); +void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit); + +#define evsel__set_sample_bit(evsel, bit) \ + __evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) + +#define evsel__reset_sample_bit(evsel, bit) \ + __evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) + +void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier); + +void arch_evsel__set_sample_weight(struct evsel *evsel); +void arch__post_evsel_config(struct evsel *evsel, struct perf_event_attr *attr); +int arch_evsel__open_strerror(struct evsel *evsel, int err, char *msg, size_t size); +void arch_evsel__apply_ratio_to_prev(struct evsel *evsel, struct perf_event_attr *attr); + +int evsel__set_filter(struct evsel *evsel, const char *filter); +int evsel__append_tp_filter(struct evsel *evsel, const char *filter); +int evsel__append_addr_filter(struct evsel *evsel, const char *filter); +int evsel__enable_cpu(struct evsel *evsel, int cpu_map_idx); +int evsel__enable(struct evsel *evsel); +int evsel__disable(struct evsel *evsel); +int evsel__disable_cpu(struct evsel *evsel, int cpu_map_idx); + +int evsel__open_per_cpu_and_thread(struct evsel *evsel, + struct perf_cpu_map *cpus, int cpu_map_idx, + struct perf_thread_map *threads); +int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu_map_idx); +int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads); +int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus, + struct perf_thread_map *threads); +void evsel__close(struct evsel *evsel); +int evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus, + struct perf_thread_map *threads); + +bool evsel__precise_ip_fallback(struct evsel *evsel); + +struct perf_sample; + +#ifdef HAVE_LIBTRACEEVENT +void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name); +u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name); +u64 evsel__intval_common(struct evsel *evsel, struct perf_sample *sample, const char *name); +char evsel__taskstate(struct evsel *evsel, struct perf_sample *sample, const char *name); + +static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name) +{ + return evsel__rawptr(evsel, sample, name); +} +#endif + +struct tep_format_field; + +u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap); + +struct tep_format_field *evsel__field(struct evsel *evsel, const char *name); +struct tep_format_field *evsel__common_field(struct evsel *evsel, const char *name); + +bool __evsel__match(const struct evsel *evsel, u32 type, u64 config); + +#define evsel__match(evsel, t, c) __evsel__match(evsel, PERF_TYPE_##t, PERF_COUNT_##c) + +int evsel__read_counter(struct evsel *evsel, int cpu_map_idx, int thread); + +int __evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread, bool scale); /** - * perf_evsel__read - Read the aggregate results on all CPUs + * evsel__read_on_cpu - Read out the results on a CPU and thread * * @evsel - event selector to read value - * @ncpus - Number of cpus affected, from zero - * @nthreads - Number of threads affected, from zero + * @cpu_map_idx - CPU of interest + * @thread - thread of interest */ -static inline int perf_evsel__read(struct perf_evsel *evsel, - int ncpus, int nthreads) +static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread) { - return __perf_evsel__read(evsel, ncpus, nthreads, false); + return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, false); } /** - * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled + * evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled * * @evsel - event selector to read value - * @ncpus - Number of cpus affected, from zero - * @nthreads - Number of threads affected, from zero + * @cpu_map_idx - CPU of interest + * @thread - thread of interest */ -static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, - int ncpus, int nthreads) +static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu_map_idx, int thread) { - return __perf_evsel__read(evsel, ncpus, nthreads, true); + return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, true); } -void hists__init(struct hists *hists); +int evsel__parse_sample(struct evsel *evsel, union perf_event *event, + struct perf_sample *sample); -int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, - struct perf_sample *sample); +int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event, + u64 *timestamp); -static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) +u16 evsel__id_hdr_size(const struct evsel *evsel); + +static inline struct evsel *evsel__next(struct evsel *evsel) +{ + return list_entry(evsel->core.node.next, struct evsel, core.node); +} + +static inline struct evsel *evsel__prev(struct evsel *evsel) { - return list_entry(evsel->node.next, struct perf_evsel, node); + return list_entry(evsel->core.node.prev, struct evsel, core.node); } /** - * perf_evsel__is_group_leader - Return whether given evsel is a leader event + * evsel__is_group_leader - Return whether given evsel is a leader event * * @evsel - evsel selector to be tested * * Return %true if @evsel is a group leader or a stand-alone event */ -static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) +static inline bool evsel__is_group_leader(const struct evsel *evsel) { - return evsel->leader == evsel; + return evsel->core.leader == &evsel->core; } /** - * perf_evsel__is_group_event - Return whether given evsel is a group event + * evsel__is_group_event - Return whether given evsel is a group event * * @evsel - evsel selector to be tested * * Return %true iff event group view is enabled and @evsel is a actual group * leader which has other members in the group */ -static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) +static inline bool evsel__is_group_event(struct evsel *evsel) { if (!symbol_conf.event_group) return false; - return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; + return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1; } -struct perf_attr_details { - bool freq; - bool verbose; - bool event_group; -}; +bool evsel__is_function_event(struct evsel *evsel); -int perf_evsel__fprintf(struct perf_evsel *evsel, - struct perf_attr_details *details, FILE *fp); +static inline bool evsel__is_bpf_output(struct evsel *evsel) +{ + return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT); +} -bool perf_evsel__fallback(struct perf_evsel *evsel, int err, - char *msg, size_t msgsize); -int perf_evsel__open_strerror(struct perf_evsel *evsel, - struct perf_target *target, - int err, char *msg, size_t size); +static inline bool evsel__is_clock(const struct evsel *evsel) +{ + return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || + evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK); +} + +bool evsel__fallback(struct evsel *evsel, struct target *target, int err, + char *msg, size_t msgsize); +int evsel__open_strerror(struct evsel *evsel, struct target *target, + int err, char *msg, size_t size); + +static inline int evsel__group_idx(struct evsel *evsel) +{ + return evsel->core.idx - evsel->core.leader->idx; +} + +/* Iterates group WITHOUT the leader. */ +#define for_each_group_member_head(_evsel, _leader, _head) \ +for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \ + (_evsel) && &(_evsel)->core.node != (_head) && \ + (_evsel)->core.leader == &(_leader)->core; \ + (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node)) + +#define for_each_group_member(_evsel, _leader) \ + for_each_group_member_head(_evsel, _leader, &(_leader)->evlist->core.entries) + +/* Iterates group WITH the leader. */ +#define for_each_group_evsel_head(_evsel, _leader, _head) \ +for ((_evsel) = _leader; \ + (_evsel) && &(_evsel)->core.node != (_head) && \ + (_evsel)->core.leader == &(_leader)->core; \ + (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node)) -static inline int perf_evsel__group_idx(struct perf_evsel *evsel) +#define for_each_group_evsel(_evsel, _leader) \ + for_each_group_evsel_head(_evsel, _leader, &(_leader)->evlist->core.entries) + +static inline bool evsel__has_branch_callstack(const struct evsel *evsel) +{ + return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK; +} + +static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel) { - return evsel->idx - evsel->leader->idx; + return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX; } -#define for_each_group_member(_evsel, _leader) \ -for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ - (_evsel) && (_evsel)->leader == (_leader); \ - (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) +static inline bool evsel__has_callchain(const struct evsel *evsel) +{ + /* + * For reporting purposes, an evsel sample can have a recorded callchain + * or a callchain synthesized from AUX area data. + */ + return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN || + evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN; +} + +static inline bool evsel__has_br_stack(const struct evsel *evsel) +{ + /* + * For reporting purposes, an evsel sample can have a recorded branch + * stack or a branch stack synthesized from AUX area data. + */ + return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK || + evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK; +} + +static inline bool evsel__is_dummy_event(struct evsel *evsel) +{ + return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) && + (evsel->core.attr.config == PERF_COUNT_SW_DUMMY); +} + +struct perf_session *evsel__session(struct evsel *evsel); +struct perf_env *evsel__env(struct evsel *evsel); + +int evsel__store_ids(struct evsel *evsel, struct evlist *evlist); + +void evsel__zero_per_pkg(struct evsel *evsel); +bool evsel__is_hybrid(const struct evsel *evsel); +struct evsel *evsel__leader(const struct evsel *evsel); +bool evsel__has_leader(struct evsel *evsel, struct evsel *leader); +bool evsel__is_leader(struct evsel *evsel); +void evsel__set_leader(struct evsel *evsel, struct evsel *leader); +int evsel__source_count(const struct evsel *evsel); +void evsel__remove_from_group(struct evsel *evsel, struct evsel *leader); + +bool arch_evsel__must_be_in_group(const struct evsel *evsel); + +bool evsel__set_needs_uniquify(struct evsel *counter, const struct perf_stat_config *config); +void evsel__uniquify_counter(struct evsel *counter); + +/* + * Macro to swap the bit-field postition and size. + * Used when, + * - dont need to swap the entire u64 && + * - when u64 has variable bit-field sizes && + * - when presented in a host endian which is different + * than the source endian of the perf.data file + */ +#define bitfield_swap(src, pos, size) \ + ((((src) >> (pos)) & ((1ull << (size)) - 1)) << (63 - ((pos) + (size) - 1))) + +u64 evsel__bitfield_swap_branch_flags(u64 value); +void evsel__set_config_if_unset(struct perf_pmu *pmu, struct evsel *evsel, + const char *config_name, u64 val); + +bool evsel__is_offcpu_event(struct evsel *evsel); + +void evsel__warn_user_requested_cpus(struct evsel *evsel, struct perf_cpu_map *user_requested_cpus); #endif /* __PERF_EVSEL_H */ |