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273 lines
8.5 KiB
273 lines
8.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __PERF_PARSE_EVENTS_H |
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#define __PERF_PARSE_EVENTS_H |
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/* |
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* Parse symbolic events/counts passed in as options: |
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*/ |
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#include <linux/list.h> |
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#include <stdbool.h> |
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#include <linux/types.h> |
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#include <linux/perf_event.h> |
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#include <string.h> |
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struct list_head; |
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struct evsel; |
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struct evlist; |
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struct parse_events_error; |
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struct option; |
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struct perf_pmu; |
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struct tracepoint_path { |
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char *system; |
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char *name; |
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struct tracepoint_path *next; |
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}; |
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struct tracepoint_path *tracepoint_id_to_path(u64 config); |
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struct tracepoint_path *tracepoint_name_to_path(const char *name); |
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bool have_tracepoints(struct list_head *evlist); |
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const char *event_type(int type); |
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int parse_events_option(const struct option *opt, const char *str, int unset); |
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int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset); |
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int __parse_events(struct evlist *evlist, const char *str, struct parse_events_error *error, |
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struct perf_pmu *fake_pmu); |
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static inline int parse_events(struct evlist *evlist, const char *str, |
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struct parse_events_error *err) |
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{ |
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return __parse_events(evlist, str, err, NULL); |
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} |
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int parse_events_terms(struct list_head *terms, const char *str); |
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int parse_filter(const struct option *opt, const char *str, int unset); |
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int exclude_perf(const struct option *opt, const char *arg, int unset); |
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#define EVENTS_HELP_MAX (128*1024) |
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enum perf_pmu_event_symbol_type { |
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PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */ |
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PMU_EVENT_SYMBOL, /* normal style PMU event */ |
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PMU_EVENT_SYMBOL_PREFIX, /* prefix of pre-suf style event */ |
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PMU_EVENT_SYMBOL_SUFFIX, /* suffix of pre-suf style event */ |
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}; |
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struct perf_pmu_event_symbol { |
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char *symbol; |
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enum perf_pmu_event_symbol_type type; |
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}; |
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enum { |
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PARSE_EVENTS__TERM_TYPE_NUM, |
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PARSE_EVENTS__TERM_TYPE_STR, |
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}; |
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enum { |
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PARSE_EVENTS__TERM_TYPE_USER, |
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PARSE_EVENTS__TERM_TYPE_CONFIG, |
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PARSE_EVENTS__TERM_TYPE_CONFIG1, |
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PARSE_EVENTS__TERM_TYPE_CONFIG2, |
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PARSE_EVENTS__TERM_TYPE_NAME, |
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PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD, |
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PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ, |
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PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, |
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PARSE_EVENTS__TERM_TYPE_TIME, |
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PARSE_EVENTS__TERM_TYPE_CALLGRAPH, |
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PARSE_EVENTS__TERM_TYPE_STACKSIZE, |
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PARSE_EVENTS__TERM_TYPE_NOINHERIT, |
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PARSE_EVENTS__TERM_TYPE_INHERIT, |
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PARSE_EVENTS__TERM_TYPE_MAX_STACK, |
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PARSE_EVENTS__TERM_TYPE_MAX_EVENTS, |
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PARSE_EVENTS__TERM_TYPE_NOOVERWRITE, |
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PARSE_EVENTS__TERM_TYPE_OVERWRITE, |
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PARSE_EVENTS__TERM_TYPE_DRV_CFG, |
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PARSE_EVENTS__TERM_TYPE_PERCORE, |
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PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT, |
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PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE, |
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__PARSE_EVENTS__TERM_TYPE_NR, |
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}; |
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struct parse_events_array { |
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size_t nr_ranges; |
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struct { |
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unsigned int start; |
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size_t length; |
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} *ranges; |
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}; |
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struct parse_events_term { |
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char *config; |
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struct parse_events_array array; |
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union { |
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char *str; |
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u64 num; |
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} val; |
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int type_val; |
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int type_term; |
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struct list_head list; |
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bool used; |
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bool no_value; |
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/* error string indexes for within parsed string */ |
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int err_term; |
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int err_val; |
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/* Coming from implicit alias */ |
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bool weak; |
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}; |
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struct parse_events_error { |
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int num_errors; /* number of errors encountered */ |
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int idx; /* index in the parsed string */ |
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char *str; /* string to display at the index */ |
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char *help; /* optional help string */ |
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int first_idx;/* as above, but for the first encountered error */ |
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char *first_str; |
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char *first_help; |
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}; |
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struct parse_events_state { |
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struct list_head list; |
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int idx; |
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int nr_groups; |
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struct parse_events_error *error; |
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struct evlist *evlist; |
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struct list_head *terms; |
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int stoken; |
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struct perf_pmu *fake_pmu; |
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char *hybrid_pmu_name; |
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}; |
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void parse_events__handle_error(struct parse_events_error *err, int idx, |
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char *str, char *help); |
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void parse_events__shrink_config_terms(void); |
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int parse_events__is_hardcoded_term(struct parse_events_term *term); |
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int parse_events_term__num(struct parse_events_term **term, |
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int type_term, char *config, u64 num, |
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bool novalue, |
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void *loc_term, void *loc_val); |
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int parse_events_term__str(struct parse_events_term **term, |
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int type_term, char *config, char *str, |
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void *loc_term, void *loc_val); |
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int parse_events_term__sym_hw(struct parse_events_term **term, |
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char *config, unsigned idx); |
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int parse_events_term__clone(struct parse_events_term **new, |
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struct parse_events_term *term); |
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void parse_events_term__delete(struct parse_events_term *term); |
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void parse_events_terms__delete(struct list_head *terms); |
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void parse_events_terms__purge(struct list_head *terms); |
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void parse_events__clear_array(struct parse_events_array *a); |
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int parse_events__modifier_event(struct list_head *list, char *str, bool add); |
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int parse_events__modifier_group(struct list_head *list, char *event_mod); |
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int parse_events_name(struct list_head *list, char *name); |
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int parse_events_add_tracepoint(struct list_head *list, int *idx, |
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const char *sys, const char *event, |
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struct parse_events_error *error, |
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struct list_head *head_config); |
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int parse_events_load_bpf(struct parse_events_state *parse_state, |
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struct list_head *list, |
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char *bpf_file_name, |
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bool source, |
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struct list_head *head_config); |
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/* Provide this function for perf test */ |
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struct bpf_object; |
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int parse_events_load_bpf_obj(struct parse_events_state *parse_state, |
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struct list_head *list, |
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struct bpf_object *obj, |
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struct list_head *head_config); |
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int parse_events_add_numeric(struct parse_events_state *parse_state, |
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struct list_head *list, |
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u32 type, u64 config, |
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struct list_head *head_config); |
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enum perf_tool_event; |
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int parse_events_add_tool(struct parse_events_state *parse_state, |
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struct list_head *list, |
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enum perf_tool_event tool_event); |
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int parse_events_add_cache(struct list_head *list, int *idx, |
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char *type, char *op_result1, char *op_result2, |
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struct parse_events_error *error, |
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struct list_head *head_config, |
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struct parse_events_state *parse_state); |
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int parse_events_add_breakpoint(struct list_head *list, int *idx, |
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u64 addr, char *type, u64 len); |
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int parse_events_add_pmu(struct parse_events_state *parse_state, |
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struct list_head *list, char *name, |
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struct list_head *head_config, |
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bool auto_merge_stats, |
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bool use_alias); |
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struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr, |
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char *name, struct perf_pmu *pmu); |
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int parse_events_multi_pmu_add(struct parse_events_state *parse_state, |
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char *str, |
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struct list_head **listp); |
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int parse_events_copy_term_list(struct list_head *old, |
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struct list_head **new); |
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enum perf_pmu_event_symbol_type |
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perf_pmu__parse_check(const char *name); |
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void parse_events__set_leader(char *name, struct list_head *list, |
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struct parse_events_state *parse_state); |
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void parse_events_update_lists(struct list_head *list_event, |
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struct list_head *list_all); |
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void parse_events_evlist_error(struct parse_events_state *parse_state, |
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int idx, const char *str); |
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void print_events(const char *event_glob, bool name_only, bool quiet, |
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bool long_desc, bool details_flag, bool deprecated); |
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struct event_symbol { |
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const char *symbol; |
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const char *alias; |
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}; |
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extern struct event_symbol event_symbols_hw[]; |
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extern struct event_symbol event_symbols_sw[]; |
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void print_symbol_events(const char *event_glob, unsigned type, |
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struct event_symbol *syms, unsigned max, |
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bool name_only); |
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void print_tool_events(const char *event_glob, bool name_only); |
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void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
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bool name_only); |
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int print_hwcache_events(const char *event_glob, bool name_only); |
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void print_sdt_events(const char *subsys_glob, const char *event_glob, |
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bool name_only); |
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int is_valid_tracepoint(const char *event_string); |
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int valid_event_mount(const char *eventfs); |
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char *parse_events_formats_error_string(char *additional_terms); |
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void parse_events_print_error(struct parse_events_error *err, |
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const char *event); |
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#ifdef HAVE_LIBELF_SUPPORT |
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/* |
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* If the probe point starts with '%', |
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* or starts with "sdt_" and has a ':' but no '=', |
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* then it should be a SDT/cached probe point. |
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*/ |
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static inline bool is_sdt_event(char *str) |
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{ |
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return (str[0] == '%' || |
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(!strncmp(str, "sdt_", 4) && |
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!!strchr(str, ':') && !strchr(str, '='))); |
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} |
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#else |
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static inline bool is_sdt_event(char *str __maybe_unused) |
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{ |
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return false; |
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} |
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#endif /* HAVE_LIBELF_SUPPORT */ |
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int perf_pmu__test_parse_init(void); |
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struct evsel *parse_events__add_event_hybrid(struct list_head *list, int *idx, |
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struct perf_event_attr *attr, |
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char *name, struct perf_pmu *pmu, |
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struct list_head *config_terms); |
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#endif /* __PERF_PARSE_EVENTS_H */
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