1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_UTIL_TRACE_EVENT_H 3 #define _PERF_UTIL_TRACE_EVENT_H 4 5 #include <traceevent/event-parse.h> 6 #include "parse-events.h" 7 8 struct machine; 9 struct perf_sample; 10 union perf_event; 11 struct perf_tool; 12 struct thread; 13 struct plugin_list; 14 15 struct trace_event { 16 struct pevent *pevent; 17 struct plugin_list *plugin_list; 18 }; 19 20 int trace_event__init(struct trace_event *t); 21 void trace_event__cleanup(struct trace_event *t); 22 int trace_event__register_resolver(struct machine *machine, 23 pevent_func_resolver_t *func); 24 struct event_format* 25 trace_event__tp_format(const char *sys, const char *name); 26 27 struct event_format *trace_event__tp_format_id(int id); 28 29 int bigendian(void); 30 31 void event_format__fprintf(struct event_format *event, 32 int cpu, void *data, int size, FILE *fp); 33 34 void event_format__print(struct event_format *event, 35 int cpu, void *data, int size); 36 37 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size); 38 int parse_event_file(struct pevent *pevent, 39 char *buf, unsigned long size, char *sys); 40 41 unsigned long long 42 raw_field_value(struct event_format *event, const char *name, void *data); 43 44 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size); 45 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size); 46 void parse_saved_cmdline(struct pevent *pevent, char *file, unsigned int size); 47 48 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); 49 50 struct event_format *trace_find_next_event(struct pevent *pevent, 51 struct event_format *event); 52 unsigned long long read_size(struct event_format *event, void *ptr, int size); 53 unsigned long long eval_flag(const char *flag); 54 55 int read_tracing_data(int fd, struct list_head *pattrs); 56 57 struct tracing_data { 58 /* size is only valid if temp is 'true' */ 59 ssize_t size; 60 bool temp; 61 char temp_file[50]; 62 }; 63 64 struct tracing_data *tracing_data_get(struct list_head *pattrs, 65 int fd, bool temp); 66 int tracing_data_put(struct tracing_data *tdata); 67 68 69 struct addr_location; 70 71 struct perf_session; 72 struct perf_stat_config; 73 74 struct scripting_ops { 75 const char *name; 76 int (*start_script) (const char *script, int argc, const char **argv); 77 int (*flush_script) (void); 78 int (*stop_script) (void); 79 void (*process_event) (union perf_event *event, 80 struct perf_sample *sample, 81 struct perf_evsel *evsel, 82 struct addr_location *al); 83 void (*process_stat)(struct perf_stat_config *config, 84 struct perf_evsel *evsel, u64 tstamp); 85 void (*process_stat_interval)(u64 tstamp); 86 int (*generate_script) (struct pevent *pevent, const char *outfile); 87 }; 88 89 extern unsigned int scripting_max_stack; 90 91 int script_spec_register(const char *spec, struct scripting_ops *ops); 92 93 void setup_perl_scripting(void); 94 void setup_python_scripting(void); 95 96 struct scripting_context { 97 struct pevent *pevent; 98 void *event_data; 99 }; 100 101 int common_pc(struct scripting_context *context); 102 int common_flags(struct scripting_context *context); 103 int common_lock_depth(struct scripting_context *context); 104 105 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 106