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 <traceevent/trace-seq.h> 7 #include "parse-events.h" 8 9 struct machine; 10 struct perf_sample; 11 union perf_event; 12 struct perf_tool; 13 struct thread; 14 struct tep_plugin_list; 15 16 struct trace_event { 17 struct tep_handle *pevent; 18 struct tep_plugin_list *plugin_list; 19 }; 20 21 int trace_event__init(struct trace_event *t); 22 void trace_event__cleanup(struct trace_event *t); 23 int trace_event__register_resolver(struct machine *machine, 24 tep_func_resolver_t *func); 25 struct tep_event* 26 trace_event__tp_format(const char *sys, const char *name); 27 28 struct tep_event *trace_event__tp_format_id(int id); 29 30 int bigendian(void); 31 32 void event_format__fprintf(struct tep_event *event, 33 int cpu, void *data, int size, FILE *fp); 34 35 void event_format__print(struct tep_event *event, 36 int cpu, void *data, int size); 37 38 int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size); 39 int parse_event_file(struct tep_handle *pevent, 40 char *buf, unsigned long size, char *sys); 41 42 unsigned long long 43 raw_field_value(struct tep_event *event, const char *name, void *data); 44 45 void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size); 46 void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size); 47 void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size); 48 49 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); 50 51 struct tep_event *trace_find_next_event(struct tep_handle *pevent, 52 struct tep_event *event); 53 unsigned long long read_size(struct tep_event *event, void *ptr, int size); 54 unsigned long long eval_flag(const char *flag); 55 56 int read_tracing_data(int fd, struct list_head *pattrs); 57 58 struct tracing_data { 59 /* size is only valid if temp is 'true' */ 60 ssize_t size; 61 bool temp; 62 char temp_file[50]; 63 }; 64 65 struct tracing_data *tracing_data_get(struct list_head *pattrs, 66 int fd, bool temp); 67 int tracing_data_put(struct tracing_data *tdata); 68 69 70 struct addr_location; 71 72 struct perf_session; 73 struct perf_stat_config; 74 75 struct scripting_ops { 76 const char *name; 77 int (*start_script) (const char *script, int argc, const char **argv); 78 int (*flush_script) (void); 79 int (*stop_script) (void); 80 void (*process_event) (union perf_event *event, 81 struct perf_sample *sample, 82 struct perf_evsel *evsel, 83 struct addr_location *al); 84 void (*process_switch)(union perf_event *event, 85 struct perf_sample *sample, 86 struct machine *machine); 87 void (*process_stat)(struct perf_stat_config *config, 88 struct perf_evsel *evsel, u64 tstamp); 89 void (*process_stat_interval)(u64 tstamp); 90 int (*generate_script) (struct tep_handle *pevent, const char *outfile); 91 }; 92 93 extern unsigned int scripting_max_stack; 94 95 int script_spec_register(const char *spec, struct scripting_ops *ops); 96 97 void setup_perl_scripting(void); 98 void setup_python_scripting(void); 99 100 struct scripting_context { 101 struct tep_handle *pevent; 102 void *event_data; 103 }; 104 105 int common_pc(struct scripting_context *context); 106 int common_flags(struct scripting_context *context); 107 int common_lock_depth(struct scripting_context *context); 108 109 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 110