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 tep_plugin_list; 14 15 struct trace_event { 16 struct tep_handle *pevent; 17 struct tep_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 tep_func_resolver_t *func); 24 struct tep_event* 25 trace_event__tp_format(const char *sys, const char *name); 26 27 struct tep_event *trace_event__tp_format_id(int id); 28 29 int bigendian(void); 30 31 void event_format__fprintf(struct tep_event *event, 32 int cpu, void *data, int size, FILE *fp); 33 34 void event_format__print(struct tep_event *event, 35 int cpu, void *data, int size); 36 37 int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size); 38 int parse_event_file(struct tep_handle *pevent, 39 char *buf, unsigned long size, char *sys); 40 41 unsigned long long 42 raw_field_value(struct tep_event *event, const char *name, void *data); 43 44 void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size); 45 void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size); 46 void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size); 47 48 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); 49 50 unsigned long long read_size(struct tep_event *event, void *ptr, int size); 51 unsigned long long eval_flag(const char *flag); 52 53 int read_tracing_data(int fd, struct list_head *pattrs); 54 55 struct tracing_data { 56 /* size is only valid if temp is 'true' */ 57 ssize_t size; 58 bool temp; 59 char temp_file[50]; 60 }; 61 62 struct tracing_data *tracing_data_get(struct list_head *pattrs, 63 int fd, bool temp); 64 int tracing_data_put(struct tracing_data *tdata); 65 66 67 struct addr_location; 68 69 struct perf_session; 70 struct perf_stat_config; 71 72 struct scripting_ops { 73 const char *name; 74 int (*start_script) (const char *script, int argc, const char **argv); 75 int (*flush_script) (void); 76 int (*stop_script) (void); 77 void (*process_event) (union perf_event *event, 78 struct perf_sample *sample, 79 struct evsel *evsel, 80 struct addr_location *al); 81 void (*process_switch)(union perf_event *event, 82 struct perf_sample *sample, 83 struct machine *machine); 84 void (*process_stat)(struct perf_stat_config *config, 85 struct evsel *evsel, u64 tstamp); 86 void (*process_stat_interval)(u64 tstamp); 87 int (*generate_script) (struct tep_handle *pevent, const char *outfile); 88 }; 89 90 extern unsigned int scripting_max_stack; 91 92 int script_spec_register(const char *spec, struct scripting_ops *ops); 93 94 void setup_perl_scripting(void); 95 void setup_python_scripting(void); 96 97 struct scripting_context { 98 struct tep_handle *pevent; 99 void *event_data; 100 }; 101 102 int common_pc(struct scripting_context *context); 103 int common_flags(struct scripting_context *context); 104 int common_lock_depth(struct scripting_context *context); 105 106 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 107
