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 struct evsel; 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 unsigned long long read_size(struct tep_event *event, void *ptr, int size); 52 unsigned long long eval_flag(const char *flag); 53 54 int read_tracing_data(int fd, struct list_head *pattrs); 55 56 struct tracing_data { 57 /* size is only valid if temp is 'true' */ 58 ssize_t size; 59 bool temp; 60 char temp_file[50]; 61 }; 62 63 struct tracing_data *tracing_data_get(struct list_head *pattrs, 64 int fd, bool temp); 65 int tracing_data_put(struct tracing_data *tdata); 66 67 68 struct addr_location; 69 70 struct perf_session; 71 struct perf_stat_config; 72 73 struct scripting_ops { 74 const char *name; 75 const char *dirname; /* For script path .../scripts/<dirname>/... */ 76 int (*start_script)(const char *script, int argc, const char **argv, 77 struct perf_session *session); 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 evsel *evsel, 83 struct addr_location *al, 84 struct addr_location *addr_al); 85 void (*process_switch)(union perf_event *event, 86 struct perf_sample *sample, 87 struct machine *machine); 88 void (*process_auxtrace_error)(struct perf_session *session, 89 union perf_event *event); 90 void (*process_stat)(struct perf_stat_config *config, 91 struct evsel *evsel, u64 tstamp); 92 void (*process_stat_interval)(u64 tstamp); 93 void (*process_throttle)(union perf_event *event, 94 struct perf_sample *sample, 95 struct machine *machine); 96 int (*generate_script) (struct tep_handle *pevent, const char *outfile); 97 }; 98 99 extern unsigned int scripting_max_stack; 100 101 int script_spec_register(const char *spec, struct scripting_ops *ops); 102 103 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 104 struct machine *machine); 105 106 void setup_perl_scripting(void); 107 void setup_python_scripting(void); 108 109 struct scripting_context { 110 struct tep_handle *pevent; 111 void *event_data; 112 union perf_event *event; 113 struct perf_sample *sample; 114 struct evsel *evsel; 115 struct addr_location *al; 116 struct addr_location *addr_al; 117 struct perf_session *session; 118 }; 119 120 void scripting_context__update(struct scripting_context *scripting_context, 121 union perf_event *event, 122 struct perf_sample *sample, 123 struct evsel *evsel, 124 struct addr_location *al, 125 struct addr_location *addr_al); 126 127 int common_pc(struct scripting_context *context); 128 int common_flags(struct scripting_context *context); 129 int common_lock_depth(struct scripting_context *context); 130 131 #define SAMPLE_FLAGS_BUF_SIZE 64 132 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz); 133 134 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 135