1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_UTIL_TRACE_EVENT_H 3 #define _PERF_UTIL_TRACE_EVENT_H 4 5 #include <stdbool.h> 6 #include <stdio.h> 7 #include <sys/types.h> 8 #include <linux/types.h> 9 10 struct evlist; 11 struct machine; 12 struct perf_sample; 13 union perf_event; 14 struct perf_tool; 15 struct thread; 16 struct tep_plugin_list; 17 struct evsel; 18 19 struct trace_event { 20 struct tep_handle *pevent; 21 struct tep_plugin_list *plugin_list; 22 }; 23 24 typedef char *(tep_func_resolver_t)(void *priv, 25 unsigned long long *addrp, char **modp); 26 27 bool have_tracepoints(struct list_head *evlist); 28 29 int trace_event__init(struct trace_event *t); 30 void trace_event__cleanup(struct trace_event *t); 31 int trace_event__register_resolver(struct machine *machine, 32 tep_func_resolver_t *func); 33 struct tep_event* 34 trace_event__tp_format(const char *sys, const char *name); 35 36 struct tep_event *trace_event__tp_format_id(int id); 37 38 void event_format__fprintf(struct tep_event *event, 39 int cpu, void *data, int size, FILE *fp); 40 41 void event_format__print(struct tep_event *event, 42 int cpu, void *data, int size); 43 44 int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size); 45 int parse_event_file(struct tep_handle *pevent, 46 char *buf, unsigned long size, char *sys); 47 48 unsigned long long 49 raw_field_value(struct tep_event *event, const char *name, void *data); 50 51 void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size); 52 void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size); 53 void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size); 54 55 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); 56 57 unsigned long long read_size(struct tep_event *event, void *ptr, int size); 58 unsigned long long eval_flag(const char *flag); 59 60 int read_tracing_data(int fd, struct list_head *pattrs); 61 62 struct tracing_data { 63 /* size is only valid if temp is 'true' */ 64 ssize_t size; 65 bool temp; 66 char temp_file[50]; 67 }; 68 69 struct tracing_data *tracing_data_get(struct list_head *pattrs, 70 int fd, bool temp); 71 int tracing_data_put(struct tracing_data *tdata); 72 73 74 struct addr_location; 75 76 struct perf_session; 77 struct perf_stat_config; 78 79 struct scripting_ops { 80 const char *name; 81 const char *dirname; /* For script path .../scripts/<dirname>/... */ 82 int (*start_script)(const char *script, int argc, const char **argv, 83 struct perf_session *session); 84 int (*flush_script) (void); 85 int (*stop_script) (void); 86 void (*process_event) (union perf_event *event, 87 struct perf_sample *sample, 88 struct evsel *evsel, 89 struct addr_location *al, 90 struct addr_location *addr_al); 91 void (*process_switch)(union perf_event *event, 92 struct perf_sample *sample, 93 struct machine *machine); 94 void (*process_auxtrace_error)(struct perf_session *session, 95 union perf_event *event); 96 void (*process_stat)(struct perf_stat_config *config, 97 struct evsel *evsel, u64 tstamp); 98 void (*process_stat_interval)(u64 tstamp); 99 void (*process_throttle)(union perf_event *event, 100 struct perf_sample *sample, 101 struct machine *machine); 102 int (*generate_script) (struct tep_handle *pevent, const char *outfile); 103 }; 104 105 extern unsigned int scripting_max_stack; 106 107 int script_spec_register(const char *spec, struct scripting_ops *ops); 108 109 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 110 struct machine *machine); 111 112 void setup_perl_scripting(void); 113 void setup_python_scripting(void); 114 115 struct scripting_context { 116 struct tep_handle *pevent; 117 void *event_data; 118 union perf_event *event; 119 struct perf_sample *sample; 120 struct evsel *evsel; 121 struct addr_location *al; 122 struct addr_location *addr_al; 123 struct perf_session *session; 124 }; 125 126 void scripting_context__update(struct scripting_context *scripting_context, 127 union perf_event *event, 128 struct perf_sample *sample, 129 struct evsel *evsel, 130 struct addr_location *al, 131 struct addr_location *addr_al); 132 133 int common_pc(struct scripting_context *context); 134 int common_flags(struct scripting_context *context); 135 int common_lock_depth(struct scripting_context *context); 136 137 #define SAMPLE_FLAGS_BUF_SIZE 64 138 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz); 139 140 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 141