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