1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_UTIL_TRACE_EVENT_H
3 #define _PERF_UTIL_TRACE_EVENT_H
8 #include <linux/types.h>
16 struct tep_plugin_list;
20 struct tep_handle *pevent;
21 struct tep_plugin_list *plugin_list;
24 /* Computes a version number comparable with LIBTRACEEVENT_VERSION from Makefile.config. */
25 #define MAKE_LIBTRACEEVENT_VERSION(a, b, c) ((a)*255*255+(b)*255+(c))
27 typedef char *(tep_func_resolver_t)(void *priv,
28 unsigned long long *addrp, char **modp);
30 bool have_tracepoints(struct list_head *evlist);
32 int trace_event__init(struct trace_event *t);
33 void trace_event__cleanup(struct trace_event *t);
34 int trace_event__register_resolver(struct machine *machine,
35 tep_func_resolver_t *func);
37 trace_event__tp_format(const char *sys, const char *name);
39 struct tep_event *trace_event__tp_format_id(int id);
41 void event_format__fprintf(struct tep_event *event,
42 int cpu, void *data, int size, FILE *fp);
44 void event_format__print(struct tep_event *event,
45 int cpu, void *data, int size);
47 int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size);
48 int parse_event_file(struct tep_handle *pevent,
49 char *buf, unsigned long size, char *sys);
52 raw_field_value(struct tep_event *event, const char *name, void *data);
54 void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size);
55 void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size);
56 void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size);
58 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
60 unsigned long long read_size(struct tep_event *event, void *ptr, int size);
61 unsigned long long eval_flag(const char *flag);
63 int read_tracing_data(int fd, struct list_head *pattrs);
66 * Return the tracepoint name in the format "subsystem:event_name",
67 * callers should free the returned string.
69 char *tracepoint_id_to_name(u64 config);
72 /* size is only valid if temp is 'true' */
78 struct tracing_data *tracing_data_get(struct list_head *pattrs,
80 int tracing_data_put(struct tracing_data *tdata);
86 struct perf_stat_config;
88 struct scripting_ops {
90 const char *dirname; /* For script path .../scripts/<dirname>/... */
91 int (*start_script)(const char *script, int argc, const char **argv,
92 struct perf_session *session);
93 int (*flush_script) (void);
94 int (*stop_script) (void);
95 void (*process_event) (union perf_event *event,
96 struct perf_sample *sample,
98 struct addr_location *al,
99 struct addr_location *addr_al);
100 void (*process_switch)(union perf_event *event,
101 struct perf_sample *sample,
102 struct machine *machine);
103 void (*process_auxtrace_error)(struct perf_session *session,
104 union perf_event *event);
105 void (*process_stat)(struct perf_stat_config *config,
106 struct evsel *evsel, u64 tstamp);
107 void (*process_stat_interval)(u64 tstamp);
108 void (*process_throttle)(union perf_event *event,
109 struct perf_sample *sample,
110 struct machine *machine);
111 int (*generate_script) (struct tep_handle *pevent, const char *outfile);
114 extern unsigned int scripting_max_stack;
116 int script_spec_register(const char *spec, struct scripting_ops *ops);
118 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
119 struct machine *machine);
121 void setup_perl_scripting(void);
122 void setup_python_scripting(void);
124 struct scripting_context {
125 struct tep_handle *pevent;
127 union perf_event *event;
128 struct perf_sample *sample;
130 struct addr_location *al;
131 struct addr_location *addr_al;
132 struct perf_session *session;
135 void scripting_context__update(struct scripting_context *scripting_context,
136 union perf_event *event,
137 struct perf_sample *sample,
139 struct addr_location *al,
140 struct addr_location *addr_al);
142 int common_pc(struct scripting_context *context);
143 int common_flags(struct scripting_context *context);
144 int common_lock_depth(struct scripting_context *context);
146 #define SAMPLE_FLAGS_BUF_SIZE 64
147 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz);
149 #if defined(LIBTRACEEVENT_VERSION) && LIBTRACEEVENT_VERSION >= MAKE_LIBTRACEEVENT_VERSION(1, 5, 0)
150 #include <traceevent/event-parse.h>
152 static inline bool tep_field_is_relative(unsigned long flags)
154 return (flags & TEP_FIELD_IS_RELATIVE) != 0;
157 #include <linux/compiler.h>
159 static inline bool tep_field_is_relative(unsigned long flags __maybe_unused)
165 #endif /* _PERF_UTIL_TRACE_EVENT_H */