diff options
Diffstat (limited to 'include/linux/trace_events.h')
| -rw-r--r-- | include/linux/trace_events.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 07b83532a3c6..bf03d12efb28 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -416,6 +416,32 @@ extern int synth_event_add_fields(struct dynevent_cmd *cmd, #define synth_event_gen_cmd_end(cmd) \ dynevent_create(cmd) +struct synth_event; + +struct synth_event_trace_state { + struct trace_event_buffer fbuffer; + struct synth_trace_event *entry; + struct trace_buffer *buffer; + struct synth_event *event; + unsigned int cur_field; + unsigned int n_u64; + bool enabled; + bool add_next; + bool add_name; +}; + +extern int synth_event_trace(struct trace_event_file *file, + unsigned int n_vals, ...); +extern int synth_event_trace_array(struct trace_event_file *file, u64 *vals, + unsigned int n_vals); +extern int synth_event_trace_start(struct trace_event_file *file, + struct synth_event_trace_state *trace_state); +extern int synth_event_add_next_val(u64 val, + struct synth_event_trace_state *trace_state); +extern int synth_event_add_val(const char *field_name, u64 val, + struct synth_event_trace_state *trace_state); +extern int synth_event_trace_end(struct synth_event_trace_state *trace_state); + /* * Event file flags: * ENABLED - The event is enabled |