rtla/src/osnoise_hist.c

161 	tracefs_hist_pause(tool->trace.inst, data->trace_hist);
162 	tracefs_hist_destroy(tool->trace.inst, data->trace_hist);
182 	data->trace_hist = tracefs_hist_alloc(tool->trace.tep, "osnoise", "sample_threshold",
191 	retval = tracefs_hist_start(tool->trace.inst, data->trace_hist);
211 	tracefs_hist_pause(tool->trace.inst, data->trace_hist);
213 	content = tracefs_event_file_read(tool->trace.inst, "osnoise",
257 	struct trace_seq *s = tool->trace.seq;
295 		       struct trace_instance *trace,
304 		trace_seq_printf(trace->seq, "count:");
313 		trace_seq_printf(trace->seq, "%9d ", data->hist[cpu].count);
315 	trace_seq_printf(trace->seq, "\n");
318 		trace_seq_printf(trace->seq, "min:  ");
327 		trace_seq_printf(trace->seq, "%9llu ",	data->hist[cpu].min_sample);
330 	trace_seq_printf(trace->seq, "\n");
333 		trace_seq_printf(trace->seq, "avg:  ");
343 			trace_seq_printf(trace->seq, "%9.2f ",
346 			trace_seq_printf(trace->seq, "        - ");
348 	trace_seq_printf(trace->seq, "\n");
351 		trace_seq_printf(trace->seq, "max:  ");
360 		trace_seq_printf(trace->seq, "%9llu ", data->hist[cpu].max_sample);
363 	trace_seq_printf(trace->seq, "\n");
364 	trace_seq_do_printf(trace->seq);
365 	trace_seq_reset(trace->seq);
375 	struct trace_instance *trace = &tool->trace;
385 			trace_seq_printf(trace->seq, "%-6d",
396 			trace_seq_printf(trace->seq, "%9d ", data->hist[cpu].samples[bucket]);
400 			trace_seq_reset(trace->seq);
404 		trace_seq_printf(trace->seq, "\n");
405 		trace_seq_do_printf(trace->seq);
406 		trace_seq_reset(trace->seq);
410 		trace_seq_printf(trace->seq, "over: ");
419 		trace_seq_printf(trace->seq, "%9d ",
422 	trace_seq_printf(trace->seq, "\n");
423 	trace_seq_do_printf(trace->seq);
424 	trace_seq_reset(trace->seq);
426 	osnoise_print_summary(params, trace, data);
444 		"	  -a/--auto: set automatic trace mode, stopping the session if argument in us sample is hit",
447 		"	  -s/--stop us: stop trace if a single sample is higher than the argument in us",
448 		"	  -S/--stop-total us: stop trace if the total sample is higher than the argument in us",
455 		"	  -t/--trace[=file]: save the stopped trace to [file|osnoise_trace.txt]",
456 		"	  -e/--event <sys:event>: enable the <sys:event> in the trace instance, multiple -e are allowed",
457 		"	     --filter <filter>: enable a trace event filter to the previous -e event",
458 		"	     --trigger <trigger>: enable a trace event trigger to the previous -e event",
525 			{"trace",		optional_argument,	0, 't'},
555 			/* set trace */
591 				err_msg("Error alloc trace event");
828 	struct trace_instance *trace;
848 	trace = &tool->trace;
850 	retval = enable_osnoise(trace);
879 			err_msg("Failed to enable the trace instance\n");
884 			retval = trace_events_enable(&record->trace, params->events);
894 	 * Let the trace instance start first for the case of hitting a stop
895 	 * tracing while enabling other instances. The trace instance is the
899 		trace_instance_start(&record->trace);
900 	trace_instance_start(trace);
908 		retval = tracefs_iterate_raw_events(trace->tep,
909 						    trace->inst,
913 						    trace);
919 		if (trace_is_off(&tool->trace, &record->trace))
929 	if (trace_is_off(&tool->trace, &record->trace)) {
932 			printf("  Saving trace to %s\n", params->trace_output);
933 			save_trace_to_file(record->trace.inst, params->trace_output);
938 	trace_events_destroy(&record->trace, params->events);