rtla/src/osnoise_hist.c

162 	tracefs_hist_pause(tool->trace.inst, data->trace_hist);
163 	tracefs_hist_destroy(tool->trace.inst, data->trace_hist);
183 	data->trace_hist = tracefs_hist_alloc(tool->trace.tep, "osnoise", "sample_threshold",
192 	retval = tracefs_hist_start(tool->trace.inst, data->trace_hist);
212 	tracefs_hist_pause(tool->trace.inst, data->trace_hist);
214 	content = tracefs_event_file_read(tool->trace.inst, "osnoise",
258 	struct trace_seq *s = tool->trace.seq;
296 		       struct trace_instance *trace,
305 		trace_seq_printf(trace->seq, "count:");
314 		trace_seq_printf(trace->seq, "%9d ", data->hist[cpu].count);
316 	trace_seq_printf(trace->seq, "\n");
319 		trace_seq_printf(trace->seq, "min:  ");
328 		trace_seq_printf(trace->seq, "%9llu ",	data->hist[cpu].min_sample);
331 	trace_seq_printf(trace->seq, "\n");
334 		trace_seq_printf(trace->seq, "avg:  ");
344 			trace_seq_printf(trace->seq, "%9.2f ",
347 			trace_seq_printf(trace->seq, "        - ");
349 	trace_seq_printf(trace->seq, "\n");
352 		trace_seq_printf(trace->seq, "max:  ");
361 		trace_seq_printf(trace->seq, "%9llu ", data->hist[cpu].max_sample);
364 	trace_seq_printf(trace->seq, "\n");
365 	trace_seq_do_printf(trace->seq);
366 	trace_seq_reset(trace->seq);
376 	struct trace_instance *trace = &tool->trace;
386 			trace_seq_printf(trace->seq, "%-6d",
397 			trace_seq_printf(trace->seq, "%9d ", data->hist[cpu].samples[bucket]);
401 			trace_seq_reset(trace->seq);
405 		trace_seq_printf(trace->seq, "\n");
406 		trace_seq_do_printf(trace->seq);
407 		trace_seq_reset(trace->seq);
411 		trace_seq_printf(trace->seq, "over: ");
420 		trace_seq_printf(trace->seq, "%9d ",
423 	trace_seq_printf(trace->seq, "\n");
424 	trace_seq_do_printf(trace->seq);
425 	trace_seq_reset(trace->seq);
427 	osnoise_print_summary(params, trace, data);
445 		"	  -a/--auto: set automatic trace mode, stopping the session if argument in us sample is hit",
448 		"	  -s/--stop us: stop trace if a single sample is higher than the argument in us",
449 		"	  -S/--stop-total us: stop trace if the total sample is higher than the argument in us",
456 		"	  -t/--trace[file]: save the stopped trace to [file|osnoise_trace.txt]",
457 		"	  -e/--event <sys:event>: enable the <sys:event> in the trace instance, multiple -e are allowed",
458 		"	     --filter <filter>: enable a trace event filter to the previous -e event",
459 		"	     --trigger <trigger>: enable a trace event trigger to the previous -e event",
473 		"	     --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
528 			{"trace",		optional_argument,	0, 't'},
538 			{"trace-buffer-size",	required_argument,	0, '7'},
560 			/* set trace */
596 				err_msg("Error alloc trace event");
843 	struct trace_instance *trace;
863 	trace = &tool->trace;
865 	retval = enable_osnoise(trace);
894 			err_msg("Failed to enable the trace instance\n");
899 			retval = trace_events_enable(&record->trace, params->events);
905 			retval = trace_set_buffer_size(&record->trace, params->buffer_size);
914 	 * Let the trace instance start first for the case of hitting a stop
915 	 * tracing while enabling other instances. The trace instance is the
919 		trace_instance_start(&record->trace);
920 	trace_instance_start(trace);
933 		retval = tracefs_instance_file_write(trace->inst, "trace", "");
947 		retval = tracefs_iterate_raw_events(trace->tep,
948 						    trace->inst,
952 						    trace);
958 		if (trace_is_off(&tool->trace, &record->trace))
968 	if (trace_is_off(&tool->trace, &record->trace)) {
971 			printf("  Saving trace to %s\n", params->trace_output);
972 			save_trace_to_file(record->trace.inst, params->trace_output);
977 	trace_events_destroy(&record->trace, params->events);