rtla/src/timerlat_hist.c

220 	struct trace_instance *trace = data;
225 	tool = container_of(trace, struct osnoise_tool, trace);
242 	struct trace_seq *s = tool->trace.seq;
288 		       struct trace_instance *trace,
297 		trace_seq_printf(trace->seq, "count:");
307 			trace_seq_printf(trace->seq, "%9d ",
311 			trace_seq_printf(trace->seq, "%9d ",
315 			trace_seq_printf(trace->seq, "%9d ",
318 	trace_seq_printf(trace->seq, "\n");
321 		trace_seq_printf(trace->seq, "min:  ");
332 				trace_seq_printf(trace->seq, "%9llu ",
335 				trace_seq_printf(trace->seq, "        - ");
340 				trace_seq_printf(trace->seq, "%9llu ",
343 				trace_seq_printf(trace->seq, "        - ");
348 				trace_seq_printf(trace->seq, "%9llu ",
351 				trace_seq_printf(trace->seq, "        - ");
354 	trace_seq_printf(trace->seq, "\n");
357 		trace_seq_printf(trace->seq, "avg:  ");
368 				trace_seq_printf(trace->seq, "%9llu ",
371 				trace_seq_printf(trace->seq, "        - ");
376 				trace_seq_printf(trace->seq, "%9llu ",
379 				trace_seq_printf(trace->seq, "        - ");
384 				trace_seq_printf(trace->seq, "%9llu ",
387 				trace_seq_printf(trace->seq, "        - ");
390 	trace_seq_printf(trace->seq, "\n");
393 		trace_seq_printf(trace->seq, "max:  ");
404 				trace_seq_printf(trace->seq, "%9llu ",
407 				trace_seq_printf(trace->seq, "        - ");
412 				trace_seq_printf(trace->seq, "%9llu ",
415 				trace_seq_printf(trace->seq, "        - ");
420 				trace_seq_printf(trace->seq, "%9llu ",
423 				trace_seq_printf(trace->seq, "        - ");
426 	trace_seq_printf(trace->seq, "\n");
427 	trace_seq_do_printf(trace->seq);
428 	trace_seq_reset(trace->seq);
433 			 struct trace_instance *trace,
474 		trace_seq_printf(trace->seq, "ALL:  ");
477 		trace_seq_printf(trace->seq, "      IRQ");
480 		trace_seq_printf(trace->seq, "       Thr");
483 		trace_seq_printf(trace->seq, "       Usr");
485 	trace_seq_printf(trace->seq, "\n");
488 		trace_seq_printf(trace->seq, "count:");
491 		trace_seq_printf(trace->seq, "%9d ",
495 		trace_seq_printf(trace->seq, "%9d ",
499 		trace_seq_printf(trace->seq, "%9d ",
502 	trace_seq_printf(trace->seq, "\n");
505 		trace_seq_printf(trace->seq, "min:  ");
508 		trace_seq_printf(trace->seq, "%9llu ",
512 		trace_seq_printf(trace->seq, "%9llu ",
516 		trace_seq_printf(trace->seq, "%9llu ",
519 	trace_seq_printf(trace->seq, "\n");
522 		trace_seq_printf(trace->seq, "avg:  ");
525 		trace_seq_printf(trace->seq, "%9llu ",
529 		trace_seq_printf(trace->seq, "%9llu ",
533 		trace_seq_printf(trace->seq, "%9llu ",
536 	trace_seq_printf(trace->seq, "\n");
539 		trace_seq_printf(trace->seq, "max:  ");
542 		trace_seq_printf(trace->seq, "%9llu ",
546 		trace_seq_printf(trace->seq, "%9llu ",
550 		trace_seq_printf(trace->seq, "%9llu ",
553 	trace_seq_printf(trace->seq, "\n");
554 	trace_seq_do_printf(trace->seq);
555 	trace_seq_reset(trace->seq);
565 	struct trace_instance *trace = &tool->trace;
575 			trace_seq_printf(trace->seq, "%-6d",
587 				trace_seq_printf(trace->seq, "%9d ",
593 				trace_seq_printf(trace->seq, "%9d ",
599 				trace_seq_printf(trace->seq, "%9d ",
606 			trace_seq_reset(trace->seq);
610 		trace_seq_printf(trace->seq, "\n");
611 		trace_seq_do_printf(trace->seq);
612 		trace_seq_reset(trace->seq);
616 		trace_seq_printf(trace->seq, "over: ");
626 			trace_seq_printf(trace->seq, "%9d ",
630 			trace_seq_printf(trace->seq, "%9d ",
634 			trace_seq_printf(trace->seq, "%9d ",
637 	trace_seq_printf(trace->seq, "\n");
638 	trace_seq_do_printf(trace->seq);
639 	trace_seq_reset(trace->seq);
641 	timerlat_print_summary(params, trace, data);
642 	timerlat_print_stats_all(params, trace, data);
661 		"	  -a/--auto: set automatic trace mode, stopping the session if argument in us latency is hit",
663 		"	  -i/--irq us: stop trace if the irq latency is higher than the argument in us",
664 		"	  -T/--thread us: stop trace if the thread latency is higher than the argument in us",
665 		"	  -s/--stack us: save the stack trace at the IRQ if a thread latency is higher than the argument in us",
672 		"	  -t/--trace[file]: save the stopped trace to [file|timerlat_trace.txt]",
673 		"	  -e/--event <sys:event>: enable the <sys:event> in the trace instance, multiple -e are allowed",
674 		"	     --filter <filter>: enable a trace event filter to the previous -e event",
675 		"	     --trigger <trigger>: enable a trace event trigger to the previous -e event",
697 		"	     --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
757 			{"trace",		optional_argument,	0, 't'},
774 			{"trace-buffer-size",	required_argument,	0, '\3'},
796 			/* get stack trace */
799 			/* set trace */
835 				err_msg("Error alloc trace event");
1114 	tep_register_event_handler(tool->trace.tep, -1, "ftrace", "timerlat",
1150 	struct trace_instance *trace;
1172 	trace = &tool->trace;
1174 	retval = enable_timerlat(trace);
1207 			err_msg("Failed to enable the trace instance\n");
1212 			retval = trace_events_enable(&record->trace, params->events);
1218 			retval = trace_set_buffer_size(&record->trace, params->buffer_size);
1235 		retval = enable_timerlat(&aa->trace);
1271 	 * Let the trace instance start first for the case of hitting a stop
1272 	 * tracing while enabling other instances. The trace instance is the
1276 		trace_instance_start(&record->trace);
1278 		trace_instance_start(&aa->trace);
1279 	trace_instance_start(trace);
1287 		retval = tracefs_iterate_raw_events(trace->tep,
1288 						    trace->inst,
1292 						    trace);
1298 		if (trace_is_off(&tool->trace, &record->trace))
1319 	if (trace_is_off(&tool->trace, &record->trace)) {
1326 			printf("  Saving trace to %s\n", params->trace_output);
1327 			save_trace_to_file(record->trace.inst, params->trace_output);
1335 	trace_events_destroy(&record->trace, params->events);