perf/bench/synthesize.c

1 // SPDX-License-Identifier: GPL-2.0
4  * record'. Synthesis is done on the current process and the 'dummy' event
14 #include "../util/synthetic-events.h"
22 #include <subcmd/parse-options.h>
33 	OPT_BOOLEAN('t', "mt", &run_mt, "Run multi-threaded benchmark"),
34 	OPT_UINTEGER('m', "min-threads", &min_threads,
36 	OPT_UINTEGER('M', "max-threads", &max_threads,
38 	OPT_UINTEGER('i', "single-iterations", &single_iterations,
39 		"Number of iterations used to compute single-threaded average"),
40 	OPT_UINTEGER('I', "multi-iterations", &multi_iterations,
41 		"Number of iterations used to compute multi-threaded average"),
79 		err = __machine__synthesize_threads(&session->machines.host,  in do_run_single_threaded()
97 	printf("  Average %ssynthesis took: %.3f usec (+- %.3f usec)\n",  in do_run_single_threaded()
102 	printf("  Average num. events: %.3f (+- %.3f)\n",  in do_run_single_threaded()
105 	printf("  Average time per event %.3f usec\n",  in do_run_single_threaded()
128 		err = -ENOMEM;  in run_single_threaded()
134 "synthesizing events on the perf process itself:");  in run_single_threaded()
170 		err = __machine__synthesize_threads(&session->machines.host,  in do_run_multi_threaded()
191 	printf("    Average synthesis took: %.3f usec (+- %.3f usec)\n",  in do_run_multi_threaded()
196 	printf("    Average num. events: %.3f (+- %.3f)\n",  in do_run_multi_threaded()
199 	printf("    Average time per event %.3f usec\n",  in do_run_multi_threaded()
217 "synthesizing events on CPU 0:");  in run_multi_threaded()
249 	 * If neither single threaded or multi-threaded are specified, default  in bench_synthesize()