44 static struct bench_futex_parameters params = {  variable
53 	OPT_UINTEGER('t', "threads",  &params.nthreads, "Specify amount of threads"),
54 	OPT_UINTEGER('q', "nrequeue", &params.nrequeue, "Specify amount of threads to requeue at once"),
55 	OPT_BOOLEAN( 's', "silent",   &params.silent, "Silent mode: do not display data/details"),
56 	OPT_BOOLEAN( 'S', "shared",   &params.fshared, "Use shared futexes instead of private ones"),
57 	OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
58 	OPT_BOOLEAN( 'B', "broadcast", &params.broadcast, "Requeue all threads at once"),
59 	OPT_BOOLEAN( 'p', "pi", &params.pi, "Use PI-aware variants of FUTEX_CMP_REQUEUE"),
77 	       params.nthreads,  in print_summary()
94 		if (!params.pi) {  in workerfn()
100 				if (!params.silent)  in workerfn()
114 				if (!params.silent)  in workerfn()
131 	threads_starting = params.nthreads;  in block_threads()
138 	for (i = 0; i < params.nthreads; i++) {  in block_threads()
186 	if (params.mlockall) {  in bench_futex_requeue()
191 	if (!params.nthreads)  in bench_futex_requeue()
192 		params.nthreads = perf_cpu_map__nr(cpu);  in bench_futex_requeue()
194 	worker = calloc(params.nthreads, sizeof(*worker));  in bench_futex_requeue()
198 	if (!params.fshared)  in bench_futex_requeue()
201 	if (params.nrequeue > params.nthreads)  in bench_futex_requeue()
202 		params.nrequeue = params.nthreads;  in bench_futex_requeue()
204 	if (params.broadcast)  in bench_futex_requeue()
205 		params.nrequeue = params.nthreads;  in bench_futex_requeue()
208 	       "%d at a time.\n\n",  getpid(), params.nthreads,  in bench_futex_requeue()
209 	       params.fshared ? "shared":"private", &futex1,  in bench_futex_requeue()
210 	       params.pi ? "PI ": "", &futex2, params.nrequeue);  in bench_futex_requeue()
236 		while (nrequeued < params.nthreads) {  in bench_futex_requeue()
245 			if (!params.pi) {  in bench_futex_requeue()
247 						      params.nrequeue,  in bench_futex_requeue()
251 							 params.nrequeue,  in bench_futex_requeue()
269 		if (!params.silent) {  in bench_futex_requeue()
270 			if (!params.pi)  in bench_futex_requeue()
273 				       params.nthreads,  in bench_futex_requeue()
280 				       params.nthreads,  in bench_futex_requeue()
286 		if (!params.pi) {  in bench_futex_requeue()
289 			if (params.nthreads != nrequeued)  in bench_futex_requeue()
291 				      nrequeued, params.nthreads);  in bench_futex_requeue()
294 		for (i = 0; i < params.nthreads; i++) {  in bench_futex_requeue()