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Commit dfecb95c authored by Borislav Petkov's avatar Borislav Petkov
Browse files

perf/bench: Add -r all so that you can run all mem* routines 



perf bench mem mem{set,cpy} -r all thus runs all available mem
benchmarking routines.

Reviewed-by: default avatarHitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
parent 515e23f0

tools/perf/bench/mem-memcpy.c

+9 −1
Original line number Original line Diff line number Diff line
@@ -36,7 +36,7 @@ static const struct option options[] = { 
		    "Specify length of memory to copy. "

		    "Specify length of memory to copy. "

		    "Available units: B, KB, MB, GB and TB (upper and lower)"),

		    "Available units: B, KB, MB, GB and TB (upper and lower)"),

	OPT_STRING('r', "routine", &routine, "default",

	OPT_STRING('r', "routine", &routine, "default",

		    "Specify routine to copy"),

		    "Specify routine to copy, \"all\" runs all available routines"),

	OPT_INTEGER('i', "iterations", &iterations,

	OPT_INTEGER('i', "iterations", &iterations,

		    "repeat memcpy() invocation this number of times"),

		    "repeat memcpy() invocation this number of times"),

	OPT_BOOLEAN('c', "cycle", &use_cycle,

	OPT_BOOLEAN('c', "cycle", &use_cycle,
@@ -144,6 +144,8 @@ static void __bench_mem_routine(struct bench_mem_info *info, int r_idx, size_t l 
	result_cycle[0] = result_cycle[1] = 0ULL;

	result_cycle[0] = result_cycle[1] = 0ULL;

	result_bps[0] = result_bps[1] = 0.0;

	result_bps[0] = result_bps[1] = 0.0;





	printf("Routine %s (%s)\n", r->name, r->desc);



	if (bench_format == BENCH_FORMAT_DEFAULT)

	if (bench_format == BENCH_FORMAT_DEFAULT)

		printf("# Copying %s Bytes ...\n\n", length_str);

		printf("# Copying %s Bytes ...\n\n", length_str);
@@ -246,6 +248,12 @@ static int bench_mem_common(int argc, const char **argv, 
	if (only_prefault && no_prefault)

	if (only_prefault && no_prefault)

		only_prefault = no_prefault = false;

		only_prefault = no_prefault = false;





	if (!strncmp(routine, "all", 3)) {

		for (i = 0; info->routines[i].name; i++)

			__bench_mem_routine(info, i, len, totallen);

		return 0;

	}



	for (i = 0; info->routines[i].name; i++) {

	for (i = 0; info->routines[i].name; i++) {

		if (!strcmp(info->routines[i].name, routine))

		if (!strcmp(info->routines[i].name, routine))

			break;

			break;