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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: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2015-02-26 19:02:43 +01:00
parent 515e23f019
commit dfecb95cdf
1 changed files with 9 additions and 1 deletions
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10
tools/perf/bench/mem-memcpy.c
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@ -36,7 +36,7 @@ static const struct option options[] = {
"Specify length of memory to copy. "
"Available units: B, KB, MB, GB and TB (upper and lower)"),
OPT_STRING('r', "routine", &routine, "default",
"Specify routine to copy"),
"Specify routine to copy, \"all\" runs all available routines"),
OPT_INTEGER('i', "iterations", &iterations,
"repeat memcpy() invocation this number of times"),
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_bps[0] = result_bps[1] = 0.0;
printf("Routine %s (%s)\n", r->name, r->desc);
if (bench_format == BENCH_FORMAT_DEFAULT)
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)
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++) {
if (!strcmp(info->routines[i].name, routine))
break;