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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>
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@ -36,7 +36,7 @@ static const struct option options[] = {
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"Specify length of memory to copy. "
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"Available units: B, KB, MB, GB and TB (upper and lower)"),
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OPT_STRING('r', "routine", &routine, "default",
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"Specify routine to copy"),
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"Specify routine to copy, \"all\" runs all available routines"),
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OPT_INTEGER('i', "iterations", &iterations,
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"repeat memcpy() invocation this number of times"),
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OPT_BOOLEAN('c', "cycle", &use_cycle,
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@ -144,6 +144,8 @@ static void __bench_mem_routine(struct bench_mem_info *info, int r_idx, size_t l
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result_cycle[0] = result_cycle[1] = 0ULL;
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result_bps[0] = result_bps[1] = 0.0;
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printf("Routine %s (%s)\n", r->name, r->desc);
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if (bench_format == BENCH_FORMAT_DEFAULT)
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printf("# Copying %s Bytes ...\n\n", length_str);
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@ -246,6 +248,12 @@ static int bench_mem_common(int argc, const char **argv,
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if (only_prefault && no_prefault)
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only_prefault = no_prefault = false;
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if (!strncmp(routine, "all", 3)) {
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for (i = 0; info->routines[i].name; i++)
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__bench_mem_routine(info, i, len, totallen);
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return 0;
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}
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for (i = 0; info->routines[i].name; i++) {
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if (!strcmp(info->routines[i].name, routine))
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break;
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