Commit-ID: dfecb95cdfeaf7872d83a96bec3a606e9cd95c8d
Gitweb: http://git.kernel.org/tip/dfecb95cdfeaf7872d83a96bec3a606e9cd95c8d
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Thu, 26 Feb 2015 19:02:43 +0100
Committer: Borislav Petkov <bp@xxxxxxx>
CommitDate: Tue, 3 Mar 2015 18:01:58 +0100
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@xxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
---
tools/perf/bench/mem-memcpy.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c
index 50991c4..eca3d0e 100644
--- a/tools/perf/bench/mem-memcpy.c
+++ b/tools/perf/bench/mem-memcpy.c
@@ -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;
--
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