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tests/atomic_add-bench: add -p to enable sync profiler

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When used together with -m, this allows us to benchmark the
profiler's performance impact on qemu_mutex_lock.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Emilio G. Cota 2018-08-15 11:43:44 -04:00 • committed by Paolo Bonzini
parent cb764d0665
commit 9d5cff3df5
1 changed files with 5 additions and 1 deletions
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6
tests/atomic_add-bench.c
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@ -26,6 +26,7 @@ static bool test_stop;
static const char commands_string[] =
" -n = number of threads\n"
" -m = use mutexes instead of atomic increments\n"
" -p = enable sync profiler\n"
" -d = duration in seconds\n"
" -r = range (will be rounded up to pow2)";
@ -143,7 +144,7 @@ static void parse_args(int argc, char *argv[])
int c;
for (;;) {
c = getopt(argc, argv, "hd:n:mr:");
c = getopt(argc, argv, "hd:n:mpr:");
if (c < 0) {
break;
}
@ -160,6 +161,9 @@ static void parse_args(int argc, char *argv[])
case 'm':
use_mutex = true;
break;
case 'p':
qsp_enable();
break;
case 'r':
range = pow2ceil(atoi(optarg));
break;