From 9d5cff3df5620c7e02bdefa06d748a5cfc57f3b6 Mon Sep 17 00:00:00 2001 From: "Emilio G. Cota" Date: Wed, 15 Aug 2018 11:43:44 -0400 Subject: [PATCH] tests/atomic_add-bench: add -p to enable sync profiler 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 Signed-off-by: Paolo Bonzini --- tests/atomic_add-bench.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tests/atomic_add-bench.c b/tests/atomic_add-bench.c index f96d448f77..2f6c72f63a 100644 --- a/tests/atomic_add-bench.c +++ b/tests/atomic_add-bench.c @@ -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;