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X-Received-From: 2a00:1450:4864:20::444 Subject: [Qemu-devel] [PULL 23/74] tests/atomic_add-bench: add -p to enable sync profiler X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Emilio G. Cota" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDMRC_1 RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: "Emilio G. Cota" 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 f96d448..2f6c72f 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[] =3D " -n =3D number of threads\n" " -m =3D use mutexes instead of atomic increments\n" + " -p =3D enable sync profiler\n" " -d =3D duration in seconds\n" " -r =3D range (will be rounded up to pow2)"; =20 @@ -143,7 +144,7 @@ static void parse_args(int argc, char *argv[]) int c; =20 for (;;) { - c =3D getopt(argc, argv, "hd:n:mr:"); + c =3D 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 =3D true; break; + case 'p': + qsp_enable(); + break; case 'r': range =3D pow2ceil(atoi(optarg)); break; --=20 1.8.3.1