timing_test: Add sys_enosys

Signed-off-by: Andy Lutomirski <luto@kernel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/timing_test.cc b/timing_test.cc
index 1d30dee..a6b38ce 100644
--- a/timing_test.cc
+++ b/timing_test.cc
@@ -137,6 +137,9 @@ int main(int argc, char **argv)
 	} else if (!strcmp(mode, "getpid")) {
 	        for (size_t i = 0; i < loops; ++i)
 			syscall(SYS_getpid);
+	} else if (!strcmp(mode, "sys_enosys")) {
+	        for (size_t i = 0; i < loops; ++i)
+			syscall(0xffffffff, c, &t);
 	} else if (!strcmp(mode, "rdpmc")) {
 		// Unlikely to work.
 		unsigned int eax, edx;