timing_test: Add memcpy_2k

1 files changed, 6 insertions, 0 deletions

diff --git a/timing_test.cc b/timing_test.cc
index 748ba1f..deee26b 100644
--- a/timing_test.cc
+++ b/timing_test.cc
@@ -143,6 +143,12 @@ int main(int argc, char **argv)
 		unsigned int ecx = 0;
 	        for (size_t i = 0; i < loops; ++i)
 			asm volatile ("rdpmc" : "=a" (eax), "=d" (edx) : "c" (ecx));
+	} else if (!strcmp(mode, "memcpy_2k")) {
+		unsigned char src[2048] = {}, dst[2048];
+	        for (size_t i = 0; i < loops; ++i) {
+			asm volatile ("" : "=m" (*src) : "m" (*dst) : "memory");
+			memcpy(dst, src, 2048);
+		}
 #ifdef __x86_64__
 	} else if (!strcmp(mode, "vsyscall_time")) {
 		auto vsyscall_time = (long (*)(long *))0xffffffffff600400;