1 files changed, 15 insertions, 0 deletions

diff --git a/nacl/cpucycles/x86cpuinfo.c b/nacl/cpucycles/x86cpuinfo.c
new file mode 100644
index 00000000..3fb0a1b0
--- /dev/null
+++ b/nacl/cpucycles/x86cpuinfo.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include "osfreq.c"
+
+long long cpucycles_x86cpuinfo(void)
+{
+  long long result;
+  asm volatile(".byte 15;.byte 49" : "=A" (result));
+  return result;
+}
+
+long long cpucycles_x86cpuinfo_persecond(void)
+{
+  return osfreq();
+}