X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=vppinfra%2Fvppinfra%2Ftime.h;h=3c481082ced067aef2ca59060cb39c3d75b1ddf0;hb=61efa140b1f44e0c568697fbc31cf3f430131ab2;hp=524eff6c7a1be28137f87e013af34fd003f35832;hpb=bfdedbd5a3ba7e6fdc036d212253aa55c9062211;p=vpp.git

diff --git a/vppinfra/vppinfra/time.h b/vppinfra/vppinfra/time.h
index 524eff6c7a1..3c481082ced 100644
--- a/vppinfra/vppinfra/time.h
+++ b/vppinfra/vppinfra/time.h
@@ -143,8 +143,18 @@ always_inline u64 clib_cpu_time_now (void)
   return ((u64)h << 32) | l;
 }
 
-#else
+#elif defined (__aarch64__)
+always_inline u64 clib_cpu_time_now (void)
+{
+  u64 tsc;
+
+  /* Works on Cavium ThunderX. Other platforms: YMMV */
+  asm volatile("mrs %0, cntvct_el0" : "=r" (tsc));
 
+  return tsc;
+}
+
+#else
 #error "don't know how to read CPU time stamp"
 
 #endif