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-rw-r--r--src/vppinfra/time.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vppinfra/time.h b/src/vppinfra/time.h
index 4d8997f0a9e..761dbed3fe8 100644
--- a/src/vppinfra/time.h
+++ b/src/vppinfra/time.h
@@ -192,6 +192,15 @@ clib_cpu_time_now (void)
return result;
}
+#elif defined(__riscv)
+
+always_inline u64
+clib_cpu_time_now (void)
+{
+ u64 result;
+ asm volatile("rdcycle %0\n" : "=r"(result));
+ return result;
+}
#else
#error "don't know how to read CPU time stamp"