From 2ebc0ff33e41d23e4d3aec1a86f3d8bd4be410e7 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Thu, 21 Mar 2024 14:14:58 +0800
Subject: [PATCH] Implement timer implementation for mips platform

Upstream-Status: Pending

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 .../lock/range/range_tree/lib/portability/toku_time.h       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h b/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h
index 0a7488c397..ad7d9f2124 100644
--- a/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h
+++ b/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h
@@ -162,6 +162,12 @@ static inline tokutime_t toku_time_now(void) {
   unsigned long result;
   asm volatile ("rdtime.d\t%0,$r0" : "=r" (result));
   return result;
+#elif defined(__mips__)
+  // mips apparently only allows rdtsc for superusers, so we fall
+  // back to gettimeofday.  It's possible clock_gettime would be better.
+  struct timeval tv;
+  gettimeofday(&tv, nullptr);
+  return (uint64_t)tv.tv_sec * 1000000 + tv.tv_usec;
 #else
 #error No timer implementation for this platform
 #endif
-- 
2.25.1