From 4592dc19b3026122162122270d404800e84f2818 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E7=8F=82?= <zhangke172@huawei.com>
Date: Tue, 18 Jun 2024 20:13:00 +0800
Subject: [PATCH] fix crash
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Signed-off-by: 张珂 <zhangke172@huawei.com>
---
 utils/sync_fence/src/sync_fence_tracker.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/utils/sync_fence/src/sync_fence_tracker.cpp b/utils/sync_fence/src/sync_fence_tracker.cpp
index 743fa56a63..139f5f2fd0 100644
--- a/utils/sync_fence/src/sync_fence_tracker.cpp
+++ b/utils/sync_fence/src/sync_fence_tracker.cpp
@@ -166,7 +166,10 @@ inline int32_t SyncFenceTracker::GetFrameRate()
     int32_t frameRate = 0;
     auto frameNum = frameStartTimes->size();
     if (frameNum > 1) {
-        frameRate = FRAME_PERIOD * (frameNum - 1) / (frameStartTimes->back() - frameStartTimes->front());
+        auto interval = frameStartTimes->back() - frameStartTimes->front();
+        if(interval > 0) {
+            frameRate = FRAME_PERIOD * (frameNum - 1) / interval;
+        }
     }
     HILOG_DEBUG(LOG_CORE, "frameNum: %zu, frameRate: %{public}" PRId32,
         frameNum, frameRate);