From e4bba2df9def2ca83ad3f1cee35936e5ed07c663 Mon Sep 17 00:00:00 2001
From: Daniel Lemire <lemire@gmail.com>
Date: Thu, 22 Jul 2021 10:52:05 -0400
Subject: [PATCH] Do not needlessly do perf checks.

---
 .github/workflows/ubuntu18-checkperf.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ubuntu18-checkperf.yml b/.github/workflows/ubuntu18-checkperf.yml
index 840fbcc87..cd00cd991 100644
--- a/.github/workflows/ubuntu18-checkperf.yml
+++ b/.github/workflows/ubuntu18-checkperf.yml
@@ -1,6 +1,12 @@
 name: Performance check on Ubuntu 18.04 CI (GCC 7)
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   ubuntu-build: