From 454867848bfb87101cf6f96960a53d1860fa9c6b Mon Sep 17 00:00:00 2001
From: Yedidya Feldblum <yfeldblum@meta.com>
Date: Wed, 16 Oct 2024 09:21:59 -0700
Subject: [PATCH] limit num threads under TSAN for
 ThreadPoolExecutorTest.AddPerf

Summary: TSAN appears to deadlock with increasingly high probability past a certain point.

Reviewed By: Gownta

Differential Revision: D64451812

fbshipit-source-id: c3840c69b12e3cfdf2ff072e21685bf143525bad
---
 folly/executors/test/ThreadPoolExecutorTest.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/folly/executors/test/ThreadPoolExecutorTest.cpp b/folly/executors/test/ThreadPoolExecutorTest.cpp
index a78e1b23240..8fa64dab8e6 100644
--- a/folly/executors/test/ThreadPoolExecutorTest.cpp
+++ b/folly/executors/test/ThreadPoolExecutorTest.cpp
@@ -1023,7 +1023,7 @@ TEST(ThreadPoolExecutorTest, AddPerf) {
   auto queue = std::make_unique<
       UnboundedBlockingQueue<CPUThreadPoolExecutor::CPUTask>>();
   CPUThreadPoolExecutor e(
-      1000,
+      kIsSanitizeThread ? 25 : 1000,
       std::move(queue),
       std::make_shared<NamedThreadFactory>("CPUThreadPool"));
   e.setThreadDeathTimeout(std::chrono::milliseconds(1));