From a9689d2e0b8eda51da84732e963cbad35f797552 Mon Sep 17 00:00:00 2001
From: Joel Sing <joel@sing.id.au>
Date: Sat, 23 Aug 2025 15:05:51 +1000
Subject: [PATCH] time: skip TestLongAdjustTimers in short mode on single CPU
 systems

The OpenBSD armv7 port does not support SMP - on this platform the
TestLongAdjustTimers test passes in ~46 seconds on the openbsd/arm
builder when there is no other CPU contention, however it will almost
always fail when there is any other load.

Change-Id: Idf1c47b40376c749886843cdae11289c0984f714
Reviewed-on: https://go-review.googlesource.com/c/go/+/698556
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Commit-Queue: Cherry Mui <cherryyz@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
---
 src/time/tick_test.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/time/tick_test.go b/src/time/tick_test.go
index d89d2dbdea..dcbbcdb145 100644
--- a/src/time/tick_test.go
+++ b/src/time/tick_test.go
@@ -154,6 +154,10 @@ func TestLongAdjustTimers(t *testing.T) {
 	if runtime.GOOS == "android" || runtime.GOOS == "ios" || runtime.GOOS == "plan9" {
 		t.Skipf("skipping on %s - too slow", runtime.GOOS)
 	}
+	if testing.Short() && runtime.NumCPU() < 2 {
+		t.Skipf("skipping in short mode, insufficient CPUs")
+	}
+
 	t.Parallel()
 	var wg sync.WaitGroup
 	defer wg.Wait()
-- 
2.52.0