From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20530246BB9 for ; Sat, 22 Nov 2025 00:53:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763772826; cv=none; b=D4UXG5dgn7tZCHTnBFNh7xh9zPfoZeMPd07nkvimNZwjD/+hIaojB7yaHkvLAikVY+5fP9z6umXn+tTDukeWnq5Jo+rWhzC6PHkoOqVGAEECwjB3mkyJmTN7YnNmpmTOMY/nFtxY8mKaZbHscga0N7ykDD820mAxEmJrp9L8ouo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763772826; c=relaxed/simple; bh=5t9F7YnqOOizlRHkTwzjpcYr+T6L3YM+9vPmarwxGEw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=mR/wyFDR1oGJVYZY0DFOLDmfw3CrP+9irc+7Q+oNpzbTBGBmGMFgDdd3eJ5eIF13f9EaRiBXA6ubcZu2P7BmyOqebIeXAFcO5JUXvqWAg0QLNmSaICuZGhTLgUcsG16a9DFlS8PC+iCVAKwRWE8MDZC+22oaxb5/bI3Vv9jDTT8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DRpkRvJn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DRpkRvJn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEDF0C4CEF1; Sat, 22 Nov 2025 00:53:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763772825; bh=5t9F7YnqOOizlRHkTwzjpcYr+T6L3YM+9vPmarwxGEw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=DRpkRvJnCzF0fcMWcWn/ijQNqy/IbUwKmgWQ7BcTMvr8mO9xrkzD9dPAeLHw7CAQV b9wKRidXYBHZCtK9BbE+dM8sU300NS8RCiZUNsHVFOI6uI5hYq16fbIUJcJIkjGGRT 7YfLVdP2Vdj78Gqpxl7GZWRIBwn4IdW+Xg2LN5MqbZ/WeIfGkxV/UJrQlMveA2IJSt rztO5rqyEZ0BWuny6kiqIku5n6I6T0h0e3EjS+K0PHeg7Bdvn+OzzLCK0zf4h3Vp62 KRF50J/dHkQS5RW+m1SY9MMv4DPyoUGu1oTxUp1RdNDns9TwjSlMy11aJDby/K+VkY /qCjGtZ2UCipw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70C2B3A78AC8; Sat, 22 Nov 2025 00:53:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next] selftests/bpf: improve reliability of test_perf_branches_no_hw() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176377279026.2637800.9325868192978852335.git-patchwork-notify@kernel.org> Date: Sat, 22 Nov 2025 00:53:10 +0000 References: <20251119143540.2911424-1-mattbobrowski@google.com> In-Reply-To: <20251119143540.2911424-1-mattbobrowski@google.com> To: Matt Bobrowski Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, dxu@dxuuu.xyz Hello: This patch was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Wed, 19 Nov 2025 14:35:40 +0000 you wrote: > Currently, test_perf_branches_no_hw() relies on the busy loop within > test_perf_branches_common() being slow enough to allow at least one > perf event sample tick to occur before starting to tear down the > backing perf event BPF program. With a relatively small fixed > iteration count of 1,000,000, this is not guaranteed on modern fast > CPUs, resulting in the test run to subsequently fail with the > following: > > [...] Here is the summary with links: - [bpf-next] selftests/bpf: improve reliability of test_perf_branches_no_hw() https://git.kernel.org/bpf/bpf-next/c/ae24fc8a16b0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html