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 0480521771C; Sat, 7 Feb 2026 00:35:20 +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=1770424520; cv=none; b=qm5Rt6y04JqEhLUZvbNQXXGJZ2GHDJbEwfsMlgQiX/cXepPOLQ04ju6MmlRX4+wUl+cNNCRNWi5B6ipefl4LRKM3+j5ZTUtgKqCUPnXJ9LvyOaojDscHtqI0eeUj5hxRc9NqptRU8Jep+/MBbWDP0S9AAaUkYi+OilSO/3CXuqA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770424520; c=relaxed/simple; bh=lDCtA2V5X9zwUYPEdtrbrDq5S7xZR2bB3gOjl726bQw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CajfMXYcYWfjRq07pfqc6a7+5Wu049s5agZkuXkj0+2479VvwsC6E3aQ00rb51dKTvxtibEHNMuiHzKtlot0tDPjuwytC5JwR6xbZ9hV6lj6dVfYhHPr7FImOP265sRZagj4DF9hZOprW//ga6/+r0ZxeYXkNE962MDJNE7ZPdE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fKAU41te; 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="fKAU41te" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47A1BC19425; Sat, 7 Feb 2026 00:35:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770424519; bh=lDCtA2V5X9zwUYPEdtrbrDq5S7xZR2bB3gOjl726bQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fKAU41tezoJ97EQwGQ4jzEQ0z2sG7f9Zttzqx03sgJ4pTv/haIy8OKO7oQ23sf1zf zc5MSTMdfUN+Sc1qYuCVw9HAJ7mfwxsBaMqvoG6R9SvMQibUFMARF9qqDGPfzdiAY7 BpBrv8r24mGFNDtWU8NIP59dNy1J9EuObXZTKEu5GI4mTcIyhdsqLms7RSfKjf/GOy RlFaiig/hMnitXwfbNYGNK7Gm4QXWnd5lkkpiDX5O9Nb2h5Fn3Zg6LvZjo6ERXlidt kVHDysT2qTGUOlidfAwvkwyHXPRDRtn3/oq1ovkKSAKshhXarYwWF7QNVX6nxG9zvX KHfNAhLkJi0rQ== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, shuah@kernel.org, willemb@google.com, petrm@nvidia.com, donald.hunter@gmail.com, michael.chan@broadcom.com, pavan.chebbi@broadcom.com, linux-kselftest@vger.kernel.org, Jakub Kicinski Subject: [PATCH net-next v2 5/9] selftests: drv-net: give HW stats sync time extra 25% of margin Date: Fri, 6 Feb 2026 16:35:05 -0800 Message-ID: <20260207003509.3927744-6-kuba@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260207003509.3927744-1-kuba@kernel.org> References: <20260207003509.3927744-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit There are transient failures for devices which update stats periodically, especially if it's the FW DMA'ing the stats rather than host periodic work querying the FW. Wait 25% longer than strictly necessary. For devices which don't report stats-block-usecs we retain 25 msec as the default wait time (0.025sec == 20,000usec * 1.25). Reviewed-by: Petr Machata Signed-off-by: Jakub Kicinski --- tools/testing/selftests/drivers/net/lib/py/env.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py index 41cc248ac848..39a98eb2592e 100644 --- a/tools/testing/selftests/drivers/net/lib/py/env.py +++ b/tools/testing/selftests/drivers/net/lib/py/env.py @@ -285,7 +285,7 @@ from .remote import Remote if "Operation not supported" not in e.cmd.stderr: raise - self._stats_settle_time = 0.025 + \ - data.get('stats-block-usecs', 0) / 1000 / 1000 + self._stats_settle_time = \ + 1.25 * data.get('stats-block-usecs', 20000) / 1000 / 1000 time.sleep(self._stats_settle_time) -- 2.53.0