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 0B2AC2594B4; Fri, 20 Dec 2024 02:01:45 +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=1734660106; cv=none; b=XHAlvW/A1afu3cx4UEbpeVHVBVsFHG60sub90aXGCGjKXazuclSJT9+ctgN2+kkPpwj2T9GWvFnKAAal9L5DwAS1eGhe7amNyOVzY+Pt2yf5uAOGpyvVm7lG2Q6tF3gW3gL5os5xUwZuLeVRcLZMChv0iNhxLBS7FsNYzwH+DnI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734660106; c=relaxed/simple; bh=o7NN7eBTW6iyhgMe/qkQ8oAOywcdwyvBMXA9yXkj4ic=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=axVMnwGnLBqlJLR0mgSgx5FkxyZ26LSKhTEkpiEBB+mdLkoeJB5qPFMvXIx4AyOUu897aiwXDgGy15Nwk8WWplPj9FY34ABI1+6zgJg7A+iAxUntcW3SjQ6sn9kaZZSEf49tdtdJw4ZHP5UzlLruvuq1a0AAqJTfb6gqLfxfg3w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tLGEqlOK; 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="tLGEqlOK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52504C4CECE; Fri, 20 Dec 2024 02:01:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734660105; bh=o7NN7eBTW6iyhgMe/qkQ8oAOywcdwyvBMXA9yXkj4ic=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=tLGEqlOK62xm/Xp4gks9GdAwmh1D4ll0SKBzOR9HW09xbP9frDaox+oRsa30WRcoX 7MO8L0wHdJdC+AsNYCG27Fujkfi5d4m7dML/lWXbjMuoA29Ya+fXffoUT0KTS1Iktx hwKCiWtpvDTuZIeRF6EWRFfmwgNOHs23Ww6qOTJPc7IOAUyZtq3wYm5N1D8a5I6AV2 1d+VOSsODkXnJ/nnzUxSOkBKx+3AWfHUZlQsgVGKvEzjVdr/0O0LODHdh5XBM07Yzj 51XwCdEowUpjhQmXqUWOfwH0v1deQYg2XzP7GLr+e5LG9XpXzA5N9/o1+wwzPnTU+j iGjiWvBUwjyaA== Date: Thu, 19 Dec 2024 18:01:44 -0800 From: Jakub Kicinski To: Willem de Bruijn Cc: Paolo Abeni , Soham Chakradeo , Willem de Bruijn , netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, linux-kselftest@vger.kernel.org, Soham Chakradeo Subject: Re: [PATCH net-next 0/4] selftests/net: packetdrill: import multiple tests Message-ID: <20241219180144.7cf5226c@kernel.org> In-Reply-To: <676474a0398f0_1f2e51294ad@willemb.c.googlers.com.notmuch> References: <20241217185203.297935-1-sohamch.kernel@gmail.com> <20241218100013.0c698629@kernel.org> <19df2c4d-c40c-40c5-8fec-bb3e63e65533@redhat.com> <676474a0398f0_1f2e51294ad@willemb.c.googlers.com.notmuch> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 19 Dec 2024 14:31:44 -0500 Willem de Bruijn wrote: > All three timestamping flakes are instances where the script expects > the timestamp to be taken essentially instantaneously after the send > call. > > This is not the case, and the delay is outside even the 14K tolerance. > I see occurrences of 20K. At some point we cannot keep increasing the > tolerance, perhaps. I pinned the other services away and gave the packetdrill tester its own cores. Let's see how much of a difference this makes. The net-next-2024-12-20--03-00 branch will be the first to have this.