From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 829122DFA4A for ; Fri, 21 Aug 2026 09:58:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787306308; cv=none; b=Yq+fSWmgDil1+xkbV5XWtIsdGiCsDZVtjnQCFk0ZofZADIZS8I0dHplR1guu9aX4/gCNNYDDOCXKszs+hv1WGp7vtDwRymv/jgPOhsaun/i2iFh9cjhxGivGvTWnq+T04e5JzpJK8qOsYUQ+5os2gGB37GKCa371qtuiwvowy38= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787306308; c=relaxed/simple; bh=nBiZp4SCWdL0NJ9SlEaGsAAPOo26Lxe6pBE4QWB/QpM=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=TEeB1xQStBpmSW6gG5GLCuPY/qebYf7M6N/rhLj2lZCsYMAeBFH6HVmFcwSF7vzVWcP6uyqlAM18mh3xgsl0lPnC+fY+/TLIMgtEcMk8U6gGK4gNvx2fUuMg4YBHasjA4KvMC3ik6rjAiYouvKqW/2WdQdRyIiS/N7rDpRDUYrE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nwaTJC9s; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nwaTJC9s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D499E1F000E9; Fri, 21 Aug 2026 09:58:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787306301; bh=nBiZp4SCWdL0NJ9SlEaGsAAPOo26Lxe6pBE4QWB/QpM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=nwaTJC9sCYaqoJGqPDxNItLmdwiR94KbsYjWWm3anbxim8J5F1A+rEMZhD6hquQXW 6y3BbBj5hKSF9DcxKgy3S6KbddNyh0U0IZE4NpoCVpPT23aV4BuDVA5lbc1flsDQWL 32lcDRecgM4DfeaK3u/chiCXu9QsYjqrBpJVezPIWFTKTF9HxLgQhUCKS3VMk8Mm2E zDz+tUGxrwSlZgMW3UNHuzeSpKwZp/rfB4vleUhXOEIjIOuWQUaKmiEkWPJFYfSajH 1pZPRHPYx9RWq9ZmXQnVJF3aIKkC3ZH47bmesXE1s12zZ9ymFFt/d8VK5in6pPCa6y Mt4nSwG+QJDTQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 05/14] perf cs-etm: Increase default timestamp generation period Reply-To: sashiko-reviews@lists.linux.dev To: "James Clark" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20260821-james-cs-unformatted-per-thread-fix-v2-5-00c4fd0701b4@linaro.org> References: <20260821-james-cs-unformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org> <20260821-james-cs-unformatted-per-thread-fix-v2-5-00c4fd0701b4@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 21 Aug 2026 09:58:20 +0000 Message-Id: <20260821095820.D499E1F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > The original purpose of timestamps in per-CPU mode was to roughly emit > samples in the order they occurred across multiple CPUs, rather than > emit all the trace from CPU 1 followed by all from CPU 2 etc. > Previously there was no way to change the interval from the minimum of 1 > cycle, but custom intervals are now supported by the driver. >=20 > Drastically reduce the number of timestamps emitted by increasing the > interval, which is more than enough to interleave sample generation. > This reduces the size of the trace generated. >=20 > Signed-off-by: James Clark Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260821-james-cs-u= nformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org?part=3D5