From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793878999; b=ZTd48aeUPAv7X+QA90zFWI20jNvH4c3F2u4F4fVs3nn5lRSyCkgQI+lj1c+tY+3Dqdao mPSeJV9bnksNQMJrKui/p2L+jCsaBboRls1YhEaQDWsrcPi9XSqj5+2AQA7XgPOe7wmtT bqjyRszYOsu3XzOlviKFkbHs+cEgFpoVCSUztBcxx0yLxOxWCcMJxsJS3DNGsfYJ/qsnd KVu32wgLtiIX6ZiNAjl/xuikQoNdpkr++cmkF17ZMBWmC1qsq+avhwifvyJ3Hs4SAH9/w 2kajAnzqQ0A14gqPK4XWjtleT4FV7H1pH6KT+QQZ0QJH8qxTfoo2LWpnVJLfaKEGhYw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793878999; h=DMARC-Filter:Received:Received:DKIM-Signature:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=3arWtRYMgXECqw7+BWms5meFgKjfCsn5/zO/hbfOvZ8=; b=nkoupdAQJu6mJA4ww1H8nDPjMkNYQQLscDrRxXaqTrY05Jug9oO4dIUlexb/ItE4InTH xzXQLgOuCn8dYPxPFWzT4djiuuLEYC8om1PrQMSOPdgFTDmLdouQTHdjtKiSeky48buLW f5dI/Tw25dU+nAseuw1pHdIF/h19WFAXEqL10W42kmqqbm06KlJ6uEr1fFx8X0jJlgqxJ AmsBkh1kl0CkgFnEAAYs7clTME7hEih3rqU1LzPJX0B9ImUVz81ZZrCEfkVUXIrfdVUUQ cffA/ugYOjk8/ZkiUM58GI6/RQwl26waxrNDQKw9B4UI2LPfGzY+hLfBeNIzDrtX6mA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=vAw5UIhC; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 55F4D60A5BFE; Thu, 5 Nov 2026 11:43:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 55F4D60A5BFE Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=vAw5UIhC Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7F65A1684; Thu, 5 Nov 2026 03:43:14 -0800 (PST) Received: from localhost (unknown [10.2.196.114]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3A1A13F628; Thu, 5 Nov 2026 03:43:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793878997; bh=tNLSO+hdm+nSfzMoKkNnsSWYMdy8kNf8a0WRixCTXUY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vAw5UIhC3psCGMOX+MMnb+D9GR290XkKa9AuHmSzLQJdiC0S0HbR7Iw5xHPxficMw +TW40584w8silG5YCpCe0YcnPdUIGx5aR6jKkTCPT2UtXjT2DrSxQxUUJgZJVJ0OK+ tSJJs5TLqJStkuTvwEC8gE4FdxkqVgPJAtDF0E/E= Date: Thu, 5 Nov 2026 11:43:15 +0000 From: Leo Yan To: Amir Ayupov Cc: James Clark , Suzuki K Poulose , Mike Leach , Alexander Shishkin , Will Deacon , Mark Rutland , Greg Kroah-Hartman , Jonathan Corbet , Mathieu Poirier , Randy Dunlap , Shuah Khan , Daniel Pereira , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/7] coresight: Pulse an ETM external output for a PMU event Message-ID: <20261105114315.GT9176@e132581.arm.com> References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Oct 25, 2026 at 10:48:20PM -0700, Amir Ayupov wrote: > Add an ETMv4 configuration, pmu_pulse, that drives trace unit external > output 1 on every traced cycle, so a PMU event counting it (TRCEXTOUT1) > can end a fixed-length ETM window, for example with aux-action=pause. > The feature only loads on an ETE whose PMU counts its external outputs. > > Patch 1 is Leo's fix for TRCIDR0.NUMEVENT decoding, which patch 6 relies > on for the number of external outputs. Maybe it is worth to update patch 03 for Suzuki's comment: https://lore.kernel.org/linux-arm-kernel/82adee03-a169-4106-99f2-7624a4926037@arm.com/ This series looks good to me and I have verified it: Tested-by: Leo Yan