From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 260843FF892; Tue, 9 Jun 2026 17:16:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781025418; cv=none; b=AlfpduSLfJwGPJ/1qRorCQbzXkunLJMD/dyfHu4ngi8YNVhk6okwnMJ1kJHpEOEx7qXj1/5F0cgF4AaxFPNG2OWP9IWwSiDF8xWdnJLAbvRja7lcpGDou43nABAbMU8Piz/coqjAa3iBqqoM2AV5cOEPaCXmJsmzRWGw+s4FLMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781025418; c=relaxed/simple; bh=uj6VfsawIxBC/Rh5+CjNBCM34gQ4ZfhItp4SDpOcjMo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uhn4nnE4xpaFAd11RnJdlkIeiIgM+GqTiKmplAvls8gq6Jk5ai5pCkYsrPr5P9Ofb2iURcdUrTTPn9WWMhBvwA/MvMC0qaVOb2RbOlyaGV4Ki0Nx/R+pp5cOAnHUqAiYJoLe9B2aOdrdCkaFIVs2cjI3GaKmcjfZ9MPyCQzGzh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=a5EXCdY0; arc=none smtp.client-ip=217.140.110.172 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) header.d=arm.com header.i=@arm.com header.b="a5EXCdY0" 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 AE4123D7A; Tue, 9 Jun 2026 10:16:51 -0700 (PDT) Received: from localhost (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1B75F3FD88; Tue, 9 Jun 2026 10:16:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1781025416; bh=uj6VfsawIxBC/Rh5+CjNBCM34gQ4ZfhItp4SDpOcjMo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a5EXCdY09uk0/ZLXoxPOOzWkhxj/WFZQdB0zwfqV3q9S9rhxvDy3fP9c3vlKssXHN D40FDGhaGXghEqx5O6QIcyCI/Wd1dRw7uXVcEDwZSpVzyUGtMcFiVZ/S8cExKaDNHu 6h0T19hrMXUiY+TA6KShbbYWMFPTX/Mjmarnbpww= Date: Tue, 9 Jun 2026 18:16:53 +0100 From: Leo Yan To: James Clark Cc: Suzuki K Poulose , Mike Leach , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Amir Ayupov , Jonathan Corbet , Shuah Khan , Paschalis Mpeis , coresight@lists.linaro.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , linux-doc@vger.kernel.org Subject: Re: [PATCH v5 08/19] perf test cs-etm: Replace memcpy test with raw dump stress test Message-ID: <20260609171653.GQ101133@e132581.arm.com> References: <20260609-james-cs-context-tracking-fix-v5-0-d53a7d096a19@linaro.org> <20260609-james-cs-context-tracking-fix-v5-8-d53a7d096a19@linaro.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260609-james-cs-context-tracking-fix-v5-8-d53a7d096a19@linaro.org> On Tue, Jun 09, 2026 at 03:40:13PM +0100, James Clark wrote: > Like asm_pure_loop, this memcpy test only checks that 10 of each of a > few trace packet types occur after recording a lot of trace, which isn't > more specific than other existing Coresight tests. > > Assume it was supposed to be a stress test for dumping and replace it > with one that doesn't require a custom binary and checks for a specific > amount of raw output. Don't bother checking for packets because the > other tests that test decoding will catch issues with malformed data. > > This also adds coverage for exit snapshot mode which was missing. > > Signed-off-by: James Clark Tested-by: Leo Yan