From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) (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 D421D33F8DA; Thu, 19 Feb 2026 14:36:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771511778; cv=none; b=E8TNn2bStAZbR0Hy/XjUMxGxMiOzqPAHiqr/eXrD+MbSq1giBZX+qIdTfYFA9IB6BIhVUMc/Af0HGuciWT2lyFr+vZ56eUTtPIH7eWMfFGPOoAGRNpyKoKBfj+R4yHTur9ez893y5MG30XN1X+ZRzmpxcEliq8ExGuK4TCgYreo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771511778; c=relaxed/simple; bh=8u4LSmIvd/C+3zPJ7zqMd0h+DXRGxy9OI+bxrxyF8gg=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=efU3b2wF57oSHvEGC5WdcpI3myTzlUmOPFbJ4xeOwK1++euPk/f7WfbiiwVei1OV2mBPItah1vbP9xzHnhHAyRCR/DLcbdr6AoM90/4LBUOlb520KygKTNX6vClDq5sus8olJRT/rnLIernWVi4R9N2mNgSuVVkmxTQFYvlOSR0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 691CA1A056C; Thu, 19 Feb 2026 14:36:08 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf05.hostedemail.com (Postfix) with ESMTPA id 7FEC32000D; Thu, 19 Feb 2026 14:36:04 +0000 (UTC) Date: Thu, 19 Feb 2026 09:36:05 -0500 From: Steven Rostedt To: Vincent Donnefort Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, jstultz@google.com, qperret@google.com, will@kernel.org, aneesh.kumar@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org Subject: Re: [PATCH v11 15/30] tracing: selftests: Add trace remote tests Message-ID: <20260219093605.192fdb48@gandalf.local.home> In-Reply-To: References: <20260131132848.254084-1-vdonnefort@google.com> <20260131132848.254084-16-vdonnefort@google.com> <20260205124208.2ed7cff8@gandalf.local.home> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspamout07 X-Rspamd-Queue-Id: 7FEC32000D X-Stat-Signature: md7qtgedn665okqptay4z4jimakth6k8 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX19TKj9CWzYjBj2NgmYOuR8HcgsdxJld1Oo= X-HE-Tag: 1771511764-166707 X-HE-Meta: U2FsdGVkX1+y78bFA5Fh2e1MOsjN889PeyB/43QOfqL4DGisxGUCImil6IIXRs8fQJR5JZJFm/Zxf+B5pGcquvp6c8BKMqg0mUGcFRg1SoBJr/iNjYh/y+crvZDam9BCvS4tbHRGLeKyP/YRN78HcJBHPw3uz8tBRwhWhEpM/Ai3txTZW6rmFVeIlOIZ+kqWcmVUkXGJl8v4I3ACJIdwqGqBbNPdp5kDfmgun+cpiGem6Gj9q+/rrCRdF/OBjS2UsquDN+nQBOJe75u1Ftck2a9Pd8tpBvnPXAqeWLzz1eLVyax13XfwG6w0wtoPlB/uC4EdHvC0B4PTi9ocnf7xgSIoCxEqcxKu On Tue, 10 Feb 2026 15:54:16 +0000 Vincent Donnefort wrote: > Hum weird, I have changed it in v11 to > > echo 0 > /sys/devices/system/cpu/cpu$cpu/online || return 0 > > That doesn't work? Because I would simply stop the test there if we can't > offline the CPU. Yeah, I guess I was running the old tests. With the new tests I now have: tools/testing/selftests/ftrace# ./ftracetest test.d/remotes/ === Ftrace unit tests === [1] Test trace remote buffer size [PASS] [2] Test hypervisor trace buffer size [UNSUPPORTED] [3] Test hypervisor trace buffer reset [UNSUPPORTED] [4] Test hypervisor consuming trace read [UNSUPPORTED] [5] Test hypervisor non-consuming trace read [UNSUPPORTED] [6] Test hypervisor trace buffer unloading [UNSUPPORTED] [7] Test trace remote reset [PASS] [8] Test trace remote consuming read [PASS] [9] Test trace remote non-consuming read [PASS] [10] Test trace remote unloading [PASS] # of passed: 5 # of failed: 0 # of unresolved: 0 # of untested: 0 # of unsupported: 5 # of xfailed: 0 # of undefined(test bug): 0 -- Steve