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 955F62F2E; Thu, 18 Sep 2025 23:06:31 +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=1758236791; cv=none; b=R7akSY3bkl1N3nydCwxbUl6b/oe5C8X4mIFCVhtbFhP79eTkToklBMRg4ecCcJbBmgsDv+qwbWQwZmahDCGH7kjLP2kq7ovYB0CVsth9KSxgWgfsfNYTD81C2O2QSgYE8wgtJWy4xCYZCl2IO0ConoX+7YUhMXJl/Y/HzeGXdG8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758236791; c=relaxed/simple; bh=oIrPsfnqE/E3gaydHEh+RHEcCyXRToY+dk6bDvCuTns=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=B8vJg5bII5QirqTi/7elKn++25O3P+iAPyqB+bf3xXMIrXwBmeBbPe/Z7CLyFhce5pcXT1YPknOhykdgl4KQnaKK4ozkux8THzXM4CW0qJOWCqPZctNtlOKWllA3sBfI2/uhTX7u5WWWgXgA2e/1pepXWcD2oFR90MpVSAJwSh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FnGr+HDV; 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="FnGr+HDV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5CCFC4CEE7; Thu, 18 Sep 2025 23:06:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758236791; bh=oIrPsfnqE/E3gaydHEh+RHEcCyXRToY+dk6bDvCuTns=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=FnGr+HDVq7lpr5U3yTowya5aGw2aD9wqDhsfQN7zSwzdJSNMLlduY6vkVAVwz0pQq iq6TrTpvxlxlKKKvW/Bkx/EoDZLbFvA387JzHz93WDdNqrRKtXgqW/OHV+7MsH+5xS hatZ1EBlQciQ6DTVSiOCNCfP56ApbiBHn+cvozjx46xAHGHayg+V8NWteiJDJQV4kr Fa5+IeiqToqeLee8oDZB7ILlZL1AruZh06F+HUUv2zqI6+XCsFZxskcwuv1ALsoTe4 KpCACO4ZOE9kDQq4Ti8vbNDvPttDco8bn3h/rZm8A5EPIjzja0CSZQjh1LTY/Tt7Ik T12fZ3VPG717w== Date: Thu, 18 Sep 2025 18:06:29 -0500 From: Bjorn Helgaas To: Shuai Xue Cc: rostedt@goodmis.org, lukas@wunner.de, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-trace-kernel@vger.kernel.org, ilpo.jarvinen@linux.intel.com, mattc@purestorage.com, Jonathan.Cameron@huawei.com, bhelgaas@google.com, tony.luck@intel.com, bp@alien8.de, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, oleg@redhat.com, naveen@kernel.org, davem@davemloft.net, anil.s.keshavamurthy@intel.com, mark.rutland@arm.com, peterz@infradead.org, tianruidong@linux.alibaba.com Subject: Re: [PATCH v9 0/2] add PCI hotplug and PCIe link tracepoint Message-ID: <20250918230629.GA1928363@bhelgaas> 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-Disposition: inline In-Reply-To: <20250723033108.61587-1-xueshuai@linux.alibaba.com> On Wed, Jul 23, 2025 at 11:31:06AM +0800, Shuai Xue wrote: > changes since v8: > - rewrite commit log from Bjorn > - move pci_hp_event to a common place (include/trace/events/pci.h) per Ilpo > - rename hotplug event strings per Bjorn and Lukas > - add PCIe link tracepoint per Bjorn, Lukas, and Ilpo > > Hotplug events are critical indicators for analyzing hardware health, and > surprise link downs can significantly impact system performance and reliability. > In addition, PCIe link speed degradation directly impacts system performance and > often indicates hardware issues such as faulty devices, physical layer problems, > or configuration errors. > > This patch set add PCI hotplug and PCIe link tracepoint to help analyze PCI > hotplug events and PCIe link speed degradation. > > Shuai Xue (2): > PCI: trace: Add a generic RAS tracepoint for hotplug event > PCI: trace: Add a RAS tracepoint to monitor link speed changes > > drivers/pci/hotplug/pciehp_ctrl.c | 33 +++++++-- > drivers/pci/hotplug/pciehp_hpc.c | 5 +- > drivers/pci/pci.c | 2 +- > drivers/pci/pci.h | 12 ++- > drivers/pci/pcie/bwctrl.c | 4 +- > drivers/pci/probe.c | 10 ++- > include/linux/pci.h | 1 + > include/trace/events/pci.h | 119 ++++++++++++++++++++++++++++++ > include/uapi/linux/pci.h | 7 ++ > 9 files changed, 177 insertions(+), 16 deletions(-) > create mode 100644 include/trace/events/pci.h Hi Shuai, I lost track of what happened with this series. It seemed like we were pretty close but there were some trivial issues, and I don't think we ever merged it. Did I miss something, or are you waiting on me? Bjorn