From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6DDA35898 for ; Fri, 18 Jul 2025 03:46:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752810415; cv=none; b=b3zpwYvajVYROOq5IkIsnDAsZQtEqNW+2uy+KEJIkzqvnfMZTyYiD/uRlOktfTdS9PwTUWtZB4qck4Le7yHuRAfYjZWYTQBkj62OxdWi6Kk9L7cM53mlRZQedYaFOraMSQszHd0EF/pv8C/QTaJgSMA5N24HUZF91GyJjlsorkY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752810415; c=relaxed/simple; bh=Mf9215EGCTrmzHCEhlJE5KvEgKqe2O87UjIpxFAjudo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KCo7ecQmtFu9V3OX961WEhVGgKgOaG4vVOEiN3eqweHkKg00IBaRa/Syn47Mqzf7o6fYXYmcfDA4UuoefM0WqJX2i+xOL3nieKPqPS4jn3YuXhfyCa/zsFt5lOeE1MdfTmegXvBW8HsPWr2Iej4H0iI2wEkXw+xBy1gzAZcMDm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com; spf=fail smtp.mailfrom=purestorage.com; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b=SCU5+M4o; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=purestorage.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b="SCU5+M4o" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-7490cb9a892so1155841b3a.0 for ; Thu, 17 Jul 2025 20:46:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=purestorage.com; s=google2022; t=1752810413; x=1753415213; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Mf9215EGCTrmzHCEhlJE5KvEgKqe2O87UjIpxFAjudo=; b=SCU5+M4owUAq67eGL2xlpSBkeKyUhA8Kq6XFmjO1BLZfka8BYKq+K2rc3Bo9ToKIwY rXa23Ds4JToursaj7bEhWeibslzDKQNPDMK9HM55mwP52A+LNWvPuhu52cS+KJm7pnCw Y+pN3TUF31U/sgTLEBooIErRvCdG6EXB1KlyT3JZZkBwIyXw0y/HkjBkUlRDj48MFEjZ g9hJxDdDlA695w7GTsRlviDeMJzVfasC4u48WhwQ/I1JCI4ZkvuV8ozlFgJh8fl1j2NA Ku2F66+xxyXEupdjqYNtkdqa3JMYqYPyA38a5sEuX32XOVMl5ZJi01rjj8Bo3ruXNfbA 6s4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752810413; x=1753415213; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Mf9215EGCTrmzHCEhlJE5KvEgKqe2O87UjIpxFAjudo=; b=ISf/b/Yk9ZFhQxjJ0cagTI9q8PeDpgFAdZPu6g7lfLguUtAdbNF+k227uO5sFRvKYv W7OmGsRC5kV0kvRjw23vqXlajW3xoFas68oM0Q/z9WLZEiz7THx3LlJ1ZLqpllzLmu5j +NaFE/jWonUsDY6MeREm/v2UzHl7L2tJOvKLKb0pwTFbaLY9xLztlWlTcO2JaoOr/b8g 3Jn6UcJTW0/hPXJtB4DW0uwY1sMj49birYOzachtmiFksBb/tjLinX+Ea9HKc3H2KiSb zNBztJ4O4+tYz8BSZCqtDr2RjVmnhYG4pxze2x+tRW6JYPAxn9x8XLMbXadozR0EVYwU yYZw== X-Forwarded-Encrypted: i=1; AJvYcCWqAB1sTaQ62uGKqqrYzGIxK28CLiOTzh5LyOs34eVnOxeK24FbgxZxS5R8PVlpWozYMb4IAUAcKccfonxKIbbLZso=@vger.kernel.org X-Gm-Message-State: AOJu0Yy0TPtKMEbu4RPQes3ClEZ9W5gkL1nmfJ2fO/NGodrstyCve3Yt y1aq2XszYxWjC4rqpELH0KKKn4cDArAOtxv5LOKI9heLlZHvaCKOq9ygY+Z/WeeMj/U= X-Gm-Gg: ASbGnctC5M47lry3qd5wy0iCJYGA+eCbxb5VnBlHo3YTpPxh1Kgi1RDsASa0D6VkkNK GrQJL7JQ6v+dU7ce09ohC2NTr+70sFkk1AZB2DC8DV7jl1vJ+GRSYSlrL8KmPg0CHGlsDH16vSL X/nr+wMde3flINpZvj3qVFzwoRole59N5B+f2zTWqpXg3ar6QSgOsK3KCIeBvKwKaTzYUTjaKdb 7HkkNUEPf28w6qh0L+nfKNV8K9UDYMOTwBtnTEgyMFzRDomUmv7APjL1SkEwDKjXbNAq+PQJ87M zPX67ggo8x/svsoVdGoDp4EtJ5CtSEU9Ib5C6VDNOdVHVWTjjXRXS1JlJsHNLGxhh+/WP4o4Ho9 HqBYeNoWGskvJp8vKJrIvzUgPi+LYt2AdMiNekxkS4aQXXAas X-Google-Smtp-Source: AGHT+IFNa+EcH83FNXnjEm3C0F6TihGjOc1OMxlRUqkqp/V85onlhfwD3tW3WOOTiHm6RK2tC/cZPA== X-Received: by 2002:a05:6a00:2189:b0:746:27fc:fea9 with SMTP id d2e1a72fcca58-759ad4002fdmr1963419b3a.11.1752810412983; Thu, 17 Jul 2025 20:46:52 -0700 (PDT) Received: from dev-mattc2.dev.purestorage.com ([208.88.159.128]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-759cb678d8dsm310811b3a.110.2025.07.17.20.46.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jul 2025 20:46:33 -0700 (PDT) From: Matthew W Carlis To: helgaas@kernel.org Cc: anil.s.keshavamurthy@intel.com, bhelgaas@google.com, bp@alien8.de, davem@davemloft.net, ilpo.jarvinen@linux.intel.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org, lukas@wunner.de, mark.rutland@arm.com, mathieu.desnoyers@efficios.com, mattc@purestorage.com, mhiramat@kernel.org, naveen@kernel.org, oleg@redhat.com, peterz@infradead.org, rostedt@goodmis.org, tianruidong@linux.alibaba.com, tony.luck@intel.com, xueshuai@linux.alibaba.com Subject: Re: [PATCH v8] PCI: hotplug: Add a generic RAS tracepoint for hotplug event Date: Thu, 17 Jul 2025 21:46:16 -0600 Message-ID: <20250718034616.26250-1-mattc@purestorage.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250717235055.GA2664149@bhelgaas> References: <20250717235055.GA2664149@bhelgaas> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Thu, Jul 17, 2025 Bjorn Helgaas wrote > So I think your idea of adding current link speed/width to the "Link > Up" event is still on the table, and that does sound useful to me. We're already reading the link status register here to check DLLA so it would be nice. I guess if everything is healthy we're probably already at the maximum speed by this point. > In the future we might add another tracepoint when we enumerate the > device and know the Vendor/Device ID. I think we might have someone who would be interested in doing it.