From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32A2EC6778A for ; Fri, 29 Jun 2018 20:01:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D417D27C1D for ; Fri, 29 Jun 2018 20:01:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D417D27C1D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937121AbeF2UAs (ORCPT ); Fri, 29 Jun 2018 16:00:48 -0400 Received: from mga11.intel.com ([192.55.52.93]:19117 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932890AbeF2UAr (ORCPT ); Fri, 29 Jun 2018 16:00:47 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Jun 2018 13:00:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,287,1526367600"; d="scan'208";a="241791985" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.44]) by fmsmga006.fm.intel.com with ESMTP; 29 Jun 2018 13:00:46 -0700 From: Keith Busch To: Johannes Thumshirn , Christoph Hellwig , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Keith Busch Subject: [PATCHv3 0/4] nvme trace updates Date: Fri, 29 Jun 2018 13:59:56 -0600 Message-Id: <20180629200000.16171-1-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series is based on/inspired by Johannes Thumshirn that improves the nvme trace events. The first one from Sagi is saving the nvme_ctrl in the driver request data so we can reference it in other places, both for this series and future developments. The others are adding and simplifying the nvme traces so we can see information to uniquely identify what hardware the trace event is showing, and filter events for specific hardware. v2 -> v3: Removed unrelated code that leaked into the previous series Added helpers for setting the qid and disk name fields Simplified printing the disk name: it's already null terminated, so don't need to define the limit. Updated change logs Minor code formatting updates Added Reviewed-by for Sagi's patch v1 -> v2: Dropped the blk-mq patch as there were pre-existing ways to get to the desired information without introducing a new API Changelog typo fixups Keith Busch (3): nvme: use hw qid in trace events nvme: add controller name to trace events nvme: add disk name to trace events Sagi Grimberg (1): nvme: cache struct nvme_ctrl reference to struct nvme_request drivers/nvme/host/core.c | 5 +- drivers/nvme/host/fc.c | 1 + drivers/nvme/host/nvme.h | 1 + drivers/nvme/host/pci.c | 2 + drivers/nvme/host/rdma.c | 1 + drivers/nvme/host/trace.c | 11 ++++ drivers/nvme/host/trace.h | 137 +++++++++++++++++++++++++-------------------- drivers/nvme/target/loop.c | 1 + 8 files changed, 93 insertions(+), 66 deletions(-) -- 2.14.3