From patchwork Thu Mar 24 02:57:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 12790324 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB0F5C433FE for ; Thu, 24 Mar 2022 02:57:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347890AbiCXC7A (ORCPT ); Wed, 23 Mar 2022 22:59:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238778AbiCXC67 (ORCPT ); Wed, 23 Mar 2022 22:58:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFB01939E7; Wed, 23 Mar 2022 19:57:28 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8A58261997; Thu, 24 Mar 2022 02:57:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E29E2C340E8; Thu, 24 Mar 2022 02:57:27 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.95) (envelope-from ) id 1nXDfC-007FKt-Uw; Wed, 23 Mar 2022 22:57:26 -0400 From: Steven Rostedt To: linux-trace-devel@vger.kernel.org Cc: williskung@google.com, kaleshsingh@google.com, linux-rt-users@vger.kernel.org, "Steven Rostedt (Google)" Subject: [PATCH 00/12] trace-cmd: Add trace-cmd analyze command Date: Wed, 23 Mar 2022 22:57:14 -0400 Message-Id: <20220324025726.1727204-1-rostedt@goodmis.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org From: "Steven Rostedt (Google)" Add a new command called "analyze" that reads a trace.dat file and will report useful information from it. Such as: Time the CPUs were idle. What tasks ran the most on a CPU. For each task, how long were the wake ups, how long was it blocked, preempted, or just sleeping. And many more to come. See the man page at the last patch for more details. Steven Rostedt (Google) (12): trace-cmd: Add trace-cmd analyze trace-cmd analyze: Show what tasks are running the most trace-cmd analyze: Show how much tasks run on each CPU trace-cmd analyze: Use sched_switch to find comm mappings trace-cmd analyze: Use sched_switch event to update times trace-cmd analyze: Add tracing of tasks and their states trace-cmd analyze: Add "idleness" trace-cmd analyze: Track migration trace-cmd analyze: Add wake up latency timings trace-cmd analyze: Add counting of page faults trace-cmd analyze: Account for dropped events trace-cmd analyze: Add documentation .../trace-cmd/trace-cmd-analyze.1.txt | 290 +++++ tracecmd/Makefile | 1 + tracecmd/include/trace-local.h | 2 + tracecmd/trace-analyze.c | 1046 +++++++++++++++++ tracecmd/trace-cmd.c | 1 + tracecmd/trace-usage.c | 7 + 6 files changed, 1347 insertions(+) create mode 100644 Documentation/trace-cmd/trace-cmd-analyze.1.txt create mode 100644 tracecmd/trace-analyze.c