From patchwork Fri Jan 6 18:39:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 13091669 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 B0032C54EBD for ; Fri, 6 Jan 2023 18:39:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230294AbjAFSjf (ORCPT ); Fri, 6 Jan 2023 13:39:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229846AbjAFSjd (ORCPT ); Fri, 6 Jan 2023 13:39:33 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A7017CDD1 for ; Fri, 6 Jan 2023 10:39:33 -0800 (PST) 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 9D52961F1D for ; Fri, 6 Jan 2023 18:39:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D1DBC433F1; Fri, 6 Jan 2023 18:39:32 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.96) (envelope-from ) id 1pDrco-0003Kj-33; Fri, 06 Jan 2023 13:39:30 -0500 From: Steven Rostedt To: linux-trace-devel@vger.kernel.org Cc: "Steven Rostedt (Google)" Subject: [PATCH 00/10] trace-cmd: Fix trace-cmd stream Date: Fri, 6 Jan 2023 13:39:20 -0500 Message-Id: <20230106183930.12565-1-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)" Looking at https://bugzilla.kernel.org/show_bug.cgi?id=216577 and analyzing the fix, I found a bunch of other issues with trace-cmd stream. This series is to address them. Steven Rostedt (Google) (10): trace-cmd library: Set recorder to nonblock when finished trace-cmd stream: Do not block when stopping threads trace-cmd stream: Add a flush signal to kick the output trace-cmd stream: Do one last flush when finished trace-cmd library: Fix read_data() with error from tracefs_cpu_read() trace-cmd: Have trace_stream_read() use poll() trace-cmd stream: Set default sleep time to half a second trace-cmd library: Return the result of tracefs_cpu_stop() trace-cmd record: Set sleep_time to zero at end of recording trace-cmd record: Keep stopping the recording when finished .../include/private/trace-cmd-private.h | 4 +- lib/trace-cmd/trace-recorder.c | 33 ++++++--- tracecmd/include/trace-local.h | 2 +- tracecmd/trace-record.c | 72 +++++++++++++++---- tracecmd/trace-stream.c | 34 ++++----- 5 files changed, 99 insertions(+), 46 deletions(-)