From patchwork Fri May 22 16:07:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Foley X-Patchwork-Id: 1296353 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=GNUp0U1n; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49TBfL1HM5z9sSW for ; Sat, 23 May 2020 02:24:58 +1000 (AEST) Received: from localhost ([::1]:57732 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jcATf-0004nI-TG for incoming@patchwork.ozlabs.org; Fri, 22 May 2020 12:24:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40490) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jcAKe-0003Rm-6P for qemu-devel@nongnu.org; Fri, 22 May 2020 12:15:36 -0400 Received: from mail-pl1-x643.google.com ([2607:f8b0:4864:20::643]:43099) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jcAKd-0006I8-86 for qemu-devel@nongnu.org; Fri, 22 May 2020 12:15:35 -0400 Received: by mail-pl1-x643.google.com with SMTP id k22so4567170pls.10 for ; Fri, 22 May 2020 09:15:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=A/nKw6Isa4Oy51HOhG9UE8FR/bJbLBceggcTqOyEfB0=; b=GNUp0U1nhxuxngkyDMTNsnpGA/d53w6KxMd8KlP/3m7zeATcCIG7xrrSyIBqYMFBuM aghOEnTh/k82NwcDMLQXbC+5HkJXN45Q3QxXbOVGGrC6jJFIx7Y2dUXaS/ookwmGRP/X qMGatvSQU975cg4iXHgLIS+nzHufl63e2b2u/xkMSBR+GZ1kx0Niewnir32DD0vyzwTv AaqKHdmAfU/7BHHpTPtfOAJUO0TXonPl+mkGHAPJkmGDhgUcEPFjjqOD0aRrtwFiaJho mriiQYnJbmC88D0wQzawIRCulCUwxhNNCU6YmIHEF4A1bLrJz/315PYXyojL5xrrwQjl ac6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=A/nKw6Isa4Oy51HOhG9UE8FR/bJbLBceggcTqOyEfB0=; b=A+F/KXf5RhaOSBV5e5OejE7EPgVgf3BFwiIIfEAIV+FSUVpnCMB/Z7J4iSiZ3oYNa4 ks1HtUxCYDWb4lGt2ReymI2oRam9AbRCgELLJ5m7YgZ0wZpa/COVd01MTIb//f39NB4V OQPi8Y12ZW2H7NPHed3GT0cN9uw4hXnO/LlxUDACe70G34fLbl6hb9Q2JQyW8/FkDv4m EZXnxfWm7LCOqrRZnNJ16B4AQwe7gKZvYnMsDk8m7iJ0vUn+9VBcniRY9aNjxkLDyLdA dtkzciaajO+95LyxL0TiNOpgFKcTg++Ke+Hac0cpV/hPPqxkumErgcKp553m2Qxl4Ag0 rgfg== X-Gm-Message-State: AOAM531E/J8zeewGkPBolYzrrQaLnjtEarh8qc5nvgLBumhHKp63WUlV Db7UnwdBdvMtvxq5HnKNzyyEXlkl6OTbrA== X-Google-Smtp-Source: ABdhPJys21ul8aDdEdjRji90tJOwobuTXZmcDYOj8bqY+tDMDzG35LNfgEPTjyTieiqNDSUhOZ27OQ== X-Received: by 2002:a17:902:8d8d:: with SMTP id v13mr15554071plo.67.1590164133603; Fri, 22 May 2020 09:15:33 -0700 (PDT) Received: from Rfoley-MA01.hsd1.ma.comcast.net ([2601:199:4480:60c0:f1d9:5fce:c451:d2e2]) by smtp.gmail.com with ESMTPSA id y75sm7255428pfb.212.2020.05.22.09.15.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 09:15:33 -0700 (PDT) From: Robert Foley To: qemu-devel@nongnu.org Subject: [PATCH 17/19] util: Added tsan annotate for thread name. Date: Fri, 22 May 2020 12:07:53 -0400 Message-Id: <20200522160755.886-18-robert.foley@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200522160755.886-1-robert.foley@linaro.org> References: <20200522160755.886-1-robert.foley@linaro.org> Received-SPF: pass client-ip=2607:f8b0:4864:20::643; envelope-from=robert.foley@linaro.org; helo=mail-pl1-x643.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.puhov@linaro.org, cota@braap.org, alex.bennee@linaro.org, robert.foley@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This allows us to see the name of the thread in tsan warning reports such as this: Thread T7 'CPU 1/TCG' (tid=24317, running) created by main thread at: Signed-off-by: Robert Foley Reviewed-by: Emilio G. Cota --- util/qemu-thread-posix.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index 838980aaa5..dcbc82d80f 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -15,6 +15,7 @@ #include "qemu/atomic.h" #include "qemu/notify.h" #include "qemu-thread-common.h" +#include "qemu/tsan.h" static bool name_threads; @@ -513,6 +514,7 @@ static void *qemu_thread_start(void *args) # endif } #endif + TSAN_ANNOTATE_THREAD_NAME(qemu_thread_args->name); g_free(qemu_thread_args->name); g_free(qemu_thread_args); pthread_cleanup_push(qemu_thread_atexit_notify, NULL);