From patchwork Mon Sep 13 12:27:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 12488719 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 CEB0DC4332F for ; Mon, 13 Sep 2021 12:28:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2D5B60555 for ; Mon, 13 Sep 2021 12:28:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239946AbhIMM3g (ORCPT ); Mon, 13 Sep 2021 08:29:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240006AbhIMM3f (ORCPT ); Mon, 13 Sep 2021 08:29:35 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1070C061760 for ; Mon, 13 Sep 2021 05:28:19 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id u15so8358031wru.6 for ; Mon, 13 Sep 2021 05:28:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vFXaQI/G0HHdHdRSAHOmVE4YjkrR1Z9WT14pKr2Ncd0=; b=CTKCTJFiBM4XtajodQtQLZFImECHmaXCT6yZPsF/Wo8Z/oJdfAbWE+re3ZUt2iZI1d CQacv/0HKJWJVI0Ojz/7AALDNtkXi+h27lgcIkycj8BNDKFUK+65d3zvJkTDCXNjqAdA gztMG955AZoZ9AiAoyywuEGQzXmw2NVyyVUXT8kcBB1oPt2REa0z4f94u4JnLt+seqeH rqO6Tktwbxilwpo+0RtLj/4V5OcmPc2GZpPP8zR8zrtmPwYXKnfLte1wNmVMih9yBfVq c5NTq6LCY7oGCVLC3pUh7KB+kdz0zfH7JcPOO97R925xYcyfdj5b54mVDcP0xseEUUym IDfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vFXaQI/G0HHdHdRSAHOmVE4YjkrR1Z9WT14pKr2Ncd0=; b=JiR44daP1EWj6JqfYPL5CyXlWIR1eC2jwgDB3yuAvYTOPrdMMffKBkhzSIyCeVrPlG cwF2QPVBhcZYdLzWv4Qk7NZVhhi2TtvY5iO6ZKq7SnhmqvxzMHtcHzC1/uTIp/FVPr4O T+tDrVvKJytoQ8tz/DSrLHu5GuX4a0tRhkxHdwE7VBmev+xwraentL22mZWq7aPmaECE UTdfKhdKGMZHvEkefMe+QdbHcVZazzf2R6aZaBJuFbL17RtV1AWlPMI6jACuRhM0H/dD HV1dGg8d60PRJRRAVPrNGF1WXMKG7gurFex1qu8w3NyX63Tvrq8j7M4NyzsSdX5Wcysk aSow== X-Gm-Message-State: AOAM5319AvPqTRg9puJH4/TwjoJS3xblB3TGrk8cDVHumUWm3vSIwLdW 6ipIY7Q+tE9cHRvlbccKgMw= X-Google-Smtp-Source: ABdhPJzqxqyRx+73yYSq6MvfbH2EP3rkkbBBXNpii/aOXjW6Y5SczDojY61r3LE4i4bj+uFCxijA5g== X-Received: by 2002:a5d:58c9:: with SMTP id o9mr12466951wrf.279.1631536098277; Mon, 13 Sep 2021 05:28:18 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id z6sm6839689wmp.1.2021.09.13.05.28.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Sep 2021 05:28:17 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 17/21] trace-cmd report: Do not print empty buffer name Date: Mon, 13 Sep 2021 15:27:55 +0300 Message-Id: <20210913122759.3672494-18-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210913122759.3672494-1-tz.stoyanov@gmail.com> References: <20210913122759.3672494-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org This clean up is needed for the design of the next version of the trace file, where the top buffer is saved with its empty file name, string "". Signed-off-by: Tzvetomir Stoyanov (VMware) --- tracecmd/trace-read.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tracecmd/trace-read.c b/tracecmd/trace-read.c index 4261088d..02f75cb9 100644 --- a/tracecmd/trace-read.c +++ b/tracecmd/trace-read.c @@ -1173,7 +1173,7 @@ static void print_handle_file(struct handle_list *handles) /* Only print file names if more than one file is read */ if (!multi_inputs && !instances) return; - if (handles->file) + if (handles->file && *handles->file != '\0') printf("%*s: ", max_file_size, handles->file); else printf("%*s ", max_file_size, "");