From patchwork Fri Feb 4 16:24:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Bristot de Oliveira X-Patchwork-Id: 12735274 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 EE5B6C433EF for ; Fri, 4 Feb 2022 16:24:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376545AbiBDQYV convert rfc822-to-8bit (ORCPT ); Fri, 4 Feb 2022 11:24:21 -0500 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:57677 "EHLO us-smtp-delivery-44.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230184AbiBDQYS (ORCPT ); Fri, 4 Feb 2022 11:24:18 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-507--HCrrO5iPC-hR_YpiBWw0Q-1; Fri, 04 Feb 2022 11:24:17 -0500 X-MC-Unique: -HCrrO5iPC-hR_YpiBWw0Q-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E800C1853022; Fri, 4 Feb 2022 16:24:15 +0000 (UTC) Received: from x1.com (unknown [10.22.33.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id E2EBC7E91A; Fri, 4 Feb 2022 16:24:14 +0000 (UTC) From: Daniel Bristot de Oliveira To: Steven Rostedt Cc: Daniel Bristot de Oliveira , linux-kernel@vger.kernel.org, linux-trace-devel@vger.kernel.org Subject: [PATCH 2/4] rtla/utils: Fix session duration parsing Date: Fri, 4 Feb 2022 17:24:03 +0100 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=bristot@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Use gmtime to format the duration time. This avoids problems when the system uses local time different of Pisa's Local Time. Fixes: b1696371d865 ("rtla: Helper functions for rtla") Cc: Daniel Bristot de Oliveira Cc: Steven Rostedt Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira --- tools/tracing/rtla/src/utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/tracing/rtla/src/utils.c b/tools/tracing/rtla/src/utils.c index 1c9f0eea6166..ffaf8ec84001 100644 --- a/tools/tracing/rtla/src/utils.c +++ b/tools/tracing/rtla/src/utils.c @@ -77,11 +77,11 @@ void get_duration(time_t start_time, char *output, int output_size) time_t duration; duration = difftime(now, start_time); - tm_info = localtime(&duration); + tm_info = gmtime(&duration); snprintf(output, output_size, "%3d %02d:%02d:%02d", tm_info->tm_yday, - tm_info->tm_hour - 1, + tm_info->tm_hour, tm_info->tm_min, tm_info->tm_sec); }