From mboxrd@z Thu Jan 1 00:00:00 1970 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 0CE8DC43331 for ; Tue, 31 Mar 2020 09:30:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5BFD2072E for ; Tue, 31 Mar 2020 09:30:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fRi/Uaii" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730261AbgCaJas (ORCPT ); Tue, 31 Mar 2020 05:30:48 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:55758 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730235AbgCaJas (ORCPT ); Tue, 31 Mar 2020 05:30:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585647047; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=voAjwrZ3h7eTi533GBPbXjA/t6daangvgKObSNi5Utc=; b=fRi/UaiiHXfR7P3NxleJXYnS+py69Q7ZlHU0SZLG+sm3gWDRujIFeuyErNWDEgR1BRA1X8 xiM9GgPqc6ow6ZWNFApamLjlL799D/Toyy81fjUazsNOidLc+vKs8iOf/h0N1e/Gr5+sdY 6OHAKKvf1fmiw9O2tubWWEGQnD1JuA4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-168-lTs5Q-WOPKCer6UTkBtNLg-1; Tue, 31 Mar 2020 05:30:42 -0400 X-MC-Unique: lTs5Q-WOPKCer6UTkBtNLg-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 17D9FA0CBF; Tue, 31 Mar 2020 09:30:41 +0000 (UTC) Received: from krava (unknown [10.40.192.75]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E073060BE0; Tue, 31 Mar 2020 09:30:38 +0000 (UTC) Date: Tue, 31 Mar 2020 11:30:35 +0200 From: Jiri Olsa To: ahmadkhorrami Cc: Milian Wolff , Steven Rostedt , Arnaldo Carvalho de Melo , Linux-trace Users , Peter Zijlstra , linux-trace-users-owner@vger.kernel.org, Jin Yao , Namhyung Kim , Andi Kleen Subject: Re: Wrong Perf Backtraces Message-ID: <20200331093035.GB2518490@krava> References: <821540886fc57d7749edee585a50602f@ut.ac.ir> <1867036.PIDvDuAF1L@agathebauer> <20200329192010.GA2361248@krava> <2522580.mvXUDI8C0e@agathebauer> <20200330130750.GC2361248@krava> <8cb4f94b11fbac6ca3a44b924b6ee7b3@ut.ac.ir> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-trace-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-users@vger.kernel.org On Tue, Mar 31, 2020 at 09:13:28AM +0430, ahmadkhorrami wrote: > Hi, > I checked the reported address in libgtk. GDB could map it to the source > files. Also, once, I read at Stackoverflow that perf gives up on printing > the backtrace (truncates the output backtrace), whenever it detects a binary > file without debug info. Could you describe more about this situation? > And dear Mr. Olsa, if these cases do not occur on your system, could you > tell me how you installed the debug info for the binaries on your system, > please? google: 'how to install debuginfo on ' jirka