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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PLING_QUERY,SPF_PASS,USER_AGENT_MUTT 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 B1411C32789 for ; Tue, 6 Nov 2018 20:24:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 716362086B for ; Tue, 6 Nov 2018 20:24:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 716362086B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388438AbeKGFvL (ORCPT ); Wed, 7 Nov 2018 00:51:11 -0500 Received: from mga09.intel.com ([134.134.136.24]:20051 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388183AbeKGFvL (ORCPT ); Wed, 7 Nov 2018 00:51:11 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2018 12:24:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,472,1534834800"; d="scan'208";a="89942537" Received: from tassilo.jf.intel.com (HELO tassilo.localdomain) ([10.7.201.126]) by orsmga008.jf.intel.com with ESMTP; 06 Nov 2018 12:24:12 -0800 Received: by tassilo.localdomain (Postfix, from userid 1000) id 01C23301B6D; Tue, 6 Nov 2018 12:24:11 -0800 (PST) Date: Tue, 6 Nov 2018 12:24:11 -0800 From: Andi Kleen To: Milian Wolff Cc: Jiri Olsa , linux-kernel@vger.kernel.org, Jiri Olsa , namhyung@kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho Subject: Re: PEBS level 2/3 breaks dwarf unwinding! [WAS: Re: Broken dwarf unwinding - wrong stack pointer register value?] Message-ID: <20181106202411.GU6218@tassilo.jf.intel.com> References: <2335309.gnWok9HYb4@agathebauer> <20181106001037.GQ6218@tassilo.jf.intel.com> <20181106083957.GB8081@krava> <2102566.fCj8pZGm78@agathebauer> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2102566.fCj8pZGm78@agathebauer> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Where would I look for the source to change here? So far, I only concentrated > on the userspace side of perf in tools/perf. Kind of similar to a405bad5ad20 perf/x86: Add Haswell specific transaction flag reporting fdfbbd07e91f perf: Add generic transaction flags Report the original (not overwritten) regs->ip and regs->sp -Andi