From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 89796 invoked by alias); 1 Mar 2018 07:05:50 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 89780 invoked by uid 89); 1 Mar 2018 07:05:49 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.8 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_1,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy=Tel, tel X-HELO: mga18.intel.com Received: from mga18.intel.com (HELO mga18.intel.com) (134.134.136.126) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 01 Mar 2018 07:05:47 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2018 23:05:44 -0800 X-ExtLoop1: 1 Received: from irsmsx106.ger.corp.intel.com ([163.33.3.31]) by FMSMGA003.fm.intel.com with ESMTP; 28 Feb 2018 23:05:43 -0800 Received: from irsmsx104.ger.corp.intel.com ([169.254.5.101]) by IRSMSX106.ger.corp.intel.com ([169.254.8.62]) with mapi id 14.03.0319.002; Thu, 1 Mar 2018 07:05:43 +0000 From: "Metzger, Markus T" To: Eli Zaretskii CC: "gdb-patches@sourceware.org" Subject: RE: [PATCH 2/2] btrace: set/show record btrace cpu Date: Thu, 01 Mar 2018 07:05:00 -0000 Message-ID: References: <1519379570-16643-1-git-send-email-markus.t.metzger@intel.com> <1519379570-16643-2-git-send-email-markus.t.metzger@intel.com> <83woz34xuj.fsf@gnu.org> <83lgff1s4n.fsf@gnu.org> <83y3jez3yw.fsf@gnu.org> <83po4pyvji.fsf@gnu.org> In-Reply-To: <83po4pyvji.fsf@gnu.org> x-ctpclassification: CTP_NT x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiY2Q5NTc4OGUtMTU2NC00MDAzLThjYzctMDYyOWRhODA2Nzg1IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjIuNS4xOCIsIlRydXN0ZWRMYWJlbEhhc2giOiJFRXVQeUJIV2JGc2Y1VFI3TFdSZE1xcm94TGowYzl0QlhqemdsZklBZDZmYmJvNDJUSzZPUHR6aTljdjFtK3VTIn0= dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2018-03/txt/msg00003.txt.bz2 Hello Eli, > > > @cindex processor errata > > > @dfn{Processor errata} are bugs in processor firmware that can cause > > > a trace not to match the specification. Trace decoders that are > > > unaware of these errata might fail to decode such a trace. > > > @value{GDBN} can detect erroneous trace packets and correct them, > > > thus avoiding the decoding failures. These corrections are known as > > > @dfn{errata workarounds}, and are enabled based on the processor on > > > which the trace was recorded. > > > > I'm not sure whether the term 'firmware' is correct. I would instead > > phrase it like this: > > > > "Errata may cause the recorded trace to not match the specification. > > This, in turn, may cause trace decode to fail". >=20 > But that completely loses the explanation of what the errata are. If my > explanation is not accurate, let's correct it, rather than deleting it. I didn't mean to delete your explanation. I only removed the 'firmware' pa= rt. And the bit about 'unaware decoders' because it really only matters to the reader what GDB's decoder does. Or that's what I thought I did. What else= is missing? Thanks, Markus. Intel Deutschland GmbH Registered Address: Am Campeon 10-12, 85579 Neubiberg, Germany Tel: +49 89 99 8853-0, www.intel.de Managing Directors: Christin Eisenschmid, Christian Lamprechter Chairperson of the Supervisory Board: Nicole Lau Registered Office: Munich Commercial Register: Amtsgericht Muenchen HRB 186928