From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32343 invoked by alias); 23 Sep 2013 07:27:23 -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 32326 invoked by uid 89); 23 Sep 2013 07:27:21 -0000 Received: from mga14.intel.com (HELO mga14.intel.com) (143.182.124.37) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 23 Sep 2013 07:27:21 +0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_05,RDNS_NONE,SPF_SOFTFAIL autolearn=no version=3.3.2 X-HELO: mga14.intel.com Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga102.ch.intel.com with ESMTP; 23 Sep 2013 00:27:16 -0700 X-ExtLoop1: 1 Received: from irsmsx103.ger.corp.intel.com ([163.33.3.157]) by azsmga001.ch.intel.com with ESMTP; 23 Sep 2013 00:27:11 -0700 Received: from irsmsx152.ger.corp.intel.com (163.33.192.66) by IRSMSX103.ger.corp.intel.com (163.33.3.157) with Microsoft SMTP Server (TLS) id 14.3.123.3; Mon, 23 Sep 2013 08:27:08 +0100 Received: from irsmsx104.ger.corp.intel.com ([169.254.5.69]) by IRSMSX152.ger.corp.intel.com ([163.33.192.66]) with mapi id 14.03.0123.003; Mon, 23 Sep 2013 08:27:08 +0100 From: "Metzger, Markus T" To: Jan Kratochvil CC: "gdb-patches@sourceware.org" , "Himpel, Christian" Subject: RE: [patch v4 03/24] btrace: change branch trace data structure Date: Mon, 23 Sep 2013 07:27:00 -0000 Message-ID: References: <1372842874-28951-1-git-send-email-markus.t.metzger@intel.com> <1372842874-28951-4-git-send-email-markus.t.metzger@intel.com> <20130818190426.GC24153@host2.jankratochvil.net> <20130912200927.GA29475@host2.jankratochvil.net> <20130921194413.GA20539@host2.jankratochvil.net> <20130923071454.GA7030@host2.jankratochvil.net> In-Reply-To: <20130923071454.GA7030@host2.jankratochvil.net> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2013-09/txt/msg00811.txt.bz2 > -----Original Message----- > From: gdb-patches-owner@sourceware.org [mailto:gdb-patches- > owner@sourceware.org] On Behalf Of Jan Kratochvil > > The trace is collected in a cyclic buffer by the h/w. When the inferior > > stops, GDB reads that buffer which corresponds to the tail of the > > inferior's execution trace. >=20 > I somehow expected kernel SIGTRAPs the process when the buffer > overflows so > that the buffer could be read in. >=20 > OK, GDB code now makes more sense to me, just it should be more > described in > the manual, I have made such comment in [patch v6 21/21] after I reply it. I'll wait for your reply. Thanks, Markus. Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen, Deutschland Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Christian Lamprechter, Hannes Schwaderer, Douglas Lusk Registergericht: Muenchen HRB 47456 Ust.-IdNr./VAT Registration No.: DE129385895 Citibank Frankfurt a.M. (BLZ 502 109 00) 600119052