From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753655AbbGQQjU (ORCPT ); Fri, 17 Jul 2015 12:39:20 -0400 Received: from mga02.intel.com ([134.134.136.20]:30343 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754154AbbGQQhT (ORCPT ); Fri, 17 Jul 2015 12:37:19 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,497,1432623600"; d="scan'208";a="526031079" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa Subject: [PATCH V8 24/25] perf tools: Add Intel PT support for decoding TRACESTOP packets Date: Fri, 17 Jul 2015 19:33:59 +0300 Message-Id: <1437150840-31811-25-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437150840-31811-1-git-send-email-adrian.hunter@intel.com> References: <1437150840-31811-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A TRACESTOP packet is produced when an Intel PT trace enters a defined region of the address space at which point the tracing stops. This patch just adds decoder support. Support for specifying TRACESTOP regions is left until later. For details refer to the June 2015 or later Intel 64 and IA-32 Architectures SDM Chapter 36 Intel Processor Trace. Signed-off-by: Adrian Hunter --- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index 0845c5e6ad1d..22ba50224319 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1572,6 +1572,10 @@ next: return intel_pt_walk_fup_tip(decoder); case INTEL_PT_TRACESTOP: + decoder->pge = false; + decoder->continuous_period = false; + intel_pt_clear_tx_flags(decoder); + decoder->have_tma = false; break; case INTEL_PT_PSB: @@ -1717,6 +1721,9 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder) break; case INTEL_PT_TRACESTOP: + decoder->pge = false; + decoder->continuous_period = false; + intel_pt_clear_tx_flags(decoder); case INTEL_PT_TNT: decoder->have_tma = false; intel_pt_log("ERROR: Unexpected packet\n"); @@ -1819,6 +1826,10 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) return intel_pt_bug(decoder); case INTEL_PT_TRACESTOP: + decoder->pge = false; + decoder->continuous_period = false; + intel_pt_clear_tx_flags(decoder); + decoder->have_tma = false; break; case INTEL_PT_PSB: -- 1.9.1