From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755384AbdESJA5 (ORCPT ); Fri, 19 May 2017 05:00:57 -0400 Received: from mga07.intel.com ([134.134.136.100]:49449 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751330AbdESJAz (ORCPT ); Fri, 19 May 2017 05:00:55 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,363,1491289200"; d="scan'208";a="1132489129" From: Adrian Hunter To: Arnaldo Carvalho de Melo , Andi Kleen Cc: linux-kernel@vger.kernel.org Subject: [PATCH 12/37] perf intel-pt: Add reserved byte to CBR packet payload Date: Fri, 19 May 2017 11:54:11 +0300 Message-Id: <1495184076-23805-13-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1495184076-23805-1-git-send-email-adrian.hunter@intel.com> References: <1495184076-23805-1-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 Future proof CBR packet decoding by passing through also the undefined 'reserved' byte in the packet payload. Signed-off-by: Adrian Hunter --- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 2 +- tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) 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 e7f4016a5b31..0b6c6f442870 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1422,7 +1422,7 @@ static void intel_pt_calc_mtc_timestamp(struct intel_pt_decoder *decoder) static void intel_pt_calc_cbr(struct intel_pt_decoder *decoder) { - unsigned int cbr = decoder->packet.payload; + unsigned int cbr = decoder->packet.payload & 0xff; if (decoder->cbr == cbr) return; diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c index accdb646a03d..ba4c9dd18643 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c @@ -130,7 +130,7 @@ static int intel_pt_get_cbr(const unsigned char *buf, size_t len, if (len < 4) return INTEL_PT_NEED_MORE_BYTES; packet->type = INTEL_PT_CBR; - packet->payload = buf[2]; + packet->payload = le16_to_cpu(*(uint16_t *)(buf + 2)); return 4; } -- 1.9.1