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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT 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 86D76C65BAF for ; Mon, 10 Dec 2018 08:53:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A5382082F for ; Mon, 10 Dec 2018 08:53:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="P83Jx93Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A5382082F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org 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 S1726777AbeLJIxn (ORCPT ); Mon, 10 Dec 2018 03:53:43 -0500 Received: from mail-wr1-f47.google.com ([209.85.221.47]:46040 "EHLO mail-wr1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726754AbeLJIxm (ORCPT ); Mon, 10 Dec 2018 03:53:42 -0500 Received: by mail-wr1-f47.google.com with SMTP id b14so9527587wru.12 for ; Mon, 10 Dec 2018 00:53:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=vUyooLcyJUYiK6jffhRtzW6QvVrGY41s8t/va8y//+E=; b=P83Jx93Qf7l7qBaSRaK1K3yR6IZ6RtW2bu5lW7VjGrBx2KuWrCUeSsAe+V50Mc8w95 fhfDgA24iPzUWSoJgyngux5eN41dgd+rs2+8ZriiBvbRa/m7z8eYzxa0QirGPZ5i2EHg rKZ4jbQe2VFiiOxqjde3BE6J4nMBy+j6pXJ4g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vUyooLcyJUYiK6jffhRtzW6QvVrGY41s8t/va8y//+E=; b=odwhZ60NNh5+m4X6avvbBwhs4RCoGSgjj8s766FsQIYIb/FkzHWUe/ewKESoqyQ81z H2tiaUAmARmRyXgQqZWtpo8dmM+2BcdJKirokRb3NbL8QKRwA6uq0J5/e6cXqEVHI3qM AXymu5VTLPyKqqDUNGlAyeUNOB/6acTJJEstZYIGrLtIygk5X5x1EAmkk0SOZRMWYOec DwkuCj/cyfzMQo0gHO7xsyFVkqe5AEyoCrL4v+acmLTSCnw8yPxGfQlgDN7Kucd1Ax5/ i86xtmO9fi9+3ZKwMlE2SIgCJA/x9VCVzGpvcuhxkjjr0jt1jShFXJXXS62i6gKPF8wC rdJg== X-Gm-Message-State: AA+aEWbQTgn9ej19Zhv/QJxWMWT5OA0tIUoVmHu96yIDiqBsS1Smbg/T mw6zD0RjPgOvCguxcLGsfi4SGQ== X-Google-Smtp-Source: AFSGD/Ut3JQ0s/myU2ZSrcpxk9vzKTFREh4QW++BB6w4HOnQlYlHHdg3rubPwVtlvMXm1OXVegATzg== X-Received: by 2002:adf:dfd1:: with SMTP id q17mr9543064wrn.27.1544432020389; Mon, 10 Dec 2018 00:53:40 -0800 (PST) Received: from localhost.localdomain ([209.250.228.18]) by smtp.gmail.com with ESMTPSA id m4sm9097351wml.2.2018.12.10.00.53.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 10 Dec 2018 00:53:39 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Mathieu Poirier , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Coresight ML Cc: Leo Yan , Mike Leach , Robert Walker Subject: [PATCH v2 5/6] perf cs-etm: Treat EO_TRACE element as trace discontinuity Date: Mon, 10 Dec 2018 16:53:00 +0800 Message-Id: <1544431981-24144-6-git-send-email-leo.yan@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1544431981-24144-1-git-send-email-leo.yan@linaro.org> References: <1544431981-24144-1-git-send-email-leo.yan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If decoder outputs EO_TRACE element, it means the end of the trace buffer; this is a discontinuity and in this case the end of trace data needs to be saved. This patch generates CS_ETM_DISCONTINUITY packet for EO_TRACE element hereby flushing the end of trace data in cs-etm.c. Cc: Mathieu Poirier Cc: Mike Leach Cc: Robert Walker Signed-off-by: Leo Yan --- tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c index 46b67f1..bcb5c98 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -411,6 +411,7 @@ static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer( case OCSD_GEN_TRC_ELEM_UNKNOWN: break; case OCSD_GEN_TRC_ELEM_NO_SYNC: + case OCSD_GEN_TRC_ELEM_EO_TRACE: resp = cs_etm_decoder__buffer_discontinuity(decoder, trace_chan_id); decoder->trace_on = false; @@ -431,7 +432,6 @@ static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer( decoder->packet_buffer[decoder->tail].exc_ret = true; break; case OCSD_GEN_TRC_ELEM_PE_CONTEXT: - case OCSD_GEN_TRC_ELEM_EO_TRACE: case OCSD_GEN_TRC_ELEM_ADDR_NACC: case OCSD_GEN_TRC_ELEM_TIMESTAMP: case OCSD_GEN_TRC_ELEM_CYCLE_COUNT: -- 2.7.4