From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 39/85] perf cs-etm: Configure SWITCH_EVENTS in CPU-wide mode Date: Tue, 11 Jun 2019 15:58:25 -0300 Message-ID: <20190611185911.11645-40-acme@kernel.org> References: <20190611185911.11645-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190611185911.11645-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Mathieu Poirier , Leo Yan , Alexander Shishkin , Jiri Olsa , Peter Zijlstra , Suzuki Poulouse , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Mathieu Poirier Ask the perf core to generate an event when processes are swapped in/out of context. That way proper action can be taken by the decoding code when faced with such event. Signed-off-by: Mathieu Poirier Tested-by: Leo Yan Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Suzuki Poulouse Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190524173508.29044-4-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/arm/util/cs-etm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index be1e4f20affa..cc7f1cd23b14 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -257,6 +257,9 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, ptr->evlist = evlist; ptr->snapshot_mode = opts->auxtrace_snapshot_mode; + if (perf_can_record_switch_events()) + opts->record_switch_events = true; + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == cs_etm_pmu->type) { if (cs_etm_evsel) { -- 2.20.1 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, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,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 F3D71C4321A for ; Tue, 11 Jun 2019 19:02:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CC04B2184E for ; Tue, 11 Jun 2019 19:02:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Ri85zTEw"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="u+9MkASY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CC04B2184E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=SkYvlBjvqgzUre4r0yE44y0Pw8UbsqVWFBKBT4NJgzQ=; b=Ri85zTEwUKlEUF PJyK+JgGwJvdRE//mTW5KlEcRR1wo9P9gzBv3LrpleLb+DLUyxpgqgT4uSjsX3IiO+JNMXihx9wBC TcMetPdWzcbE5zwHLhTTD0EJgTMFOJSKySofjp0tLr7O1b9sAgfwCIjkavDfHi+XcRznbWyvak3uF 58Y2Wmy9DP4SSKn3tSjX9ID3AgHo/P+CC570nO04lp1ggvvKupg9Pv6AXKSz1m/AB2NUNuUiNY+w/ NtwN1hX6FKxnsqzwOZNRYT4czvNR1ptAXrKibdCMVQZpq20YhApV366U/k+iOYDYUnvLHrf2WDx1Q u1/oHPDwSpr0TTtPHFnQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1ham2m-000583-DM; Tue, 11 Jun 2019 19:02:52 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1ham2F-0004hJ-BV for linux-arm-kernel@lists.infradead.org; Tue, 11 Jun 2019 19:02:21 +0000 Received: from quaco.ghostprotocols.net (unknown [179.97.35.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 68F0C2184E; Tue, 11 Jun 2019 19:02:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560279738; bh=Qhd6bVtVoT9QbbazKZOFnIspsu4pUvCgE79I8j9p3yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u+9MkASYJuO+Q1mu5YtJloZrYVKLk3PIdu6DTxlxGtyMxpR6G8rEzop1fsRizLzhw uwfbiBgHHxA+ED4GlZeBdsAT/uPfzMIwhqBlc3EqjAmVQzjM501rK+esRa+m5tfvCL LAQ2NPmxUQodA6uEOzIUAX/nbtYLpTWXGkyKqSNc= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Subject: [PATCH 39/85] perf cs-etm: Configure SWITCH_EVENTS in CPU-wide mode Date: Tue, 11 Jun 2019 15:58:25 -0300 Message-Id: <20190611185911.11645-40-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190611185911.11645-1-acme@kernel.org> References: <20190611185911.11645-1-acme@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190611_120219_455923_276E6716 X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnaldo Carvalho de Melo , Mathieu Poirier , Suzuki Poulouse , Clark Williams , coresight@lists.linaro.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Alexander Shishkin , Peter Zijlstra , Jiri Olsa , Leo Yan , Namhyung Kim , Jiri Olsa , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mathieu Poirier Ask the perf core to generate an event when processes are swapped in/out of context. That way proper action can be taken by the decoding code when faced with such event. Signed-off-by: Mathieu Poirier Tested-by: Leo Yan Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Suzuki Poulouse Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190524173508.29044-4-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/arm/util/cs-etm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index be1e4f20affa..cc7f1cd23b14 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -257,6 +257,9 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, ptr->evlist = evlist; ptr->snapshot_mode = opts->auxtrace_snapshot_mode; + if (perf_can_record_switch_events()) + opts->record_switch_events = true; + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == cs_etm_pmu->type) { if (cs_etm_evsel) { -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel