From patchwork Tue Apr 12 06:30:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 12810152 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4FC46C433EF for ; Tue, 12 Apr 2022 06:51:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wmmbjqvmMwHvszBulqF5AE4S622rytHF7KAiqWPGoSc=; b=3Fj2LSqm6cVDVr Nscqq615oGjAcDiT5oUYuM4UsUe97dBYn7YBcLMOSY8A283jbEyssmIoRGLX+ix0J4TmIvXu8VNBt tu7U37oWPlHq5AgvZ5L1oR/sb+amfjjYKWcVftlTJluMKQuD7cyU2h+xxePjTJ7D+d/7q+dBQJKCC bEfKlSQudoV5pFYnlaxQL+CN1/5T3EoyUZeJcpieAdqWRBDRD8UGFrdk/tKK7O1M0LxbYfb32Hp3t uRX/p2LEtM42gVVBliUWksk/70Tzq8TkFgTyipunUnYkmTkndwtkhIXttVDrikDiY68Fn5KSHUOTx PM5O3D36TP2glY9hM3Eg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1neAM5-00BySF-7l; Tue, 12 Apr 2022 06:50:25 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1neAM1-00ByRB-Ny for linux-arm-kernel@lists.infradead.org; Tue, 12 Apr 2022 06:50:23 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 22814B81B4F; Tue, 12 Apr 2022 06:50:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46337C385A1; Tue, 12 Apr 2022 06:50:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649746218; bh=3vYq7p0SM307ePNfx447hxRa5B05AMi0intXuJ+LFrg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wBjpShzNhTfAkNfVrRK4Hwa8UPjj6KUnYW8CZRTS9oG6K8dgIJBgcBwZAMXRCXnMe RgzmhL1r31v1UM2YG1PWWEQJQx6xAf9klmDzWKY+LhzaWUYD+KbVIOsmLtPINdJHnP pz67Vh3upn1Bw5yb51sfdEXsTKtQtWzIb/0nbJos= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, James Clark , Leo Yan , Namhyung Kim , Alexander Shishkin , German Gomez , Jiri Olsa , John Garry , linux-arm-kernel@lists.infradead.org, Mark Rutland , Mathieu Poirier , Ravi Bangoria , Will Deacon , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 5.15 203/277] perf: arm-spe: Fix perf report --mem-mode Date: Tue, 12 Apr 2022 08:30:06 +0200 Message-Id: <20220412062947.914959037@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220412062942.022903016@linuxfoundation.org> References: <20220412062942.022903016@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220411_235022_132198_53960289 X-CRM114-Status: GOOD ( 17.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: James Clark [ Upstream commit ffab487052054162b3b6c9c6005777ec6cfcea05 ] Since commit bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") "perf mem report" and "perf report --mem-mode" don't allow opening the file unless one of the events has PERF_SAMPLE_DATA_SRC set. SPE doesn't have this set even though synthetic memory data is generated after it is decoded. Fix this issue by setting DATA_SRC on SPE events. This has no effect on the data collected because the SPE driver doesn't do anything with that flag and doesn't generate samples. Fixes: bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") Signed-off-by: James Clark Tested-by: Leo Yan Acked-by: Namhyung Kim Cc: Alexander Shishkin Cc: German Gomez Cc: Jiri Olsa Cc: John Garry Cc: Leo Yan Cc: linux-arm-kernel@lists.infradead.org Cc: Mark Rutland Cc: Mathieu Poirier Cc: Ravi Bangoria Cc: Will Deacon Link: https://lore.kernel.org/r/20220408144056.1955535-1-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/arch/arm64/util/arm-spe.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c index a4420d4df503..7d589a705fc8 100644 --- a/tools/perf/arch/arm64/util/arm-spe.c +++ b/tools/perf/arch/arm64/util/arm-spe.c @@ -154,6 +154,12 @@ static int arm_spe_recording_options(struct auxtrace_record *itr, arm_spe_set_timestamp(itr, arm_spe_evsel); } + /* + * Set this only so that perf report knows that SPE generates memory info. It has no effect + * on the opening of the event or the SPE data produced. + */ + evsel__set_sample_bit(arm_spe_evsel, DATA_SRC); + /* Add dummy event to keep tracking */ err = parse_events(evlist, "dummy:u", NULL); if (err)