From patchwork Tue Sep 22 10:12:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 11792067 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B1CD7618 for ; Tue, 22 Sep 2020 10:14:53 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 79CC7238D6 for ; Tue, 22 Sep 2020 10:14:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QQcOZvPq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79CC7238D6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=Ao+WFUAi52raSBwGmaahux1KJk+AowD9nFzUWvb4A2g=; b=QQcOZvPqs/tI4NOjUGukxxhWNf jebXiveEN/60QE4lFXSALy/1U7i4ogjQ9VEQuzRuEpj7RD4k6wAjUCY8O2LVbkpAPsztcBau66kqS 99daI66w2rzhmGJSnJ6igAxboMt/9IerKZEt65AXdSWQTBDDv8YxeItNHBloboXJHKJjBWbj2sxyr rN9KpYeZmwCVKCof+MT9rDUGAKxFkGjfP5o31GkmOn/KO8ahEv0v081f/Dj5rkmFcgbC6oyxpJ9pf DG0Vs0rr5bR3PzugavWJOZ8dj8A++4dXQitzHkK3bNhZdVt+Pq4ivYSswqtqhebRxvaojkj6Waeu1 +Hx+hHYQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKfI3-0006XU-BD; Tue, 22 Sep 2020 10:12:51 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKfHs-0006T7-JP for linux-arm-kernel@lists.infradead.org; Tue, 22 Sep 2020 10:12:42 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 52CEB1396; Tue, 22 Sep 2020 03:12:36 -0700 (PDT) Received: from donnerap.arm.com (donnerap.cambridge.arm.com [10.1.195.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 540E53F718; Tue, 22 Sep 2020 03:12:34 -0700 (PDT) From: Andre Przywara To: Will Deacon , Catalin Marinas , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo Subject: [PATCH 2/5] perf: arm_spe: Add new event packet bits Date: Tue, 22 Sep 2020 11:12:22 +0100 Message-Id: <20200922101225.183554-3-andre.przywara@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200922101225.183554-1-andre.przywara@arm.com> References: <20200922101225.183554-1-andre.przywara@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200922_061241_034414_AA033270 X-CRM114-Status: GOOD ( 12.08 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: Mark Rutland , Suzuki K Poulose , Alexander Shishkin , linux-kernel@vger.kernel.org, James Clark , Leo Yan , Namhyung Kim , Jiri Olsa , Tan Xiaojun , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The ARMv8.3-SPE extension adds some new bits to the event packet fields. Handle bits 11 (alignment), 17 and 18 (SVE predication) when decoding the SPE buffer content. Signed-off-by: Andre Przywara --- .../util/arm-spe-decoder/arm-spe-pkt-decoder.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c index b94001b756c7..e633bb5b8e65 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c @@ -346,6 +346,23 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf, buf += ret; blen -= ret; } + if (payload & BIT(11)) { + ret = snprintf(buf, buf_len, " ALIGNMENT"); + buf += ret; + blen -= ret; + } + } + if (idx > 2) { + if (payload & BIT(17)) { + ret = snprintf(buf, buf_len, " SVE-PARTIAL-PRED"); + buf += ret; + blen -= ret; + } + if (payload & BIT(18)) { + ret = snprintf(buf, buf_len, " SVE-EMPTY-PRED"); + buf += ret; + blen -= ret; + } } if (ret < 0) return ret;