From patchwork Thu Nov 19 15:24:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leo Yan X-Patchwork-Id: 11917939 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 85859C56201 for ; Thu, 19 Nov 2020 15:32:45 +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 DC73224695 for ; Thu, 19 Nov 2020 15:32:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EQYSZ1wi"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="BQDGR0Q0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC73224695 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-arm-kernel-bounces+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=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=g1/IWYKdjUbK9i0YqqsiyQH6vst9CeeDUxGWbJaeDNA=; b=EQYSZ1wiVYMOfrD/vDAPw0rd2B ofZt4EqIiZtZb/1x9zYOUqda3kwMPVRqgHthnD8FXpkRVkPi+f7eHUL5EuRlYBHvJ6woPYpL7bd0t aRaRbqPbryUR4JdDWOCIQgUROtLcDO6XYU/qmrNUGUFAc17MFEr7ZOD12F1X8eVHZNaUlLOLoWWhs Xy7PG8jJPYK6B7ncmnoug6msufbxIbeljwAfJiIOn8Nlskki6sPkkaUsQrch5Pmt0Q9vGOzgL283D Kk0ECjzp/LqSbvb2Wl4nQ5kr52O40hBqq42tTsO8rjCoJQa4cB+jCTk0LdxlVt5Y8Wx5+njdoETQF 6IEhXAQQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfltD-0006NP-L4; Thu, 19 Nov 2020 15:30:27 +0000 Received: from mail-pl1-x641.google.com ([2607:f8b0:4864:20::641]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kflor-0004Sw-0o for linux-arm-kernel@lists.infradead.org; Thu, 19 Nov 2020 15:26:23 +0000 Received: by mail-pl1-x641.google.com with SMTP id 5so3114410plj.8 for ; Thu, 19 Nov 2020 07:25:56 -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=XriXkpQL1G72vRO9M8mRLCWp1zrIvKg7kWNZsHT5WPs=; b=BQDGR0Q0+OdUmFpR7wE36bCxAWDIjXwgKQpUH39GYWAzR/4fzjjGqt2Mt+CO0nqPdK pEKiEeShERFiQdXEazC+hr1KLW+Lg8Dx2ibXBt91J5X3Enfq/fUgHmeANEP7afxIoehk clTH0izvWsBcFUDozAu8btxrEkyBi+kzCr1OIK22F7bhpAe0v1H3XuaZzDg+gWVBZHl9 KhzGwll9xThBP2dH7EwF4V1AnO6+ESrgQuXMBCOoWHVYpIG0/8dXtFHjgoKjax0mPPOT A4OOQE8n1ROES4KERF1hVPOEFRSRokvzqZBBlMJbz6Muwkap+y81Ai2mEFOxMl8EczIT J+HQ== 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=XriXkpQL1G72vRO9M8mRLCWp1zrIvKg7kWNZsHT5WPs=; b=Up0vl8oOOSJ/c0mspnjjOtZl7S+vjxGN8hWUx1y4vpvS4PEiF+h+bC9uziBUowArGI kxerfGDoaZFuvGNvMjUBGbIT3DIGWkuqSCpQ0mqm1nz0anZy5tVAkyThyuHzaBbmXKBr Ah7nt3uwaL9K4pqzb5I0qiqAg+3R1zVSyG4ALUXNnFXnSTyO1eQ2O/Oyuyuz4dIIs7pe 9bF8jIPwKH6qqFiDl95Eqw81Tea6kKC+SxsncB43CbGaL05sg6ogbnV8aZA81JgRU6Zn 3D2c+3ZLit835qDbEspPV8wQ8qkqRGLkRxH7Dsbdf73BfjW3/TTNGwuWW6czz4CXd+9K Sl5A== X-Gm-Message-State: AOAM531DfoH0ny5qQniRYOxLTW/YhrwtcWgZ5IEiyDe7Mg76mCkuIuRK nwWnL3OFNFKpcUIdIDOJJbZdMQ== X-Google-Smtp-Source: ABdhPJxPRGV+Pq3MF840qcbax5SY7e39tlgf4LWhLGW57WHmOtt0qgCDRab08is3TFqlbKbd5m/s/A== X-Received: by 2002:a17:902:8b8c:b029:d8:de6f:ed35 with SMTP id ay12-20020a1709028b8cb02900d8de6fed35mr9466457plb.36.1605799554752; Thu, 19 Nov 2020 07:25:54 -0800 (PST) Received: from localhost ([45.137.216.7]) by smtp.gmail.com with ESMTPSA id s30sm13019761pgl.39.2020.11.19.07.25.53 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 19 Nov 2020 07:25:54 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Andre Przywara , Dave Martin , James Clark , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Al Grant , Wei Li , John Garry , Will Deacon , Mathieu Poirier , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v9 15/16] perf arm_spe: Decode memory tagging properties Date: Thu, 19 Nov 2020 23:24:40 +0800 Message-Id: <20201119152441.6972-16-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> References: <20201119152441.6972-1-leo.yan@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201119_102557_296800_7C3C4D20 X-CRM114-Status: GOOD ( 16.89 ) 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: Leo Yan MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Andre Przywara When SPE records a physical address, it can additionally tag the event with information from the Memory Tagging architecture extension. Decode the two additional fields in the SPE event payload. [leoy: Refined patch to use predefined macros] Signed-off-by: Andre Przywara Signed-off-by: Leo Yan Reviewed-by: Dave Martin --- tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 6 +++++- tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-) 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 84d661aab54f..57c01ce27915 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 @@ -385,6 +385,7 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, char *buf, size_t buf_len) { int ns, el, idx = packet->index; + int ch, pat; u64 payload = packet->payload; int err = 0; @@ -404,9 +405,12 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, break; case SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS: ns = !!SPE_ADDR_PKT_GET_NS(payload); + ch = !!SPE_ADDR_PKT_GET_CH(payload); + pat = SPE_ADDR_PKT_GET_PAT(payload); payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); arm_spe_pkt_out_string(&err, &buf, &buf_len, - "PA 0x%llx ns=%d", payload, ns); + "PA 0x%llx ns=%d ch=%d pat=%x", + payload, ns, ch, pat); break; default: /* Unknown index */ diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 7032fc141ad4..1ad14885c2a1 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -73,6 +73,8 @@ struct arm_spe_pkt { #define SPE_ADDR_PKT_GET_NS(v) (((v) & BIT_ULL(63)) >> 63) #define SPE_ADDR_PKT_GET_EL(v) (((v) & GENMASK_ULL(62, 61)) >> 61) +#define SPE_ADDR_PKT_GET_CH(v) (((v) & BIT_ULL(62)) >> 62) +#define SPE_ADDR_PKT_GET_PAT(v) (((v) & GENMASK_ULL(59, 56)) >> 56) #define SPE_ADDR_PKT_EL0 0 #define SPE_ADDR_PKT_EL1 1