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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 F2370C4742C for ; Fri, 6 Nov 2020 01:44:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97A75206FB for ; Fri, 6 Nov 2020 01:44:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TYJUBBG6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387456AbgKFBoJ (ORCPT ); Thu, 5 Nov 2020 20:44:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730906AbgKFBoJ (ORCPT ); Thu, 5 Nov 2020 20:44:09 -0500 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DDE1C0613CF for ; Thu, 5 Nov 2020 17:44:09 -0800 (PST) Received: by mail-pl1-x642.google.com with SMTP id t18so1688633plo.0 for ; Thu, 05 Nov 2020 17:44:09 -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=LdpHwvSwkAX8/TcN2Q3DBfSl2iYNX3eKpngvvP3QfSg=; b=TYJUBBG6bE/iN3iBsYcNHbfVUzHc4fa8mducTah0xVhmjgo/kOag3WbIHZjAcIPiN8 VlbEE6k7sHB1Nvt5VydBapPo0RbNmVdivOUpMl6Zp+ammZDEGu7Q+hkRb9SWSn1RMQkf JQQNqvbF8b346EvhYDvixOvneG7pm5BeqifO8OHw/afGNboOpGku/RzQrzmeB2TGqExH DrB8GsNu6Mrg+kdm7il/QxXKoe+QvGIYInI1NFb6XgP8sAYGKxXAcnFR3yFBmH5iXGIU 8Q00CN28JFoYb/KKhK8KV1rgQSX+mgIMT1yvVIth7lOF1lmHgaMKpUT2ku6EnZcTx3+M 7oLw== 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=LdpHwvSwkAX8/TcN2Q3DBfSl2iYNX3eKpngvvP3QfSg=; b=GuEq4RgesAqfbRsjjrOPBuMwFxm008LD39PSZr9CYK9FOxMZ+Vkv/lbi/CrX7k50lX dmAkPR33H6fcAjTeVeCMBUnQgOkFytz5aalA+4ihyokJNbjsWguc+0pvFeFCFrZKsVcT PiniBSUkMbi81CYUju/nQIFiN6WR1tgxXW85WmJyjRHjMgzuekUxk9UPrZnp+4G6uP03 UmCDgRAXUpGAdo6ftMfMYLrZ8A8q3zp2JCZ2ZOSQOwSqOiITp3iBrot/9MKc2oVb8gBE fZxhxIu8/+hM73ZgXseSGFqlme6WHAlpXdt+UeOlfPe85HCA5PNoYp6+G0lm07O4hW8O NVeA== X-Gm-Message-State: AOAM5332eQhapEBB51kuYx9dIq1EHW4HHZ99+f9UA7CXzxqYgnAR3xvz E8+mcgYl6r6u0nrtWTlEAagMDA== X-Google-Smtp-Source: ABdhPJxRv8p0+8fQfig9wHvvZ9at3C5opiRe/gO8Eg6c8yH5so77jo9P3gwnoF7MNzo5KKBhzPCeTQ== X-Received: by 2002:a17:902:7281:b029:d6:c8e9:da75 with SMTP id d1-20020a1709027281b02900d6c8e9da75mr4519499pll.48.1604627048672; Thu, 05 Nov 2020 17:44:08 -0800 (PST) Received: from localhost ([2400:8904::f03c:91ff:fe8a:adf7]) by smtp.gmail.com with ESMTPSA id gm12sm3722804pjb.28.2020.11.05.17.44.07 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 05 Nov 2020 17:44:08 -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 , linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH v7 21/22] perf arm_spe: Decode memory tagging properties Date: Fri, 6 Nov 2020 09:41:35 +0800 Message-Id: <20201106014136.14103-22-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201106014136.14103-1-leo.yan@linaro.org> References: <20201106014136.14103-1-leo.yan@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 ec962a9bff78..4744048478ca 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_snprintf(&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 -- 2.17.1