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=-10.0 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, UNWANTED_LANGUAGE_BODY,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 BEAC4C2D0A3 for ; Fri, 6 Nov 2020 09:50:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FE3C20A8B for ; Fri, 6 Nov 2020 09:50:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="UvGKpOWg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727092AbgKFJuQ (ORCPT ); Fri, 6 Nov 2020 04:50:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbgKFJuM (ORCPT ); Fri, 6 Nov 2020 04:50:12 -0500 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62327C0613CF for ; Fri, 6 Nov 2020 01:50:12 -0800 (PST) Received: by mail-pf1-x444.google.com with SMTP id c20so824251pfr.8 for ; Fri, 06 Nov 2020 01:50:12 -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=/dwHpj1cW3L4kr58+zXOY+yCLUfLvqEMwWKgfEwMH/s=; b=UvGKpOWgoGOeeQEEqmtcQf04za5UTPBliknXTiFSg9S/PyE+v26r+EVnmD/gTW7uxq roBqFZxXykjYtFd2p0+YRpAGeUODSltiLqO20ZMiPnV6gllgsf91le3smtYsmEgvyMHJ NfZyl52rlzEXQ/aMTj1YxQsqjcnKaTSlMT5hKzNt/AxKCwPJSmCLKwOcjmIA/E6am87j j7Y2oyJCW/QsSQvDgq+GI/HxWwQMGM7SaCxk0ApT49O5mIN/Ox0m5Gl9eLYJYPez1Ft2 gnU76O3nkPEvmT21qbqTpd+26NxqS2vnVHUlv89F1295fWtEBE5AxB2qs9k/v85QT3wK LB9w== 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=/dwHpj1cW3L4kr58+zXOY+yCLUfLvqEMwWKgfEwMH/s=; b=iS7nb6PBe3yAtJSCh2LYhECKOGLs5SxlELmPKvApmOJUN2pXCjoIkXb31zGr8R9jls 1peHvfHT/10HkAH40dcnWh1j1imgLGfT6zxxMJmKLJl6LvvP15+5CMl5gvmw5op+wPh8 1B9ndIagtMoVtavIBBsEGshZeSFKn0pltsJzyl6JhNHnczflxRgVXdOULqrXsYGublD5 4S3slfCiSASROWJtHSCw4rnw06cqc6r+dSDdYyvj70UEJL5ZSfi95qs49LBAk+SJuOdG wmqumkGuomLIUaLqh5IjaQOk7pcjLx5q1bOqdPCbBU+rg8xlPsZzC0fCt2cfEtO7Cb49 v5rg== X-Gm-Message-State: AOAM532ZJEiQPoXoF+TDMlApXEDchZsP7sK3xjsueGGeYXJKVc0dMsry aFqNH2AEEg67mL/YRJgkeypG9Q== X-Google-Smtp-Source: ABdhPJxqvanSRvZbftvV9fjdwCxxQT0SoSe+H3ocssOuZ22lX0l5tNpnrlTKmm5zvL+mOpaxwfNJSQ== X-Received: by 2002:a65:40ca:: with SMTP id u10mr1036986pgp.71.1604656211967; Fri, 06 Nov 2020 01:50:11 -0800 (PST) Received: from localhost ([2400:8904::f03c:91ff:fe8a:adf7]) by smtp.gmail.com with ESMTPSA id h5sm1545090pfk.126.2020.11.06.01.50.11 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 06 Nov 2020 01:50:11 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Jiri Olsa , Ian Rogers , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Namhyung Kim , John Garry , Will Deacon , Mathieu Poirier , Adrian Hunter , Andi Kleen , Kemeng Shi , Sergey Senozhatsky , Al Grant , James Clark , Wei Li , Andre Przywara , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan Subject: [PATCH v4 9/9] perf mem: Support Arm SPE events Date: Fri, 6 Nov 2020 17:48:53 +0800 Message-Id: <20201106094853.21082-10-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201106094853.21082-1-leo.yan@linaro.org> References: <20201106094853.21082-1-leo.yan@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds Arm SPE events for perf memory profiling: 'spe-load': event for only recording memory load ops; 'spe-store': event for only recording memory store ops; 'spe-ldst': event for recording memory load and store ops. Signed-off-by: Leo Yan --- tools/perf/arch/arm64/util/Build | 2 +- tools/perf/arch/arm64/util/mem-events.c | 37 +++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 1 deletion(-) create mode 100644 tools/perf/arch/arm64/util/mem-events.c diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build index 8d2b9bcfffca..ead2f2275eee 100644 --- a/tools/perf/arch/arm64/util/Build +++ b/tools/perf/arch/arm64/util/Build @@ -10,4 +10,4 @@ perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o perf-$(CONFIG_AUXTRACE) += ../../arm/util/pmu.o \ ../../arm/util/auxtrace.o \ ../../arm/util/cs-etm.o \ - arm-spe.o + arm-spe.o mem-events.o diff --git a/tools/perf/arch/arm64/util/mem-events.c b/tools/perf/arch/arm64/util/mem-events.c new file mode 100644 index 000000000000..2a2497372671 --- /dev/null +++ b/tools/perf/arch/arm64/util/mem-events.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "map_symbol.h" +#include "mem-events.h" + +#define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s } + +static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = { + E("spe-load", "arm_spe_0/ts_enable=1,load_filter=1,store_filter=0,min_latency=%u/", "arm_spe_0"), + E("spe-store", "arm_spe_0/ts_enable=1,load_filter=0,store_filter=1/", "arm_spe_0"), + E("spe-ldst", "arm_spe_0/ts_enable=1,load_filter=1,store_filter=1,min_latency=%u/", "arm_spe_0"), +}; + +static char mem_ev_name[100]; + +struct perf_mem_event *perf_mem_events__ptr(int i) +{ + if (i >= PERF_MEM_EVENTS__MAX) + return NULL; + + return &perf_mem_events[i]; +} + +char *perf_mem_events__name(int i) +{ + struct perf_mem_event *e = perf_mem_events__ptr(i); + + if (i >= PERF_MEM_EVENTS__MAX) + return NULL; + + if (i == PERF_MEM_EVENTS__LOAD || i == PERF_MEM_EVENTS__LOAD_STORE) + scnprintf(mem_ev_name, sizeof(mem_ev_name), + e->name, perf_mem_events__loads_ldlat); + else /* PERF_MEM_EVENTS__STORE */ + scnprintf(mem_ev_name, sizeof(mem_ev_name), e->name); + + return mem_ev_name; +} -- 2.17.1