From patchwork Sun Jul 9 02:56:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yafang Shao X-Patchwork-Id: 13305746 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60C6BEB64DD for ; Sun, 9 Jul 2023 02:56:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbjGIC46 (ORCPT ); Sat, 8 Jul 2023 22:56:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229958AbjGIC46 (ORCPT ); Sat, 8 Jul 2023 22:56:58 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56852E46; Sat, 8 Jul 2023 19:56:57 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-666fb8b1bc8so2845488b3a.1; Sat, 08 Jul 2023 19:56:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1688871417; x=1691463417; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=lmn/J0m18ChUNDG/jbgxTf8qt/gy0+Rcvl4FysRc17s=; b=iG30GLEwKUVXpgrlWpKzj1MkKwo9CBiDRco/LA3H8spD2XlPEt7FPL3VwlGWGVlHAy o2bn07B7xbZwD85oo7mgJbbQzz1iTmvkLchKeKkC09X8rBWsORtBHAoQx/3UYQGmybT3 AxZWM3ThEgw8ItdbruhmEUSSGu8PCtJYUoWFx1xUqmiSHcMGdMLpvhAJ4lsZ1y56a3Oy fpgFYpQktqCAnEkrmQ9Iu+5N2TahLjpry7FlgamHfGNV4beTR3kx+WcDzHR2b9FEe3Hr xjseWWC44HGZLVoT7W/cIBgJtKD8ooesiBcSrml/Gx7mJ82AYQa0DHqwjF7CD+3M+2+9 8Hpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688871417; x=1691463417; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lmn/J0m18ChUNDG/jbgxTf8qt/gy0+Rcvl4FysRc17s=; b=BnFtg6W5OYBl6fSvqDZmAaIFrupq+XnaNZXJ7nlc59/kVkxEvY/P9AcaX/eRMt1UAk NGw16mVj68tKmKT5E9UOavIG0mqZl2l3w6KL4XR9tZIEfdgbJDz0+wI2xuOzkd6vxY+4 FuUJ5Is2Q39XntouuTc18qN2IIUZ0GU0AYEnkwESnfT7QeraWHJtJ2H1iMqyw6xJcMJw Jv146AVlSt2/1fpwe8cv9VruXeZ+MCF+5pyrd9t5AGkQ/5FfNeCWR08JTziVTsk0VMm0 YTUVc7KGlXgBJ2fw/LnzBH/34RwXJdTNuiQFeccBPZLNM8LcOHbZl6NF0ehSO6KeoaMM GsWw== X-Gm-Message-State: ABy/qLaMi8HhgQLPtedeo3bUeO4H+OgfGUQ76LQNApaR7nk0WYB4W5xQ jXJ5YPt3jrmwlyxTX7Wes0U= X-Google-Smtp-Source: APBJJlEt8F7/3IeKeoQKunK70wYNQiLJs6f+BseKejb/EGTtwLQeSWO1V148eLwWX7mLBhnyz35Efw== X-Received: by 2002:a05:6a00:b51:b0:668:8545:cbeb with SMTP id p17-20020a056a000b5100b006688545cbebmr13048378pfo.15.1688871416758; Sat, 08 Jul 2023 19:56:56 -0700 (PDT) Received: from vultr.guest ([2001:19f0:ac01:14bb:5400:4ff:fe80:41df]) by smtp.gmail.com with ESMTPSA id e9-20020aa78249000000b00682ad247e5fsm5043421pfn.179.2023.07.08.19.56.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Jul 2023 19:56:56 -0700 (PDT) From: Yafang Shao To: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, quentin@isovalent.com, rostedt@goodmis.org, mhiramat@kernel.org Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Yafang Shao , Jiri Olsa Subject: [PATCH v7 bpf-next 09/10] bpftool: Add perf event names Date: Sun, 9 Jul 2023 02:56:29 +0000 Message-Id: <20230709025630.3735-10-laoar.shao@gmail.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230709025630.3735-1-laoar.shao@gmail.com> References: <20230709025630.3735-1-laoar.shao@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Add new functions and macros to get perf event names. These names except the perf_type_name are all copied from tool/perf/util/{parse-events,evsel}.c, so that in the future we will have a good chance to use the same code. Suggested-by: Jiri Olsa Signed-off-by: Yafang Shao Reviewed-by: Quentin Monnet Acked-by: Jiri Olsa --- tools/bpf/bpftool/link.c | 67 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c index a4f5a436777f..8e4d9176a6e8 100644 --- a/tools/bpf/bpftool/link.c +++ b/tools/bpf/bpftool/link.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include @@ -19,6 +20,72 @@ static struct hashmap *link_table; static struct dump_data dd; +static const char *perf_type_name[PERF_TYPE_MAX] = { + [PERF_TYPE_HARDWARE] = "hardware", + [PERF_TYPE_SOFTWARE] = "software", + [PERF_TYPE_TRACEPOINT] = "tracepoint", + [PERF_TYPE_HW_CACHE] = "hw-cache", + [PERF_TYPE_RAW] = "raw", + [PERF_TYPE_BREAKPOINT] = "breakpoint", +}; + +const char *event_symbols_hw[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = "cpu-cycles", + [PERF_COUNT_HW_INSTRUCTIONS] = "instructions", + [PERF_COUNT_HW_CACHE_REFERENCES] = "cache-references", + [PERF_COUNT_HW_CACHE_MISSES] = "cache-misses", + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "branch-instructions", + [PERF_COUNT_HW_BRANCH_MISSES] = "branch-misses", + [PERF_COUNT_HW_BUS_CYCLES] = "bus-cycles", + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = "stalled-cycles-frontend", + [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = "stalled-cycles-backend", + [PERF_COUNT_HW_REF_CPU_CYCLES] = "ref-cycles", +}; + +const char *event_symbols_sw[PERF_COUNT_SW_MAX] = { + [PERF_COUNT_SW_CPU_CLOCK] = "cpu-clock", + [PERF_COUNT_SW_TASK_CLOCK] = "task-clock", + [PERF_COUNT_SW_PAGE_FAULTS] = "page-faults", + [PERF_COUNT_SW_CONTEXT_SWITCHES] = "context-switches", + [PERF_COUNT_SW_CPU_MIGRATIONS] = "cpu-migrations", + [PERF_COUNT_SW_PAGE_FAULTS_MIN] = "minor-faults", + [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = "major-faults", + [PERF_COUNT_SW_ALIGNMENT_FAULTS] = "alignment-faults", + [PERF_COUNT_SW_EMULATION_FAULTS] = "emulation-faults", + [PERF_COUNT_SW_DUMMY] = "dummy", + [PERF_COUNT_SW_BPF_OUTPUT] = "bpf-output", + [PERF_COUNT_SW_CGROUP_SWITCHES] = "cgroup-switches", +}; + +const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] = { + [PERF_COUNT_HW_CACHE_L1D] = "L1-dcache", + [PERF_COUNT_HW_CACHE_L1I] = "L1-icache", + [PERF_COUNT_HW_CACHE_LL] = "LLC", + [PERF_COUNT_HW_CACHE_DTLB] = "dTLB", + [PERF_COUNT_HW_CACHE_ITLB] = "iTLB", + [PERF_COUNT_HW_CACHE_BPU] = "branch", + [PERF_COUNT_HW_CACHE_NODE] = "node", +}; + +const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] = { + [PERF_COUNT_HW_CACHE_OP_READ] = "load", + [PERF_COUNT_HW_CACHE_OP_WRITE] = "store", + [PERF_COUNT_HW_CACHE_OP_PREFETCH] = "prefetch", +}; + +const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [PERF_COUNT_HW_CACHE_RESULT_ACCESS] = "refs", + [PERF_COUNT_HW_CACHE_RESULT_MISS] = "misses", +}; + +#define perf_event_name(array, id) ({ \ + const char *event_str = NULL; \ + \ + if ((id) >= 0 && (id) < ARRAY_SIZE(array)) \ + event_str = array[id]; \ + event_str; \ +}) + static int link_parse_fd(int *argc, char ***argv) { int fd;