From patchwork Tue Jun 20 16:30:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yafang Shao X-Patchwork-Id: 13286186 X-Patchwork-Delegate: bpf@iogearbox.net Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C80C18C3F for ; Tue, 20 Jun 2023 16:30:40 +0000 (UTC) Received: from mail-oa1-x2e.google.com (mail-oa1-x2e.google.com [IPv6:2001:4860:4864:20::2e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7E471726; Tue, 20 Jun 2023 09:30:36 -0700 (PDT) Received: by mail-oa1-x2e.google.com with SMTP id 586e51a60fabf-1a49716e9c5so4880387fac.1; Tue, 20 Jun 2023 09:30:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687278635; x=1689870635; 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=+yg3oyB1aA8EDGcuJKMbke6ndCq042NOuKuhG7HtCWg=; b=LmDEI2GJ6daj42TcQdHOfDcLrbzLSubN76eoGAZPfPyE1WWZU+nhmqSYwLKS/pPYnL eSzcc4WnrWsge3DKC1wstjCLwL50Ag7tLcrNco1ZiFjRyzFr8gXK+dvMeuad25OsRLDP nim8kv7lAPkC3oJyTBa7gjeFzdOjWAYr35EQDkkAkabXzShc+aOVT4Ps6V12F+bl11TF fVrdCTm+yINKeEJo17zBADNuHd2HWfVTHY6nqxUGZApVOmbdtSIgGYrrj6iiBqbu61QY aPHu9JBjS2qlxl+t6r4lUyg4ep8hBLmqTuKGmoCl0SQ5dEbfXin9ed5qsWMg+8UAYlm9 rXvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687278635; x=1689870635; 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=+yg3oyB1aA8EDGcuJKMbke6ndCq042NOuKuhG7HtCWg=; b=hWzRQRGQkm2uPC26tz0KoAEh79+nN3zFigjUaxp12LrT5KYkI80dQ6QVJrc6hfd2Ub RtgGk3FLbjPU2LV8HXX2C/QfeAFf/TANCfSPbuahTMayHPdPA3y3m550U6DhTZM8GN5L U8KOWH//YNB9l2CnGDhoErUW/610KiYVtEp2YHV3k4zhRTaKv22f9uPZjRJCox+9nACo 5LgX1SsmW507xqPwXKkMS7zaCIyq9r12anvBzRpJLHUINDn/9RBgWV/J0+QKQ3N2+3+X FqrEFxlrw6OsH8qPv7P2TJtSZnpqf+3nRbigb/mIqIApJMBfP0atWJAK/9fxqu7KtgDe 3qkQ== X-Gm-Message-State: AC+VfDzGA1RSbFd1GeB98PM9NGzIgAdxMZ1nFVc05/4DTcSwrn+F0df3 2i86/D0sBJTlHRMkPPi6lao= X-Google-Smtp-Source: ACHHUZ4l0Nkewmd6HpHHCkwMRB/Uu1WXwvsoLgxJajd4WtNILtL8MyCpzCEJ6285aKko2gufSoqCrw== X-Received: by 2002:a54:4090:0:b0:398:4a82:76e1 with SMTP id i16-20020a544090000000b003984a8276e1mr13371472oii.36.1687278635392; Tue, 20 Jun 2023 09:30:35 -0700 (PDT) Received: from vultr.guest ([2001:19f0:ac02:b96:5400:4ff:fe7b:3b23]) by smtp.gmail.com with ESMTPSA id t8-20020a17090a3b4800b0025c1cfdb93esm1854286pjf.13.2023.06.20.09.30.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jun 2023 09:30:34 -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 v4 bpf-next 10/11] bpftool: Add perf event names Date: Tue, 20 Jun 2023 16:30:07 +0000 Message-Id: <20230620163008.3718-11-laoar.shao@gmail.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230620163008.3718-1-laoar.shao@gmail.com> References: <20230620163008.3718-1-laoar.shao@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: bpf@iogearbox.net Add new functions and macros to get perf event names. These names are 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 --- 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 90b51de..9274d59 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;