From patchwork Mon May 15 08:57:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Jihong X-Patchwork-Id: 93986 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp6780877vqo; Mon, 15 May 2023 02:23:06 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7u3HuuhoiDFvDg2BNCPMGJ8wj/vYODbzD58oEpUeEYhvNDI9uTaGtRcOpc4/tg4dUAI8vA X-Received: by 2002:a17:902:d483:b0:1ac:896f:f655 with SMTP id c3-20020a170902d48300b001ac896ff655mr30729528plg.50.1684142586470; Mon, 15 May 2023 02:23:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684142586; cv=none; d=google.com; s=arc-20160816; b=aBZP1c1gg0g884EbPbX5gXzsp9fGGVtX9B4Di9EnIjueUp30B6cbdrj2fNf5VkeZA/ 2r/ckcaR07PhIcy7CmbESPCxb6CNF/auY4aPFdPcl7lAkDPhC8CVyjLniRFxtXZcaNjO GL7BjyKONzqZWhgMkoGAi6KDUC5Cmj0tLaXLwpWVudrea7dOcGYAZgLz/HcfPosBT4SP jPOJthynBFx/Uh/x6VLLIq4Yh7hrPjv/F9ycMN9jcM8XC1DEBeM4uNNm7yUWWSETzcRG US85FLaPNKmbirRjZpJkqiu/apfsXGF63BBT1RznpfSKRa7GHuGj54RtpruCAFjtU6m9 TryA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=7vSfAOlXSvZowHpe954LfQFX87JarSVB1gv7ptgNtRI=; b=JOy+cfETa04d3+olwcJCx9gatasmQaRRMujIu5hi7th+xK52Pe6BN3Bhfa+4Q+yB3L sgRwnvWOU8lCam64hR/0TIJ9u1SMhNxEWx6cu7H/KP4lS1YzQhbN/KBVKnlKib/3cEmO eV/UcvwE4yQEQ8FmFVeC1PYdRfmSF3ivHH9pbAH4qIbec63lOB5KbYjtSHVm2inOSD+8 JttQNbwgMCAjVztFbJfDYEV6Lig+sKTB2WRdyw7h9tSVc0IMTZSd3dIAyg9o4q2PfPGn /TgisQxz8nLSuewmhCs3pDSKtbCBtOgPLcdXOmJY6zH/jv6h30bXOFwDcJqLwJDzpAUg F/dw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id k5-20020a170902694500b001a986ca38easi14936328plt.15.2023.05.15.02.22.53; Mon, 15 May 2023 02:23:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239105AbjEOI7K (ORCPT + 99 others); Mon, 15 May 2023 04:59:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238696AbjEOI6v (ORCPT ); Mon, 15 May 2023 04:58:51 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F064D1989; Mon, 15 May 2023 01:58:45 -0700 (PDT) Received: from kwepemm600003.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4QKY7p3ZSfzTkgm; Mon, 15 May 2023 16:53:58 +0800 (CST) Received: from localhost.localdomain (10.67.174.95) by kwepemm600003.china.huawei.com (7.193.23.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Mon, 15 May 2023 16:58:43 +0800 From: Yang Jihong To: , , , , , , , , , , , , CC: Subject: [PATCH v3 3/4] perf tools: Add printing perf_event_attr type symbol in perf_event_attr__fprintf() Date: Mon, 15 May 2023 08:57:06 +0000 Message-ID: <20230515085707.124549-4-yangjihong1@huawei.com> X-Mailer: git-send-email 2.30.GIT In-Reply-To: <20230515085707.124549-1-yangjihong1@huawei.com> References: <20230515085707.124549-1-yangjihong1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.95] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600003.china.huawei.com (7.193.23.202) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765951497051348937?= X-GMAIL-MSGID: =?utf-8?q?1765951497051348937?= When printing perf_event_attr, always display perf_event_attr type and its symbol to improve the readability of debugging information. Before: # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true ------------------------------------------------------------ perf_event_attr: size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 ------------------------------------------------------------ perf_event_attr: type 1 size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 ------------------------------------------------------------ perf_event_attr: type 2 size 136 config 0x143 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 ------------------------------------------------------------ perf_event_attr: type 3 size 136 config 0x10005 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 ------------------------------------------------------------ perf_event_attr: type 4 size 136 config 0x101 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 ------------------------------------------------------------ perf_event_attr: type 5 size 136 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 bp_type 3 { bp_len, config2 } 0x4 ------------------------------------------------------------ After: # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true ------------------------------------------------------------ perf_event_attr: type 0 (PERF_TYPE_HARDWARE) size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 ------------------------------------------------------------ perf_event_attr: type 1 (PERF_TYPE_SOFTWARE) size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 ------------------------------------------------------------ perf_event_attr: type 2 (PERF_TYPE_TRACEPOINT) size 136 config 0x143 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 ------------------------------------------------------------ perf_event_attr: type 3 (PERF_TYPE_HW_CACHE) size 136 config 0x10005 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 ------------------------------------------------------------ perf_event_attr: type 4 (PERF_TYPE_RAW) size 136 config 0x101 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 ------------------------------------------------------------ perf_event_attr: type 5 (PERF_TYPE_BREAKPOINT) size 136 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 bp_type 3 { bp_len, config2 } 0x4 ------------------------------------------------------------ Signed-off-by: Yang Jihong --- tools/perf/util/perf_event_attr_fprintf.c | 32 ++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/perf_event_attr_fprintf.c b/tools/perf/util/perf_event_attr_fprintf.c index 433029c6afc5..05e000e310ce 100644 --- a/tools/perf/util/perf_event_attr_fprintf.c +++ b/tools/perf/util/perf_event_attr_fprintf.c @@ -71,6 +71,35 @@ static void __p_read_format(char *buf, size_t size, u64 value) __p_bits(buf, size, value, bits); } +static void print_id(char *buf, size_t size, u64 value, const char *str) +{ + if (str == NULL) + snprintf(buf, size, "%"PRIu64, value); + else + snprintf(buf, size, "%"PRIu64" (%s)", value, str); +} + +#define ENUM_ID_TO_STR_CASE(x) case x: return (#x); +static const char *stringify_perf_type_id(u64 value) +{ + switch (value) { + ENUM_ID_TO_STR_CASE(PERF_TYPE_HARDWARE) + ENUM_ID_TO_STR_CASE(PERF_TYPE_SOFTWARE) + ENUM_ID_TO_STR_CASE(PERF_TYPE_TRACEPOINT) + ENUM_ID_TO_STR_CASE(PERF_TYPE_HW_CACHE) + ENUM_ID_TO_STR_CASE(PERF_TYPE_RAW) + ENUM_ID_TO_STR_CASE(PERF_TYPE_BREAKPOINT) + default: + return NULL; + } +} +#undef ENUM_ID_TO_STR_CASE + +static void __p_type_id(char *buf, size_t size, u64 value) +{ + print_id(buf, size, value, stringify_perf_type_id(value)); +} + #define BUF_SIZE 1024 #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val)) @@ -79,6 +108,7 @@ static void __p_read_format(char *buf, size_t size, u64 value) #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val) #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val) #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val) +#define p_type_id(val) __p_type_id(buf, BUF_SIZE, val) #define PRINT_ATTRn(_n, _f, _p, _a) \ do { \ @@ -96,7 +126,7 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, char buf[BUF_SIZE]; int ret = 0; - PRINT_ATTRf(type, p_unsigned); + PRINT_ATTRn("type", type, p_type_id, true); PRINT_ATTRf(size, p_unsigned); PRINT_ATTRf(config, p_hex); PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned, false);