From nobody Wed Dec 17 15:13:44 2025 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 DEBA3EB64D7 for ; Fri, 23 Jun 2023 05:46:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230306AbjFWFq4 (ORCPT ); Fri, 23 Jun 2023 01:46:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230010AbjFWFqw (ORCPT ); Fri, 23 Jun 2023 01:46:52 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F15AA26B7; Thu, 22 Jun 2023 22:46:16 -0700 (PDT) Received: from kwepemm600003.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4QnR425MhLztQnS; Fri, 23 Jun 2023 13:43:30 +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 15.1.2507.27; Fri, 23 Jun 2023 13:46:09 +0800 From: Yang Jihong To: , , , , , , , , , , , , CC: Subject: [PATCH v5 2/4] perf tools: Extend PRINT_ATTRf to support printing of members with a value of 0 Date: Fri, 23 Jun 2023 05:44:14 +0000 Message-ID: <20230623054416.160858-3-yangjihong1@huawei.com> X-Mailer: git-send-email 2.30.GIT In-Reply-To: <20230623054416.160858-1-yangjihong1@huawei.com> References: <20230623054416.160858-1-yangjihong1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.174.95] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600003.china.huawei.com (7.193.23.202) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When printing attr, members whose value is 0 will not be printed, we want to print the case where attr->type is 0(PERF_TYPE_HARDWARE), add `_a` param to PRINT_ATTRf macro to always print member when it is true No functional change. Signed-off-by: Yang Jihong Acked-by: Adrian Hunter --- tools/perf/util/perf_event_attr_fprintf.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/perf_event_attr_fprintf.c b/tools/perf/util/pe= rf_event_attr_fprintf.c index 7e5e7b30510d..433029c6afc5 100644 --- a/tools/perf/util/perf_event_attr_fprintf.c +++ b/tools/perf/util/perf_event_attr_fprintf.c @@ -80,15 +80,15 @@ static void __p_read_format(char *buf, size_t size, u64= value) #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, va= l) #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val) =20 -#define PRINT_ATTRn(_n, _f, _p) \ +#define PRINT_ATTRn(_n, _f, _p, _a) \ do { \ - if (attr->_f) { \ + if (_a || attr->_f) { \ _p(attr->_f); \ ret +=3D attr__fprintf(fp, _n, buf, priv);\ } \ } while (0) =20 -#define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p) +#define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p, false) =20 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, attr__fprintf_f attr__fprintf, void *priv) @@ -99,7 +99,7 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_= attr *attr, PRINT_ATTRf(type, p_unsigned); PRINT_ATTRf(size, p_unsigned); PRINT_ATTRf(config, p_hex); - PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned); + PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned, = false); PRINT_ATTRf(sample_type, p_sample_type); PRINT_ATTRf(read_format, p_read_format); =20 @@ -141,10 +141,10 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_ev= ent_attr *attr, PRINT_ATTRf(remove_on_exec, p_unsigned); PRINT_ATTRf(sigtrap, p_unsigned); =20 - PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsig= ned); + PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsig= ned, false); PRINT_ATTRf(bp_type, p_unsigned); - PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex); - PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex); + PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex, false); + PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex, false); PRINT_ATTRf(branch_sample_type, p_branch_sample_type); PRINT_ATTRf(sample_regs_user, p_hex); PRINT_ATTRf(sample_stack_user, p_unsigned); --=20 2.30.GIT