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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 255FAC77B73 for ; Wed, 26 Apr 2023 03:23:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239218AbjDZDXO (ORCPT ); Tue, 25 Apr 2023 23:23:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239146AbjDZDXJ (ORCPT ); Tue, 25 Apr 2023 23:23:09 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 912B71FE2; Tue, 25 Apr 2023 20:23:08 -0700 (PDT) Received: from kwepemi500013.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Q5kcL367Fz18KJN; Wed, 26 Apr 2023 11:19:14 +0800 (CST) Received: from M910t.huawei.com (10.110.54.157) by kwepemi500013.china.huawei.com (7.221.188.120) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Wed, 26 Apr 2023 11:23:05 +0800 From: Changbin Du To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo CC: Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , , , Hui Wang , Changbin Du Subject: [PATCH] perf: unwind: suppress massive unsupported target platform errors Date: Wed, 26 Apr 2023 11:22:46 +0800 Message-ID: <20230426032246.3608596-1-changbin.du@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.110.54.157] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500013.china.huawei.com (7.221.188.120) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org When cross-analyzing perf data recorded on an another platform, massive unsupported target platform errors are printed. So let's show this message as warning and only once. Signed-off-by: Changbin Du --- tools/perf/util/unwind-libunwind.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c index 509c287ee762..e95adbedf6ed 100644 --- a/tools/perf/util/unwind-libunwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -54,7 +54,7 @@ int unwind__prepare_access(struct maps *maps, struct map *map, bool *initialized } if (!ops) { - pr_err("unwind: target platform=%s is not supported\n", arch); + pr_warning_once("unwind: target platform=%s is not supported\n", arch); return 0; } out_register: -- 2.25.1