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[2620:137:e000::1:20]) by mx.google.com with ESMTP id b5-20020a621b05000000b0063b8dcfdcdasi15044228pfb.37.2023.04.25.21.08.04; Tue, 25 Apr 2023 21:08:17 -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 S239258AbjDZDXR (ORCPT + 99 others); Tue, 25 Apr 2023 23:23:17 -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 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 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,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?1764210348492465324?= X-GMAIL-MSGID: =?utf-8?q?1764210348492465324?= 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: