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 X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 070E1C433E2 for ; Wed, 2 Sep 2020 08:55:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7FED207EA for ; Wed, 2 Sep 2020 08:55:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599036934; bh=XSL6G6Qu2uR5HLAFtRocNyj4crqp5skmu2VNvQ7XRR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vLup+w4sEZFqUP3P6AU0m+alY9+sdIN2cjwX9fQ1RvCU+uXKyFfi/dRuSsQtnv1sH AmAQT85NUgm14RjA1qnCu5iQata6xNNOgOdCwH3NJWp9CrJRWI/fs/0fHpryCE91mj 5IllO4UveWXjKVvQ00/lc7tWuPpcfEJgL6851UCY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726762AbgIBIzc (ORCPT ); Wed, 2 Sep 2020 04:55:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:35030 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726307AbgIBIza (ORCPT ); Wed, 2 Sep 2020 04:55:30 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2B895207EA; Wed, 2 Sep 2020 08:55:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599036929; bh=XSL6G6Qu2uR5HLAFtRocNyj4crqp5skmu2VNvQ7XRR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lUOo8gxWvD+LiR0t4vNlt6pHdphs40iKwRlOAPyuFeQKwCB6tpFJHnRZkgkJeeBk9 aRljgbYCwf9fyPels69KSbJKoMMNmN5Dmtz9zZujA4B2byKnaDGzDJBeOMn+MIcFrA ubMEIuOP+8X7+xEKP94hnM//nJmVCOo2R/dhda4A= From: Leon Romanovsky To: Linus Torvalds , Peter Oberparleiter Cc: Leon Romanovsky , linux-kernel@vger.kernel.org, Colin Ian King , Andrew Morton Subject: [PATCH rdma-next 4/4] gcov: Don't print out-of-memory print for all failed files Date: Wed, 2 Sep 2020 11:55:13 +0300 Message-Id: <20200902085513.748149-5-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200902085513.748149-1-leon@kernel.org> References: <20200902085513.748149-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Leon Romanovsky Once GCOV fails to duplicate information, the following error is printed: gcov: could not save data for '/home/leonro/src/kernel/drivers/infiniband/hw/mlx5/std_types.gcda' (out of memory) In the event of out-of-memory such prints are seen for almost every kernel file, so instead of spamming dmesg, we print the first failure and inform the user that future prints are suppressed. Cc: Colin Ian King Signed-off-by: Leon Romanovsky --- kernel/gcov/fs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c index 82babf5aa077..b74d426ca99e 100644 --- a/kernel/gcov/fs.c +++ b/kernel/gcov/fs.c @@ -685,8 +685,9 @@ static void save_info(struct gcov_node *node, struct gcov_info *info) else { node->unloaded_info = gcov_info_dup(info); if (!node->unloaded_info) { - pr_warn("could not save data for '%s' " - "(out of memory)\n", + pr_warn_once( + "could not save data for first file '%s' " + "(out of memory), other files are suppressed\n", gcov_info_filename(info)); } } -- 2.26.2