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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 60B36C433F5 for ; Tue, 19 Apr 2022 05:07:59 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 8B8803CA646 for ; Tue, 19 Apr 2022 07:07:56 +0200 (CEST) Received: from in-7.smtp.seeweb.it (in-7.smtp.seeweb.it [217.194.8.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id A2EE43C012D for ; Tue, 19 Apr 2022 07:07:46 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-7.smtp.seeweb.it (Postfix) with ESMTPS id F109B200219 for ; Tue, 19 Apr 2022 07:07:45 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 233EF1F37D; Tue, 19 Apr 2022 05:07:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1650344863; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5Kd2Guv+hDw8qkUYPFE01k+PzNzRm6yTgDsvLzl2Mro=; b=NUN66tkKpXrfyD81MnhHcPY4X/qRMoSfWgOvqhY/gzGJhIF+KXyuoc1FtBHNeO1HqRJ+p5 KJ66cWRZ5DykdYOUr5FsXSS7auST96LHp9O5tnXLHvbZ4IYL0RMbMfBMTJddyhBvOsgEYv L2aSwfEK2MsE0vGGJtXeYqQHSdK90Dk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1650344863; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5Kd2Guv+hDw8qkUYPFE01k+PzNzRm6yTgDsvLzl2Mro=; b=moRqfR8GP2/f4DXtu2iXfA54FFVufME1Nj4zmXpAvx9rxoUtJMNuGpFjALXdd3TtbjtBMK U9B6PRahEndpyBAg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E735C132E7; Tue, 19 Apr 2022 05:07:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id AkFfNZ5DXmJzHQAAMHmgww (envelope-from ); Tue, 19 Apr 2022 05:07:42 +0000 Date: Tue, 19 Apr 2022 07:07:41 +0200 From: Petr Vorel To: Martin Doucha Message-ID: References: <20220411094424.15286-1-mdoucha@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220411094424.15286-1-mdoucha@suse.cz> X-Virus-Scanned: clamav-milter 0.102.4 at in-7.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] syscalls/io_submit: Flush IO completion queue X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi Martin, > Running io_submit01 or io_submit02 with high number of iterations > (e.g. io_submit01 -i 200) would result in bogus errors because the kernel > queue will get clogged with completed requests. Fix this by calling > io_getevents() to flush the completion queue. Thanks, merged! Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp