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 DE833C3DA7D for ; Thu, 5 Jan 2023 21:44:39 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 78D2D3CCD36 for ; Thu, 5 Jan 2023 22:44:37 +0100 (CET) Received: from in-6.smtp.seeweb.it (in-6.smtp.seeweb.it [IPv6:2001:4b78:1:20::6]) (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 D97333CB62D for ; Thu, 5 Jan 2023 22:44:28 +0100 (CET) Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) (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-6.smtp.seeweb.it (Postfix) with ESMTPS id 543EA1400BF6 for ; Thu, 5 Jan 2023 22:44:27 +0100 (CET) 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-out1.suse.de (Postfix) with ESMTPS id 9EE698C048; Thu, 5 Jan 2023 21:44:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1672955065; 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=TkgzwCwEbD6jHedN///TWGQsNG8ND+yKW0934dxNQdA=; b=AmFt/OpssEARTqPH5QgjqJWvxsx7O3/ws0OqfjPBZIe4BccZD+jYepZqb5G2fT/7btsnzI lztdUTKhS1qX7jyrWBtFvqD9fM1oeuq1r0mwm2+Ipe5XgX6De461ShLPUl5lnk+nwT176p 90xMCNvYFTcTUgvA/H3u9C6PioD3UKo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1672955065; 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=TkgzwCwEbD6jHedN///TWGQsNG8ND+yKW0934dxNQdA=; b=D1z/sClQrd9tqYlIACEwfo9eQddcVHK8xGU816jCYJck0igHLrWgizqiphN/RKCpP4nJ+L WnloEyAfKeFBL2AA== 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 62D14138DF; Thu, 5 Jan 2023 21:44:25 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id MYhdFrlEt2PiSwAAMHmgww (envelope-from ); Thu, 05 Jan 2023 21:44:25 +0000 Date: Thu, 5 Jan 2023 22:44:23 +0100 From: Petr Vorel To: Martin Doucha Message-ID: References: <20230105134416.15853-1-mdoucha@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Virus-Scanned: clamav-milter 0.102.4 at in-6.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] ltp-aiodio.part4: Run DIT000 with only 1 reader process 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, > On 05. 01. 23 16:38, Petr Vorel wrote: > > But I wonder why changing just the first dio_truncate will fix it > > (obviously not). Could we detect RT and force -n 1 for it? > > (utsname.version should have "PREEMPT RT"). Obviously only from version which > > got affected. > It'll fix only one of the three tests. But I like having some direct I/O > stress tests for regular kernels so I've modified only one dio_truncate > instance. The other can be skipped manually on RT kernels. Make sense. > But let's add a warning to dio_truncate if it's running on RT kernel with > too many children so that users know that the failure is sometimes expected. Thank you! Reviewed-by: Petr Vorel Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp