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 D61D6CA0FE1 for ; Fri, 1 Sep 2023 12:16:23 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id B58253CC4A6 for ; Fri, 1 Sep 2023 14:16:19 +0200 (CEST) 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 93BFE3CBB99 for ; Fri, 1 Sep 2023 14:16:10 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) (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 A3623140139D for ; Fri, 1 Sep 2023 14:16:09 +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 A94371F853; Fri, 1 Sep 2023 12:16:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1693570568; h=from:from: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=V9wg6GhtzGEdCok6MQPLAd/w3sxLjxjV6a3F263jkSg=; b=TJG1bCaIznaMR9iGYtYEf4qH1mHP4FzDUbD29K2ufaaylqOL3H6P4F08LSnsGnYG5MoTG+ Ez+CpkZ7KgWar1DlwvhbJxnTyKnE+SlQUb7Y5rEgQzuYcg4nlRLwqlP4ffLT8JT5EAWtPt H8pFTXwekNU1/tB7NF6kzrFExktYA9M= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1693570568; h=from:from: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=V9wg6GhtzGEdCok6MQPLAd/w3sxLjxjV6a3F263jkSg=; b=BnEtzmepusbE73U1EVo8dU3V9QT93OS5hTGoGWsXuqQy5MfWUUOof3NwsGCzDCNzYK4l7F oPfwVfkULSl/P+Aw== 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 953701358B; Fri, 1 Sep 2023 12:16:08 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id is+TIQjW8WRaHQAAMHmgww (envelope-from ); Fri, 01 Sep 2023 12:16:08 +0000 Date: Fri, 1 Sep 2023 14:16:43 +0200 From: Cyril Hrubis To: Petr Vorel Message-ID: References: <20230829073821.2580-1-andrea.cervesato@suse.de> <20230901103758.GC323151@pevik> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230901103758.GC323151@pevik> X-Virus-Scanned: clamav-milter 1.0.1 at in-6.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v3] Add process_madvise01 test 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: , 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! > > > + TST_EXP_EXPR(map_before.swap < map_after.swap, > > > + "Most of the memory has been swapped out: %dkB out of %dkB", > > > + map_after.swap, > > > Although it's unlikely that map_before.swap will be non-zero we should > > print the difference here, so I've changed this part to: > > > map_after.swap - map_before.swap > > > And pushed, thanks. > > FYI this new test is failing on current openSUSE Tumbleweed (kernel 6.4.12-1): > > tst_test.c:1559: TINFO: Timeout per run is 0h 00m 30s > process_madvise01.c:38: TINFO: Allocate memory: 1048576 bytes > process_madvise01.c:99: TINFO: Reclaim memory using MADV_PAGEOUT > process_madvise01.c:62: TFAIL: Expect: Most of the memory has been swapped out: 0kB out of 1024kB > > Summary: > passed 0 > failed 1 > broken 0 > skipped 0 > warnings 0 > > Test works well on current Debian unstable with kernel 6.4.11. > Could you please have a look if it's a test or a kernel bug? Does the machine where it fails even have any swap? I suppose that we should check for: 1) CONFIG_SWAP in the kernel .config 2) /proc/meminfo SwapFree: > $pagesize kB I guess that the madvise kicks off the kernel swapper, but it may take some time for the memory to be actually swapped. -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp