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 954E3C4167B for ; Tue, 5 Dec 2023 20:11:57 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 137703CFB35 for ; Tue, 5 Dec 2023 21:11:55 +0100 (CET) Received: from in-3.smtp.seeweb.it (in-3.smtp.seeweb.it [IPv6:2001:4b78:1:20::3]) (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 3DC1E3CBF62 for ; Tue, 5 Dec 2023 21:11:44 +0100 (CET) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (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-3.smtp.seeweb.it (Postfix) with ESMTPS id 1D2211A008AA for ; Tue, 5 Dec 2023 21:11:43 +0100 (CET) Received: from imap2.dmz-prg2.suse.org (imap2.dmz-prg2.suse.org [10.150.64.98]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 419C721FA2; Tue, 5 Dec 2023 20:11:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1701807102; 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=NcZp6Q9n1ETvC4Ib56t5rnRxOgltM3X6MJYxUgE55hk=; b=wzx0JPByAdUSw9rhbHnb+Eo+qtD539QYEhmSB+jxjYd8VtIVN9ughMfYx7MWaidkMjz4NI 8j52TbZSfLYO27zNW6LO603ATIGo/Gk6bo1lINqhHHExSBzNjHX1KDG1neI7gthSa6kBf3 mGmeOfU22U3chsEhyV4bBN/yr2F7teg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1701807102; 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=NcZp6Q9n1ETvC4Ib56t5rnRxOgltM3X6MJYxUgE55hk=; b=rodEztmAhBHRJV6qQ5eDyO0W4TEoUK458V2Gk64/w3RM9159y9GBtNeum2yItrThl6xuNa WAc00vNoYfvAKPAg== Received: from imap2.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap2.dmz-prg2.suse.org (Postfix) with ESMTPS id 54CAE13924; Tue, 5 Dec 2023 20:11:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id D4U2Ef2Db2UxbwAAn2gu4w (envelope-from ); Tue, 05 Dec 2023 20:11:41 +0000 Date: Tue, 5 Dec 2023 21:11:39 +0100 From: Petr Vorel To: Stefan Roesch Message-ID: <20231205201139.GA128077@pevik> References: <20231205180952.3843711-1-shr@devkernel.io> <20231205180952.3843711-3-shr@devkernel.io> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231205180952.3843711-3-shr@devkernel.io> X-Spamd-Result: default: False [-3.50 / 50.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; REPLY(-4.00)[]; RCVD_COUNT_THREE(0.00)[3]; RCVD_VIA_SMTP_AUTH(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; RCPT_COUNT_SEVEN(0.00)[7]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.00)[19.40%] Authentication-Results: smtp-out1.suse.de; none X-Virus-Scanned: clamav-milter 1.0.1 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v4 2/2] add ksm test for smart-scan feature 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: david@redhat.com, linux-mm@kvack.org, oliver.sang@intel.com, kernel-team@fb.com, 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 Stefan, > This adds a new ksm (kernel samepage merging) test to evaluate the new > smart scan feature. It allocates a page and fills it with 'a' > characters. It captures the pages_skipped counter, waits for a few > iterations and captures the pages_skipped counter again. The expectation > is that over 50% of the page scans are skipped (There is only one page > that has KSM enabled and it gets scanned during each iteration and it > cannot be de-duplicated). Thanks a lot, merged. We really appreciate when kernel developers writing new tests. (The previous patch was merged already as v3). Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp