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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 4DFCAD41C14 for ; Thu, 11 Dec 2025 10:09:11 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.1183808.1506385 (Exim 4.92) (envelope-from ) id 1vTdbU-00067j-DJ; Thu, 11 Dec 2025 10:08:56 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 1183808.1506385; Thu, 11 Dec 2025 10:08:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vTdbU-00067c-Ag; Thu, 11 Dec 2025 10:08:56 +0000 Received: by outflank-mailman (input) for mailman id 1183808; Thu, 11 Dec 2025 10:08:54 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vTdbS-00067V-O7 for xen-devel@lists.xenproject.org; Thu, 11 Dec 2025 10:08:54 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 65bbd800-d679-11f0-b15b-2bf370ae4941; Thu, 11 Dec 2025 11:08:53 +0100 (CET) Received: from support.bugseng.com (support.bugseng.com [162.55.131.47]) (Authenticated sender: nicola) by support.bugseng.com (Postfix) with ESMTPA id 2C1BC4EEBF88; Thu, 11 Dec 2025 11:08:52 +0100 (CET) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 65bbd800-d679-11f0-b15b-2bf370ae4941 Authentication-Results: bugseng.com; arc=none smtp.remote-ip=162.55.131.47 ARC-Seal: i=1; d=bugseng.com; s=openarc; a=rsa-sha256; cv=none; t=1765447732; b=vRha09mNxRITmc2y6bunHw7z8sfqN8nIfWweoUi5N2gtOqzcy503pon3RL4GakXpHcvP ykJPyhiWz3uuc/+gYSj1K06rsJYAMVS2vF9MupTlUZbvkKuxUDYgGtLvG7LgCQYt/+Vwv U2Xm0MemLtAs79q8zGYTzY8sl8HvBNAgf0GLrx76cict/sxoZfMwI+YnGBOIOjgucgxa5 6bHvrxLRUEhDhUYqRXvWVUUKZ26+uZDuJR15F9MiJf7zVIbm9bssmDCwfQoIkn3WkS/UU V60Gng8vNJq57MnyI3FSTlEvExXnlV7OrVJPy1ZOqiUS7OklPf5msLu487aezDcQbzE5r 13pHXzs7kyD6Yx557FJhHgqHQE7RRLDWp0ichCrFL5iNJBMpbuQ9+/TG+WqlNRIqVH5lj cuFlYipNYrOAWpEvb3Rcu2citt9h9IQi3UKPIwlU3mku9poWlOopZepLAptU5eiRR+uPM oNuQmqnvDJ+IO47vjZxYEb11K0u9rkD4BBBrPFlhoPMBPfSH1MGjYqagXvlaFrGfyxgAh JUsRcjdGB0D4KLVxbjmlsV+YeKsKJcQa1HdHFKHFB9FnMIEOTCSD1ManFqGvjzvgYtVil 2GAeTzchwv8k5N7fcrSUW1v7ZzUy/STD0yZn4matwNKb7sJv2p4XcVdHqXM3gkg= ARC-Message-Signature: i=1; d=bugseng.com; s=openarc; a=rsa-sha256; c=relaxed/relaxed; t=1765447732; h=DKIM-Signature:MIME-Version:Date:From:To:Cc:Subject:In-Reply-To: References:Message-ID:X-Sender:Organization:Content-Type: Content-Transfer-Encoding; bh=mmWFVtypNzq9EuifoL5h7yLYleyMTHCl6degh+7Fj9o=; b=VP1M3VJ3JkYAkTUuvjCRoSPQGgMYrmMeN2XGtzFmSMslRmhMF4bxwvZlg+1RH+SX8ckU 7Bt5Ta6qPY1Iv/fe5ykjE1/1VBYoe05iVfPf7GPDivEDEL54XaEeEhklOLE3qY2TCLK/h PuvMCI4GMBUcFD8pX5kFzogH3JushzVxo3ptAaJGj2kDiZA1kFMxo4p3QhgwOFLMdn1HR kqZ2ct6RuGMRhmGVsN+Er4WwbtjKlgyJWsE6KNxmYbjSsCBPbagWcBpNU0nCLM4q20cos APQNJhg48hY64CONtcqOfYFmY4dr1RGalsuATYT/8LIJEEfiC9J1HVNpIntdRlSX3HOw7 bN9OnVMvvFSgOKksPuUhMOSCK1Do3eFF61E0Veh9qE/cYzizboiliNsmAqbf+JVt8xmF7 5RlOoHMH5+/bbmBx9aeWH4yx7BWXAXW8XUTfRKYaEBjmJ7R6+vQQZ0u5vALG4pQRqztTH iKqhwXmhNqEfhfBSG6qxvJthDVA8LOCrOxwDy1N5bAKQuV7N99G7miiK8SyPiB0NPexew 1hNeOcJaNm+ryE1rm+0+zgRHfkeQen/DkES/QwgHVhOFIctjHWe00iw5cdj/U931fTvoi KFwi3es4H32SZhP0mtKxGZNRDrwpR0iAFK0NRKLC3LdFhfbPTI8WVVHVMV0zh2Q= ARC-Authentication-Results: i=1; bugseng.com; arc=none smtp.remote-ip=162.55.131.47 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bugseng.com; s=mail; t=1765447732; bh=vNvER5SHN9QCPsBCQzwWLJw7VeUQAnvmR3PLG0GpD8U=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=w0mBdcMFiT0JlwhV6kzS58hM/U3YBGFzfEcSrGSsJEXEgvkxVB96GqLSFz/p8jHvU qDl6YGbCM5Cwbk1gmD2tmrkxLvsumnQhlT+dhiM4vyy+XkcUH2yYh/ZImmdD4NHa63 Kx/EYHHW/PXj3iMDk3ctRLKg/+4GycdwpqSiYmZ8I3Zc+UiZGRXR5RPsK6P7B9FlOw uelYznqrSaEHA48XebO0VoUnBZdp1JqUAJaHKAB0qieI7Ma0rUHIUvtNgfR1oN8nXS JObZ0d5xUtBsFDj3WFB4z1WkKG2GcSiatA7vbq2PGdnIawJsQWNUqNff1A8CLJIudB JhQRLl3AgmptQ== MIME-Version: 1.0 Date: Thu, 11 Dec 2025 11:08:52 +0100 From: Nicola Vetrini To: Jan Beulich Cc: xen-devel , =?UTF-8?Q?Roger_Pau_Monn?= =?UTF-8?Q?=C3=A9?= , Bertrand Marquis , Michal Orzel , Anthony PERARD , Andrew Cooper , Stefano Stabellini Subject: Re: Current Eclair analysis In-Reply-To: References: <7744f9e7-17da-4f48-837d-8fc087899af5@citrix.com> Message-ID: X-Sender: nicola.vetrini@bugseng.com Organization: BUGSENG s.r.l. Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 2025-12-11 11:00, Jan Beulich wrote: > On 10.12.2025 19:14, Andrew Cooper wrote: >> The Eclair step is now the dominating aspect of wallclock time.  While >> the recent changes were a step in the right direction, we need some >> adjustments. > > One other question, related to the "dominating" aspect, but not to any > of the points raised so far. Can scan results possibly be recorded > somehow, somewhere, such that upon re-scanning the same tree (pre-push > test followed by post-push test) the identical re-scan can be avoided? > And perhaps even incrementally - if only .c files change within a (set > of) commit(s), only re-scan those, rather than everything? Could be > extended to .h files if dependencies were properly taken into account. > > Jan We support incremental analysis, but it requires non-trivial changes to the current Xen integration. If someone wants to invest time and/or resources in it, I can support the effort, but it requires a fair deal of rearrangements of scripting in order to avoid losing information -- Nicola Vetrini, B.Sc. Software Engineer BUGSENG (https://bugseng.com) LinkedIn: https://www.linkedin.com/in/nicola-vetrini-a42471253