From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v5 2/8] xenalyze: increase NR_CPUS to 256 Date: Tue, 16 Jun 2015 09:33:55 +0100 Message-ID: <1434443635.13744.47.camel@citrix.com> References: <1433849019-27452-1-git-send-email-olaf@aepfle.de> <1433849019-27452-3-git-send-email-olaf@aepfle.de> <55789E1C.9030504@citrix.com> <20150611061226.GA22268@aepfle.de> <55796B1C.9020309@citrix.com> <55799CBA.3020005@eu.citrix.com> <20150615161451.GA29475@aepfle.de> <557F0919.6020909@citrix.com> <20150615175828.GA11759@aepfle.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150615175828.GA11759@aepfle.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Olaf Hering Cc: Wei Liu , Stefano Stabellini , George Dunlap , Andrew Cooper , Ian Jackson , xen-devel@lists.xen.org, Julien Grall List-Id: xen-devel@lists.xenproject.org On Mon, 2015-06-15 at 19:58 +0200, Olaf Hering wrote: > On Mon, Jun 15, Andrew Cooper wrote: > > > In an ideal world, userspace tools like this should not really be tied > > to NR_CPUS or MAX_CPUS. They should get max_cpu_id from Xen and > > dynamically allocate a bitmap of sufficient size. > > The dumps are taken on one machine and get inspected on another, which > may not even be a dom0. I like the idea with dynamically allocate the > array size, based on a cmdline option. Once I find the time I will > implement it. Perhaps we should split out "get xenalyze in tree" out from actual improvements and development work? The former ought to be pretty easy to achieve, no? Ian.