Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'subject:Python': 0.05; 'subject:How': 0.09; 'python': 0.09; 'terry': 0.09; 'cc:addr :python-list': 0.10; '(ubuntu': 0.16; 'from:addr:cs': 0.16; 'from:addr:zip.com.au': 0.16; 'from:name:cameron simpson': 0.16; 'limiting': 0.16; 'message-id:@cskk.homeip.net': 0.16; 'presume': 0.16; 'received:202.125.174': 0.16; 'received:202.125.174.133': 0.16; 'received:boardofstudies.nsw.edu.au': 0.16; 'received:cskk.homeip.net': 0.16; 'received:edu.au': 0.16; 'received:harvey.boardofstudies.nsw.edu.au': 0.16; 'received:homeip.net': 0.16; 'received:nsw.edu.au': 0.16; 'reedy': 0.16; 'simpson': 0.16; 'subject:limit': 0.16; 'subject:usage': 0.16; 'wrote:': 0.17; 'processor': 0.17; 'solution.': 0.18; 'module': 0.19; 'meant': 0.21; 'cc:2**0': 0.23; 'tools,': 0.23; 'cc:no real name:2**0': 0.24; 'external': 0.24; 'linux': 0.24; 'script': 0.24; 'cc:addr:python.org': 0.25; 'header:In-Reply- To:1': 0.25; 'header:User-Agent:1': 0.26; 'am,': 0.27; '(with': 0.33; 'done': 0.34; 'pm,': 0.35; 'there': 0.35; 'but': 0.36; 'received:au': 0.36; 'useful': 0.36; 'possible': 0.37; 'subject:: ': 0.38; 'some': 0.38; 'end': 0.40; 'think': 0.40; 'easy': 0.60; 'content-disposition:inline': 0.60; 'first': 0.61; 'limited.': 0.64; 'limit': 0.65; 'saw': 0.75; 'yourself,': 0.75 Date: Sat, 22 Sep 2012 09:44:04 +1000 From: Cameron Simpson To: Terry Reedy Subject: Re: How to limit CPU usage in Python MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) References: Cc: python-list@python.org X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1348271054 news.xs4all.nl 6985 [2001:888:2000:d::a6]:37714 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:29699 On 20Sep2012 12:53, Terry Reedy wrote: | On 9/20/2012 12:46 PM, Terry Reedy wrote: | > On 9/20/2012 11:12 AM, Rolando CaƱer Roblejo wrote: | >> Is it possible for me to put a limit in the amount of processor usage (% | >> CPU) that my current python script is using? Is there any module useful | >> for this task? I saw Resource module but I think it is not the module I | >> am looking for. Some people recommend to use nice and cpulimit unix | >> tools, but those are external to python and I prefer a python solution. | >> I am working with Linux (Ubuntu 10.04). | > | > Call the external tools with subprocess.open. | | I meant to end that with ? as I don't know how easy it is to get the | external id of the calling process that is to be limited. I presume that | can be done by first calling ps (with subprocess) and searching the | piped-back output. If you're limiting yourself, os.getpid(). -- Cameron Simpson