Date: Thu, 14 Jun 2007 08:06:05 -0300 From: NOC Meganet <tec@mega.net.br> To: freebsd-performance@freebsd.org Subject: Re: PAPI in the ports Message-ID: <200706140806.05674.tec@mega.net.br> In-Reply-To: <4671118D.1040404@bsdunix.ch> References: <d825e0270706140152j6012592ah18beef95942bb051@mail.gmail.com> <4671118D.1040404@bsdunix.ch>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thursday 14 June 2007 06:59:41 Thomas Vogt wrote: > Hi > > Thats sounds nice. You wrote "The goal of the PmcTools project is to > provide FreeBSD's developers and system administrators with > non-intrusive, low-overhead and innovative ways of measuring and > analysing system performance" your website. Have you ever measured the > performance impact of such tools? > > I'm interested to run such tool on production machines in the future but > only if the performance impact isn't that high. > Hi ... even if the tool (whatever it is) does not require much system resources it triggers processes in order to measure their or the system's performance. So long as you do not push the system to or over the edge you might not get valuable numbers. So I mean, any performance measuring does or must stress the system. That is at least my understanding. So probably running performance tests on a production server is not the very best idea. HM -- Prowip Telecom Ltda AS 22706 A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.br
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200706140806.05674.tec>