From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4FE88BF9.10400@xenomai.org> Date: Mon, 25 Jun 2012 18:04:09 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] question: scheduling latency List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: ali hagigat Cc: xenomai@xenomai.org On 06/25/2012 11:17 AM, ali hagigat wrote: > What is the meaning of the scheduling latency in Xenomai and Xenomai > tests like the latency test by the latency utility? > > Is it the time after finishing an interrupt and executing the first > instruction of a real time task? Or it is the time that each real time > task is executed below that? Read the source, what the test does it obvious, it is the time from the timer interrupt, to the time we return to the measurement thread. -- Gilles.