From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <5357C92F.2060206@xenomai.org> Date: Wed, 23 Apr 2014 16:07:43 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Reading /proc/xenomai/stat causes high latencies List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jeroen Van den Keybus Cc: "xenomai@xenomai.org" On 04/23/2014 03:45 PM, Jeroen Van den Keybus wrote: > I've attached an I-trace from what happens when 'modprobe xeno_native' > stalls. I could use some hints as where to start looking into this > issue. Right now, I would say I have a look at which code paths are > traversed and not when CONFIG_IPIPE_TRACE is unset and set > respectively. Do you get the same behaviour if you only enable the tracer after loading the xeno_native module? -- Gilles.