From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Netbal Message-ID: <574D9B03.8080706@sigmatek.at> Date: Tue, 31 May 2016 16:09:07 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: 8bit Subject: [Xenomai] Performance impact after switching from 2.6.2.1 to 2.6.4 Reply-To: wolfgang.netbal@sigmatek.at List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Dear all, we have moved our application from "XENOMAI 2.6.2.1 + Linux 3.0.43" to "XENOMAI 2.6.4. + Linux 3.10.53". Our target is an i.MX6DL. The system is now up and running and works stable. Unfortunately we see a difference in the performance. Our old combination (XENOMAI 2.6.2.1 + Linux 3.0.43) was slightly faster. At the moment it looks like that XENOMAI 2.6.4 calls xnpod_schedule_handler much more often then XENOMAI 2.6.2.1 in our old system. Every call of xnpod_schedule_handler interrupts our main XENOMAI task with priority = 95. I have compared the configuration of both XENOMAI versions but did not found any difference. I checked the source code (new commits) but did also not find a solution. Any help would be greatly appreciated. -- Wolfgang Netbal Softwareentwicklung ________________________________ SIGMATEK GmbH & Co KG Sigmatekstraße 1 5112 Lamprechtshausen Österreich / Austria Tel.: +43/6274/4321-0 Fax: +43/6274/4321-300 E-Mail: wolfgang.netbal@sigmatek.at http://www.sigmatek-automation.at ****************************Please note: **************************** This email and all attachments are confidential and intended solely for the person or entity to whom it is addressed. If you are not the named addressee you must not make this email and all attachments accessible to any other person. If you have received this email in error please delete it together with all attachments. *********************************************************************