Hi Wolfgang, On Sun, Jun 29, 2008 at 10:31:57PM +0200, Wolfgang Grandegger wrote: > Hi Fu, > > Luotao Fu wrote: >> Hi Wolfgang, >> I finally found some time and did some tests with your config file and the shiny >> new 2.6.25.8-rt7 >> >> On Thu, Jun 19, 2008 at 04:04:10PM +0200, Wolfgang Grandegger wrote: >>> Hi Fu, >>> >>> Luotao Fu wrote: >>> Keep in mind that I'm running Linux on a rootfs mounted via NFS. >> >> I have exactly the same test configuration here. > > Interesting, I'm able to trigger latencies up to 600 us with the command > > "# while ls; do ls /bin; done" > the same here, only I loop with "ls /", which is literally the same. > in a telnet session, but it takes a while. > >> Again everything looks just fine to me. Depending on which debugging Option are >> turned on my max. results pended between 70 and 350 us. However I could not >> produce any peak worst case values, which are so far away from the average like >> in your case. > > Could you send me your .config file? And what version of cyclictest are > you using? Will send it off-list to reduce the list traffic. cheers Luotao Fu -- Dipl.-Ing. Luotao Fu | Phone: +49-5121-206917-3 Pengutronix - Linux Solutions for Science and Industry Entwicklungszentrum Nord http://www.pengutronix.de
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