On 14 November 2012 23:35, Vishal Bhoj <[email protected]> wrote: > > > > > On 15 November 2012 06:52, Michael Hudson-Doyle <[email protected]> > wrote: >> >> YongQin Liu <[email protected]> writes: >> >> > Hi, Andy & Michael >> > >> > >> > About the problem that the telnet process consumes >> > CPU(bug1034218<https://bugs.launchpad.net/linaro-android/+bug/1034218> >> > ), >> > For now I tried two ways to verify it: >> > 1. Run the CTS test via submitting a lava-job >> > In this way, the process that consumes CPU is telnet >> > 2. Run the CTS test via command line "lava-android-test run cts" >> > In this way, there is no process that consumes CPU to 100%, >> > In the meanwhile, I also opened the telnet session. >> > >> > So I guess the problem is the way we calling the telnet command in >> > lava-dispatcher. >> > From my investigation, it's the select syscall in telnet that consumes >> > CPU, >> > So I doubt if there is some place in lava-dispatcher that reads the >> > ouput >> > of telnet in a loop without sleep in the loop. >> > but I did not find such place in lava-dispatcher. >> > >> > How do you think about it? >> >> This is all fairly strange. However, it seems like this is not the >> problem we had running CTS before; IIRC then it was java processes >> causing trouble on control. As the load from telnet is pure CPU load >> (i.e. it doesn't consume masses of RAM or do loads of IO) I would be in >> favour of enabling CTS again (carefully) and watching the graphs on >> >> http://munin.validation.linaro.org/validation.linaro.org/control.validation.linaro.org/index.html > > > Okay. I will go ahead and enable it for the builds which have hardware > acceleration support: > https://android-build.linaro.org/builds/~linaro-android/panda-jb-gcc47-tilt-stable-blob/ > https://android-build.linaro.org/builds/~linaro-android/snowball-jb-gcc47-igloo-stable-blob/ > https://android-build.linaro.org/builds/~linaro-android/origen-jb-gcc47-samsunglt-tracking-blob/
Awesome. Thanks Vishal. > >> >> >> Cheers, >> mwh > > -- Zach Pfeffer Android Platform Team Lead, Linaro Platform Teams Linaro.org | Open source software for ARM SoCs Follow Linaro: http://www.facebook.com/pages/Linaro http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog _______________________________________________ linaro-validation mailing list [email protected] http://lists.linaro.org/mailman/listinfo/linaro-validation
