On 14 November 2012 23:57, Andy Doan <[email protected]> wrote:

> On 11/14/2012 12:48 AM, YongQin Liu wrote:
>
>> Hi, Andy & Michael
>>
>>
>> About the problem that the telnet process consumes CPU(bug1034218
>> <https://bugs.launchpad.net/**linaro-android/+bug/1034218<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?
>>
>
> Do you get 100% CPU when you run the job by hand, ie "lava-dispatch
> jobfile.json"?
>
Will try to run "lava-dispatch jobfile.json" from command line tomorrow.

-- 
Thanks,
Yongqin Liu
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