Re: [ck] 2.6.16-ck9
From: Juho Saarikko
Date: Wed May 03 2006 - 16:23:56 EST
On Wed, 2006-05-03 at 19:25, Jan Engelhardt wrote:
> >I tried to run SetiAtHome at IDLEPRIO, but it competes equally with a
> >while(1); loop run at nice 19. I'm starting to wonder if there isn't
> >some kind of bug in the kernel which results in a program returning from
> >a system call with an in-kernel semaphore held. After all, according to
> >top, SetiAtHome consumes over 90% CPU, and the system consumes only
> >about 1%, so it can't be making system calls all the time either.
> SAH does make very few system calls in relation to its computing, in fact.
> [It's a guess, not a proven answer.] The boinc supervisor process is mostly
> the syscall, filesystem and networking part.
> >This pattern just keeps on repeating, endlessly. Occasionally it also
> >kill(5432, SIG_0) = 0
> >attached to it. 5432 is the parent process, the FAH502-Linux.exe.
> You don't use boinc?
AARRGGHH. I meant FoldingAtHome.
That's what I get from not paying attention to what I'm typing ;(.
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