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    SubjectRe: [PATCH] 2.6.0-test4 -- add context switch counters
    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > I'm actually intested in getting most of the rusage fields filled in
    > properly, at least the ones that make sense for Linux.

    Me too.


    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > Things to do are:
    > -- Track maxrss and report it.

    That's easy.


    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > -- Track and integrate rss.
    > -- Fix the page fault accounting (currently some minor faults
    > are counted as major faults)

    Hmm, I don't remember this offhand. I thought the bigger issue was with
    threads.


    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > -- add signal accounting

    Sounds easy.


    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > Block I/O isn't that important -- it almost all goes through the page
    > cache anyway, and it's a bit difficult to assign a particular I/O to a
    > particular process. Likewise, message I.O isn't that important AFAIK.

    Well, ignoring the background io issue and just ticking per-task counters
    in the read/write syscalls sounds good enough to me.


    On Wed, Aug 27, 2003 at 11:50:30AM +1000, Peter Chubb wrote:
    > The stack, data and unshared data sizes aren't currently
    > accounted for separately at all, so it'd be a bit difficult to track
    > the integral of those numbers.

    I've got some stuff to keep the derivatives of these going on the back
    burner, and integrating isn't hard.


    -- wli
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