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    SubjectRe: [ANNOUNCE] ktimers subsystem
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    On Sun, 2005-09-25 at 01:45 +0200, Roman Zippel wrote:

    > > The backward conversion from nsec_t to timespec is almost a non issue.
    > > The vast majority of callers dont provide the second argument to
    > > nanosleep(), setitimer(), set_timer() which makes the conversion
    > > necessary and I think we optimize for the common use case.
    >
    > You know very well, that the conversion back to timespec is the killer in
    > your calculation. You graciously decide that the "vast majority" doesn't
    > want to read the timer, how did you get to that conclusion?

    I graciously put instrumentation into _all_ the relevant syscalls on a
    desktop and a server machine. The result is that less than 1% of the
    calls provide the read back variable.

    tglx


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