Andrew Theurer wrote:
> Some other things I think may be worth investigating:
> gettimeofday(). Samba calls this a lot, one for every reply I think, to check
> for connection timeout. This means we go into kernel mode every single time
> we call this, something I'd like to avoid. And I also don't think we need
> the resolution of gettimeofday for this. How about some sort of timer in
> samba with a 1 second granularity? I admit I have not thought about how to
> do this, but there's gotta be a way.
On Solaris, gettimeofday is a bit heavier-weight
than I'd like, so it's my second favorite time-getter.
Again, on Solaris I tend to use gethrtime, which I
know is really fast (it does a load instruction
and returns without actually going all the way into
kernel state).
In Linux, is gettimeofday this kind of light-weight
function, or is there a fully-supported fast fucntion
that could yeild a properly comparable value?
--dave
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David Collier-Brown, | Always do right. This will gratify
Performance & Engineering | some people and astonish the rest.
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