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Re: Meeting minutes 20060727
On Thu, Aug 03, 2006 at 05:22:46PM -0700, Vara Prasad wrote:
> During one of the BOF's in OLS the discussion of do_gettimeofday()
> overhead came, everyone agreed it is slow.
For what it's worth, systemtap hasn't used do_gettimeofday proper in
over a month, but for reasons of safety rather than performance.
> Someone suggested that Linux now has more efficient interface to get
> the timestamp, my notes seems to lack details, does anyone remember
> what was the alternative suggestion. [...]
I only heard of the hrtimer API in more recent kernels.