This is the mail archive of the systemtap@sourceware.org mailing list for the systemtap project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Meeting minutes 20060727


Hi -

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.

- FChE


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]