On 22/10/2009 3:45 PM, Robert Collins wrote:
On Thu, 2009-10-22 at 15:21 +1100, Mark Hammond wrote:
I'd be very surprised if any applications rely on
the fact that each process starts counting at zero, so if someone can
come up with a high-res counter which avoids that artifact I'd expect it
could be used.
Could you offset it by the system time on the first call?
Off the top of my head, I guess that depends on the actual accuracy
required (ie, how many clock ticks elapse between querying the time and
the high-resolution timer). Starting at 0 works fine for profiling in a
single process, the predominant use-case when this was done; I guess it
depends on the specific requirements and time-intervals being dealt with
in the cross-process case which determines how suitable that might be?
Cheers,
Mark
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