Keir Fraser wrote:
> On 09/03/2009 08:30, "Yang, Xiaowei" <xiaowei.yang@intel.com> wrote:
> 
>> Keir Fraser wrote:
>>> Not while csched stats are enabled by default. They get cranked all over the
>>> place. How much does this race matter? We probably just lose a few
>>> increments?
>> Yes. The higher frequency the count is updated, the more increments lost
>> can we see - comparing to atomic version, counts like "vcpu_check" and
>> "scheduele" lose increments very obviously due to race.
> 
> The best thing to do would be to move the stats into perfc_defn.h, don't you
> think? The CSCHED_* macro wrappers could be kept but wrap the existing
> common mechanism for perf counters.
> 
Agree. updated version attached.

Signed-off-by: Xiaowei Yang <xiaowei.yang@intel.com>