On 06/16/2011 07:04 PM, David Ahern wrote:
On 06/16/2011 09:59 AM, Avi Kivity wrote:
> On 06/16/2011 06:34 PM, David Ahern wrote:
>> >
>> > main ()
>> > {
>> > int i;
>> >
>> > fork();
>> > fork();
>
> What happens without the two forks?
>
you have a 1-billion instruction benchmark since there is only 1 process.
I mean in terms of the overhead. Is the overhead due to context
switches being made more expensive by the pmu, or is it something else?
But there were only 337 context switches in your measurement, they
couldn't possibly be so bad.
Anyway I'll investigate it.
--
error compiling committee.c: too many arguments to function
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