On 05/24/2012 08:25 PM, Srinivas Ramanan wrote:
Can someone give the information of following typical
values in Kernel 3.x
in a 2Ghz machine with sufficient RAM
Process creation time ?
Process context switch time ?
pthread creation time ?
pthread context swich time ?
kernel thread creation time ?
kernel thread context swich time ?
What is the best way to measure these values?
I wrote a simple test for measuring kernel thread context
switch
A simple test like
1. get_time(start)
2. schedule();
3. get_time(end)
4. print( context sw time = (end-start) )
But it doesnt seem to work correctly.
Thanks.
Ramanan
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Hi,
Check things supporting tracepoints like perf, systemtap and kprobe.
They could help you a lot.
Regards,
LIU zhiyou
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