On Thu, 21 Feb 2008 22:24:20 +0100 Ingo Molnar [EMAIL PROTECTED] wrote:
regarding the concept: adaptive mutexes have been talked about in the
past, but their advantage is not at all clear, that's why we havent done
them. It's definitely not an unambigiously win-win concept.
When ext3 was
*) compute the context-switch pair time average for the system. This is
your time threshold (CSt).
This is not a uniform time. Consider the difference between
context switch on the same hyperthread, context switch between cores
on a die, context switch between sockets, context switch between
On Sat, Feb 23, 2008 at 01:31:00PM +0100, Andi Kleen wrote:
*) compute the context-switch pair time average for the system. This is
your time threshold (CSt).
This is not a uniform time. Consider the difference between
context switch on the same hyperthread, context switch between cores