On 08/25/2011 08:03 AM, Lai Jiangshan wrote:
My synchronize_rcu() is slower. (will be optimized) At the sametime, I test Paolo's patch, I don't know why it slowdowns synchronize_rcu() in my box.
I think you can try changing the number of busy wait cycles before it starts using the futex. I was measuring with 10 readers, not 3. It makes sense to wait more with fewer readers.
Paolo _______________________________________________ ltt-dev mailing list [email protected] http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
