* Jie Chen <[EMAIL PROTECTED]> wrote: > Hi, Ingo: > > I guess it is a good news. I did patch 2.6.21.7 kernel using your cfs > patch. The results of pthread_sync is the same as the non-patched > 2.6.21 kernel. This means the performance of is not related to the > scheduler. As for overhead of the gettimeofday, there is no difference > between 2.6.21 and 2.6.24-rc4. The reference time is around 10.5 us > for both kernel.
could you please paste again the relevant portion of the output you get on a "good" .21 kernel versus the output you get on a "bad" .24 kernel? > So what is changed between 2.6.21 and 2.6.22? Any hints :-). Thank you > very much for all your help. we'll figure it out i'm sure :) Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/