Hi,
I didn't follow all of the scheduler debates and flamewars, so apologies
if this was already covered. Anyway.
lmbench 3 lat_ctx context switching time with 2 processes bound to a
single core increases by between 25%-35% on my Core2 system (didn't do
enough runs to get more significance, but it is around 30%). The problem
bisected to the main CFS commit.
I was really hoping that a smaller runqueue data structure could actually
increase performance with the common case of small numbers of tasks :(
I assume this was a known issue before CFS was merged. Do you know what is
causing the slowdown? Any plans to fix it?
Thanks,
Nick
-
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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
