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| author | Ingo Molnar <mingo@kernel.org> | 2013-08-14 19:58:56 +0400 |
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| committer | Ingo Molnar <mingo@kernel.org> | 2013-08-14 19:58:56 +0400 |
| commit | 6f1d657668ac3041b65265d3653d7e9172a0d603 (patch) | |
| tree | 6e837c683783708637cc4caf9de759166c7469b7 /kernel/rcutree_plugin.h | |
| parent | d4e4ab86bcba5a72779c43dc1459f71fea3d89c8 (diff) | |
| parent | d13508f9440e46dccac6a2dd48d51a73b2207482 (diff) | |
| download | linux-6f1d657668ac3041b65265d3653d7e9172a0d603.tar.xz | |
Merge branch 'timers/nohz-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/nohz
Pull nohz improvements from Frederic Weisbecker:
" It mostly contains fixes and full dynticks off-case optimizations. I believe that
distros want to enable this feature so it seems important to optimize the case
where the "nohz_full=" parameter is empty. ie: I'm trying to remove any performance
regression that comes with NO_HZ_FULL=y when the feature is not used.
This patchset improves the current situation a lot (off-case appears to be around 11% faster
with hackbench, although I guess it may vary depending on the configuration but it should be
significantly faster in any case) now there is still some work to do: I can still observe a
remaining loss of 1.6% throughput seen with hackbench compared to CONFIG_NO_HZ_FULL=n. "
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/rcutree_plugin.h')
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