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| author | Nathan Zimmer <nzimmer@sgi.com> | 2013-02-22 16:24:34 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-01 01:11:34 +0200 |
| commit | 0d1857a1b987ef874aeb4b99c9c385fa5645bf61 (patch) | |
| tree | b26ccf9c501ae14055b8c5a5e5a1e40a8b164f08 /tools/perf/scripts/python/futex-contention.py | |
| parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) | |
cpufreq: Convert the cpufreq_driver_lock to a rwlock
This eliminates the contention I am seeing in __cpufreq_cpu_get.
It also nicely stages the lock to be replaced by the rcu.
Signed-off-by: Nathan Zimmer <nzimmer@sgi.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions