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| author | Waiman Long <Waiman.Long@hpe.com> | 2015-12-10 15:17:45 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-29 10:02:42 +0100 |
| commit | 32d62510f949d3c8e83b9b3b844a84446611661b (patch) | |
| tree | fd97c000d107276754eca8f522d0a6f818c6e257 /kernel/locking/mutex.c | |
| parent | cb037fdad6772df2d49fe61c97d7c0d8265bc918 (diff) | |
| download | linux-32d62510f949d3c8e83b9b3b844a84446611661b.tar.gz | |
locking/pvqspinlock: Enable slowpath locking count tracking
This patch enables the tracking of the number of slowpath locking operations performed. This can be used to compare against the number of lock stealing operations to see what percentage of locks are stolen versus acquired via the regular slowpath. Signed-off-by: Waiman Long <Waiman.Long@hpe.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Douglas Hatch <doug.hatch@hpe.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Scott J Norton <scott.norton@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1449778666-13593-2-git-send-email-Waiman.Long@hpe.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/mutex.c')
0 files changed, 0 insertions, 0 deletions