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(parent: 16edd9b) | patch
locking: Apply contention tracepoints in the slow path
authorNamhyung Kim <namhyung@kernel.org>
Tue, 22 Mar 2022 18:57:09 +0000 (11:57 -0700)
committerPeter Zijlstra <peterz@infradead.org>
Tue, 5 Apr 2022 08:24:35 +0000 (10:24 +0200)
commitee042be16cb455116d0fe99b77c6bc8baf87c8c6
treed5de58e2f2882f0a433ab90a74d23fbee67aa7betree | snapshot
parent16edd9b511a13e7760ed4b92ba4e39bacda5c86fcommit | diff
locking: Apply contention tracepoints in the slow path

Adding the lock contention tracepoints in various lock function slow
paths.  Note that each arch can define spinlock differently, I only
added it only to the generic qspinlock for now.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Link: https://lkml.kernel.org/r/20220322185709.141236-3-namhyung@kernel.org
kernel/locking/mutex.c diff | blob | history
kernel/locking/percpu-rwsem.c diff | blob | history
kernel/locking/qrwlock.c diff | blob | history
kernel/locking/qspinlock.c diff | blob | history
kernel/locking/rtmutex.c diff | blob | history
kernel/locking/rwbase_rt.c diff | blob | history
kernel/locking/rwsem.c diff | blob | history
kernel/locking/semaphore.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git