projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 9a41420) | patch
rcu: Trace expedited GP delays due to transitioning CPUs
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 1 Feb 2018 03:40:22 +0000 (19:40 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 21 Feb 2018 00:12:28 +0000 (16:12 -0800)
commit7f5d42d05155523a4c42c2c5170f2a368217aed5
tree622ba4ed926c9ec62fb2b40a0063db2b0050c7c7tree | snapshot
parent9a414201ae7ea089699a0cbd36533345ca17233bcommit | diff
rcu: Trace expedited GP delays due to transitioning CPUs

If a CPU is transitioning to or from offline state, an expedited
grace period may undergo a timed wait.  This timed wait can unduly
delay grace periods, so this commit adds a trace statement to make
it visible.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
include/trace/events/rcu.h diff | blob | history
kernel/rcu/tree_exp.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git