commit | 29c00b4a1d9e277786120032aa8364631820d863 | [log] [tgz] |
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author | Paul E. McKenney <paul.mckenney@linaro.org> | Fri Jun 17 15:53:19 2011 -0700 |
committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Wed Sep 28 21:38:12 2011 -0700 |
tree | 23bf0c8cdb5268ef92ef9ed007639705e922b1b0 | |
parent | 9d68197c05201d8edc70d58bd1d5dad05d8455e8 [diff] |
rcu: Add event-tracing for RCU callback invocation There was recently some controversy about the overhead of invoking RCU callbacks. Add TRACE_EVENT()s to obtain fine-grained timings for the start and stop of a batch of callbacks and also for each callback invoked. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>