rcu: Add event tracing to dyntick_save_progress_counter().
authorAndreea-Cristina Bernat <bernat.ada@gmail.com>
Mon, 17 Mar 2014 16:33:28 +0000 (18:33 +0200)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 29 Apr 2014 15:44:49 +0000 (08:44 -0700)
commit7941dbdebe2a1fda31aefa033794510f95720a5a
tree8c876f6faaca31a8f3a06269741d104fbcd8063d
parentaf952b919bf9e2cf3c4e839359cfd033d98aa011
rcu: Add event tracing to dyntick_save_progress_counter().

This patch adds event tracing to dyntick_save_progress_counter() in the case
where it returns 1. I used the tracepoint string "dti" because this function
returns 1 in case the CPU is in dynticks idle mode.

Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
kernel/rcu/tree.c