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rcutorture: Make rcuperf collect expedited event-trace data

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This commit enables ftrace in the rcuperf TREE kernel build and adds
an ftrace_dump() at the end of rcuperf processing.  This data will be
used to measure the actual durations of the expedited grace periods
without the added delays inherent in the kernel-module measurements.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2016-01-29 14:58:17 -08:00
parent e588f35492
commit ac2bb275e8
2 changed files with 2 additions and 0 deletions
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tools/testing/selftests/rcutorture/configs/rcuperf/TREE
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@@ -17,3 +17,4 @@ CONFIG_PROVE_LOCKING=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
CONFIG_RCU_TRACE=y