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Commit d5988af5 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Paul E. McKenney
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rcu: Update documentation to flag RCU_BOOST trace information 



Call out the RCU_TRACE information that is provided only in kernels
built with RCU_BOOST.

Signed-off-by: default avatarPaul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 1eb52121

Documentation/RCU/trace.txt

+4 −0
Original line number Diff line number Diff line
@@ -184,10 +184,14 @@ o "kt" is the per-CPU kernel-thread state. The digit preceding 
	The number after the final slash is the CPU that the kthread

	is actually running on.



	This field is displayed only for CONFIG_RCU_BOOST kernels.



o	"ktl" is the low-order 16 bits (in hexadecimal) of the count of

	the number of times that this CPU's per-CPU kthread has gone

	through its loop servicing invoke_rcu_cpu_kthread() requests.



	This field is displayed only for CONFIG_RCU_BOOST kernels.



o	"b" is the batch limit for this CPU.  If more than this number

	of RCU callbacks is ready to invoke, then the remainder will

	be deferred.