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Merge branches 'doctorture.2013.01.29a', 'fixes.2013.01.26a', 'tagcb.2013.01.24a' and 'tiny.2013.01.29b' into HEAD

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doctorture.2013.01.11a: Changes to rcutorture and to RCU documentation.

fixes.2013.01.26a: Miscellaneous fixes.

tagcb.2013.01.24a: Tag RCU callbacks with grace-period number to
	simplify callback advancement.

tiny.2013.01.29b: Enhancements to uniprocessor handling in tiny RCU.
This commit is contained in:
Paul E. McKenney
2013-01-28 22:25:02 -08:00
parent 0e11c8e8a6 4eacdf1837 6d4b418c75 9fc52d832b
commit 40393f525f
12 changed files with 449 additions and 163 deletions
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12
include/trace/events/rcu.h
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@@ -44,8 +44,10 @@ TRACE_EVENT(rcu_utilization,
* of a new grace period or the end of an old grace period ("cpustart"
* and "cpuend", respectively), a CPU passing through a quiescent
* state ("cpuqs"), a CPU coming online or going offline ("cpuonl"
* and "cpuofl", respectively), and a CPU being kicked for being too
* long in dyntick-idle mode ("kick").
* and "cpuofl", respectively), a CPU being kicked for being too
* long in dyntick-idle mode ("kick"), a CPU accelerating its new
* callbacks to RCU_NEXT_READY_TAIL ("AccReadyCB"), and a CPU
* accelerating its new callbacks to RCU_WAIT_TAIL ("AccWaitCB").
*/
TRACE_EVENT(rcu_grace_period,
@@ -393,7 +395,7 @@ TRACE_EVENT(rcu_kfree_callback,
*/
TRACE_EVENT(rcu_batch_start,
TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit),
TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit),
TP_ARGS(rcuname, qlen_lazy, qlen, blimit),
@@ -401,7 +403,7 @@ TRACE_EVENT(rcu_batch_start,
__field(char *, rcuname)
__field(long, qlen_lazy)
__field(long, qlen)
__field(int, blimit)
__field(long, blimit)
),
TP_fast_assign(
@@ -411,7 +413,7 @@ TRACE_EVENT(rcu_batch_start,
__entry->blimit = blimit;
),
TP_printk("%s CBs=%ld/%ld bl=%d",
TP_printk("%s CBs=%ld/%ld bl=%ld",
__entry->rcuname, __entry->qlen_lazy, __entry->qlen,
__entry->blimit)
);