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(parent: 3debb0a) | patch
tracing: Record and show NMI state
authorPeter Zijlstra <peterz@infradead.org>
Fri, 18 Mar 2016 15:28:04 +0000 (16:28 +0100)
committerSteven Rostedt <rostedt@goodmis.org>
Tue, 22 Mar 2016 22:04:10 +0000 (18:04 -0400)
commit7e6867bf831c71fe0e47438831ae3a94d4c7ab3c
treeaff6902663d850f314a23900a8caebf9a78e2a86tree | snapshot
parent3debb0a9ddb16526de8b456491b7db60114f7b5ecommit | diff
tracing: Record and show NMI state

The latency tracer format has a nice column to indicate IRQ state, but
this is not able to tell us about NMI state.

When tracing perf interrupt handlers (which often run in NMI context)
it is very useful to see how the events nest.

Link: http://lkml.kernel.org/r/20160318153022.105068893@infradead.org
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace.c diff | blob | blame | history
kernel/trace/trace.h diff | blob | blame | history
kernel/trace/trace_output.c diff | blob | blame | history
Linux kernel - Deliverables
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