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(parent: 14f6d87) | 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)
commit2285ecae3d8bfe9744856754581169daa5b68d60
treeaff6902663d850f314a23900a8caebf9a78e2a86tree | snapshot
parent14f6d874efbfe3131fc1baa557153918399bc2bccommit | 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 | history
kernel/trace/trace.h diff | blob | history
kernel/trace/trace_output.c diff | blob | history
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