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function-graph: add option to calculate graph time or not

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graph time is the time that a function is executing another function.
Thus if function A calls B, if graph-time is set, then the time for
A includes B. This is the default behavior. But if graph-time is off,
then the time spent executing B is subtracted from A.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Steven Rostedt
2009-03-24 23:17:58 -04:00
parent cafb168a1c
commit a2a16d6a31
5 changed files with 29 additions and 8 deletions
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kernel/trace/trace.h
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@@ -685,6 +685,7 @@ enum trace_iterator_flags {
TRACE_ITER_LATENCY_FMT = 0x40000,
TRACE_ITER_GLOBAL_CLK = 0x80000,
TRACE_ITER_SLEEP_TIME = 0x100000,
TRACE_ITER_GRAPH_TIME = 0x200000,
};
/*