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authorPaul E. McKenney2011-06-18 22:26:31 -0700
committerPaul E. McKenney2011-09-28 21:38:13 -0700
commit300df91ca9358f7f09298eec9503c12b32054ef7 (patch)
tree8917e0c2ee94a5385f4968094c0e1d9a7fdc0055 /kernel/rcu.h
parent29c00b4a1d9e277786120032aa8364631820d863 (diff)
rcu: Event-trace markers for computing RCU CPU utilization
This commit adds the trace_rcu_utilization() marker that is to be used to allow postprocessing scripts compute RCU's CPU utilization, give or take event-trace overhead. Note that we do not include RCU's dyntick-idle interface because event tracing requires RCU protection, which is not available in dyntick-idle mode. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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