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| author | Paul E. McKenney <paul.mckenney@linaro.org> | 2012-10-11 16:18:09 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-11-08 11:50:13 -0800 |
| commit | a30489c5228fba6f16b4c740a0292879ef13371e (patch) | |
| tree | 2a28a2d6180f8315a8c1cee12cdb415a90b167f0 /kernel/rcutree.h | |
| parent | 40694d6644d5cca28531707559466122eb212d8b (diff) | |
| download | linux-stable-a30489c5228fba6f16b4c740a0292879ef13371e.tar.gz linux-stable-a30489c5228fba6f16b4c740a0292879ef13371e.tar.bz2 linux-stable-a30489c5228fba6f16b4c740a0292879ef13371e.zip | |
rcu: Instrument synchronize_rcu_expedited() for debugfs tracing
This commit adds the counters to rcu_state and updates them in
synchronize_rcu_expedited() to provide the data needed for debugfs
tracing.
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree.h')
| -rw-r--r-- | kernel/rcutree.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h index 88f3d9d5971d..d274af357210 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -406,6 +406,15 @@ struct rcu_state { atomic_long_t expedited_start; /* Starting ticket. */ atomic_long_t expedited_done; /* Done ticket. */ + atomic_long_t expedited_wrap; /* # near-wrap incidents. */ + atomic_long_t expedited_tryfail; /* # acquisition failures. */ + atomic_long_t expedited_workdone1; /* # done by others #1. */ + atomic_long_t expedited_workdone2; /* # done by others #2. */ + atomic_long_t expedited_normal; /* # fallbacks to normal. */ + atomic_long_t expedited_stoppedcpus; /* # successful stop_cpus. */ + atomic_long_t expedited_done_tries; /* # tries to update _done. */ + atomic_long_t expedited_done_lost; /* # times beaten to _done. */ + atomic_long_t expedited_done_exit; /* # times exited _done loop. */ unsigned long jiffies_force_qs; /* Time at which to invoke */ /* force_quiescent_state(). */ |