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| author | Paul E. McKenney <paul.mckenney@linaro.org> | 2012-12-03 17:16:28 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-03-26 16:04:48 +0100 |
| commit | a488985851cf2facd2227bd982cc2c251df56268 (patch) | |
| tree | 450d84d1fc01bd7997b651e47d2587fac5c6f085 /kernel/rcutree.h | |
| parent | rcu: Add event tracing for no-CBs CPUs' grace periods (diff) | |
| download | linux-a488985851cf2facd2227bd982cc2c251df56268.tar.xz linux-a488985851cf2facd2227bd982cc2c251df56268.zip | |
rcu: Distinguish "rcuo" kthreads by RCU flavor
Currently, the per-no-CBs-CPU kthreads are named "rcuo" followed by
the CPU number, for example, "rcuo". This is problematic given that
there are either two or three RCU flavors, each of which gets a per-CPU
kthread with exactly the same name. This commit therefore introduces
a one-letter abbreviation for each RCU flavor, namely 'b' for RCU-bh,
'p' for RCU-preempt, and 's' for RCU-sched. This abbreviation is used
to distinguish the "rcuo" kthreads, for example, for CPU 0 we would have
"rcuob/0", "rcuop/0", and "rcuos/0".
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Diffstat (limited to 'kernel/rcutree.h')
| -rw-r--r-- | kernel/rcutree.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h index e51373c0b748..b6c2335efbdf 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -443,6 +443,7 @@ struct rcu_state { unsigned long gp_max; /* Maximum GP duration in */ /* jiffies. */ char *name; /* Name of structure. */ + char abbr; /* Abbreviated name. */ struct list_head flavors; /* List of RCU flavors. */ }; |