diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2022-09-29 20:58:10 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2022-10-21 19:11:00 +0200 |
| commit | df83fff75870accd16f1dc26a05c31b3bd5e192f (patch) | |
| tree | 38a93e86989a0455bf5fd5b14cdfd579ab27152c /kernel/rcu | |
| parent | rcu: Remove rcu_is_idle_cpu() (diff) | |
| download | linux-df83fff75870accd16f1dc26a05c31b3bd5e192f.tar.xz linux-df83fff75870accd16f1dc26a05c31b3bd5e192f.zip | |
rcu-tasks: Make grace-period-age message human-readable
This commit adds a few words to the informative message that appears
every ten seconds in RCU Tasks and RCU Tasks Trace grace periods.
This message currently reads as follows:
rcu_tasks_wait_gp: rcu_tasks grace period 1046 is 10088 jiffies old.
After this change, it provides additional context, instead reading
as follows:
rcu_tasks_wait_gp: rcu_tasks grace period number 1046 (since boot) is 10088 jiffies old.
Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tasks.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index f5bf6fb430da..b0b885e071fa 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -728,7 +728,7 @@ static void rcu_tasks_wait_gp(struct rcu_tasks *rtp) if (rtsi > 0 && !reported && time_after(j, lastinfo + rtsi)) { lastinfo = j; rtsi = rtsi * rcu_task_stall_info_mult; - pr_info("%s: %s grace period %lu is %lu jiffies old.\n", + pr_info("%s: %s grace period number %lu (since boot) is %lu jiffies old.\n", __func__, rtp->kname, rtp->tasks_gp_seq, j - rtp->gp_start); } } |