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sched/walt: reduce severity of core_ctl warning

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When there is a failure with the call to pause_cpus() or
resume_cpus() core_ctl will receive that error and retry
on a window boundary. Currently this results in a
printk_deferred message going to the console very frequently
for a normal use case (hotplug disabled).

Change these console messages to pr_debug() to eliminate
the messages unless DEBUG is defined, and loglevel is increased.

Change-Id: I99bd04cd71dbc0b365df07dea3776a11afa6b7d5
Signed-off-by: Stephen Dickey <dickey@codeaurora.org>
This commit is contained in:
Stephen Dickey 2021-08-09 10:29:26 -07:00 committed by Rishabh Bhatnagar
parent 1efede7023
commit f6a9379748
1 changed files with 6 additions and 6 deletions
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12
kernel/sched/walt/core_ctl.c
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@ -1155,9 +1155,9 @@ static void core_ctl_pause_cpus(struct cpumask *cpus_to_pause)
if (cpumask_any(cpus_to_pause) < nr_cpu_ids) {
if (walt_pause_cpus(cpus_to_pause) < 0)
printk_deferred("core_ctl pause operation failed cpus=%*pbl paused_by_us=%*pbl\n",
cpumask_pr_args(cpus_to_pause),
cpumask_pr_args(&cpus_paused_by_us));
pr_debug("core_ctl pause operation failed cpus=%*pbl paused_by_us=%*pbl\n",
cpumask_pr_args(cpus_to_pause),
cpumask_pr_args(&cpus_paused_by_us));
else
cpumask_or(&cpus_paused_by_us, &cpus_paused_by_us, &saved_cpus);
}
@ -1184,9 +1184,9 @@ static void core_ctl_resume_cpus(struct cpumask *cpus_to_unpause)
if (cpumask_any(cpus_to_unpause) < nr_cpu_ids) {
if (walt_resume_cpus(cpus_to_unpause) < 0)
printk_deferred("core_ctl resume operation failed cpus=%*pbl paused_by_us=%*pbl\n",
cpumask_pr_args(cpus_to_unpause),
cpumask_pr_args(&cpus_paused_by_us));
pr_debug("core_ctl resume operation failed cpus=%*pbl paused_by_us=%*pbl\n",
cpumask_pr_args(cpus_to_unpause),
cpumask_pr_args(&cpus_paused_by_us));
else
cpumask_andnot(&cpus_paused_by_us, &cpus_paused_by_us, &saved_cpus);
}