diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/tick-sched.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ccfc2086cd4..e057d338daa 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -186,6 +186,13 @@ static int __cpuinit tick_nohz_cpu_down_callback(struct notifier_block *nfb, return NOTIFY_OK; } +/* + * Worst case string length in chunks of CPU range seems 2 steps + * separations: 0,2,4,6,... + * This is NR_CPUS + sizeof('\0') + */ +static char __initdata nohz_ext_buf[NR_CPUS + 1]; + static int __init init_tick_nohz_extended(void) { cpumask_var_t online_nohz; @@ -225,6 +232,9 @@ static int __init init_tick_nohz_extended(void) put_online_cpus(); free_cpumask_var(online_nohz); + cpulist_scnprintf(nohz_ext_buf, sizeof(nohz_ext_buf), nohz_extended_mask); + pr_info("NO_HZ: Full dynticks CPUs: %s.\n", nohz_ext_buf); + return 0; } core_initcall(init_tick_nohz_extended); |