diff options
| author | Will Deacon <will@kernel.org> | 2021-05-24 23:18:18 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-05-31 17:04:49 +0200 |
| commit | 245a057fee18be08d6ac12357463579d06bea077 (patch) | |
| tree | 99579a822b53ba7b0696fc775ccb9712d571bb79 /kernel/time/timer_list.c | |
| parent | ea5c7f1b9aa1a7c9d1bb9440084ac1256789fadb (diff) | |
| download | linux-245a057fee18be08d6ac12357463579d06bea077.tar.bz2 | |
timer_list: Print name of per-cpu wakeup device
With the introduction of per-cpu wakeup devices that can be used in
preference to the broadcast timer, print the name of such devices when
they are available.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210524221818.15850-6-will@kernel.org
Diffstat (limited to 'kernel/time/timer_list.c')
| -rw-r--r-- | kernel/time/timer_list.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index 6939140ab7c5..ed7d6ad694fb 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -228,6 +228,14 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu) SEQ_printf(m, " event_handler: %ps\n", dev->event_handler); SEQ_printf(m, "\n"); SEQ_printf(m, " retries: %lu\n", dev->retries); + +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST + if (cpu >= 0) { + const struct clock_event_device *wd = tick_get_wakeup_device(cpu); + + SEQ_printf(m, "Wakeup Device: %s\n", wd ? wd->name : "<NULL>"); + } +#endif SEQ_printf(m, "\n"); } @@ -248,7 +256,7 @@ static void timer_list_show_tickdevices_header(struct seq_file *m) static inline void timer_list_header(struct seq_file *m, u64 now) { - SEQ_printf(m, "Timer List Version: v0.8\n"); + SEQ_printf(m, "Timer List Version: v0.9\n"); SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES); SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now); SEQ_printf(m, "\n"); |