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| author | John Stultz <john.stultz@linaro.org> | 2015-03-11 21:16:39 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-13 08:07:07 +0100 |
| commit | 8cc8c525ad4e7b581cacf84119e1a28dcb4044db (patch) | |
| tree | 7ebb342e17388fc6968087ca156f4765916c02e8 /kernel/time/clocksource.c | |
| parent | 3142f76022fe46f6e0a0d3940b23fb6ccb794692 (diff) | |
| download | lwn-8cc8c525ad4e7b581cacf84119e1a28dcb4044db.tar.gz lwn-8cc8c525ad4e7b581cacf84119e1a28dcb4044db.zip | |
clocksource: Add some debug info about clocksources being registered
Print the mask, max_cycles, and max_idle_ns values for
clocksources being registered.
Signed-off-by: John Stultz <john.stultz@linaro.org>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1426133800-29329-12-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/time/clocksource.c')
| -rw-r--r-- | kernel/time/clocksource.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 5cdf17eb4fa6..1977ebabd922 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -703,6 +703,9 @@ void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq) cs->name); clocksource_update_max_deferment(cs); + + pr_info("clocksource %s: mask: 0x%llx max_cycles: 0x%llx, max_idle_ns: %lld ns\n", + cs->name, cs->mask, cs->max_cycles, cs->max_idle_ns); } EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale); |