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clocksource: Add some debug info about clocksources being registered

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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>
This commit is contained in:
John Stultz 2015-03-11 21:16:39 -07:00 committed by Ingo Molnar
parent 3142f76022
commit 8cc8c525ad
1 changed files with 3 additions and 0 deletions
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3
kernel/time/clocksource.c
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@ -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);