Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [PATCH 12/12] clocksource: Add some debug info about clocksources being registered | Date | Fri, 6 Mar 2015 18:50:03 -0800 |
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Print the mask, max_cycles, and max_idle_ns values for clocksources being registered.
Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: John Stultz <john.stultz@linaro.org> --- kernel/time/clocksource.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 3f24bb3..9b75316 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -697,6 +697,10 @@ void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq) cs->max_idle_ns = clocks_calc_max_nsecs(cs->mult, cs->shift, cs->maxadj, cs->mask, &cs->max_cycles); + + 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); -- 1.9.1
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