From: tip-bot for John Stultz <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: sboyd@codeaurora.org, tglx@linutronix.de,
davej@codemonkey.org.uk, hpa@zytor.com,
linux-kernel@vger.kernel.org, john.stultz@linaro.org,
torvalds@linux-foundation.org, peterz@infradead.org,
prarit@redhat.com, richardcochran@gmail.com, mingo@kernel.org
Subject: [tip:timers/core] clocksource: Add some debug info about clocksources being registered
Date: Fri, 13 Mar 2015 02:04:19 -0700 [thread overview]
Message-ID: <tip-8cc8c525ad4e7b581cacf84119e1a28dcb4044db@git.kernel.org> (raw)
In-Reply-To: <1426133800-29329-12-git-send-email-john.stultz@linaro.org>
Commit-ID: 8cc8c525ad4e7b581cacf84119e1a28dcb4044db
Gitweb: http://git.kernel.org/tip/8cc8c525ad4e7b581cacf84119e1a28dcb4044db
Author: John Stultz <john.stultz@linaro.org>
AuthorDate: Wed, 11 Mar 2015 21:16:39 -0700
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 13 Mar 2015 08:07:07 +0100
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>
---
kernel/time/clocksource.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5cdf17e..1977eba 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);
next prev parent reply other threads:[~2015-03-13 9:05 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 4:16 [PATCH 00/12] Increased clocksource validation and cleanups (v4) John Stultz
2015-03-12 4:16 ` [PATCH 01/12] clocksource: Simplify clocks_calc_max_nsecs logic John Stultz
2015-03-13 9:01 ` [tip:timers/core] clocksource: Simplify the clocks_calc_max_nsecs () logic tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 02/12] clocksource: Simplify logic around clocksource wrapping safety margins John Stultz
2015-03-12 5:55 ` Ingo Molnar
2015-03-13 9:01 ` [tip:timers/core] clocksource: Simplify the " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 03/12] clocksource: Add max_cycles to clocksource structure John Stultz
2015-03-13 9:01 ` [tip:timers/core] clocksource: Add 'max_cycles' to ' struct clocksource' tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 04/12] time: Add debugging checks to warn if we see delays John Stultz
2015-03-12 6:32 ` Ingo Molnar
2015-03-13 9:02 ` [tip:timers/core] timekeeping: " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 05/12] time: Add infrastructure to cap clocksource reads to the max_cycles value John Stultz
2015-03-13 9:02 ` [tip:timers/core] timekeeping: Add checks to cap clocksource reads to the 'max_cycles' value tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 06/12] time: Try to catch clocksource delta underflows John Stultz
2015-03-13 9:02 ` [tip:timers/core] timekeeping: " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 07/12] time: Add warnings when overflows or underflows are observed John Stultz
2015-03-12 7:37 ` Ingo Molnar
2015-03-13 9:03 ` [tip:timers/core] timekeeping: " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 08/12] clocksource: Improve clocksource watchdog reporting John Stultz
2015-03-13 9:03 ` [tip:timers/core] " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 09/12] clocksource: Mostly kill clocksource_register() John Stultz
2015-03-13 9:03 ` [tip:timers/core] " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 10/12] sparc: Convert to using clocksource_register_hz() John Stultz
2015-03-13 9:04 ` [tip:timers/core] clocksource, sparc32: " tip-bot for John Stultz
2015-03-12 4:16 ` [PATCH 11/12] clocksource: Add some debug info about clocksources being registered John Stultz
2015-03-13 9:04 ` tip-bot for John Stultz [this message]
2015-03-12 4:16 ` [PATCH 12/12] clocksource: Rename __clocksource_updatefreq_* to __clocksource_update_freq_* John Stultz
2015-03-13 9:04 ` [tip:timers/core] clocksource: Rename __clocksource_updatefreq_*( ) to __clocksource_update_freq_*() tip-bot for John Stultz
2015-03-12 9:19 ` [PATCH 00/12] Increased clocksource validation and cleanups (v4) Ingo Molnar
2015-03-12 16:26 ` John Stultz
2015-03-13 8:58 ` Ingo Molnar
2015-03-13 17:54 ` John Stultz
2015-03-16 8:28 ` Ingo Molnar
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