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[67.170.153.23]) by mx.google.com with ESMTPSA id a2sm8381456pbu.27.2015.03.06.18.50.35 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 06 Mar 2015 18:50:35 -0800 (PST) From: John Stultz To: lkml Cc: John Stultz , Dave Jones , Linus Torvalds , Thomas Gleixner , Richard Cochran , Prarit Bhargava , Stephen Boyd , Ingo Molnar , Peter Zijlstra Subject: [PATCH 12/12] clocksource: Add some debug info about clocksources being registered Date: Fri, 6 Mar 2015 18:50:03 -0800 Message-Id: <1425696603-16878-13-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1425696603-16878-1-git-send-email-john.stultz@linaro.org> References: <1425696603-16878-1-git-send-email-john.stultz@linaro.org> X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: john.stultz@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.174 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Precedence: list Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org List-ID: X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Print the mask, max_cycles, and max_idle_ns values for clocksources being registered. Cc: Dave Jones Cc: Linus Torvalds Cc: Thomas Gleixner Cc: Richard Cochran Cc: Prarit Bhargava Cc: Stephen Boyd Cc: Ingo Molnar Cc: Peter Zijlstra Signed-off-by: John Stultz --- 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);