From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755646AbbCGCvC (ORCPT ); Fri, 6 Mar 2015 21:51:02 -0500 Received: from mail-pd0-f175.google.com ([209.85.192.175]:36330 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755199AbbCGCuh (ORCPT ); Fri, 6 Mar 2015 21:50:37 -0500 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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 1.9.1