From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stratos Karafotis Subject: [PATCH linux-pm] cpufreq: governors: Fix calculation of wall time in get_cpu_idle_time Date: Fri, 22 Mar 2013 09:16:37 +0200 Message-ID: <514C0555.1010806@semaphore.gr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: cpufreq-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org With commit 8755a8ae31ba213db196324011a0da2a85807f25 the wall in get_cpu_idle_time is not calculated, when we use ondemand with io_is_busy = 1, preventing the CPU to increase to max frequency. Properly, calculate wall time when we use io_is_busy. Signed-off-by: Stratos Karafotis --- drivers/cpufreq/cpufreq_governor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index b49d45d..41e5e56 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -53,7 +53,7 @@ static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall) u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy) { - u64 idle_time = get_cpu_idle_time_us(cpu, NULL); + u64 idle_time = get_cpu_idle_time_us(cpu, io_busy ? wall : NULL); if (idle_time == -1ULL) return get_cpu_idle_time_jiffy(cpu, wall); -- 1.8.1.4