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cpufreq: interactive: Use generic get_cpu_idle_time() from cpufreq.c

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Now that a generic version of get_cpu_idle_time() is available, use that for the interactive governor.

[toddpoynor@google.com: commit text changes]
Change-Id: Ia38b57085aac99ec3d415fe44471d5dfde519c2c
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Viresh Kumar
2013-05-16 14:22:49 +05:30
committed by John Stultz
parent 8385286d76
commit 0be8516aaa
1 changed files with 0 additions and 40 deletions
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40
drivers/cpufreq/cpufreq_interactive.c
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@@ -30,8 +30,6 @@
#include <linux/workqueue.h>
#include <linux/kthread.h>
#include <linux/slab.h>
#include <linux/kernel_stat.h>
#include <asm/cputime.h>
#define CREATE_TRACE_POINTS
#include <trace/events/cpufreq_interactive.h>
@@ -119,44 +117,6 @@ struct cpufreq_interactive_tunables *common_tunables;
static struct attribute_group *get_sysfs_attr(void);
static inline cputime64_t get_cpu_idle_time_jiffy(unsigned int cpu,
cputime64_t *wall)
{
u64 idle_time;
u64 cur_wall_time;
u64 busy_time;
cur_wall_time = jiffies64_to_cputime64(get_jiffies_64());
busy_time = kcpustat_cpu(cpu).cpustat[CPUTIME_USER];
busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_SYSTEM];
busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_IRQ];
busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_SOFTIRQ];
busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_STEAL];
busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_NICE];
idle_time = cur_wall_time - busy_time;
if (wall)
*wall = jiffies_to_usecs(cur_wall_time);
return jiffies_to_usecs(idle_time);
}
static inline cputime64_t get_cpu_idle_time(
unsigned int cpu,
cputime64_t *wall,
bool io_is_busy)
{
u64 idle_time = get_cpu_idle_time_us(cpu, wall);
if (idle_time == -1ULL)
idle_time = get_cpu_idle_time_jiffy(cpu, wall);
else if (!io_is_busy)
idle_time += get_cpu_iowait_time_us(cpu, wall);
return idle_time;
}
static void cpufreq_interactive_timer_resched(
struct cpufreq_interactive_cpuinfo *pcpu)
{