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Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip

Browse Source 
Conflicts:
	drivers/cpufreq/cpufreq_conservative.c
	drivers/cpufreq/cpufreq_ondemand.c
	drivers/macintosh/rack-meter.c
	fs/proc/stat.c
	fs/proc/uptime.c
	kernel/sched/core.c
This commit is contained in:
Martin Schwidefsky
2011-12-19 19:23:15 +01:00
parent c3e0ef9a29 07cde2608a
commit 612ef28a04
29 changed files with 2608 additions and 2375 deletions
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41
drivers/cpufreq/cpufreq_conservative.c
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@@ -95,26 +95,26 @@ static struct dbs_tuners {
.freq_step = 5,
};
static inline cputime64_t get_cpu_idle_time_jiffy(unsigned int cpu,
cputime64_t *wall)
static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall)
{
cputime64_t idle_time;
cputime64_t cur_wall_time;
cputime64_t busy_time;
u64 idle_time;
u64 cur_wall_time;
u64 busy_time;
cur_wall_time = jiffies64_to_cputime64(get_jiffies_64());
busy_time = kstat_cpu(cpu).cpustat.user;
busy_time += kstat_cpu(cpu).cpustat.system;
busy_time += kstat_cpu(cpu).cpustat.irq;
busy_time += kstat_cpu(cpu).cpustat.softirq;
busy_time += kstat_cpu(cpu).cpustat.steal;
busy_time += kstat_cpu(cpu).cpustat.nice;
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 = (cputime64_t)jiffies_to_usecs(cur_wall_time);
*wall = jiffies_to_usecs(cur_wall_time);
return (cputime64_t)jiffies_to_usecs(idle_time);
return jiffies_to_usecs(idle_time);
}
static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall)
@@ -271,7 +271,7 @@ static ssize_t store_ignore_nice_load(struct kobject *a, struct attribute *b,
dbs_info->prev_cpu_idle = get_cpu_idle_time(j,
&dbs_info->prev_cpu_wall);
if (dbs_tuners_ins.ignore_nice)
dbs_info->prev_cpu_nice = kstat_cpu(j).cpustat.nice;
dbs_info->prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE];
}
return count;
}
@@ -361,11 +361,11 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
j_dbs_info->prev_cpu_idle = cur_idle_time;
if (dbs_tuners_ins.ignore_nice) {
cputime64_t cur_nice;
u64 cur_nice;
unsigned long cur_nice_jiffies;
cur_nice = kstat_cpu(j).cpustat.nice -
j_dbs_info->prev_cpu_nice;
cur_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE] -
j_dbs_info->prev_cpu_nice;
/*
* Assumption: nice time between sampling periods will
* be less than 2^32 jiffies for 32 bit sys
@@ -373,7 +373,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
cur_nice_jiffies = (unsigned long)
cputime64_to_jiffies64(cur_nice);
j_dbs_info->prev_cpu_nice = kstat_cpu(j).cpustat.nice;
j_dbs_info->prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE];
idle_time += jiffies_to_usecs(cur_nice_jiffies);
}
@@ -500,10 +500,9 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
j_dbs_info->prev_cpu_idle = get_cpu_idle_time(j,
&j_dbs_info->prev_cpu_wall);
if (dbs_tuners_ins.ignore_nice) {
if (dbs_tuners_ins.ignore_nice)
j_dbs_info->prev_cpu_nice =
kstat_cpu(j).cpustat.nice;
}
kcpustat_cpu(j).cpustat[CPUTIME_NICE];
}
this_dbs_info->down_skip = 0;
this_dbs_info->requested_freq = policy->cur;