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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-12-19 19:23:15 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-12-19 19:23:15 +0100
commit612ef28a045efadb3a98d4492ead7806a146485d (patch)
tree05621c87b37e91c27b06d450d76adffe97ce9666 /drivers/cpufreq/cpufreq_conservative.c
parentc3e0ef9a298e028a82ada28101ccd5cf64d209ee (diff)
parent07cde2608a3b5c66515363f1b53623b1536b9785 (diff)
downloadop-kernel-dev-612ef28a045efadb3a98d4492ead7806a146485d.zip
op-kernel-dev-612ef28a045efadb3a98d4492ead7806a146485d.tar.gz
Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip
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
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 7f31a03..235a340 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -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;
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