string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / kernel / delayacct.c

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index c0148ae..ead9b61 100644 (file)
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -15,6 +15,7 @@
 
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/taskstats.h>
 #include <linux/time.h>
 #include <linux/sysctl.h>
 #include <linux/delayacct.h>
@@ -99,9 +100,10 @@ void __delayacct_blkio_end(void)
 int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
 {
        s64 tmp;
-       struct timespec ts;
-       unsigned long t1,t2,t3;
+       unsigned long t1;
+       unsigned long long t2, t3;
        unsigned long flags;
+       struct timespec ts;
 
        /* Though tsk->delays accessed later, early exit avoids
         * unnecessary returning of other data
@@ -114,21 +116,26 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
        tmp += timespec_to_ns(&ts);
        d->cpu_run_real_total = (tmp < (s64)d->cpu_run_real_total) ? 0 : tmp;
 
+       tmp = (s64)d->cpu_scaled_run_real_total;
+       cputime_to_timespec(tsk->utimescaled + tsk->stimescaled, &ts);
+       tmp += timespec_to_ns(&ts);
+       d->cpu_scaled_run_real_total =
+               (tmp < (s64)d->cpu_scaled_run_real_total) ? 0 : tmp;
+
        /*
         * No locking available for sched_info (and too expensive to add one)
         * Mitigate by taking snapshot of values
         */
-       t1 = tsk->sched_info.pcnt;
+       t1 = tsk->sched_info.pcount;
        t2 = tsk->sched_info.run_delay;
-       t3 = tsk->sched_info.cpu_time;
+       t3 = tsk->se.sum_exec_runtime;
 
        d->cpu_count += t1;
 
-       jiffies_to_timespec(t2, &ts);
-       tmp = (s64)d->cpu_delay_total + timespec_to_ns(&ts);
+       tmp = (s64)d->cpu_delay_total + t2;
        d->cpu_delay_total = (tmp < (s64)d->cpu_delay_total) ? 0 : tmp;
 
-       tmp = (s64)d->cpu_run_virtual_total + (s64)jiffies_to_usecs(t3) * 1000;
+       tmp = (s64)d->cpu_run_virtual_total + t3;
        d->cpu_run_virtual_total =
                (tmp < (s64)d->cpu_run_virtual_total) ? 0 : tmp;
 
@@ -139,8 +146,11 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
        d->blkio_delay_total = (tmp < d->blkio_delay_total) ? 0 : tmp;
        tmp = d->swapin_delay_total + tsk->delays->swapin_delay;
        d->swapin_delay_total = (tmp < d->swapin_delay_total) ? 0 : tmp;
+       tmp = d->freepages_delay_total + tsk->delays->freepages_delay;
+       d->freepages_delay_total = (tmp < d->freepages_delay_total) ? 0 : tmp;
        d->blkio_count += tsk->delays->blkio_count;
        d->swapin_count += tsk->delays->swapin_count;
+       d->freepages_count += tsk->delays->freepages_count;
        spin_unlock_irqrestore(&tsk->delays->lock, flags);
 
 done:
@@ -159,3 +169,16 @@ __u64 __delayacct_blkio_ticks(struct task_struct *tsk)
        return ret;
 }
 
+void __delayacct_freepages_start(void)
+{
+       delayacct_start(&current->delays->freepages_start);
+}
+
+void __delayacct_freepages_end(void)
+{
+       delayacct_end(&current->delays->freepages_start,
+                       &current->delays->freepages_end,
+                       &current->delays->freepages_delay,
+                       &current->delays->freepages_count);
+}
+