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authorJustin Waters <justin.waters@timesys.com>2008-02-26 13:07:02 -0500
committerJustin Waters <justin.waters@timesys.com>2008-02-26 13:07:02 -0500
commitb80a32b9cc634adfa8eaef33ec981e7febf2ade2 (patch)
treef256bce13ba11f514a388160df84e1410bedbe2b /fs/proc/proc_misc.c
parent594133ef22fae0d737bd1b57352cf3f48a192c63 (diff)
Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807
This is the result of a brute-force attempt to update the kernel to 2.6.23. Now that we have a git tree, our effort will be a little nicer in the future. Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'fs/proc/proc_misc.c')
-rw-r--r--fs/proc/proc_misc.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5fd49e47f83a..bee251cb87c8 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -105,6 +105,7 @@ static int uptime_read_proc(char *page, char **start, off_t off,
cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
do_posix_clock_monotonic_gettime(&uptime);
+ monotonic_to_bootbased(&uptime);
cputime_to_timespec(idletime, &idle);
len = sprintf(page,"%lu.%02lu %lu.%02lu\n",
(unsigned long) uptime.tv_sec,
@@ -443,12 +444,17 @@ static int show_stat(struct seq_file *p, void *v)
unsigned long jif;
cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
u64 sum = 0;
+ struct timespec boottime;
+ unsigned int *per_irq_sum;
+
+ per_irq_sum = kzalloc(sizeof(unsigned int)*NR_IRQS, GFP_KERNEL);
+ if (!per_irq_sum)
+ return -ENOMEM;
user = nice = system = idle = iowait =
irq = softirq = steal = cputime64_zero;
- jif = - wall_to_monotonic.tv_sec;
- if (wall_to_monotonic.tv_nsec)
- --jif;
+ getboottime(&boottime);
+ jif = boottime.tv_sec;
for_each_possible_cpu(i) {
int j;
@@ -461,8 +467,11 @@ static int show_stat(struct seq_file *p, void *v)
irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
- for (j = 0 ; j < NR_IRQS ; j++)
- sum += kstat_cpu(i).irqs[j];
+ for (j = 0; j < NR_IRQS; j++) {
+ unsigned int temp = kstat_cpu(i).irqs[j];
+ sum += temp;
+ per_irq_sum[j] += temp;
+ }
}
seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu\n",
@@ -498,9 +507,10 @@ static int show_stat(struct seq_file *p, void *v)
}
seq_printf(p, "intr %llu", (unsigned long long)sum);
-#if !defined(CONFIG_PPC64) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64)
+#ifndef CONFIG_SMP
+ /* Touches too many cache lines on SMP setups */
for (i = 0; i < NR_IRQS; i++)
- seq_printf(p, " %u", kstat_irqs(i));
+ seq_printf(p, " %u", per_irq_sum[i]);
#endif
seq_printf(p,
@@ -515,6 +525,7 @@ static int show_stat(struct seq_file *p, void *v)
nr_running(),
nr_iowait());
+ kfree(per_irq_sum);
return 0;
}