Re: [PATCH] /proc/uptime on SMP machines

From: Tim Moore (timothymoore@bigfoot.com)
Date: Sat Mar 17 2001 - 22:41:12 EST

> Same for 2.2.19p17

except that init_tasks is a 2.4 struc. Corrected as below.

rgds,
tim

--- 2.2.19pre17/fs/proc/array.c.old Fri Mar 16 04:09:41 2001
+++ 2.2.19pre17/fs/proc/array.c.idle Sat Mar 17 19:35:36 2001
@@ -339,9 +339,16 @@
 {
        unsigned long uptime;
        unsigned long idle;
+ int i;
 
        uptime = jiffies;
+#ifdef CONFIG_SMP
+ for (idle =0,i = 0; i < smp_num_cpus; i++)
+ idle += (task[i]->times.tms_utime +
+ task[i]->times.tms_stime)/smp_num_cpus;
+#else
        idle = task[0]->times.tms_utime + task[0]->times.tms_stime;
+#endif
 
        /* The formula for the fraction parts really is ((t * 100) / HZ) % 100, but
           that would overflow about every five days at HZ == 100. 

--
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