[PATCH] elapsed times wrap

From: Hugh Dickins (hugh@veritas.com)
Date: Sat Feb 22 2003 - 05:17:59 EST


Userspace shows huge elapsed time across jiffies wrap: with USER_HZ
less then HZ, sys_times needs jiffies_64 to calculate its retval.

--- 2.5.62/kernel/sys.c Sat Feb 15 08:30:12 2003
+++ linux/kernel/sys.c Fri Feb 21 20:41:52 2003
@@ -870,7 +870,7 @@
                 if (copy_to_user(tbuf, &tmp, sizeof(struct tms)))
                         return -EFAULT;
         }
- return jiffies_to_clock_t(jiffies);
+ return (long) jiffies_64_to_clock_t(get_jiffies_64());
 }
 
 /*

-
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