From: Tim Moore <timothymoore@bigfoot.com>
To: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] /proc/uptime on SMP machines
Date: Sat, 17 Mar 2001 19:41:12 -0800 [thread overview]
Message-ID: <3AB42E58.1FF1895F@bigfoot.com> (raw)
In-Reply-To: <15027.62364.751528.388435@siemens.ikp.physik.tu-darmstadt.de>
> 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.
--
next prev parent reply other threads:[~2001-03-18 3:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-17 23:30 [PATCH] /proc/uptime on SMP machines Uwe Bonnes
2001-03-18 3:26 ` Tim Moore
2001-03-18 3:41 ` Tim Moore [this message]
2001-03-18 4:46 ` Tim Moore
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