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Subject: Re: [patch] 2.4-ac: real-time / scheduling information out of /proc
From: Robert Love <rml@tech9.net>
To: alan@lxorguk.ukuu.org.uk
Cc: linux-kernel@vger.kernel.org
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On Thu, 2002-09-19 at 17:26, Robert Love wrote:

> The attached patch exports scheduling policy and real-time priority from
> /proc/<pid>/stats.
> 
> Support for reading this information is in procps CVS.
> 
> This information has been in 2.5 since 2.5.18.
> 
> It does not break old versions of procps as it just adds the new entries
> to the end.  I do not know what the practice is wrt adding proc fields
> in stable kernels, however since this does not break procps, is
> supported by current procps, and is in 2.5 -- it is perfectly safe to
> me.
> 
> Patch is against 2.4.20-pre7-ac3, please apply.

Ugh, missing a comma.  Sorry,

	Robert Love




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diff -urN linux-2.4.20-pre7-ac3/fs/proc/array.c linux/fs/proc/array.c
--- linux-2.4.20-pre7-ac3/fs/proc/array.c	Thu Sep 19 16:10:34 2002
+++ linux/fs/proc/array.c	Thu Sep 19 17:18:36 2002
@@ -346,7 +346,7 @@
 	read_unlock(&tasklist_lock);
 	res =3D sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \
 %lu %lu %lu %lu %lu %ld %ld %ld %ld %ld %ld %lu %lu %ld %lu %lu %lu %lu %l=
u \
-%lu %lu %lu %lu %lu %lu %lu %lu %d %d\n",
+%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu\n",
 		task->pid,
 		task->comm,
 		state,
@@ -389,7 +389,9 @@
 		task->nswap,
 		task->cnswap,
 		task->exit_signal,
-		task_cpu(task));
+		task_cpu(task),
+		task->rt_priority,
+		task->policy);
 	if(mm)
 		mmput(mm);
 	return res;

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