From a70b9dffaf21b6f8d5a981aabe82d6dfae736cf7 Mon Sep 17 00:00:00 2001
From: Ole Tange <ole@tange.dk>
Date: Fri, 28 Dec 2012 12:57:43 +0100
Subject: [PATCH] niceload: under heavy load `iostat` somehow does not work.

---
 src/niceload | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/niceload b/src/niceload
index d8ac9fa9..c12d08eb 100755
--- a/src/niceload
+++ b/src/niceload
@@ -786,7 +786,7 @@ sub io_status_linux {
 	push @iostat, (split(/\s+/,$_))[13];
     }
     my $io = ::max(@iostat);
-    return $io/10;
+    return ::undef_as_zero($io)/10;
 }
 
 $::exitsignal = $::exitstatus = 0; # Dummy