From 50da095243745f2e2a0c3f4805fe187a392832b7 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sat, 23 May 2015 12:06:35 +0200
Subject: utils/vmstat: fix integer overflow

Previously, the `vmstat' utility would stop displaying the memory
object hit ratio after some time due to an integer overflow.

* utils/vmstat.c (get_memobj_hit_ratio): Fix integer overflow.
---
 utils/vmstat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'utils')

diff --git a/utils/vmstat.c b/utils/vmstat.c
index e3944848..92a36726 100644
--- a/utils/vmstat.c
+++ b/utils/vmstat.c
@@ -242,7 +242,8 @@ vm_state_get_field (struct vm_state *state, const struct field *field)
 static val_t
 get_memobj_hit_ratio (struct vm_state *state, const struct field *field)
 {
-  return state->vmstats.hits * 100 / state->vmstats.lookups;
+  return (val_t)
+    ((float) state->vmstats.hits * 100. / (float) state->vmstats.lookups);
 }
 
 /* Makes sure STATE contains a default pager port and associated info, and
-- 
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