From: Rinigus <rinigus.git@gmail.com>
Date: Fri, 5 Aug 2016 12:16:18 +0000 (+0300)
Subject: cpusleep plugin: calculating in integers
X-Git-Tag: collectd-5.6.0~91^2~1
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=247d35ab847f874bcb382c37525db76f454aad36;p=collectd.git

cpusleep plugin: calculating in integers
---

diff --git a/src/cpusleep.c b/src/cpusleep.c
index 9a0e17ee..4d3547a4 100644
--- a/src/cpusleep.c
+++ b/src/cpusleep.c
@@ -71,7 +71,9 @@ static int cpusleep_read(void)
 
 	// to avoid false positives in counter overflow due to reboot,
 	// derive is used. Sleep is calculated in milliseconds
-	derive_t sleep = (derive_t) ((b.tv_sec - m.tv_sec)*1e3 + (b.tv_nsec - m.tv_nsec)*1e-6);	 
+	derive_t diffsec = b.tv_sec - m.tv_sec;
+	derive_t diffnsec = b.tv_nsec - m.tv_nsec;
+	derive_t sleep = diffsec * 1000 + diffnsec / 1000000;
 
 	cpusleep_submit(sleep);