ensure operation is using double

diff --git a/src/lib/cpu.c b/src/lib/cpu.c
index 9fb389b..91d0bf5 100644 (file)
--- a/src/lib/cpu.c
+++ b/src/lib/cpu.c
@@ -73,7 +73,7 @@ static double get_usage()
        dt = cpu.total - last_total;
 
        if (dt)
-               cpu_rate = 100 * (used - last_used) / dt;
+               cpu_rate = 100.0 * (used - last_used) / dt;
        else
                cpu_rate = UNKNOWN_DBL_VALUE;