From c6b26c5a406225868f05672949bcc4997c94c3ab Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 27 Aug 2013 17:40:45 +0100
Subject: overlay: Scale the CPU busy value by the numer of active cores

Having 100% always mean one processor fully utilised is much easier to
understand (than having to remember how many cores are on each machine
and scale appropriately).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 overlay/cpu-top.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'overlay/cpu-top.c')

diff --git a/overlay/cpu-top.c b/overlay/cpu-top.c
index 4e31da1b..c134d409 100644
--- a/overlay/cpu-top.c
+++ b/overlay/cpu-top.c
@@ -25,10 +25,20 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <string.h>
 #include <errno.h>
 
 #include "cpu-top.h"
 
+int cpu_top_init(struct cpu_top *cpu)
+{
+	memset(cpu, 0, sizeof(*cpu));
+
+	cpu->nr_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+
+	return 0;
+}
+
 int cpu_top_update(struct cpu_top *cpu)
 {
 	struct cpu_stat *s = &cpu->stat[cpu->count++&1];
-- 
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