From b3de44bac6640df6878a989eaac2544d394d65fa Mon Sep 17 00:00:00 2001
From: Renan DelValle <commit@ridv.xyz>
Date: Sat, 4 Jan 2020 18:09:41 -0800
Subject: [PATCH] Change cap node to use a temporary setup.
---
rapl-daemon/util_test.go | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/rapl-daemon/util_test.go b/rapl-daemon/util_test.go
index 010493e..61612b2 100644
--- a/rapl-daemon/util_test.go
+++ b/rapl-daemon/util_test.go
@@ -4,6 +4,7 @@ import (
"io/ioutil"
"math"
"os"
+ "path/filepath"
"strconv"
"strings"
"testing"
@@ -15,11 +16,20 @@ import (
// that mimic the powercap subsystem and create test to operate on it.
func TestCapNode(t *testing.T) {
- err := capNode("/sys/devices/virtual/powercap/intel-rapl", 95)
+ RAPLdir, err := ioutil.TempDir("", "intel-rapl")
+ assert.NoError(t, err)
+ defer os.RemoveAll(RAPLdir)
- if err != nil {
- t.Fail()
- }
+ zonePath := filepath.Join(RAPLdir, raplPrefixCPU+":0")
+ err = os.Mkdir(zonePath, 755)
+ assert.NoError(t, err)
+ err = ioutil.WriteFile(filepath.Join(zonePath, maxPowerFileShortWindow), []byte("1500000"), 0444)
+ assert.NoError(t, err)
+ err = ioutil.WriteFile(filepath.Join(zonePath, powerLimitFileShortWindow), []byte("1500000"), 0644)
+ assert.NoError(t, err)
+
+ err = capNode(RAPLdir, 95)
+ assert.NoError(t, err)
}
func TestMaxPower(t *testing.T) {
@@ -42,7 +52,6 @@ func TestMaxPower(t *testing.T) {
}
func TestCapZone(t *testing.T) {
-
const maxPower float64 = 1500000
const percentage float64 = .50