runc/libcontainer/cgroups/fs/cpuacct_test.go

62 lines
2.1 KiB
Go

// +build linux
package fs
import (
"reflect"
"testing"
"github.com/opencontainers/runc/libcontainer/cgroups"
)
const (
cpuAcctUsageContents = "12262454190222160"
cpuAcctUsagePerCPUContents = "1564936537989058 1583937096487821 1604195415465681 1596445226820187 1481069084155629 1478735613864327 1477610593414743 1476362015778086"
cpuAcctStatContents = "user 452278264\nsystem 291429664"
cpuAcctUsageAll = `cpu user system
0 962250696038415 637727786389114
1 981956408513304 638197595421064
2 1002658817529022 638956774598358
3 994937703492523 637985531181620
4 874843781648690 638837766495476
5 872544369885276 638763309884944
6 870104915696359 640081778921247
7 870202363887496 638716766259495
`
)
func TestCpuacctStats(t *testing.T) {
helper := NewCgroupTestUtil("cpuacct.", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"cpuacct.usage": cpuAcctUsageContents,
"cpuacct.usage_percpu": cpuAcctUsagePerCPUContents,
"cpuacct.stat": cpuAcctStatContents,
"cpuacct.usage_all": cpuAcctUsageAll,
})
cpuacct := &CpuacctGroup{}
actualStats := *cgroups.NewStats()
err := cpuacct.GetStats(helper.CgroupPath, &actualStats)
if err != nil {
t.Fatal(err)
}
expectedStats := cgroups.CpuUsage{
TotalUsage: uint64(12262454190222160),
PercpuUsage: []uint64{1564936537989058, 1583937096487821, 1604195415465681, 1596445226820187,
1481069084155629, 1478735613864327, 1477610593414743, 1476362015778086},
PercpuUsageInKernelmode: []uint64{637727786389114, 638197595421064, 638956774598358, 637985531181620,
638837766495476, 638763309884944, 640081778921247, 638716766259495},
PercpuUsageInUsermode: []uint64{962250696038415, 981956408513304, 1002658817529022, 994937703492523,
874843781648690, 872544369885276, 870104915696359, 870202363887496},
UsageInKernelmode: (uint64(291429664) * nanosecondsInSecond) / clockTicks,
UsageInUsermode: (uint64(452278264) * nanosecondsInSecond) / clockTicks,
}
if !reflect.DeepEqual(expectedStats, actualStats.CpuStats.CpuUsage) {
t.Errorf("Expected CPU usage %#v but found %#v\n",
expectedStats, actualStats.CpuStats.CpuUsage)
}
}