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https://github.com/genuinetools/reg.git
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637 lines
21 KiB
Go
637 lines
21 KiB
Go
// +build linux
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package fs
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import (
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"strconv"
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"testing"
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"github.com/opencontainers/runc/libcontainer/cgroups"
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"github.com/opencontainers/runc/libcontainer/configs"
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)
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const (
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sectorsRecursiveContents = `8:0 1024`
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serviceBytesRecursiveContents = `8:0 Read 100
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8:0 Write 200
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8:0 Sync 300
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8:0 Async 500
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8:0 Total 500
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Total 500`
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servicedRecursiveContents = `8:0 Read 10
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8:0 Write 40
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8:0 Sync 20
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8:0 Async 30
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8:0 Total 50
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Total 50`
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queuedRecursiveContents = `8:0 Read 1
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8:0 Write 4
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8:0 Sync 2
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8:0 Async 3
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8:0 Total 5
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Total 5`
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serviceTimeRecursiveContents = `8:0 Read 173959
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8:0 Write 0
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8:0 Sync 0
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8:0 Async 173959
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8:0 Total 17395
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Total 17395`
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waitTimeRecursiveContents = `8:0 Read 15571
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8:0 Write 0
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8:0 Sync 0
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8:0 Async 15571
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8:0 Total 15571`
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mergedRecursiveContents = `8:0 Read 5
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8:0 Write 10
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8:0 Sync 0
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8:0 Async 0
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8:0 Total 15
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Total 15`
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timeRecursiveContents = `8:0 8`
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throttleServiceBytes = `8:0 Read 11030528
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8:0 Write 23
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8:0 Sync 42
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8:0 Async 11030528
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8:0 Total 11030528
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252:0 Read 11030528
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252:0 Write 23
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252:0 Sync 42
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252:0 Async 11030528
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252:0 Total 11030528
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Total 22061056`
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throttleServiced = `8:0 Read 164
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8:0 Write 23
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8:0 Sync 42
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8:0 Async 164
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8:0 Total 164
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252:0 Read 164
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252:0 Write 23
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252:0 Sync 42
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252:0 Async 164
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252:0 Total 164
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Total 328`
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)
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func appendBlkioStatEntry(blkioStatEntries *[]cgroups.BlkioStatEntry, major, minor, value uint64, op string) {
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*blkioStatEntries = append(*blkioStatEntries, cgroups.BlkioStatEntry{Major: major, Minor: minor, Value: value, Op: op})
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}
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func TestBlkioSetWeight(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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const (
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weightBefore = 100
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weightAfter = 200
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)
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helper.writeFileContents(map[string]string{
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"blkio.weight": strconv.Itoa(weightBefore),
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})
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helper.CgroupData.config.Resources.BlkioWeight = weightAfter
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blkio := &BlkioGroup{}
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if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
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t.Fatal(err)
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}
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value, err := getCgroupParamUint(helper.CgroupPath, "blkio.weight")
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if err != nil {
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t.Fatalf("Failed to parse blkio.weight - %s", err)
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}
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if value != weightAfter {
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t.Fatal("Got the wrong value, set blkio.weight failed.")
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}
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}
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func TestBlkioSetWeightDevice(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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const (
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weightDeviceBefore = "8:0 400"
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)
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wd := configs.NewWeightDevice(8, 0, 500, 0)
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weightDeviceAfter := wd.WeightString()
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helper.writeFileContents(map[string]string{
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"blkio.weight_device": weightDeviceBefore,
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})
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helper.CgroupData.config.Resources.BlkioWeightDevice = []*configs.WeightDevice{wd}
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blkio := &BlkioGroup{}
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if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
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t.Fatal(err)
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}
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value, err := getCgroupParamString(helper.CgroupPath, "blkio.weight_device")
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if err != nil {
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t.Fatalf("Failed to parse blkio.weight_device - %s", err)
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}
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if value != weightDeviceAfter {
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t.Fatal("Got the wrong value, set blkio.weight_device failed.")
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}
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}
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// regression #274
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func TestBlkioSetMultipleWeightDevice(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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const (
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weightDeviceBefore = "8:0 400"
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)
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wd1 := configs.NewWeightDevice(8, 0, 500, 0)
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wd2 := configs.NewWeightDevice(8, 16, 500, 0)
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// we cannot actually set and check both because normal ioutil.WriteFile
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// when writing to cgroup file will overwrite the whole file content instead
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// of updating it as the kernel is doing. Just check the second device
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// is present will suffice for the test to ensure multiple writes are done.
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weightDeviceAfter := wd2.WeightString()
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helper.writeFileContents(map[string]string{
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"blkio.weight_device": weightDeviceBefore,
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})
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helper.CgroupData.config.Resources.BlkioWeightDevice = []*configs.WeightDevice{wd1, wd2}
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blkio := &BlkioGroup{}
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if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
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t.Fatal(err)
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}
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value, err := getCgroupParamString(helper.CgroupPath, "blkio.weight_device")
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if err != nil {
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t.Fatalf("Failed to parse blkio.weight_device - %s", err)
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}
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if value != weightDeviceAfter {
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t.Fatal("Got the wrong value, set blkio.weight_device failed.")
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}
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}
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func TestBlkioStats(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatal(err)
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}
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// Verify expected stats.
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expectedStats := cgroups.BlkioStats{}
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appendBlkioStatEntry(&expectedStats.SectorsRecursive, 8, 0, 1024, "")
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appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 100, "Read")
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appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 200, "Write")
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appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 300, "Sync")
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appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 500, "Async")
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appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 500, "Total")
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appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 10, "Read")
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appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 40, "Write")
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appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 20, "Sync")
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appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 30, "Async")
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appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 50, "Total")
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appendBlkioStatEntry(&expectedStats.IoQueuedRecursive, 8, 0, 1, "Read")
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appendBlkioStatEntry(&expectedStats.IoQueuedRecursive, 8, 0, 4, "Write")
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appendBlkioStatEntry(&expectedStats.IoQueuedRecursive, 8, 0, 2, "Sync")
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appendBlkioStatEntry(&expectedStats.IoQueuedRecursive, 8, 0, 3, "Async")
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appendBlkioStatEntry(&expectedStats.IoQueuedRecursive, 8, 0, 5, "Total")
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appendBlkioStatEntry(&expectedStats.IoServiceTimeRecursive, 8, 0, 173959, "Read")
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appendBlkioStatEntry(&expectedStats.IoServiceTimeRecursive, 8, 0, 0, "Write")
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appendBlkioStatEntry(&expectedStats.IoServiceTimeRecursive, 8, 0, 0, "Sync")
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appendBlkioStatEntry(&expectedStats.IoServiceTimeRecursive, 8, 0, 173959, "Async")
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appendBlkioStatEntry(&expectedStats.IoServiceTimeRecursive, 8, 0, 17395, "Total")
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appendBlkioStatEntry(&expectedStats.IoWaitTimeRecursive, 8, 0, 15571, "Read")
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appendBlkioStatEntry(&expectedStats.IoWaitTimeRecursive, 8, 0, 0, "Write")
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appendBlkioStatEntry(&expectedStats.IoWaitTimeRecursive, 8, 0, 0, "Sync")
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appendBlkioStatEntry(&expectedStats.IoWaitTimeRecursive, 8, 0, 15571, "Async")
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appendBlkioStatEntry(&expectedStats.IoWaitTimeRecursive, 8, 0, 15571, "Total")
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appendBlkioStatEntry(&expectedStats.IoMergedRecursive, 8, 0, 5, "Read")
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appendBlkioStatEntry(&expectedStats.IoMergedRecursive, 8, 0, 10, "Write")
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appendBlkioStatEntry(&expectedStats.IoMergedRecursive, 8, 0, 0, "Sync")
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appendBlkioStatEntry(&expectedStats.IoMergedRecursive, 8, 0, 0, "Async")
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appendBlkioStatEntry(&expectedStats.IoMergedRecursive, 8, 0, 15, "Total")
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appendBlkioStatEntry(&expectedStats.IoTimeRecursive, 8, 0, 8, "")
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expectBlkioStatsEquals(t, expectedStats, actualStats.BlkioStats)
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}
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func TestBlkioStatsNoSectorsFile(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoServiceBytesFile(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoServicedFile(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoQueuedFile(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoServiceTimeFile(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoWaitTimeFile(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoMergedFile(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsNoTimeFile(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": serviceBytesRecursiveContents,
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err != nil {
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t.Fatalf("Failed unexpectedly: %s", err)
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}
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}
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func TestBlkioStatsUnexpectedNumberOfFields(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
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"blkio.io_service_bytes_recursive": "8:0 Read 100 100",
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"blkio.io_serviced_recursive": servicedRecursiveContents,
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"blkio.io_queued_recursive": queuedRecursiveContents,
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"blkio.sectors_recursive": sectorsRecursiveContents,
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"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
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"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
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"blkio.io_merged_recursive": mergedRecursiveContents,
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"blkio.time_recursive": timeRecursiveContents,
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})
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blkio := &BlkioGroup{}
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actualStats := *cgroups.NewStats()
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err := blkio.GetStats(helper.CgroupPath, &actualStats)
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if err == nil {
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t.Fatal("Expected to fail, but did not")
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}
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}
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func TestBlkioStatsUnexpectedFieldType(t *testing.T) {
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helper := NewCgroupTestUtil("blkio", t)
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defer helper.cleanup()
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helper.writeFileContents(map[string]string{
|
|
"blkio.io_service_bytes_recursive": "8:0 Read Write",
|
|
"blkio.io_serviced_recursive": servicedRecursiveContents,
|
|
"blkio.io_queued_recursive": queuedRecursiveContents,
|
|
"blkio.sectors_recursive": sectorsRecursiveContents,
|
|
"blkio.io_service_time_recursive": serviceTimeRecursiveContents,
|
|
"blkio.io_wait_time_recursive": waitTimeRecursiveContents,
|
|
"blkio.io_merged_recursive": mergedRecursiveContents,
|
|
"blkio.time_recursive": timeRecursiveContents,
|
|
})
|
|
|
|
blkio := &BlkioGroup{}
|
|
actualStats := *cgroups.NewStats()
|
|
err := blkio.GetStats(helper.CgroupPath, &actualStats)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail, but did not")
|
|
}
|
|
}
|
|
|
|
func TestNonCFQBlkioStats(t *testing.T) {
|
|
helper := NewCgroupTestUtil("blkio", t)
|
|
defer helper.cleanup()
|
|
helper.writeFileContents(map[string]string{
|
|
"blkio.io_service_bytes_recursive": "",
|
|
"blkio.io_serviced_recursive": "",
|
|
"blkio.io_queued_recursive": "",
|
|
"blkio.sectors_recursive": "",
|
|
"blkio.io_service_time_recursive": "",
|
|
"blkio.io_wait_time_recursive": "",
|
|
"blkio.io_merged_recursive": "",
|
|
"blkio.time_recursive": "",
|
|
"blkio.throttle.io_service_bytes": throttleServiceBytes,
|
|
"blkio.throttle.io_serviced": throttleServiced,
|
|
})
|
|
|
|
blkio := &BlkioGroup{}
|
|
actualStats := *cgroups.NewStats()
|
|
err := blkio.GetStats(helper.CgroupPath, &actualStats)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Verify expected stats.
|
|
expectedStats := cgroups.BlkioStats{}
|
|
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 11030528, "Read")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 23, "Write")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 42, "Sync")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 11030528, "Async")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 8, 0, 11030528, "Total")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 252, 0, 11030528, "Read")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 252, 0, 23, "Write")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 252, 0, 42, "Sync")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 252, 0, 11030528, "Async")
|
|
appendBlkioStatEntry(&expectedStats.IoServiceBytesRecursive, 252, 0, 11030528, "Total")
|
|
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 164, "Read")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 23, "Write")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 42, "Sync")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 164, "Async")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 8, 0, 164, "Total")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 252, 0, 164, "Read")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 252, 0, 23, "Write")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 252, 0, 42, "Sync")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 252, 0, 164, "Async")
|
|
appendBlkioStatEntry(&expectedStats.IoServicedRecursive, 252, 0, 164, "Total")
|
|
|
|
expectBlkioStatsEquals(t, expectedStats, actualStats.BlkioStats)
|
|
}
|
|
|
|
func TestBlkioSetThrottleReadBpsDevice(t *testing.T) {
|
|
helper := NewCgroupTestUtil("blkio", t)
|
|
defer helper.cleanup()
|
|
|
|
const (
|
|
throttleBefore = `8:0 1024`
|
|
)
|
|
|
|
td := configs.NewThrottleDevice(8, 0, 2048)
|
|
throttleAfter := td.String()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"blkio.throttle.read_bps_device": throttleBefore,
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.BlkioThrottleReadBpsDevice = []*configs.ThrottleDevice{td}
|
|
blkio := &BlkioGroup{}
|
|
if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamString(helper.CgroupPath, "blkio.throttle.read_bps_device")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse blkio.throttle.read_bps_device - %s", err)
|
|
}
|
|
|
|
if value != throttleAfter {
|
|
t.Fatal("Got the wrong value, set blkio.throttle.read_bps_device failed.")
|
|
}
|
|
}
|
|
func TestBlkioSetThrottleWriteBpsDevice(t *testing.T) {
|
|
helper := NewCgroupTestUtil("blkio", t)
|
|
defer helper.cleanup()
|
|
|
|
const (
|
|
throttleBefore = `8:0 1024`
|
|
)
|
|
|
|
td := configs.NewThrottleDevice(8, 0, 2048)
|
|
throttleAfter := td.String()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"blkio.throttle.write_bps_device": throttleBefore,
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.BlkioThrottleWriteBpsDevice = []*configs.ThrottleDevice{td}
|
|
blkio := &BlkioGroup{}
|
|
if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamString(helper.CgroupPath, "blkio.throttle.write_bps_device")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse blkio.throttle.write_bps_device - %s", err)
|
|
}
|
|
|
|
if value != throttleAfter {
|
|
t.Fatal("Got the wrong value, set blkio.throttle.write_bps_device failed.")
|
|
}
|
|
}
|
|
func TestBlkioSetThrottleReadIOpsDevice(t *testing.T) {
|
|
helper := NewCgroupTestUtil("blkio", t)
|
|
defer helper.cleanup()
|
|
|
|
const (
|
|
throttleBefore = `8:0 1024`
|
|
)
|
|
|
|
td := configs.NewThrottleDevice(8, 0, 2048)
|
|
throttleAfter := td.String()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"blkio.throttle.read_iops_device": throttleBefore,
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.BlkioThrottleReadIOPSDevice = []*configs.ThrottleDevice{td}
|
|
blkio := &BlkioGroup{}
|
|
if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamString(helper.CgroupPath, "blkio.throttle.read_iops_device")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse blkio.throttle.read_iops_device - %s", err)
|
|
}
|
|
|
|
if value != throttleAfter {
|
|
t.Fatal("Got the wrong value, set blkio.throttle.read_iops_device failed.")
|
|
}
|
|
}
|
|
func TestBlkioSetThrottleWriteIOpsDevice(t *testing.T) {
|
|
helper := NewCgroupTestUtil("blkio", t)
|
|
defer helper.cleanup()
|
|
|
|
const (
|
|
throttleBefore = `8:0 1024`
|
|
)
|
|
|
|
td := configs.NewThrottleDevice(8, 0, 2048)
|
|
throttleAfter := td.String()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"blkio.throttle.write_iops_device": throttleBefore,
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.BlkioThrottleWriteIOPSDevice = []*configs.ThrottleDevice{td}
|
|
blkio := &BlkioGroup{}
|
|
if err := blkio.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamString(helper.CgroupPath, "blkio.throttle.write_iops_device")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse blkio.throttle.write_iops_device - %s", err)
|
|
}
|
|
|
|
if value != throttleAfter {
|
|
t.Fatal("Got the wrong value, set blkio.throttle.write_iops_device failed.")
|
|
}
|
|
}
|