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Merge pull request #14466 from Mashimiao/add-support-blkio_throtte_bps

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Add support for blkio read/write bps device
This commit is contained in:
Sebastiaan van Stijn 2015-12-04 12:29:58 +01:00
commit 92079d14e1
3 changed files with 30 additions and 2 deletions
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10
blkiodev/blkiodev.go
View file

@ -13,3 +13,13 @@ type WeightDevice struct {
func (w *WeightDevice) String() string {
return fmt.Sprintf("%s:%d", w.Path, w.Weight)
}
// ThrottleDevice is a structure that hold device:rate_per_second pair
type ThrottleDevice struct {
Path string
Rate uint64
}
func (t *ThrottleDevice) String() string {
return fmt.Sprintf("%s:%d", t.Path, t.Rate)
}

6
sysinfo/sysinfo.go
View file

@ -63,6 +63,12 @@ type cgroupBlkioInfo struct {
// Whether Block IO weight_device is supported or not
BlkioWeightDevice bool
// Whether Block IO read limit in bytes per second is supported or not
BlkioReadBpsDevice bool
// Whether Block IO write limit in bytes per second is supported or not
BlkioWriteBpsDevice bool
}
type cgroupCpusetInfo struct {

12
sysinfo/sysinfo_linux.go
View file

@ -126,9 +126,21 @@ func checkCgroupBlkioInfo(quiet bool) cgroupBlkioInfo {
if !quiet && !weightDevice {
logrus.Warn("Your kernel does not support cgroup blkio weight_device")
}
readBpsDevice := cgroupEnabled(mountPoint, "blkio.throttle.read_bps_device")
if !quiet && !readBpsDevice {
logrus.Warn("Your kernel does not support cgroup blkio throttle.read_bps_device")
}
writeBpsDevice := cgroupEnabled(mountPoint, "blkio.throttle.write_bps_device")
if !quiet && !writeBpsDevice {
logrus.Warn("Your kernel does not support cgroup blkio throttle.write_bps_device")
}
return cgroupBlkioInfo{
BlkioWeight: weight,
BlkioWeightDevice: weightDevice,
BlkioReadBpsDevice: readBpsDevice,
BlkioWriteBpsDevice: writeBpsDevice,
}
}