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clh: Implement the Disk RateLimiter logic

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Let's take advantage of the newly added DiskRateLimiter* options and
apply those to the network device configuration.

The logic here is identical to the one already present in the Network
part of Cloud Hypervisor's driver.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-04-25 16:04:57 +02:00
parent 511f7f822d
commit 63c4da03a9
1 changed files with 18 additions and 0 deletions
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18
src/runtime/virtcontainers/clh.go
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@ -442,6 +442,11 @@ func (clh *cloudHypervisor) CreateVM(ctx context.Context, id string, network Net
disk := chclient.NewDiskConfig(imagePath)
disk.SetReadonly(true)
diskRateLimiterConfig := clh.getDiskRateLimiterConfig()
if diskRateLimiterConfig != nil {
disk.SetRateLimiterConfig(*diskRateLimiterConfig)
}
if clh.vmconfig.Disks != nil {
*clh.vmconfig.Disks = append(*clh.vmconfig.Disks, *disk)
} else {
@ -667,6 +672,11 @@ func (clh *cloudHypervisor) hotplugAddBlockDevice(drive *config.BlockDrive) erro
clhDisk.VhostUser = func(b bool) *bool { return &b }(false)
clhDisk.Id = &driveID
diskRateLimiterConfig := clh.getDiskRateLimiterConfig()
if diskRateLimiterConfig != nil {
clhDisk.SetRateLimiterConfig(*diskRateLimiterConfig)
}
pciInfo, _, err := cl.VmAddDiskPut(ctx, clhDisk)
if err != nil {
@ -1342,6 +1352,14 @@ func (clh *cloudHypervisor) getNetRateLimiterConfig() *chclient.RateLimiterConfi
clh.config.NetRateLimiterOpsOneTimeBurst)
}
func (clh *cloudHypervisor) getDiskRateLimiterConfig() *chclient.RateLimiterConfig {
return clh.getRateLimiterConfig(
int64(utils.RevertBytes(uint64(clh.config.DiskRateLimiterBwMaxRate/8))),
int64(utils.RevertBytes(uint64(clh.config.DiskRateLimiterBwOneTimeBurst/8))),
clh.config.DiskRateLimiterOpsMaxRate,
clh.config.DiskRateLimiterOpsOneTimeBurst)
}
func (clh *cloudHypervisor) addNet(e Endpoint) error {
clh.Logger().WithField("endpoint-type", e).Debugf("Adding Endpoint of type %v", e)