Log usage

Author: Furisto

components/ws-daemon/pkg/cpulimit/cfs_v2.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gitpod-io/gitpod/common-go/log"
 	"golang.org/x/xerrors"
 )
 
@@ -28,12 +29,14 @@ func (basePath CgroupV2CFSController) Usage() (CPUTime, error) {
 }
 
 func (basePath CgroupV2CFSController) SetLimit(limit Bandwidth) (changed bool, err error) {
+	log.Infof("Setting limit to %s, limit is %v", basePath, limit)
 	quota, period, err := basePath.readCpuMax()
 	if err != nil {
 		return false, xerrors.Errorf("failed to read cpu max from %s: %w", basePath, err)
 	}
 
 	target := limit.Quota(period)
+	log.Infof("The target is %v, quota is %v", target.Microseconds(), quota.Microseconds())
 	if quota == target {
 		return false, nil
 	}

components/ws-daemon/pkg/cpulimit/dispatch.go

@@ -227,8 +227,10 @@ func newCFSController(basePath, cgroupPath string) (CFSController, error) {
 
 	switch {
 	case err == nil:
+		log.Info("Using cgroup v2 cfs controller for cpu limiting")
 		return CgroupV2CFSController(filepath.Join(basePath, cgroupPath)), nil
 	case err == os.ErrNotExist:
+		log.Info("Using cgroup v1 cfs controller for cpu limiting")
 		return CgroupV1CFSController(filepath.Join(basePath, "cpu", cgroupPath)), nil
 	default:
 		return nil, err