[root@ocp-dynamic-6653 ~]# go tool pprof --base "knative-serving.autoscaler-699dff8cff-hk27b.heap.2021-01-10_09:24:04-05:00.pb.gz" "knative-serving.autoscaler-699dff8cff-hk27b.heap.2021-01-10_10:47:41-05:00.pb.gz"                        
File: autoscaler
Type: inuse_space
Time: Jan 10, 2021 at 9:24am (EST)
Entering interactive mode (type "help" for commands, "o" for options)
(pprof) top
Showing nodes accounting for 47.90MB, 85.65% of 55.93MB total
Dropped 5 nodes (cum <= 0.28MB)
Showing top 10 nodes out of 130
      flat  flat%   sum%        cum   cum%
   26.89MB 48.08% 48.08%    26.89MB 48.08%  go.opencensus.io/stats/view.NewMeter
       6MB 10.73% 58.81%        6MB 10.73%  go.opencensus.io/stats/view.(*collector).addSample
    3.50MB  6.26% 65.07%        9MB 16.10%  go.opencensus.io/stats/view.(*worker).tryRegisterView
       3MB  5.36% 70.44%        3MB  5.36%  go.opencensus.io/stats/view.viewToMetricDescriptor
    2.50MB  4.47% 74.91%     2.50MB  4.47%  knative.dev/pkg/metrics.copyViews
    1.51MB  2.69% 77.60%     1.51MB  2.69%  k8s.io/apimachinery/pkg/apis/meta/v1.(*FieldsV1).UnmarshalJSON
    1.50MB  2.68% 80.28%     1.50MB  2.68%  go.opencensus.io/stats/view.(*worker).getMeasureRef (inline)
       1MB  1.79% 82.07%        1MB  1.79%  go.opencensus.io/stats/view.(*worker).RegisterExporter
       1MB  1.79% 83.86%        2MB  3.58%  go.opencensus.io/stats/view.(*collector).collectedRows
       1MB  1.79% 85.65%        4MB  7.15%  go.opencensus.io/stats/view.newViewInternal (inline)