Gadget ebpftop

ebpftop shows cpu time used by ebpf programs.

The following parameters are supported:

• interval: Output interval, in seconds. (default 1)
• max_rows: Maximum rows to print. (default 20)
• sort_by: The field to sort the results by (runtime.runtimeName,runtime.containerId,runtime.containerName,runtime.containerImageName,runtime.containerImageDigest,k8s.node,k8s.namespace,k8s.pod,k8s.labels,k8s.container,k8s.hostnetwork,progid,type,name,runtime,runcount,cumulruntime,cumulruncount,totalruntime,totalRunCount,mapmemory,mapcount,totalcpu,percpu). (default -runtime,-runcount)

Example CR

apiVersion: gadget.kinvolk.io/v1alpha1
kind: Trace
metadata:
  name: ebpftop
  namespace: gadget
spec:
  node: ubuntu-hirsute
  gadget: ebpftop
  runMode: Manual
  outputMode: Stream
  parameters:
    interval: "1"
    max_rows: "50"
    sort_by: all # all, runtime, runcount, progid, totalruntime, totalruncount, cumulruntime, cumulrouncount, mapmemory and mapcount are allowed

Operations

start

Start ebpftop gadget

$ kubectl annotate -n gadget trace/ebpftop \
    gadget.kinvolk.io/operation=start

stop

Stop ebpftop gadget

$ kubectl annotate -n gadget trace/ebpftop \
    gadget.kinvolk.io/operation=stop

Output Modes

• Stream