my-pod.yaml

apiVersion: v1
kind: Pod
metadata:
  name: my-pod
  labels:
    app: my-pod
spec:
  shareProcessNamespace: true
  volumes:
  - name: tmp
    emptyDir: {}
  - name: profiler
    emptyDir: {}
  containers:
  - name: my-app
    image: app
    ports:
    - containerPort: 8080
    imagePullPolicy: Never
    volumeMounts:
    - name: tmp
      mountPath: /tmp
    - name: profiler
      mountPath: /root/async-profiler
  - name: my-ubuntu
    image: ubuntu
    command: ["/bin/bash"]
    volumeMounts:
    - name: tmp
      mountPath: /tmp
    - name: profiler
      mountPath: /root/async-profiler
    securityContext:
      capabilities:
        add:
        - SYS_PTRACE
    stdin: true
    tty: true

# minikube start
# eval $(minikube docker-env)
# docker build -t app -f Dockerfile .
# kubectl create -f my-pod.yaml
# kubectl get pods
# kubectl expose pod my-pod --type=NodePort --port=8080
# minikube service my-pod --url
# kubectl exec -it my-pod --container my-ubuntu -- /bin/bash

# apt update
# apt-get install build-essential git default-jdk
# git clone https://github.com/jvm-profiling-tools/async-profiler.git
# make -C async-profiler
# async-profiler/profiler.sh --version
# ps -ef 
# async-profiler/profiler.sh -d 20 -f /tmp/title.svg --title title -e itimer 12

# kubectl cp -c my-ubuntu my-pod:/tmp/title.svg /tmp/title.svg
# kubectl delete pod my-pod
# minikube stop