Install some essential performance tools

perftools.yml

# Install perf tools (Fedora, RHEL)
# ansible-playbook -i 192.168.100.12, playbooks/perftools.yml
#
# 10 essential tools:
# uptime
# dmesg | tail
# vmstat 1
# mpstat -P ALL 1
# pidstat 1
# iostat -xz 1
# free -m
# sar -n DEV 1
# sar -n TCP,ETCP 1
# top
---
- name: Install tools
  hosts: all
  gather_facts: no
  tasks:
    - name: "Kernel version"
      shell: uname -r | egrep '^[0-9]*\.[0-9]*\.[0-9]*' -o
      register: kernel_version
    - name: "Install bcc, bpf, perf, sysstat"
      dnf:
        name:
          - bcc-tools
          - sysstat
          - bpftrace
          - perf
          - python3-libselinux.x86_64
          - kernel-devel-{{ kernel_version.stdout }}
          - flamegraph
          - strace
        state: latest
    - name: "Setup shell environment"
      lineinfile:
        path: /root/.bashrc
        line: "PATH=$PATH:/usr/share/bcc/tools/"