Callback plugin didn't work with Ansible v2.0
<p>I am using Ansible v2.0 and using this <a href="https://raw.githubusercontent.com/ansible/ansible/83f7942dcf70f981e1dd8b1193418e416f358711/lib/ansible/plugins/callback/profile_tasks.py" rel="nofollow">plugin</a>, which shows the time that each task consume and here is my directory struture:</p>

<pre><code>.
├── aws.yml
├── callback_plugins
│   ├── profile_tasks.py  
├── inventory
│   └── hosts
├── roles
│   ├── ec2instance
│   │   ├── defaults
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
│   ├── ec2key
│   │   ├── defaults
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
│   ├── ec2sg
│   │   ├── defaults
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
│   ├── elb
│   │   ├── defaults
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
│   ├── rds
│   │   ├── defaults
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
│   └── vpc
│       ├── defaults
│       │   └── main.yml
│       └── tasks
│           └── main.yml
└── secret_vars
    ├── backup.yml
    └── secret.yml
</code></pre>

<p>But when I run the playbook, it didn't show the result, can you please point me that where I am making mistake.</p>