wtf

Why is my computer slow right now?

One command that tells you exactly what's eating your CPU, memory, disk, and network — in plain English. Not top. Not 10 tools. One answer.

$ wtf

 CPU  ████████░░  82%
   Chrome                          42.3%
   node                             8.1%
   Slack                            3.4%

 MEM  ███████░░░  71%  11.4 GB / 16.0 GB
   Chrome                        4.2 GB
   node                          1.1 GB
   Slack                         800 MB

 DSK
   /dev/sda1             ██████░░░░  58%  230 GB / 400 GB

 NET
   eth0          ↓      1.2 MB/s  ↑    200 KB/s

────────────────────────────────────────────────────────
 High CPU: Chrome is using 42% CPU

Install

npm install -g @mightbeandrew/wtfcli

Usage

wtf                       # full diagnosis
wtf --cpu --mem           # CPU and memory only
wtf -v                    # verbose: top 10 processes, extra stats
wtf -j | jq '.cpu'        # JSON output piped to jq
wtf -w 5                  # live refresh every 5 seconds
wtf --no-color > out.txt  # plain text to file

Flags

| Flag | Description | |------|-------------| | -v, --verbose | More processes, extra detail | | -j, --json | JSON output (pipe-friendly, no color) | | --no-color | Strip ANSI colors | | --cpu | CPU section only | | --mem | Memory section only | | --disk | Disk section only | | --net | Network section only | | -t, --top <n> | Top N processes per section (default: 5) | | -w, --watch [secs] | Live refresh, default every 2s | | --version | Print version | | -h, --help | Show help |

License

MIT