memwatch

A simple Linux console utility that runs a given command and monitors its memory usage (RSS and VSZ) including all child processes.

Build

cargo build --release

Usage

memwatch [OPTIONS] -- <command> [args...]

Options

Option	Description	Default
-i, --interval	Update interval in milliseconds	1000

Output

Line shows elapsed time, RSS, and VSZ:

[00:12] RSS: 183.52 MB | VSZ: 224.00 MB

Examples

./target/release/memwatch -- python3 - <<'PY'
import time
a = []
for i in range(20):
    a.append(bytearray(10_000_000))  # +10 MB
    time.sleep(1)
PY

License

MIT