Browser Memory Monitor is a Python tool to track and limit the amount of memory used by a subprocess such as a browser under test.

usage: bmm [-h] [--force] [--format {mprof,csv}] [--interval INTERVAL] [--limit LIMIT] [--pre-interval PRE_INTERVAL] [--time-limit TIME_LIMIT] [--verbose] [--version] browser data command [...]

Memory profiler/limiter for browsers

positional arguments:
  browser               Browser process name to monitor (eg. 'firefox')
  data                  Profiling data output filename
  command [...]         Command (and args) to execute as a subprocess

options:
  -h, --help            show this help message and exit
  --force, -f           Overwrite existing data output file.
  --format {mprof,csv}, -F {mprof,csv}
                        Output format (choices: mprof, csv, default: mprof)
  --interval INTERVAL, -T INTERVAL
                        Memory profiling interval (default: 0.1)
  --limit LIMIT, -m LIMIT
                        Memory limit in MiB (0 for no limit, default: 12288)
  --pre-interval PRE_INTERVAL, -P PRE_INTERVAL
                        Process start interval (default: 0.01)
  --time-limit TIME_LIMIT, -t TIME_LIMIT
                        Maximum time to run (in seconds, 0 for no limit, default: 0)
  --verbose, -v         Enable verbose logging
  --version, -V         Show version number