ffx profile memory is a tool to explore the RAM usage of a Fuchsia system.
It works by evaluating how much commited memory is used by VMOs on the system, regardless of whether these VMOs are mapped or not (unlike
Getting the raw data
Under the hood, this tool uses the component
memory_monitor to capture information on all the VMOs of the system.
You can get the raw data exported by
memory_monitor with the option
Measuring data over time
You can track the memory usage over time by combining the
--interval options, for example:
ffx profile memory --csv --interval 1