tree e6fb9905bf37e940c2c814838621e2c0aef554f0
parent ad5473a1bad80aa5b6287f97f967e75d787512b0
author Lalit Maganti <lalitm@google.com> 1577111533 +0000
committer Lalit Maganti <lalitm@google.com> 1578325836 +0000

trace_processor: add parsing and ingestion of mm_id of rss_stat

This CL adds support for parsing (in traced_probes) and ingesting mm_id
field of rss_stat which lets us track cross-process rss changes (that is
changes of an mm struct of process A by another process B).

In the past, these sort of changes were inaccurately tracked. With mm_id
and is_curr, we can accurately attribute it to the correct process and
drop events when we don't know the process whose struct is being
changed.

We also add tests to check both the old and new behaviour.

Bug: 144825618
Change-Id: If9ce3a2215e364335130c40feb923009f6a660eb