pub fn custom_cgroup_add_during_imbalance(ctx: &Ctx<'_>) -> Result<AssertResult>Expand description
Add a third cgroup under load alongside heavy and bursty cgroups.
The heavy cg_0 and bursty cg_1 run for the full scenario on
the Backdrop. The mid-run cg_2 appears in the second Step and
tears down at the step boundary.