tree a85349ec789789207e674e5d96b52a5ef0179239
parent 4bf0be2f1f065bdbeb5e55f86280147fc18b8ae7
author Joel Fernandes <joelaf@google.com> 1497999326 -0700
committer Joel Fernandes <joelaf@google.com> 1498067310 -0700

cgroups: Add support to dump fake attach events

With this its possible for users to dump the initial cgroup state into
the traces with something like the following:

cgroup = te.target.cgroups.controllers['cpuset'].cgroup('/foreground')
cgroup.trace_cgroup_tasks()

Change-Id: I1f3741ff4fdc052651a48b44a0489f17c217961c
Signed-off-by: Joel Fernandes <joelaf@google.com>