tree f82014ad89c0cf6f392778d9abb6060a04d458e6
parent 978f3a45d9499c7a447ca7615455cefb63d44165
author Steven Rostedt <srostedt@redhat.com> 1228368401 -0500
committer Ingo Molnar <mingo@elte.hu> 1228378178 +0100

ftrace: add ability to only trace swapper tasks

Impact: new feature

This patch lets the swapper tasks of all CPUS be filtered by the
set_ftrace_pid file.

If '0' is echoed into this file, then all the idle tasks (aka swapper)
is flagged to be traced.  This affects all CPU idle tasks.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>