tracing/sched: Add trace events to track cpu hotplug.
authorArun Bharadwaj <abharadw@codeaurora.org>
Wed, 3 Jul 2013 17:35:02 +0000 (10:35 -0700)
committerJohn Stultz <john.stultz@linaro.org>
Tue, 16 Feb 2016 21:53:29 +0000 (13:53 -0800)
commita2b15c0b536307192d86d310b78b4542fa4cc3dc
treed056217e09562299fed200ba374af7cf9b30fc48
parent99dd30a309b22219bf98146141f27030ab8fff33
tracing/sched: Add trace events to track cpu hotplug.

Add ftrace event trace_sched_cpu_hotplug to track cpu
hot-add and hot-remove events.

This is useful in a variety of power, performance and
debug analysis scenarios.

Change-Id: I5d202c7a229ffacc3aafb7cf9afee0b0ee7b0931
Signed-off-by: Arun Bharadwaj <abharadw@codeaurora.org>
include/trace/events/sched.h
kernel/cpu.c