tree d750d415cc5204cd5a16b005cd4f978b68f0e207
parent d4ed99635fa7e0cf73282407484f6f7b3c4210c8
author Joel Fernandes <joelaf@google.com> 1504193705 -0700
committer Primiano Tucci <primiano@google.com> 1520875723 +0000

atrace: preempt and irq disable section tracing

IRQ and preempt disabled sections can be visualized in systrace, add the
trace categories to enable these events.

Currently only root users who have permissions to write to these file
will be allowed to run this. At a future time, we can add other users
once we decide on security aspects.

Bug: 67425309

Change-Id: I389c3ab5624a775d310d90b7cb4edf47407aa614
Merged-In: I389c3ab5624a775d310d90b7cb4edf47407aa614
Signed-off-by: Joel Fernandes <joelaf@google.com>