systrace: add a couple new tracing options

This change adds support for setting the tracing buffer size and
enabling CPU frequency and load tracing.

Change-Id: Ib002b65f0ceae5b3e91cc90b9a9ec34f1c40864c
3 files changed
tree: b06f103b5a7eca6a75c27954e9ecd0505fa094d1
  1. www/
  2. README
  3. systrace.py