tree b3242337a3dd4f8d94d149cbb95a27730115e9d0
parent 79bf811d23f51207d6ba22539036008af0c2824a
author Ryan Savitski <rsavitski@google.com> 1583948400 +0000
committer Ryan Savitski <rsavitski@google.com> 1583948400 +0000

traced_perf: make read period configurable

Additionally:
* shuffle validation / defaulting of config values into EventConfig.
* make the per-tick sample guardrail calculation based on the expected
  ratio of sampling and reading frequencies.

Bug: 144281346
Change-Id: I785495e7b3249aa74f3d2160e3c400c98f59447c