tree 338c0ce09ee24a8479b282112b97297c6fdecadf
parent 5002a48ceeb4cce3ec2c240ac89df8c4ec502c70
author Mark Salyzyn <salyzyn@google.com> 1492637961 -0700
committer Mark Salyzyn <salyzyn@google.com> 1493075043 -0700

logd: add Chattiest LOG_TAG statistics

Report global LOG_TAG usage.

Switch NULL to nullptr and use const more accurately.

Test: gTest liblog-unit-tests, logd-unit-tests & logcat-unit-tests
Test: manual: inspect logcat -S results around 'Chattiest TAGs'
Test: logcat -b all -c ; logcat -b all -S ; then confirm clear
Bug: 37254265
Change-Id: I3696c0d8da3ba24f99f670aafba1e45f8cb3ab14