commit bec3c3def945576d59d3344c16e149e6d9154e15
author Mark Salyzyn <salyzyn@google.com> Fri Aug 28 08:02:59 2015 -0700
committer Mark Salyzyn <salyzyn@google.com> Tue Dec 29 09:32:35 2015 -0800
tree 1d44969f1a6166daa35dcdaad1312db81e46e342
parent 420b64160c498900247314be78349654583a4455

logd: Add worst pid of system filter

- Add a new statistic that reports per pid and log_id for AID_SYSTEM
- Add a new pruning filter ~1000/! boolean
- Use this new statistic to prune on worst pid within AID_SYSTEM

Bug: 26029733
Bug: 21615139
Bug: 22855208
Change-Id: Iab5dd28f807dcf03d276372853883f3b6afa8294

logd/LogBuffer.h

diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h
index c1614e8..0243749 100644
--- a/logd/LogBuffer.h
+++ b/logd/LogBuffer.h
@@ -61,6 +61,11 @@
                                LogBufferElementCollection::iterator>
                 LogBufferIteratorMap;
     LogBufferIteratorMap mLastWorstUid[LOG_ID_MAX];
+    // watermark of any worst/chatty pid of system processing
+    typedef std::unordered_map<pid_t,
+                               LogBufferElementCollection::iterator>
+                LogBufferPidIteratorMap;
+    LogBufferPidIteratorMap mLastWorstPidOfSystem[LOG_ID_MAX];
 
     unsigned long mMaxSize[LOG_ID_MAX];