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| author | Mark Salyzyn <salyzyn@google.com> | 2015-08-19 17:06:11 -0700 |
|---|---|---|
| committer | Mark Salyzyn <salyzyn@google.com> | 2015-08-20 11:33:57 -0700 |
| commit | 0c5ab13a72f4ab76fe37b111550d8a64e70b5e7c (patch) | |
| tree | e9b4e2c51b6fbb1011c0408347fd2933605313cb /logd/LogBuffer.h | |
| parent | c2f7eee26b07498c0adf357fa8970716d8fac31f (diff) | |
| download | system_core-0c5ab13a72f4ab76fe37b111550d8a64e70b5e7c.tar.gz system_core-0c5ab13a72f4ab76fe37b111550d8a64e70b5e7c.tar.bz2 system_core-0c5ab13a72f4ab76fe37b111550d8a64e70b5e7c.zip | |
logd: worst uid record watermark
(cherry pick from commit c892ea3fa80dfd3d35c5a3b8bfdc73e7b85eaede)
Hold on to last worst uid watermark and bypass a spike to O(n*n*x)
(n=samples, x=number of spammers) wrt chatty trimming.
Bug: 23327476
Change-Id: I9f21ce95e969b67e576417a760f75c4d86acf364
Diffstat (limited to 'logd/LogBuffer.h')
| -rw-r--r-- | logd/LogBuffer.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h index 76571c67d..e94598c82 100644 --- a/logd/LogBuffer.h +++ b/logd/LogBuffer.h @@ -40,6 +40,11 @@ class LogBuffer { LogStatistics stats; PruneList mPrune; + // watermark of any worst/chatty uid processing + typedef std::unordered_map<uid_t, + LogBufferElementCollection::iterator> + LogBufferIteratorMap; + LogBufferIteratorMap mLastWorstUid[LOG_ID_MAX]; unsigned long mMaxSize[LOG_ID_MAX]; |