diff --git a/logd/LogStatistics.h b/logd/LogStatistics.h
index d44afa2..6a26263 100644
--- a/logd/LogStatistics.h
+++ b/logd/LogStatistics.h
@@ -114,6 +114,11 @@
     size_t mSizes[LOG_ID_MAX];
     size_t mElements[LOG_ID_MAX];
 
+    bool dgram_qlen_statistics;
+
+    static const unsigned short mBuckets[14];
+    log_time mMinimum[sizeof(mBuckets) / sizeof(mBuckets[0])];
+
 public:
     const log_time start;
 
@@ -121,6 +126,11 @@
 
     LidStatistics &id(log_id_t log_id) { return LogIds[log_id]; }
 
+    void enableDgramQlenStatistics() { dgram_qlen_statistics = true; }
+    static unsigned short dgram_qlen(unsigned short bucket);
+    unsigned long long minimum(unsigned short bucket);
+    void recordDiff(log_time diff, unsigned short bucket);
+
     void add(unsigned short size, log_id_t log_id, uid_t uid, pid_t pid);
     void subtract(unsigned short size, log_id_t log_id, uid_t uid, pid_t pid);