diff --git a/logd/LogBufferElement.cpp b/logd/LogBufferElement.cpp
index dd779f97b..26affa8d4 100644
--- a/logd/LogBufferElement.cpp
+++ b/logd/LogBufferElement.cpp
@@ -99,6 +99,10 @@ uint32_t LogBufferElement::GetTag() const {
 }
 
 LogStatisticsElement LogBufferElement::ToLogStatisticsElement() const {
+    // Estimate the size of this element in the parent std::list<> by adding two void*'s
+    // corresponding to the next/prev pointers and aligning to 64 bit.
+    uint16_t element_in_list_size =
+            (sizeof(*this) + 2 * sizeof(void*) + sizeof(uint64_t) - 1) & -sizeof(uint64_t);
     return LogStatisticsElement{
             .uid = uid(),
             .pid = pid(),
@@ -109,6 +113,7 @@ LogStatisticsElement LogBufferElement::ToLogStatisticsElement() const {
             .msg_len = msg_len(),
             .dropped_count = dropped_count(),
             .log_id = log_id(),
+            .total_len = static_cast<uint16_t>(element_in_list_size + msg_len()),
     };
 }
 
diff --git a/logd/LogBufferTest.h b/logd/LogBufferTest.h
index 5d57ad1cf..1fd22c236 100644
--- a/logd/LogBufferTest.h
+++ b/logd/LogBufferTest.h
@@ -87,6 +87,6 @@ class LogBufferTest : public testing::TestWithParam<std::string> {
     LogReaderList reader_list_;
     LogTags tags_;
     PruneList prune_;
-    LogStatistics stats_{false};
+    LogStatistics stats_{false, true};
     std::unique_ptr<LogBuffer> log_buffer_;
 };
diff --git a/logd/LogStatistics.cpp b/logd/LogStatistics.cpp
index 3cd8fde5b..1705d4808 100644
--- a/logd/LogStatistics.cpp
+++ b/logd/LogStatistics.cpp
@@ -27,6 +27,7 @@
 
 #include <list>
 
+#include <android-base/logging.h>
 #include <private/android_logger.h>
 
 #include "LogBufferElement.h"
@@ -60,7 +61,8 @@ static std::string TagNameKey(const LogStatisticsElement& element) {
     return std::string(msg, len);
 }
 
-LogStatistics::LogStatistics(bool enable_statistics) : enable(enable_statistics) {
+LogStatistics::LogStatistics(bool enable_statistics, bool track_total_size)
+    : enable(enable_statistics), track_total_size_(track_total_size) {
     log_time now(CLOCK_REALTIME);
     log_id_for_each(id) {
         mSizes[id] = 0;
@@ -113,10 +115,15 @@ void LogStatistics::AddTotal(log_id_t log_id, uint16_t size) {
     ++mElementsTotal[log_id];
 }
 
-void LogStatistics::Add(const LogStatisticsElement& element) {
+void LogStatistics::Add(LogStatisticsElement element) {
     auto lock = std::lock_guard{lock_};
+
+    if (!track_total_size_) {
+        element.total_len = element.msg_len;
+    }
+
     log_id_t log_id = element.log_id;
-    uint16_t size = element.msg_len;
+    uint16_t size = element.total_len;
     mSizes[log_id] += size;
     ++mElements[log_id];
 
@@ -184,10 +191,15 @@ void LogStatistics::Add(const LogStatisticsElement& element) {
     }
 }
 
-void LogStatistics::Subtract(const LogStatisticsElement& element) {
+void LogStatistics::Subtract(LogStatisticsElement element) {
     auto lock = std::lock_guard{lock_};
+
+    if (!track_total_size_) {
+        element.total_len = element.msg_len;
+    }
+
     log_id_t log_id = element.log_id;
-    uint16_t size = element.msg_len;
+    uint16_t size = element.total_len;
     mSizes[log_id] -= size;
     --mElements[log_id];
     if (element.dropped_count) {
@@ -230,7 +242,9 @@ void LogStatistics::Subtract(const LogStatisticsElement& element) {
 
 // Atomically set an entry to drop
 // entry->setDropped(1) must follow this call, caller should do this explicitly.
-void LogStatistics::Drop(const LogStatisticsElement& element) {
+void LogStatistics::Drop(LogStatisticsElement element) {
+    CHECK_EQ(element.dropped_count, 0U);
+
     auto lock = std::lock_guard{lock_};
     log_id_t log_id = element.log_id;
     uint16_t size = element.msg_len;
@@ -265,6 +279,43 @@ void LogStatistics::Drop(const LogStatisticsElement& element) {
     tagNameTable.Subtract(TagNameKey(element), element);
 }
 
+void LogStatistics::Erase(LogStatisticsElement element) {
+    CHECK_GT(element.dropped_count, 0U);
+    CHECK_EQ(element.msg_len, 0U);
+
+    auto lock = std::lock_guard{lock_};
+
+    if (!track_total_size_) {
+        element.total_len = 0;
+    }
+
+    log_id_t log_id = element.log_id;
+    --mElements[log_id];
+    --mDroppedElements[log_id];
+    mSizes[log_id] -= element.total_len;
+
+    uidTable[log_id].Erase(element.uid, element);
+    if (element.uid == AID_SYSTEM) {
+        pidSystemTable[log_id].Erase(element.pid, element);
+    }
+
+    if (!enable) {
+        return;
+    }
+
+    pidTable.Erase(element.pid, element);
+    tidTable.Erase(element.tid, element);
+
+    uint32_t tag = element.tag;
+    if (tag) {
+        if (log_id == LOG_ID_SECURITY) {
+            securityTagTable.Erase(tag, element);
+        } else {
+            tagTable.Erase(tag, element);
+        }
+    }
+}
+
 const char* LogStatistics::UidToName(uid_t uid) const {
     auto lock = std::lock_guard{lock_};
     return UidToNameLocked(uid);
@@ -876,12 +927,20 @@ std::string LogStatistics::Format(uid_t uid, pid_t pid, unsigned int logMask) co
         if (els) {
             oldLength = output.length();
             if (spaces < 0) spaces = 0;
-            // estimate the std::list overhead.
-            static const size_t overhead =
-                ((sizeof(LogBufferElement) + sizeof(uint64_t) - 1) &
-                 -sizeof(uint64_t)) +
-                sizeof(std::list<LogBufferElement*>);
-            size_t szs = mSizes[id] + els * overhead;
+            size_t szs = 0;
+            if (overhead_[id]) {
+                szs = *overhead_[id];
+            } else if (track_total_size_) {
+                szs = mSizes[id];
+            } else {
+                // Legacy fallback for Chatty without track_total_size_
+                // Estimate the size of this element in the parent std::list<> by adding two void*'s
+                // corresponding to the next/prev pointers and aligning to 64 bit.
+                static const size_t overhead =
+                        (sizeof(LogBufferElement) + 2 * sizeof(void*) + sizeof(uint64_t) - 1) &
+                        -sizeof(uint64_t);
+                szs = mSizes[id] + els * overhead;
+            }
             totalSize += szs;
             output += android::base::StringPrintf("%*s%zu", spaces, "", szs);
             spaces -= output.length() - oldLength;
diff --git a/logd/LogStatistics.h b/logd/LogStatistics.h
index 5f558026c..d440a8c61 100644
--- a/logd/LogStatistics.h
+++ b/logd/LogStatistics.h
@@ -57,6 +57,7 @@ struct LogStatisticsElement {
     uint16_t msg_len;
     uint16_t dropped_count;
     log_id_t log_id;
+    uint16_t total_len;
 };
 
 template <typename TKey, typename TEntry>
@@ -172,6 +173,13 @@ class LogHashtable {
         }
     }
 
+    void Erase(const TKey& key, const LogStatisticsElement& element) {
+        iterator it = map.find(key);
+        if (it != map.end()) {
+            it->second.Erase(element);
+        }
+    }
+
     iterator begin() { return map.begin(); }
     const_iterator begin() const { return map.begin(); }
     iterator end() { return map.end(); }
@@ -181,15 +189,17 @@ class LogHashtable {
 class EntryBase {
   public:
     EntryBase() : size_(0) {}
-    explicit EntryBase(const LogStatisticsElement& element) : size_(element.msg_len) {}
+    explicit EntryBase(const LogStatisticsElement& element) : size_(element.total_len) {}
 
     size_t getSizes() const { return size_; }
 
-    void Add(const LogStatisticsElement& element) { size_ += element.msg_len; }
+    void Add(const LogStatisticsElement& element) { size_ += element.total_len; }
     bool Subtract(const LogStatisticsElement& element) {
-        size_ -= element.msg_len;
-        return !size_;
+        size_ -= element.total_len;
+        return size_ == 0;
     }
+    void Drop(const LogStatisticsElement& element) { size_ -= element.msg_len; }
+    void Erase(const LogStatisticsElement& element) { size_ -= element.total_len; }
 
     static constexpr size_t PRUNED_LEN = 14;
     static constexpr size_t TOTAL_LEN = 80;
@@ -229,11 +239,11 @@ class EntryBaseDropped : public EntryBase {
     }
     bool Subtract(const LogStatisticsElement& element) {
         dropped_ -= element.dropped_count;
-        return EntryBase::Subtract(element) && !dropped_;
+        return EntryBase::Subtract(element) && dropped_ == 0;
     }
     void Drop(const LogStatisticsElement& element) {
         dropped_ += 1;
-        EntryBase::Subtract(element);
+        EntryBase::Drop(element);
     }
 
   private:
@@ -505,20 +515,23 @@ class LogStatistics {
     }
 
   public:
-    explicit LogStatistics(bool enable_statistics);
+    LogStatistics(bool enable_statistics, bool track_total_size);
 
     void AddTotal(log_id_t log_id, uint16_t size) EXCLUDES(lock_);
-    void Add(const LogStatisticsElement& entry) EXCLUDES(lock_);
-    void Subtract(const LogStatisticsElement& entry) EXCLUDES(lock_);
-    // entry->setDropped(1) must follow this call
-    void Drop(const LogStatisticsElement& entry) EXCLUDES(lock_);
-    // Correct for coalescing two entries referencing dropped content
-    void Erase(const LogStatisticsElement& element) EXCLUDES(lock_) {
-        auto lock = std::lock_guard{lock_};
-        log_id_t log_id = element.log_id;
-        --mElements[log_id];
-        --mDroppedElements[log_id];
-    }
+
+    // Add is for adding an element to the log buffer.  It may be a chatty element in the case of
+    // log deduplication.  Add the total size of the element to statistics.
+    void Add(LogStatisticsElement entry) EXCLUDES(lock_);
+    // Subtract is for removing an element from the log buffer.  It may be a chatty element.
+    // Subtract the total size of the element from statistics.
+    void Subtract(LogStatisticsElement entry) EXCLUDES(lock_);
+    // Drop is for converting a normal element into a chatty element. entry->setDropped(1) must
+    // follow this call.  Subtract only msg_len from statistics, since a chatty element will remain.
+    void Drop(LogStatisticsElement entry) EXCLUDES(lock_);
+    // Erase is for coalescing two chatty elements into one.  Erase() is called on the element that
+    // is removed from the log buffer.  Subtract the total size of the element, which is by
+    // definition only the size of the LogBufferElement + list overhead for chatty elements.
+    void Erase(LogStatisticsElement element) EXCLUDES(lock_);
 
     void WorstTwoUids(log_id id, size_t threshold, int* worst, size_t* worst_sizes,
                       size_t* second_worst_sizes) const EXCLUDES(lock_);
@@ -533,6 +546,9 @@ class LogStatistics {
     // Snapshot of the sizes for a given log buffer.
     size_t Sizes(log_id_t id) const EXCLUDES(lock_) {
         auto lock = std::lock_guard{lock_};
+        if (overhead_[id]) {
+            return *overhead_[id];
+        }
         return mSizes[id];
     }
     // TODO: Get rid of this entirely.
@@ -546,6 +562,11 @@ class LogStatistics {
     uid_t PidToUid(pid_t pid) EXCLUDES(lock_);
     const char* UidToName(uid_t uid) const EXCLUDES(lock_);
 
+    void set_overhead(log_id_t id, size_t size) {
+        auto lock = std::lock_guard{lock_};
+        overhead_[id] = size;
+    }
+
   private:
     template <typename TKey, typename TEntry>
     void WorstTwoWithThreshold(const LogHashtable<TKey, TEntry>& table, size_t threshold,
@@ -559,4 +580,7 @@ class LogStatistics {
     const char* UidToNameLocked(uid_t uid) const REQUIRES(lock_);
 
     mutable std::mutex lock_;
+    bool track_total_size_;
+
+    std::optional<size_t> overhead_[LOG_ID_MAX] GUARDED_BY(lock_);
 };
diff --git a/logd/SerializedLogBuffer.cpp b/logd/SerializedLogBuffer.cpp
index 0f307945a..aec24c3f4 100644
--- a/logd/SerializedLogBuffer.cpp
+++ b/logd/SerializedLogBuffer.cpp
@@ -109,19 +109,16 @@ int SerializedLogBuffer::Log(log_id_t log_id, log_time realtime, uid_t uid, pid_
 }
 
 void SerializedLogBuffer::MaybePrune(log_id_t log_id) {
-    auto get_total_size = [](const auto& buffer) {
-        size_t total_size = 0;
-        for (const auto& chunk : buffer) {
-            total_size += chunk.PruneSize();
-        }
-        return total_size;
-    };
-    size_t total_size = get_total_size(logs_[log_id]);
+    size_t total_size = GetSizeUsed(log_id);
+    size_t after_size = total_size;
     if (total_size > max_size_[log_id]) {
         Prune(log_id, total_size - max_size_[log_id], 0);
+        after_size = GetSizeUsed(log_id);
         LOG(INFO) << "Pruned Logs from log_id: " << log_id << ", previous size: " << total_size
-                  << " after size: " << get_total_size(logs_[log_id]);
+                  << " after size: " << after_size;
     }
+
+    stats_->set_overhead(log_id, after_size);
 }
 
 void SerializedLogBuffer::StartDeleterThread() {
@@ -349,19 +346,22 @@ bool SerializedLogBuffer::Clear(log_id_t id, uid_t uid) {
     return Prune(id, ULONG_MAX, uid);
 }
 
+unsigned long SerializedLogBuffer::GetSizeUsed(log_id_t id) {
+    size_t total_size = 0;
+    for (const auto& chunk : logs_[id]) {
+        total_size += chunk.PruneSize();
+    }
+    return total_size;
+}
+
 unsigned long SerializedLogBuffer::GetSize(log_id_t id) {
     auto lock = std::lock_guard{lock_};
-    size_t retval = 2 * max_size_[id] / 3;  // See the comment in SetSize().
-    return retval;
+    return max_size_[id];
 }
 
 // New SerializedLogChunk objects will be allocated according to the new size, but older one are
 // unchanged.  MaybePrune() is called on the log buffer to reduce it to an appropriate size if the
 // new size is lower.
-// ChattyLogBuffer/SimpleLogBuffer don't consider the 'Overhead' of LogBufferElement or the
-// std::list<> overhead as part of the log size.  SerializedLogBuffer does by its very nature, so
-// the 'size' metric is not compatible between them.  Their actual memory usage is between 1.5x and
-// 2x of what they claim to use, so we conservatively set our internal size as size + size / 2.
 int SerializedLogBuffer::SetSize(log_id_t id, unsigned long size) {
     // Reasonable limits ...
     if (!__android_logger_valid_buffer_size(size)) {
@@ -369,7 +369,7 @@ int SerializedLogBuffer::SetSize(log_id_t id, unsigned long size) {
     }
 
     auto lock = std::lock_guard{lock_};
-    max_size_[id] = size + size / 2;
+    max_size_[id] = size;
 
     MaybePrune(id);
 
diff --git a/logd/SerializedLogBuffer.h b/logd/SerializedLogBuffer.h
index 421d41997..2b2559f9c 100644
--- a/logd/SerializedLogBuffer.h
+++ b/logd/SerializedLogBuffer.h
@@ -61,6 +61,7 @@ class SerializedLogBuffer final : public LogBuffer {
             REQUIRES_SHARED(lock_);
     void NotifyReadersOfPrune(log_id_t log_id, const std::list<SerializedLogChunk>::iterator& chunk)
             REQUIRES(reader_list_->reader_threads_lock());
+    unsigned long GetSizeUsed(log_id_t id) REQUIRES(lock_);
 
     void StartDeleterThread() REQUIRES(lock_);
     void DeleterThread();
diff --git a/logd/SerializedLogChunk.h b/logd/SerializedLogChunk.h
index 65a1e86c4..50bae638c 100644
--- a/logd/SerializedLogChunk.h
+++ b/logd/SerializedLogChunk.h
@@ -44,7 +44,9 @@ class SerializedLogChunk {
     // If this buffer has been compressed, we only consider its compressed size when accounting for
     // memory consumption for pruning.  This is since the uncompressed log is only by used by
     // readers, and thus not a representation of how much these logs cost to keep in memory.
-    size_t PruneSize() const { return compressed_log_.size() ?: contents_.size(); }
+    size_t PruneSize() const {
+        return sizeof(*this) + (compressed_log_.size() ?: contents_.size());
+    }
 
     void FinishWriting() {
         writer_active_ = false;
diff --git a/logd/SerializedLogEntry.h b/logd/SerializedLogEntry.h
index f599abeaa..2f2c244ea 100644
--- a/logd/SerializedLogEntry.h
+++ b/logd/SerializedLogEntry.h
@@ -59,6 +59,7 @@ class __attribute__((packed)) SerializedLogEntry {
                 .msg_len = msg_len(),
                 .dropped_count = 0,
                 .log_id = log_id,
+                .total_len = total_len(),
         };
     }
 
diff --git a/logd/fuzz/log_buffer_log_fuzzer.cpp b/logd/fuzz/log_buffer_log_fuzzer.cpp
index 1dc996c12..8309f9514 100644
--- a/logd/fuzz/log_buffer_log_fuzzer.cpp
+++ b/logd/fuzz/log_buffer_log_fuzzer.cpp
@@ -114,7 +114,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     LogReaderList reader_list;
     LogTags tags;
     PruneList prune_list;
-    LogStatistics stats(true);
+    LogStatistics stats(true, true);
     std::unique_ptr<LogBuffer> log_buffer;
 #ifdef FUZZ_SERIALIZED
     log_buffer.reset(new SerializedLogBuffer(&reader_list, &tags, &stats));
diff --git a/logd/main.cpp b/logd/main.cpp
index e1ec52bc2..350642b8a 100644
--- a/logd/main.cpp
+++ b/logd/main.cpp
@@ -259,7 +259,7 @@ int main(int argc, char* argv[]) {
     bool enable_full_log_statistics = __android_logger_property_get_bool(
             "logd.statistics", BOOL_DEFAULT_TRUE | BOOL_DEFAULT_FLAG_PERSIST |
                                        BOOL_DEFAULT_FLAG_ENG | BOOL_DEFAULT_FLAG_SVELTE);
-    LogStatistics log_statistics(enable_full_log_statistics);
+    LogStatistics log_statistics(enable_full_log_statistics, false);
 
     // Serves the purpose of managing the last logs times read on a
     // socket connection, and as a reader lock on a range of log