diff --git a/fs_mgr/libsnapshot/android/snapshot/snapshot.proto b/fs_mgr/libsnapshot/android/snapshot/snapshot.proto
index e902fa4dd..1ebc29f95 100644
--- a/fs_mgr/libsnapshot/android/snapshot/snapshot.proto
+++ b/fs_mgr/libsnapshot/android/snapshot/snapshot.proto
@@ -162,7 +162,7 @@ message SnapshotUpdateStatus {
     MergePhase merge_phase = 6;
 }
 
-// Next: 7
+// Next: 9
 message SnapshotMergeReport {
     // Status of the update after the merge attempts.
     UpdateState state = 1;
@@ -182,4 +182,10 @@ message SnapshotMergeReport {
 
     // Sum of the estimated COW fields in the OTA manifest.
     uint64 estimated_cow_size_bytes = 6;
+
+    // Time from boot to sys.boot_completed, in milliseconds.
+    uint32 boot_complete_time_ms = 7;
+
+    // Time from sys.boot_completed to merge start, in milliseconds.
+    uint32 boot_complete_to_merge_start_time_ms = 8;
 }
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_stats.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_stats.h
index 3eeae64fe..e617d7a18 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_stats.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_stats.h
@@ -32,9 +32,13 @@ class ISnapshotMergeStats {
     virtual void set_cow_file_size(uint64_t cow_file_size) = 0;
     virtual void set_total_cow_size_bytes(uint64_t bytes) = 0;
     virtual void set_estimated_cow_size_bytes(uint64_t bytes) = 0;
+    virtual void set_boot_complete_time_ms(uint32_t ms) = 0;
+    virtual void set_boot_complete_to_merge_start_time_ms(uint32_t ms) = 0;
     virtual uint64_t cow_file_size() = 0;
     virtual uint64_t total_cow_size_bytes() = 0;
     virtual uint64_t estimated_cow_size_bytes() = 0;
+    virtual uint32_t boot_complete_time_ms() = 0;
+    virtual uint32_t boot_complete_to_merge_start_time_ms() = 0;
 
     // Called when merge ends. Properly clean up permanent storage.
     class Result {
@@ -62,6 +66,10 @@ class SnapshotMergeStats : public ISnapshotMergeStats {
     void set_estimated_cow_size_bytes(uint64_t bytes) override;
     uint64_t total_cow_size_bytes() override;
     uint64_t estimated_cow_size_bytes() override;
+    void set_boot_complete_time_ms(uint32_t ms) override;
+    uint32_t boot_complete_time_ms() override;
+    void set_boot_complete_to_merge_start_time_ms(uint32_t ms) override;
+    uint32_t boot_complete_to_merge_start_time_ms() override;
     std::unique_ptr<Result> Finish() override;
 
   private:
diff --git a/fs_mgr/libsnapshot/snapshot_stats.cpp b/fs_mgr/libsnapshot/snapshot_stats.cpp
index 35e2d92de..7fcfcea02 100644
--- a/fs_mgr/libsnapshot/snapshot_stats.cpp
+++ b/fs_mgr/libsnapshot/snapshot_stats.cpp
@@ -114,6 +114,22 @@ uint64_t SnapshotMergeStats::estimated_cow_size_bytes() {
     return report_.estimated_cow_size_bytes();
 }
 
+void SnapshotMergeStats::set_boot_complete_time_ms(uint32_t ms) {
+    report_.set_boot_complete_time_ms(ms);
+}
+
+uint32_t SnapshotMergeStats::boot_complete_time_ms() {
+    return report_.boot_complete_time_ms();
+}
+
+void SnapshotMergeStats::set_boot_complete_to_merge_start_time_ms(uint32_t ms) {
+    report_.set_boot_complete_to_merge_start_time_ms(ms);
+}
+
+uint32_t SnapshotMergeStats::boot_complete_to_merge_start_time_ms() {
+    return report_.boot_complete_to_merge_start_time_ms();
+}
+
 class SnapshotMergeStatsResultImpl : public SnapshotMergeStats::Result {
   public:
     SnapshotMergeStatsResultImpl(const SnapshotMergeReport& report,
diff --git a/fs_mgr/libsnapshot/snapshot_stub.cpp b/fs_mgr/libsnapshot/snapshot_stub.cpp
index 079e606c4..43825ccc9 100644
--- a/fs_mgr/libsnapshot/snapshot_stub.cpp
+++ b/fs_mgr/libsnapshot/snapshot_stub.cpp
@@ -131,6 +131,10 @@ class SnapshotMergeStatsStub : public ISnapshotMergeStats {
     void set_estimated_cow_size_bytes(uint64_t) override {}
     uint64_t total_cow_size_bytes() override { return 0; }
     uint64_t estimated_cow_size_bytes() override { return 0; }
+    void set_boot_complete_time_ms(uint32_t) override {}
+    uint32_t boot_complete_time_ms() override { return 0; }
+    void set_boot_complete_to_merge_start_time_ms(uint32_t) override {}
+    uint32_t boot_complete_to_merge_start_time_ms() override { return 0; }
 };
 
 ISnapshotMergeStats* SnapshotManagerStub::GetSnapshotMergeStatsInstance() {