diff --git a/adb/transport.cpp b/adb/transport.cpp
index c2d4917..76a31ce 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -1009,14 +1009,11 @@
 const FeatureSet& supported_features() {
     // Local static allocation to avoid global non-POD variables.
     static const FeatureSet* features = new FeatureSet{
-        kFeatureShell2, kFeatureCmd, kFeatureStat2, kFeatureFixedPushMkdir,
-#if ADB_HOST
-                kFeatureApex
-#endif
-        // Increment ADB_SERVER_VERSION when adding a feature that adbd needs
-        // to know about. Otherwise, the client can be stuck running an old
-        // version of the server even after upgrading their copy of adb.
-        // (http://b/24370690)
+            kFeatureShell2, kFeatureCmd, kFeatureStat2, kFeatureFixedPushMkdir, kFeatureApex
+            // Increment ADB_SERVER_VERSION when adding a feature that adbd needs
+            // to know about. Otherwise, the client can be stuck running an old
+            // version of the server even after upgrading their copy of adb.
+            // (http://b/24370690)
     };
 
     return *features;
diff --git a/libstats/include/stats_event_list.h b/libstats/include/stats_event_list.h
index a9832db..153ec27 100644
--- a/libstats/include/stats_event_list.h
+++ b/libstats/include/stats_event_list.h
@@ -24,7 +24,7 @@
 #endif
 void reset_log_context(android_log_context ctx);
 int write_to_logger(android_log_context context, log_id_t id);
-void note_log_drop();
+void note_log_drop(int error);
 void stats_log_close();
 
 #ifdef __cplusplus
diff --git a/libstats/stats_event_list.c b/libstats/stats_event_list.c
index 72770d4..f388871 100644
--- a/libstats/stats_event_list.c
+++ b/libstats/stats_event_list.c
@@ -120,8 +120,8 @@
     return retValue;
 }
 
-void note_log_drop() {
-    statsdLoggerWrite.noteDrop();
+void note_log_drop(int error) {
+    statsdLoggerWrite.noteDrop(error);
 }
 
 void stats_log_close() {
diff --git a/libstats/statsd_writer.c b/libstats/statsd_writer.c
index 88f7d44..f00fc2d 100644
--- a/libstats/statsd_writer.c
+++ b/libstats/statsd_writer.c
@@ -48,6 +48,7 @@
 
 static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
 static atomic_int dropped = 0;
+static atomic_int log_error = 0;
 
 void statsd_writer_init_lock() {
     /*
@@ -150,8 +151,9 @@
     return 1;
 }
 
-static void statsdNoteDrop() {
+static void statsdNoteDrop(int error) {
     atomic_fetch_add_explicit(&dropped, 1, memory_order_relaxed);
+    atomic_exchange_explicit(&log_error, error, memory_order_relaxed);
 }
 
 static int statsdWrite(struct timespec* ts, struct iovec* vec, size_t nr) {
@@ -202,7 +204,8 @@
         if (snapshot) {
             android_log_event_int_t buffer;
             header.id = LOG_ID_STATS;
-            buffer.header.tag = htole32(LIBLOG_LOG_TAG);
+            // store the last log error in the tag field. This tag field is not used by statsd.
+            buffer.header.tag = htole32(atomic_load(&log_error));
             buffer.payload.type = EVENT_TYPE_INT;
             buffer.payload.data = htole32(snapshot);
 
diff --git a/libstats/statsd_writer.h b/libstats/statsd_writer.h
index 7289441..4fc3f8b 100644
--- a/libstats/statsd_writer.h
+++ b/libstats/statsd_writer.h
@@ -39,7 +39,7 @@
     /* write log to transport, returns number of bytes propagated, or -errno */
     int (*write)(struct timespec* ts, struct iovec* vec, size_t nr);
     /* note one log drop */
-    void (*noteDrop)();
+    void (*noteDrop)(int error);
 };
 
 #endif  // ANDROID_STATS_LOG_STATS_WRITER_H
diff --git a/lmkd/lmkd.c b/lmkd/lmkd.c
index 3a89706..c9c9e8e 100644
--- a/lmkd/lmkd.c
+++ b/lmkd/lmkd.c
@@ -954,7 +954,7 @@
 }
 
 #ifdef LMKD_LOG_STATS
-static void memory_stat_parse_line(char *line, struct memory_stat *mem_st) {
+static void memory_stat_parse_line(char* line, struct memory_stat* mem_st) {
     char key[LINE_MAX + 1];
     int64_t value;
 
@@ -976,25 +976,62 @@
         mem_st->swap_in_bytes = value;
 }
 
-static int memory_stat_parse(struct memory_stat *mem_st,  int pid, uid_t uid) {
-   FILE *fp;
-   char buf[PATH_MAX];
+static int memory_stat_from_cgroup(struct memory_stat* mem_st, int pid, uid_t uid) {
+    FILE *fp;
+    char buf[PATH_MAX];
 
-   snprintf(buf, sizeof(buf), MEMCG_PROCESS_MEMORY_STAT_PATH, uid, pid);
+    snprintf(buf, sizeof(buf), MEMCG_PROCESS_MEMORY_STAT_PATH, uid, pid);
 
-   fp = fopen(buf, "r");
+    fp = fopen(buf, "r");
 
-   if (fp == NULL) {
-       ALOGE("%s open failed: %s", buf, strerror(errno));
-       return -1;
-   }
+    if (fp == NULL) {
+        ALOGE("%s open failed: %s", buf, strerror(errno));
+        return -1;
+    }
 
-   while (fgets(buf, PAGE_SIZE, fp) != NULL ) {
-       memory_stat_parse_line(buf, mem_st);
-   }
-   fclose(fp);
+    while (fgets(buf, PAGE_SIZE, fp) != NULL) {
+        memory_stat_parse_line(buf, mem_st);
+    }
+    fclose(fp);
 
-   return 0;
+    return 0;
+}
+
+static int memory_stat_from_procfs(struct memory_stat* mem_st, int pid) {
+    char path[PATH_MAX];
+    char buffer[PROC_STAT_BUFFER_SIZE];
+    int fd, ret;
+
+    snprintf(path, sizeof(path), PROC_STAT_FILE_PATH, pid);
+    if ((fd = open(path, O_RDONLY | O_CLOEXEC)) < 0) {
+        ALOGE("%s open failed: %s", path, strerror(errno));
+        return -1;
+    }
+
+    ret = read(fd, buffer, sizeof(buffer));
+    if (ret < 0) {
+        ALOGE("%s read failed: %s", path, strerror(errno));
+        close(fd);
+        return -1;
+    }
+    close(fd);
+
+    // field 10 is pgfault
+    // field 12 is pgmajfault
+    // field 24 is rss_in_pages
+    int64_t pgfault = 0, pgmajfault = 0, rss_in_pages = 0;
+    if (sscanf(buffer,
+               "%*u %*s %*s %*d %*d %*d %*d %*d %*d %" SCNd64 " %*d "
+               "%" SCNd64 " %*d %*u %*u %*d %*d %*d %*d %*d %*d "
+               "%*d %*d %" SCNd64 "",
+               &pgfault, &pgmajfault, &rss_in_pages) != 3) {
+        return -1;
+    }
+    mem_st->pgfault = pgfault;
+    mem_st->pgmajfault = pgmajfault;
+    mem_st->rss_in_bytes = (rss_in_pages * PAGE_SIZE);
+
+    return 0;
 }
 #endif
 
@@ -1251,7 +1288,11 @@
 
 #ifdef LMKD_LOG_STATS
     if (enable_stats_log) {
-        memory_stat_parse_result = memory_stat_parse(&mem_st, pid, uid);
+        if (per_app_memcg) {
+            memory_stat_parse_result = memory_stat_from_cgroup(&mem_st, pid, uid);
+        } else {
+            memory_stat_parse_result = memory_stat_from_procfs(&mem_st, pid);
+        }
     }
 #endif
 
@@ -1276,6 +1317,9 @@
             stats_write_lmk_kill_occurred(log_ctx, LMK_KILL_OCCURRED, uid, taskname,
                     procp->oomadj, mem_st.pgfault, mem_st.pgmajfault, mem_st.rss_in_bytes,
                     mem_st.cache_in_bytes, mem_st.swap_in_bytes);
+        } else if (enable_stats_log) {
+            stats_write_lmk_kill_occurred(log_ctx, LMK_KILL_OCCURRED, uid, taskname, procp->oomadj,
+                                          -1, -1, tasksize * BYTES_IN_KILOBYTE, -1, -1);
         }
 #endif
         result = tasksize;
diff --git a/lmkd/statslog.h b/lmkd/statslog.h
index edebb19..8458480 100644
--- a/lmkd/statslog.h
+++ b/lmkd/statslog.h
@@ -67,6 +67,9 @@
 };
 
 #define MEMCG_PROCESS_MEMORY_STAT_PATH "/dev/memcg/apps/uid_%u/pid_%u/memory.stat"
+#define PROC_STAT_FILE_PATH "/proc/%d/stat"
+#define PROC_STAT_BUFFER_SIZE 1024
+#define BYTES_IN_KILOBYTE 1024
 
 /**
  * Logs the change in LMKD state which is used as start/stop boundaries for logging
diff --git a/rootdir/etc/public.libraries.android.txt b/rootdir/etc/public.libraries.android.txt
index d8f6095..27e855f 100644
--- a/rootdir/etc/public.libraries.android.txt
+++ b/rootdir/etc/public.libraries.android.txt
@@ -1,6 +1,7 @@
 # See https://android.googlesource.com/platform/ndk/+/master/docs/PlatformApis.md
 libandroid.so
 libaaudio.so
+libamidi.so
 libbinder_ndk.so
 libc.so
 libcamera2ndk.so
diff --git a/rootdir/etc/public.libraries.iot.txt b/rootdir/etc/public.libraries.iot.txt
index 20905bf..b565340 100644
--- a/rootdir/etc/public.libraries.iot.txt
+++ b/rootdir/etc/public.libraries.iot.txt
@@ -2,6 +2,7 @@
 libandroid.so
 libandroidthings.so
 libaaudio.so
+libamidi.so
 libbinder_ndk.so
 libc.so
 libcamera2ndk.so
diff --git a/rootdir/etc/public.libraries.wear.txt b/rootdir/etc/public.libraries.wear.txt
index 4ece5b5..7cbda08 100644
--- a/rootdir/etc/public.libraries.wear.txt
+++ b/rootdir/etc/public.libraries.wear.txt
@@ -1,6 +1,7 @@
 # See https://android.googlesource.com/platform/ndk/+/master/docs/PlatformApis.md
 libandroid.so
 libaaudio.so
+libamidi.so
 libbinder_ndk.so
 libc.so
 libcamera2ndk.so