diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index db06cf7..d1d9115 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -32,7 +32,7 @@
 
 benchmark_src_files := \
     benchmark_main.cpp \
-    liblog_benchmark.cpp \
+    liblog_benchmark.cpp
 
 # Build benchmarks for the device. Run with:
 #   adb shell liblog-benchmarks
@@ -59,10 +59,22 @@
     -g \
     -Wall -Wextra \
     -Werror \
-    -fno-builtin \
+    -fno-builtin
 
 test_src_files := \
-    liblog_test.cpp \
+    liblog_test.cpp
+
+# to prevent breaking the build if bionic not relatively visible to us
+ifneq ($(wildcard $(LOCAL_PATH)/../../../../bionic/libc/bionic/libc_logging.cpp),)
+
+test_src_files += \
+    libc_test.cpp
+
+ifndef ($(TARGET_USES_LOGD),false)
+test_c_flags += -DTARGET_USES_LOGD
+endif
+
+endif
 
 # Build tests for the device (with .so). Run with:
 #   adb shell /data/nativetest/liblog-unit-tests/liblog-unit-tests
diff --git a/liblog/tests/libc_test.cpp b/liblog/tests/libc_test.cpp
new file mode 100644
index 0000000..0abc375
--- /dev/null
+++ b/liblog/tests/libc_test.cpp
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fcntl.h>
+#include <sys/cdefs.h>
+
+#include <gtest/gtest.h>
+
+// Should be in bionic test suite, *but* we are using liblog to confirm
+// end-to-end logging, so let the overly cute oedipus complex begin ...
+#include "../../../../bionic/libc/bionic/libc_logging.cpp" // not Standalone
+#define _ANDROID_LOG_H // Priorities redefined
+#define _LIBS_LOG_LOG_H // log ids redefined
+typedef unsigned char log_id_t; // log_id_t missing as a result
+#ifdef TARGET_USES_LOGD
+#define _LIBS_LOG_LOG_READ_H // log_time redefined
+#endif
+
+#include <log/log.h>
+#include <log/logger.h>
+#include <log/log_read.h>
+
+TEST(libc, __libc_android_log_event_int) {
+    struct logger_list *logger_list;
+
+    pid_t pid = getpid();
+
+    ASSERT_TRUE(NULL != (logger_list = android_logger_list_open(
+        LOG_ID_EVENTS, O_RDONLY | O_NDELAY, 1000, pid)));
+
+    struct timespec ts;
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    int value = ts.tv_nsec;
+
+    __libc_android_log_event_int(0, value);
+    usleep(1000000);
+
+    int count = 0;
+
+    for (;;) {
+        log_msg log_msg;
+        if (android_logger_list_read(logger_list, &log_msg) <= 0) {
+            break;
+        }
+
+        ASSERT_EQ(log_msg.entry.pid, pid);
+
+        if ((log_msg.entry.len != (4 + 1 + 4))
+         || ((int)log_msg.id() != LOG_ID_EVENTS)) {
+            continue;
+        }
+
+        char *eventData = log_msg.msg();
+
+        int incoming = (eventData[0] & 0xFF) |
+                      ((eventData[1] & 0xFF) << 8) |
+                      ((eventData[2] & 0xFF) << 16) |
+                      ((eventData[3] & 0xFF) << 24);
+
+        if (incoming != 0) {
+            continue;
+        }
+
+        if (eventData[4] != EVENT_TYPE_INT) {
+            continue;
+        }
+
+        incoming = (eventData[4 + 1 + 0] & 0xFF) |
+                  ((eventData[4 + 1 + 1] & 0xFF) << 8) |
+                  ((eventData[4 + 1 + 2] & 0xFF) << 16) |
+                  ((eventData[4 + 1 + 3] & 0xFF) << 24);
+
+        if (incoming == value) {
+            ++count;
+        }
+    }
+
+    EXPECT_EQ(1, count);
+
+    android_logger_list_close(logger_list);
+}
+
+TEST(libc, __libc_fatal_no_abort) {
+    struct logger_list *logger_list;
+
+    pid_t pid = getpid();
+
+    ASSERT_TRUE(NULL != (logger_list = android_logger_list_open(
+        (log_id_t)LOG_ID_MAIN, O_RDONLY | O_NDELAY, 1000, pid)));
+
+    char b[80];
+    struct timespec ts;
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+
+    __libc_fatal_no_abort("%u.%09u", (unsigned)ts.tv_sec, (unsigned)ts.tv_nsec);
+    snprintf(b, sizeof(b),"%u.%09u", (unsigned)ts.tv_sec, (unsigned)ts.tv_nsec);
+    usleep(1000000);
+
+    int count = 0;
+
+    for (;;) {
+        log_msg log_msg;
+        if (android_logger_list_read(logger_list, &log_msg) <= 0) {
+            break;
+        }
+
+        ASSERT_EQ(log_msg.entry.pid, pid);
+
+        if ((int)log_msg.id() != LOG_ID_MAIN) {
+            continue;
+        }
+
+        char *data = log_msg.msg();
+
+        if ((*data == ANDROID_LOG_FATAL)
+                && !strcmp(data + 1, "libc")
+                && !strcmp(data + 1 + strlen(data + 1) + 1, b)) {
+            ++count;
+        }
+    }
+
+    EXPECT_EQ(1, count);
+
+    android_logger_list_close(logger_list);
+}
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index 8dcab87..38a237c 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -167,17 +167,14 @@
 
         if ((id != LOG_ID_CRASH) && mPrune.worstUidEnabled()) {
             LidStatistics &l = stats.id(id);
-            UidStatisticsCollection::iterator iu;
-            for (iu = l.begin(); iu != l.end(); ++iu) {
-                UidStatistics *u = (*iu);
-                size_t sizes = u->sizes();
-                if (worst_sizes < sizes) {
-                    second_worst_sizes = worst_sizes;
-                    worst_sizes = sizes;
-                    worst = u->getUid();
-                }
-                if ((second_worst_sizes < sizes) && (sizes < worst_sizes)) {
-                    second_worst_sizes = sizes;
+            l.sort();
+            UidStatisticsCollection::iterator iu = l.begin();
+            if (iu != l.end()) {
+                UidStatistics *u = *iu;
+                worst = u->getUid();
+                worst_sizes = u->sizes();
+                if (++iu != l.end()) {
+                    second_worst_sizes = (*iu)->sizes();
                 }
             }
         }
diff --git a/logd/LogStatistics.cpp b/logd/LogStatistics.cpp
index 5146030..f44f567 100644
--- a/logd/LogStatistics.cpp
+++ b/logd/LogStatistics.cpp
@@ -96,7 +96,9 @@
 }
 
 UidStatistics::UidStatistics(uid_t uid)
-        : uid(uid) {
+        : uid(uid)
+        , mSizes(0)
+        , mElements(0) {
     Pids.clear();
 }
 
@@ -109,6 +111,9 @@
 }
 
 void UidStatistics::add(unsigned short size, pid_t pid) {
+    mSizes += size;
+    ++mElements;
+
     PidStatistics *p;
     PidStatisticsCollection::iterator last;
     PidStatisticsCollection::iterator it;
@@ -116,18 +121,11 @@
         p = *it;
         if (pid == p->getPid()) {
             p->add(size);
-            // poor-man sort, bubble upwards if bigger than last
-            if ((last != it) && ((*last)->sizesTotal() < p->sizesTotal())) {
-                Pids.erase(it);
-                Pids.insert(last, p);
-            }
             return;
         }
     }
-    // poor-man sort, insert if bigger than last or last is the gone entry.
-    bool insert = (last != it)
-        && ((p->getPid() == p->gone)
-            || ((*last)->sizesTotal() < (size_t) size));
+    // insert if the gone entry.
+    bool insert = (last != it) && (p->getPid() == p->gone);
     p = new PidStatistics(pid, pidToName(pid));
     if (insert) {
         Pids.insert(last, p);
@@ -138,6 +136,9 @@
 }
 
 void UidStatistics::subtract(unsigned short size, pid_t pid) {
+    mSizes -= size;
+    --mElements;
+
     PidStatisticsCollection::iterator it;
     for (it = begin(); it != end(); ++it) {
         PidStatistics *p = *it;
@@ -166,28 +167,57 @@
     }
 }
 
+void UidStatistics::sort() {
+    for (bool pass = true; pass;) {
+        pass = false;
+        PidStatisticsCollection::iterator it = begin();
+        if (it != end()) {
+            PidStatisticsCollection::iterator lt = it;
+            PidStatistics *l = (*lt);
+            while (++it != end()) {
+                PidStatistics *n = (*it);
+                if ((n->getPid() != n->gone) && (n->sizes() > l->sizes())) {
+                    pass = true;
+                    Pids.erase(it);
+                    Pids.insert(lt, n);
+                    it = lt;
+                    n = l;
+                }
+                lt = it;
+                l = n;
+            }
+        }
+    }
+}
+
 size_t UidStatistics::sizes(pid_t pid) {
-    size_t sizes = 0;
+    if (pid == pid_all) {
+        return sizes();
+    }
+
     PidStatisticsCollection::iterator it;
     for (it = begin(); it != end(); ++it) {
         PidStatistics *p = *it;
-        if ((pid == pid_all) || (pid == p->getPid())) {
-            sizes += p->sizes();
+        if (pid == p->getPid()) {
+            return p->sizes();
         }
     }
-    return sizes;
+    return 0;
 }
 
 size_t UidStatistics::elements(pid_t pid) {
-    size_t elements = 0;
+    if (pid == pid_all) {
+        return elements();
+    }
+
     PidStatisticsCollection::iterator it;
     for (it = begin(); it != end(); ++it) {
         PidStatistics *p = *it;
-        if ((pid == pid_all) || (pid == p->getPid())) {
-            elements += p->elements();
+        if (pid == p->getPid()) {
+            return p->elements();
         }
     }
-    return elements;
+    return 0;
 }
 
 size_t UidStatistics::sizesTotal(pid_t pid) {
@@ -266,6 +296,29 @@
     }
 }
 
+void LidStatistics::sort() {
+    for (bool pass = true; pass;) {
+        pass = false;
+        UidStatisticsCollection::iterator it = begin();
+        if (it != end()) {
+            UidStatisticsCollection::iterator lt = it;
+            UidStatistics *l = (*lt);
+            while (++it != end()) {
+                UidStatistics *n = (*it);
+                if (n->sizes() > l->sizes()) {
+                    pass = true;
+                    Uids.erase(it);
+                    Uids.insert(lt, n);
+                    it = lt;
+                    n = l;
+                }
+                lt = it;
+                l = n;
+            }
+        }
+    }
+}
+
 size_t LidStatistics::sizes(uid_t uid, pid_t pid) {
     size_t sizes = 0;
     UidStatisticsCollection::iterator it;
@@ -455,13 +508,22 @@
     short spaces = 2;
 
     log_id_for_each(i) {
-        if (logMask & (1 << i)) {
-            oldLength = string.length();
-            if (spaces < 0) {
-                spaces = 0;
-            }
-            string.appendFormat("%*s%s", spaces, "", android_log_id_to_name(i));
-            spaces += spaces_total + oldLength - string.length();
+        if (!logMask & (1 << i)) {
+            continue;
+        }
+        oldLength = string.length();
+        if (spaces < 0) {
+            spaces = 0;
+        }
+        string.appendFormat("%*s%s", spaces, "", android_log_id_to_name(i));
+        spaces += spaces_total + oldLength - string.length();
+
+        LidStatistics &l = id(i);
+        l.sort();
+
+        UidStatisticsCollection::iterator iu;
+        for (iu = l.begin(); iu != l.end(); ++iu) {
+            (*iu)->sort();
         }
     }
 
diff --git a/logd/LogStatistics.h b/logd/LogStatistics.h
index 12c68d5..cd6ef7b 100644
--- a/logd/LogStatistics.h
+++ b/logd/LogStatistics.h
@@ -70,6 +70,9 @@
 
     PidStatisticsCollection Pids;
 
+    size_t mSizes;
+    size_t mElements;
+
 public:
     UidStatistics(uid_t uid);
     ~UidStatistics();
@@ -81,11 +84,17 @@
 
     void add(unsigned short size, pid_t pid);
     void subtract(unsigned short size, pid_t pid);
+    void sort();
 
     static const pid_t pid_all = (pid_t) -1;
 
-    size_t sizes(pid_t pid = pid_all);
-    size_t elements(pid_t pid = pid_all);
+    // fast track current value
+    size_t sizes() const { return mSizes; };
+    size_t elements() const { return mElements; };
+
+    // statistical track
+    size_t sizes(pid_t pid);
+    size_t elements(pid_t pid);
 
     size_t sizesTotal(pid_t pid = pid_all);
     size_t elementsTotal(pid_t pid = pid_all);
@@ -108,6 +117,7 @@
 
     void add(unsigned short size, uid_t uid, pid_t pid);
     void subtract(unsigned short size, uid_t uid, pid_t pid);
+    void sort();
 
     static const pid_t pid_all = (pid_t) -1;
     static const uid_t uid_all = (uid_t) -1;
@@ -145,6 +155,7 @@
 
     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);
+    void sort();
 
     // fast track current value by id only
     size_t sizes(log_id_t id) const { return mSizes[id]; }
diff --git a/logd/LogWhiteBlackList.cpp b/logd/LogWhiteBlackList.cpp
index f739865..c6c7b23 100644
--- a/logd/LogWhiteBlackList.cpp
+++ b/logd/LogWhiteBlackList.cpp
@@ -47,7 +47,7 @@
 }
 
 PruneList::PruneList()
-        : mWorstUidEnabled(false) {
+        : mWorstUidEnabled(true) {
     mNaughty.clear();
     mNice.clear();
 }
diff --git a/logd/tests/logd_test.cpp b/logd/tests/logd_test.cpp
index 23e6146..731aff6 100644
--- a/logd/tests/logd_test.cpp
+++ b/logd/tests/logd_test.cpp
@@ -23,6 +23,7 @@
 #include <gtest/gtest.h>
 
 #include "cutils/sockets.h"
+#include "log/log.h"
 #include "log/logger.h"
 
 #define __unused __attribute__((__unused__))
@@ -96,8 +97,9 @@
     //
     // main: UID/PID Total size/num   Now          UID/PID[?]  Total
     // 0           7500306/304207     71608/3183   0/4225?     7454388/303656
+    //    <wrap>                                                     93432/1012
     // -or-
-    // 0/gone      7454388/303656
+    // 0/gone      7454388/303656     93432/1012
     //
     // basically if we see a *large* number of 0/????? entries
     unsigned long value;
@@ -126,6 +128,15 @@
                 value = value * 10ULL + *cp - '0';
                 ++cp;
             }
+            if (*cp != '/') {
+                value = 0;
+                continue;
+            }
+            while (isdigit(*++cp));
+            while (*cp == ' ') ++cp;
+            if (!isdigit(*cp)) {
+                value = 0;
+            }
         }
     } while ((value < 900000ULL) && *cp);
     return cp;
@@ -624,7 +635,45 @@
 #endif
 
     ASSERT_TRUE(NULL != buf);
-    EXPECT_TRUE(find_benchmark_spam(buf) != NULL);
+
+    char *benchmark_statistics_found = find_benchmark_spam(buf);
+    ASSERT_TRUE(benchmark_statistics_found != NULL);
+
+    // Check how effective the SPAM filter is, parse out Now size.
+    //             Total               Now
+    // 0/4225?     7454388/303656      31488/755
+    //                                 ^-- benchmark_statistics_found
+
+    unsigned long nowSize = atol(benchmark_statistics_found);
 
     delete [] buf;
+
+    ASSERT_NE(0UL, nowSize);
+
+    int sock = socket_local_client("logd",
+                                   ANDROID_SOCKET_NAMESPACE_RESERVED,
+                                   SOCK_STREAM);
+    static const unsigned long expected_absolute_minimum_log_size = 65536UL;
+    unsigned long totalSize = expected_absolute_minimum_log_size;
+    if (sock >= 0) {
+        static const char getSize[] = {
+            'g', 'e', 't', 'L', 'o', 'g', 'S', 'i', 'z', 'e', ' ',
+            LOG_ID_MAIN + '0', '\0'
+        };
+        if (write(sock, getSize, sizeof(getSize)) > 0) {
+            char buffer[80];
+            memset(buffer, 0, sizeof(buffer));
+            read(sock, buffer, sizeof(buffer));
+            totalSize = atol(buffer);
+            if (totalSize < expected_absolute_minimum_log_size) {
+                totalSize = expected_absolute_minimum_log_size;
+            }
+        }
+        close(sock);
+    }
+    // logd allows excursions to 110% of total size
+    totalSize = (totalSize * 11 ) / 10;
+
+    // 50% threshold for SPAM filter (<20% typical, lots of engineering margin)
+    ASSERT_GT(totalSize, nowSize * 2);
 }