diff --git a/logcat/Android.mk b/logcat/Android.mk
new file mode 100644
index 0000000..3ee051d
--- /dev/null
+++ b/logcat/Android.mk
@@ -0,0 +1,27 @@
+# Copyright 2006 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= logcat.cpp
+
+LOCAL_SHARED_LIBRARIES := liblog
+
+LOCAL_MODULE:= logcat
+
+include $(BUILD_EXECUTABLE)
+
+########################
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := event-log-tags
+
+#LOCAL_MODULE_TAGS := user development
+
+# This will install the file in /system/etc
+#
+LOCAL_MODULE_CLASS := ETC
+
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+
+include $(BUILD_PREBUILT)
diff --git a/logcat/MODULE_LICENSE_APACHE2 b/logcat/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/logcat/MODULE_LICENSE_APACHE2
diff --git a/logcat/NOTICE b/logcat/NOTICE
new file mode 100644
index 0000000..c5b1efa
--- /dev/null
+++ b/logcat/NOTICE
@@ -0,0 +1,190 @@
+
+   Copyright (c) 2005-2008, 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.
+
+   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.
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
diff --git a/logcat/event-log-tags b/logcat/event-log-tags
new file mode 100644
index 0000000..28cad0a
--- /dev/null
+++ b/logcat/event-log-tags
@@ -0,0 +1,346 @@
+# The entries in this file map a sparse set of log tag numbers to tag names.
+# This is installed on the device, in /system/etc, and parsed by logcat.
+#
+# Tag numbers are decimal integers, from 0 to 2^31.  (Let's leave the
+# negative values alone for now.)
+#
+# Tag names are one or more ASCII letters and numbers or underscores, i.e.
+# "[A-Z][a-z][0-9]_".  Do not include spaces or punctuation (the former
+# impacts log readability, the latter makes regex searches more annoying).
+#
+# Tag numbers and names are separated by whitespace.  Blank lines and lines
+# starting with '#' are ignored.
+#
+# Optionally, after the tag names can be put a description for the value(s)
+# of the tag. Description are in the format
+#    (<name>|data type[|data unit])
+# Multiple values are separated by commas.
+#
+# The data type is a number from the following values:
+# 1: int
+# 2: long
+# 3: string
+# 4: list
+# 
+# The data unit is a number taken from the following list:
+# 1: Number of objects
+# 2: Number of bytes
+# 3: Number of milliseconds
+# 4: Number of allocations
+# 5: Id
+# 6: Percent
+# Default value for data of type int/long is 2 (bytes).
+#
+# TODO: generate ".java" and ".h" files with integer constants from this file.
+
+# These are used for testing, do not modify without updating
+# tests/framework-tests/src/android/util/EventLogFunctionalTest.java.
+42    answer (to life the universe etc|3)
+314   pi
+2718  e
+
+2719 configuration_changed (config mask|1|5)
+2720 sync (id|3),(event|1|5),(source|1|5)
+2721 cpu (total|1|6),(user|1|6),(system|1|6),(iowait|1|6),(irq|1|6),(softirq|1|6)
+2722 battery_level (level|1|6),(voltage|1|1),(temperature|1|1)
+2723 battery_status (status|1|5),(health|1|5),(present|1|5),(plugged|1|5),(technology|3)
+# This is logged when the device is being forced to sleep (typically by
+# the user pressing the power button).
+2724 power_sleep_requested (wakeLocksCleared|1|1)
+# This is logged when the screen on broadcast has completed
+2725 power_screen_broadcast_send (wakelockCount|1|1)
+# This is logged when the screen broadcast has completed
+2726 power_screen_broadcast_done (on|1|5),(broadcastDuration|2|3),(wakelockCount|1|1)
+# This is logged when the screen on broadcast has completed
+2727 power_screen_broadcast_stop (which|1|5),(wakelockCount|1|1)
+# This is logged when the screen is turned on or off.
+2728 power_screen_state (offOrOn|1|5),(becauseOfUser|1|5),(totalTouchDownTime|2|3),(touchCycles|1|1)
+# This is logged when the partial wake lock (keeping the device awake
+# regardless of whether the screen is off) is acquired or released.
+2729 power_partial_wake_state (releasedorAcquired|1|5),(tag|3)
+# This is logged when battery goes from discharging to charging. 
+# It lets us count the total amount of time between charges and the discharge level
+2730 battery_discharge (duration|2|3),(minLevel|1|6),(maxLevel|1|6)
+#
+# Leave IDs through 2739 for more power logs 
+#
+
+# This event is logged when the location service uploads location data.
+2740 location_controller
+# This event is logged when someone is deciding to force a garbage collection
+2741 force_gc (reason|3)
+# This event is logged on each tickle
+2742 tickle (authority|3)
+# What happens in a sync operation (bytes sent and received, and
+# operation details)
+2743 sync_details (authority|3),(send|1|2),(recv|1|2),(details|3)
+
+# The disk space free on the /data partition, in bytes
+2744 free_storage_changed (data|2|2)
+# Device low memory notification and disk space free on the /data partition, in bytes at that time
+2745 low_storage (data|2|2)
+# disk space free on the /data partition in bytes
+2746 free_storage_left (data|2|2)
+
+# when a NotificationManager.notify is called
+2750 notification_enqueue (pkg|3),(id|1|5),(notification|3)
+# when someone tries to cancel a notification, the notification manager sometimes
+# calls this with flags too
+2751 notification_cancel (pkg|3),(id|1|5),(required_flags|1)
+# when someone tries to cancel all of the notifications for a particular package
+2752 notification_cancel_all (pkg|3),(required_flags|1)
+
+# This event is logged when GTalkService encounters important events
+2800 gtalkservice (eventType|1)
+# This event is logged for GTalk connection state changes. The status field is an int, but
+# it really contains 4 separate values, each taking up a byte
+# (eventType, connection state, connection error, network state)
+2801 gtalk_connection (status|1)
+
+2802 watchdog (Service|3)
+2803 watchdog_proc_pss (Process|3),(Pid|1|5),(Pss|1|2)
+2804 watchdog_soft_reset (Process|3),(Pid|1|5),(MaxPss|1|2),(Pss|1|2),(Skip|3)
+2805 watchdog_hard_reset (Process|3),(Pid|1|5),(MaxPss|1|2),(Pss|1|2)
+2806 watchdog_pss_stats (EmptyPss|1|2),(EmptyCount|1|1),(BackgroundPss|1|2),(BackgroundCount|1|1),(ServicePss|1|2),(ServiceCount|1|1),(VisiblePss|1|2),(VisibleCount|1|1),(ForegroundPss|1|2),(ForegroundCount|1|1),(NoPssCount|1|1)
+2807 watchdog_proc_stats (DeathsInOne|1|1),(DeathsInTwo|1|1),(DeathsInThree|1|1),(DeathsInFour|1|1),(DeathsInFive|1|1)
+2808 watchdog_scheduled_reboot (Now|2|1),(Interval|1|3),(StartTime|1|3),(Window|1|3),(Skip|3)
+2809 watchdog_meminfo (MemFree|1|2),(Buffers|1|2),(Cached|1|2),(Active|1|2),(Inactive|1|2),(AnonPages|1|2),(Mapped|1|2),(Slab|1|2),(SReclaimable|1|2),(SUnreclaim|1|2),(PageTables|1|2)
+2810 watchdog_vmstat (runtime|2|3),(pgfree|1|1),(pgactivate|1|1),(pgdeactivate|1|1),(pgfault|1|1),(pgmajfault|1|1)
+2811 watchdog_requested_reboot (NoWait|1|1),(ScheduleInterval|1|3),(RecheckInterval|1|3),(StartTime|1|3),(Window|1|3),(MinScreenOff|1|3),(MinNextAlarm|1|3)
+
+# Device boot timings.  We include monotonic clock values because the
+# intrinsic event log times are wall-clock.
+#
+# Runtime starts:
+3000 boot_progress_start (time|2|3)
+# SystemServer.run() starts:
+3010 boot_progress_system_run (time|2|3)
+# ZygoteInit class preloading starts:
+3020 boot_progress_preload_start (time|2|3)
+# ZygoteInit class preloading ends:
+3030 boot_progress_preload_end (time|2|3)
+# ActivityManagerService.systemReady() starts:
+3040 boot_progress_ams_ready (time|2|3)
+# ActivityManagerService calls enableScreenAfterBoot():
+3050 boot_progress_enable_screen (time|2|3)
+# Package Manager starts:
+3060 boot_progress_pms_start (time|2|3)
+# Package Manager .apk scan starts:
+3070 boot_progress_pms_system_scan_start (time|2|3)
+# Package Manager .apk scan starts:
+3080 boot_progress_pms_data_scan_start (time|2|3)
+# Package Manager .apk scan ends:
+3090 boot_progress_pms_scan_end (time|2|3)
+# Package Manager ready:
+3100 boot_progress_pms_ready (time|2|3)
+# + check activity_launch_time for Home app
+
+# Do not change these names without updating the checkin_events setting in
+# google3/googledata/wireless/android/provisioning/gservices.config !!
+#
+# An activity is being finished:
+30001 am_finish_activity (Token|1|5),(Task ID|1|5),(Component Name|3),(Reason|3)
+# A task is being brought to the front of the screen:
+30002 am_task_to_front (Task|1|5)
+# An existing activity is being given a new intent:
+30003 am_new_intent (Token|1|5),(Task ID|1|5),(Component Name|3),(Action|3),(MIME Type|3),(URI|3),(Flags|1|5)
+# A new task is being created:
+30004 am_create_task (Task ID|1|5)
+# A new activity is being created in an existing task:
+30005 am_create_activity (Token|1|5),(Task ID|1|5),(Component Name|3),(Action|3),(MIME Type|3),(URI|3),(Flags|1|5)
+# An activity has been resumed into the foreground but was not already running:
+30006 am_restart_activity (Token|1|5),(Task ID|1|5),(Component Name|3)
+# An activity has been resumed and is now in the foreground:
+30007 am_resume_activity (Token|1|5),(Task ID|1|5),(Component Name|3)
+# Application Not Responding
+30008 anr (pid|1|5),(Package Name|3),(reason|3)
+# Activity launch time
+30009 activity_launch_time (Token|1|5),(Component Name|3),(time|2|3)
+# Application process bound to work
+30010 am_proc_bound (PID|1|5),(Process Name|3)
+# Application process died
+30011 am_proc_died (PID|1|5),(Process Name|3)
+# The Activity Manager failed to pause the given activity. 
+30012 am_failed_to_pause (Token|1|5),(Wanting to pause|3),(Currently pausing|3)
+# Attempting to pause the current activity 
+30013 am_pause_activity (Token|1|5),(Component Name|3)
+# Application process has been started
+30014 am_proc_start (PID|1|5),(UID|1|5),(Process Name|3),(Type|3),(Component|3)
+# An application process has been marked as bad
+30015 am_proc_bad (UID|1|5),(Process Name|3)
+# An application process that was bad is now marked as good
+30016 am_proc_good (UID|1|5),(Process Name|3)
+# Reporting to applications that memory is low
+30017 am_low_memory (Num Processes|1|1)
+# An activity is being destroyed:
+30018 am_destroy_activity (Token|1|5),(Task ID|1|5),(Component Name|3)
+# An activity has been relaunched, resumed, and is now in the foreground:
+30019 am_relaunch_resume_activity (Token|1|5),(Task ID|1|5),(Component Name|3)
+# An activity has been relaunched:
+30020 am_relaunch_activity (Token|1|5),(Task ID|1|5),(Component Name|3)
+# The activity's onPause has been called.
+30021 am_on_paused_called (Component Name|3)
+# The activity's onResume has been called.
+30022 am_on_resume_called (Component Name|3)
+# Kill a process to reclaim memory.
+30023 am_kill_for_memory (PID|1|5),(Process Name|3),(OomAdj|1|5)
+# Discard an undelivered serialized broadcast (timeout/ANR/crash)
+30024 am_broadcast_discard_filter (Broadcast|1|5),(Action|3),(Receiver Number|1|1),(BroadcastFilter|1|5)
+30025 am_broadcast_discard_app (Broadcast|1|5),(Action|3),(Receiver Number|1|1),(App|3)
+# A service is being created
+30030 am_create_service (Service Record|1|5),(Name|3),(Intent|3),(PID|1|5)
+# A service is being destroyed
+30031 am_destroy_service (Service Record|1|5),(Name|3),(PID|1|5)
+# A process has crashed too many times, it is being cleared
+30032 am_process_crashed_too_much (Name|3),(PID|1|5)
+# An unknown process is trying to attach to the activity manager
+30033 am_drop_process (PID|1|5)
+# A service has crashed too many times, it is being stopped
+30034 am_service_crashed_too_much (Crash Count|1|1),(Component Name|3),(PID|1|5)
+# A service is going to be restarted after its process went away
+30035 am_schedule_service_restart (Component Name|3),(Time|2|3)
+# A client was waiting for a content provider, but its process was lost
+30036 am_provider_lost_process (Package Name|3),(UID|1|5),(Name|3)
+
+# Out of memory for surfaces.
+31000 wm_no_surface_memory (Window|3),(PID|1|5),(Operation|3)
+
+# Re-connecting to input method service because we haven't received its interface
+32000 imf_force_reconnect_ime (IME|4),(Time Since Connect|2|3),(Showing|1|1)
+
+# dvm_gc_info: LIST (LONG, LONG, LONG)
+#
+# First LONG:
+#
+#    [63]    1
+#    [62-24] ASCII process identifier
+#    [23-12] GC time in ms
+#    [11- 0] Bytes freed
+#
+# Second LONG (aggregated heap info):
+#
+#    [63-62] 10
+#    [61-60] Reserved; must be zero
+#    [59-48] Objects freed
+#    [47-36] Actual size (current footprint)
+#    [35-24] Allowed size (current hard max)
+#    [23-12] Objects allocated
+#    [11- 0] Bytes allocated
+#
+# Third LONG (zygote heap info):
+#
+#    [63-62] 11
+#    [61-60] Reserved; must be zero
+#    [59-48] Soft limit
+#    [47-36] Actual size (current footprint)
+#    [35-24] Allowed size (current hard max)
+#    [23-12] Objects allocated
+#    [11- 0] Bytes allocated
+#
+# Fourth LONG:
+#
+#    [63-48] Reserved; must be zero
+#    [47-36] dlmallocFootprint
+#    [35-24] mallinfo: total allocated space
+#    [23-12] External byte limit
+#    [11- 0] External bytes allocated
+#
+# See HeapDebug.c
+#
+20001 dvm_gc_info (custom|2),(custom|2),(custom|2),(custom|2)
+20002 dvm_gc_madvise_info (total|1|2),(zygote|1|2)
+
+75000 sqlite_mem_alarm_current (current|1|2)
+75001 sqlite_mem_alarm_max (max|1|2)
+75002 sqlite_mem_alarm_alloc_attempt (attempts|1|4)
+75003 sqlite_mem_released (Memory released|1|2)
+
+40000 checkin (Check in time|2|3)
+
+50000 menu_item_selected (Menu type where 0 is options and 1 is context|1|5),(Menu item title|3)
+50001 menu_opened (Menu type where 0 is options and 1 is context|1|5)
+# Connectivity state changed:
+# [31-13] Reserved for future use
+# [12- 9] Network subtype (for mobile network, as defined by TelephonyManager)
+# [ 8- 3] Detailed state ordinal (as defined by NetworkInfo.DetailedState)   
+# [ 2- 0] Network type (as defined by ConnectivityManager)
+50020 connectivity_state_changed (custom|1|5)
+
+# Wi-Fi network state changed:
+# [31- 6] Reserved for future use
+# [ 5- 0] Detailed state ordinal (as defined by NetworkInfo.DetailedState)   
+50021 wifi_network_state_changed (network_state|1|5)
+
+# Wi-Fi supplicant state changed:
+# [31- 6] Reserved for future use
+# [ 5- 0] Supplicant state ordinal (as defined by SupplicantState)   
+50022 wifi_supplicant_state_changed (supplicant_state|1|5)
+
+# Wi-Fi driver state changed:
+# [31- 1] Reserved for future use
+# [ 0- 0] Driver start (1) or stopped (0)   
+50023 wifi_driver_state_changed (driver_state|1|5)
+
+# Wi-Fi interface configuration state changed:
+# [31- 1] Reserved for future use
+# [ 0- 0] Interface configuration succeeded (1) or failed (0)   
+50024 wifi_interface_configuration_state_changed (IP_configuration|1|5)
+
+# Wi-Fi supplicant connection state changed:
+# [31- 2] Reserved for future use
+# [ 1- 0] Connected to supplicant (1) or disconnected from supplicant (0),
+#         or supplicant died (2)
+50025 wifi_supplicant_connection_state_changed (connected|1|5)
+
+# PDP Context has a bad DNS address
+50100 pdp_bad_dns_address (dns_address|3)
+
+# For data connection on PDP context, reached the data-out-without-data-in
+# packet count that triggers a countdown to radio restart
+50101 pdp_radio_reset_countdown_triggered (out_packet_count|1|1)
+
+# Radio restart - timed out with no incoming packets.
+50102 pdp_radio_reset (out_packet_count|1|1)
+
+# PDP context reset - timed out with no incoming packets.
+50103 pdp_context_reset (out_packet_count|1|1)
+
+# Reregister to data network - timed out with no incoming packets.
+50104 pdp_reregister_network (out_packet_count|1|1)
+
+# PDP Setup failures
+50105 pdp_setup_fail (cause|1|5), (cid|1|5), (network_type|1|5)
+
+# Call drops
+50106 call_drop (cause|1|5), (cid|1|5), (network_type|1|5)
+
+# Data network registration failed after successful voice registration
+50107 data_network_registration_fail (op_numeric|1|5), (cid|1|5)
+
+# Suspicious status of data connection while radio poweroff
+50108 data_network_status_on_radio_off (dc_state|3), (enable|1|5)
+
+# PDP drop caused by network
+50109 pdp_network_drop (cid|1|5), (network_type|1|5)
+
+# Do not change these names without updating tag in:
+#//device/dalvik/libcore/luni/src/main/native/org_apache_harmony_luni_platform_OSNetworkSystem.c
+51000 socket_stats (send|1|2),(recv|1|2),(ip|1|5),(port|1|5),(close|1|5)
+
+# db stats.  0 is query, 1 is write (may become more fine grained in the 
+# future)
+52000 db_operation (name|3),(op_type|1|5),(time|2|3)
+
+# http request/response stats
+52001 http_stats (useragent|3),(response|2|3),(processing|2|3),(tx|1|2),(rx|1|2)
+60000 viewroot_draw (Draw time|1|3)
+60001 viewroot_layout (Layout time|1|3)
+60002 view_build_drawing_cache (View created drawing cache|1|5)
+60003 view_use_drawing_cache (View drawn using bitmap cache|1|5)
+
+# 0 for screen off, 1 for screen on, 2 for key-guard done
+70000 screen_toggled (screen_state|1|5)
+
+# browser stats for diary study
+70101 browser_zoom_level_change (start level|1|5),(end level|1|5),(time|2|3)
+70102 browser_double_tap_duration (duration|1|3),(time|2|3)
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
new file mode 100644
index 0000000..3130a1c
--- /dev/null
+++ b/logcat/logcat.cpp
@@ -0,0 +1,568 @@
+// Copyright 2006 The Android Open Source Project
+
+#include <cutils/logger.h>
+#include <cutils/logd.h>
+#include <cutils/sockets.h>
+#include <cutils/logprint.h>
+#include <cutils/event_tag_map.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+#include <errno.h>
+#include <assert.h>
+#include <ctype.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <arpa/inet.h>
+
+#define DEFAULT_LOG_ROTATE_SIZE_KBYTES 16
+#define DEFAULT_MAX_ROTATED_LOGS 4
+
+static AndroidLogFormat * g_logformat;
+
+/* logd prefixes records with a length field */
+#define RECORD_LENGTH_FIELD_SIZE_BYTES sizeof(uint32_t)
+
+#define LOG_FILE_DIR    "/dev/log/"
+
+
+namespace android {
+
+/* Global Variables */
+
+static const char * g_outputFileName = NULL;
+static int g_logRotateSizeKBytes = 0;                   // 0 means "no log rotation"
+static int g_maxRotatedLogs = DEFAULT_MAX_ROTATED_LOGS; // 0 means "unbounded"
+static int g_outFD = -1;
+static off_t g_outByteCount = 0;
+static int g_isBinary = 0;
+static int g_printBinary = 0;
+
+static EventTagMap* g_eventTagMap = NULL;
+
+static int openLogFile (const char *pathname)
+{
+    return open(g_outputFileName, O_WRONLY | O_APPEND | O_CREAT, S_IRUSR | S_IWUSR);
+}
+
+static void rotateLogs()
+{
+    int err;
+
+    // Can't rotate logs if we're not outputting to a file
+    if (g_outputFileName == NULL) {
+        return;
+    }
+
+    close(g_outFD);
+
+    for (int i = g_maxRotatedLogs ; i > 0 ; i--) {
+        char *file0, *file1;
+
+        asprintf(&file1, "%s.%d", g_outputFileName, i);
+
+        if (i - 1 == 0) {
+            asprintf(&file0, "%s", g_outputFileName);
+        } else {
+            asprintf(&file0, "%s.%d", g_outputFileName, i - 1);
+        }
+
+        err = rename (file0, file1);
+
+        if (err < 0 && errno != ENOENT) {
+            perror("while rotating log files");
+        }
+
+        free(file1);
+        free(file0);
+    }
+
+    g_outFD = openLogFile (g_outputFileName);
+
+    if (g_outFD < 0) {
+        perror ("couldn't open output file");
+        exit(-1);
+    }
+
+    g_outByteCount = 0;
+
+}
+
+void printBinary(struct logger_entry *buf)
+{
+    size_t size = sizeof(logger_entry) + buf->len;
+    int ret;
+    
+    do {
+        ret = write(g_outFD, buf, size);
+    } while (ret < 0 && errno == EINTR);
+}
+
+static void processBuffer(struct logger_entry *buf)
+{
+    int bytesWritten;
+    int err;
+    AndroidLogEntry entry;
+    char binaryMsgBuf[1024];
+
+    if (g_isBinary) {
+        err = android_log_processBinaryLogBuffer(buf, &entry, g_eventTagMap,
+                binaryMsgBuf, sizeof(binaryMsgBuf));
+        //printf(">>> pri=%d len=%d msg='%s'\n",
+        //    entry.priority, entry.messageLen, entry.message);
+    } else {
+        err = android_log_processLogBuffer(buf, &entry);
+    }
+    if (err < 0)
+        goto error;
+
+    bytesWritten = android_log_filterAndPrintLogLine(
+                        g_logformat, g_outFD, &entry);
+
+    if (bytesWritten < 0) {
+        perror("output error");
+        exit(-1);
+    }
+
+    g_outByteCount += bytesWritten;
+
+    if (g_logRotateSizeKBytes > 0 
+        && (g_outByteCount / 1024) >= g_logRotateSizeKBytes
+    ) {
+        rotateLogs();
+    }
+
+error:
+    //fprintf (stderr, "Error processing record\n");
+    return;
+}
+
+static void readLogLines(int logfd)
+{
+    while (1) {
+        unsigned char buf[LOGGER_ENTRY_MAX_LEN + 1] __attribute__((aligned(4)));
+        struct logger_entry *entry = (struct logger_entry *) buf;
+        int ret;
+
+        ret = read(logfd, entry, LOGGER_ENTRY_MAX_LEN);
+        if (ret < 0) {
+            if (errno == EINTR)
+                continue;
+            if (errno == EAGAIN)
+                break;
+            perror("logcat read");
+            exit(EXIT_FAILURE);
+        }
+        else if (!ret) {
+            fprintf(stderr, "read: Unexpected EOF!\n");
+            exit(EXIT_FAILURE);
+        }
+
+        /* NOTE: driver guarantees we read exactly one full entry */
+
+        entry->msg[entry->len] = '\0';
+
+        if (g_printBinary) {
+            printBinary(entry);
+        } else {
+            (void) processBuffer(entry);
+        }
+    }
+}
+
+static int clearLog(int logfd)
+{
+    return ioctl(logfd, LOGGER_FLUSH_LOG);
+}
+
+/* returns the total size of the log's ring buffer */
+static int getLogSize(int logfd)
+{
+    return ioctl(logfd, LOGGER_GET_LOG_BUF_SIZE);
+}
+
+/* returns the readable size of the log's ring buffer (that is, amount of the log consumed) */
+static int getLogReadableSize(int logfd)
+{
+    return ioctl(logfd, LOGGER_GET_LOG_LEN);
+}
+
+static void setupOutput()
+{
+
+    if (g_outputFileName == NULL) {
+        g_outFD = STDOUT_FILENO;
+
+    } else {
+        struct stat statbuf;
+
+        g_outFD = openLogFile (g_outputFileName);
+
+        if (g_outFD < 0) {
+            perror ("couldn't open output file");
+            exit(-1);
+        }
+
+        fstat(g_outFD, &statbuf);
+
+        g_outByteCount = statbuf.st_size;
+    }
+}
+
+static void show_help(const char *cmd)
+{
+    fprintf(stderr,"Usage: %s [options] [filterspecs]\n", cmd);
+
+    fprintf(stderr, "options include:\n"
+                    "  -s              Set default filter to silent.\n"
+                    "                  Like specifying filterspec '*:s'\n"
+                    "  -f <filename>   Log to file. Default to stdout\n"
+                    "  -r [<kbytes>]   Rotate log every kbytes. (16 if unspecified). Requires -f\n"
+                    "  -n <count>      Sets max number of rotated logs to <count>, default 4\n"
+                    "  -v <format>     Sets the log print format, where <format> is one of:\n\n"
+                    "                  brief process tag thread raw time threadtime long\n\n"
+                    "  -c              clear (flush) the entire log and exit\n"
+                    "  -d              dump the log and then exit (don't block)\n"
+                    "  -g              get the size of the log's ring buffer and exit\n"
+                    "  -b <buffer>     request alternate ring buffer\n"
+                    "                  ('main' (default), 'radio', 'events')\n"
+                    "  -B              output the log in binary");
+
+
+    fprintf(stderr,"\nfilterspecs are a series of \n"
+                   "  <tag>[:priority]\n\n"
+                   "where <tag> is a log component tag (or * for all) and priority is:\n"
+                   "  V    Verbose\n"
+                   "  D    Debug\n"
+                   "  I    Info\n"
+                   "  W    Warn\n"
+                   "  E    Error\n"
+                   "  F    Fatal\n"
+                   "  S    Silent (supress all output)\n"
+                   "\n'*' means '*:d' and <tag> by itself means <tag>:v\n"
+                   "\nIf not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS.\n"
+                   "If no filterspec is found, filter defaults to '*:I'\n"
+                   "\nIf not specified with -v, format is set from ANDROID_PRINTF_LOG\n"
+                   "or defaults to \"brief\"\n\n");
+
+
+
+}
+
+
+} /* namespace android */
+
+static int setLogFormat(const char * formatString)
+{
+    static AndroidLogPrintFormat format;
+
+    format = android_log_formatFromString(formatString);
+
+    if (format == FORMAT_OFF) {
+        // FORMAT_OFF means invalid string
+        return -1;
+    }
+
+    android_log_setPrintFormat(g_logformat, format);
+
+    return 0;
+}
+
+extern "C" void logprint_run_tests(void);
+
+int main (int argc, char **argv)
+{
+    int logfd;
+    int err;
+    int hasSetLogFormat = 0;
+    int clearLog = 0;
+    int getLogSize = 0;
+    int mode = O_RDONLY;
+    char *log_device = strdup("/dev/"LOGGER_LOG_MAIN);
+    const char *forceFilters = NULL;
+
+    g_logformat = android_log_format_new();
+
+    if (argc == 2 && 0 == strcmp(argv[1], "--test")) {
+        logprint_run_tests();
+        exit(0);
+    }
+
+    if (argc == 2 && 0 == strcmp(argv[1], "--help")) {
+        android::show_help(argv[0]);
+        exit(0);
+    }
+
+    for (;;) {
+        int ret;
+
+        ret = getopt(argc, argv, "cdgsQf:r::n:v:b:B");
+
+        if (ret < 0) {
+            break;
+        }
+
+        switch(ret) {
+            case 's': 
+                // default to all silent
+                android_log_addFilterRule(g_logformat, "*:s");
+            break;
+
+            case 'c':
+                clearLog = 1;
+                mode = O_WRONLY;
+            break;
+
+            case 'd':
+                mode |= O_NONBLOCK;
+            break;
+
+            case 'g':
+                getLogSize = 1;
+            break;
+
+            case 'b':
+                free(log_device);
+                log_device =
+                    (char*) malloc(strlen(LOG_FILE_DIR) + strlen(optarg) + 1);
+                strcpy(log_device, LOG_FILE_DIR);
+                strcat(log_device, optarg);
+
+                android::g_isBinary = (strcmp(optarg, "events") == 0);
+            break;
+
+            case 'B':
+                android::g_printBinary = 1;
+            break;
+
+            case 'f':
+                // redirect output to a file
+
+                android::g_outputFileName = optarg;
+
+            break;
+
+            case 'r':
+                if (optarg == NULL) {                
+                    android::g_logRotateSizeKBytes 
+                                = DEFAULT_LOG_ROTATE_SIZE_KBYTES;
+                } else {
+                    long logRotateSize;
+                    char *lastDigit;
+
+                    if (!isdigit(optarg[0])) {
+                        fprintf(stderr,"Invalid parameter to -r\n");
+                        android::show_help(argv[0]);
+                        exit(-1);
+                    }
+                    android::g_logRotateSizeKBytes = atoi(optarg);
+                }
+            break;
+
+            case 'n':
+                if (!isdigit(optarg[0])) {
+                    fprintf(stderr,"Invalid parameter to -r\n");
+                    android::show_help(argv[0]);
+                    exit(-1);
+                }
+
+                android::g_maxRotatedLogs = atoi(optarg);
+            break;
+
+            case 'v':
+                err = setLogFormat (optarg);
+                if (err < 0) {
+                    fprintf(stderr,"Invalid parameter to -v\n");
+                    android::show_help(argv[0]);
+                    exit(-1);
+                }
+
+                hasSetLogFormat = 1;
+            break;
+
+            case 'Q':
+                /* this is a *hidden* option used to start a version of logcat                 */
+                /* in an emulated device only. it basically looks for androidboot.logcat=      */
+                /* on the kernel command line. If something is found, it extracts a log filter */
+                /* and uses it to run the program. If nothing is found, the program should     */
+                /* quit immediately                                                            */
+#define  KERNEL_OPTION  "androidboot.logcat="
+#define  CONSOLE_OPTION "androidboot.console="
+                {
+                    int          fd;
+                    char*        logcat;
+                    char*        console;
+                    int          force_exit = 1;
+                    static char  cmdline[1024];
+
+                    fd = open("/proc/cmdline", O_RDONLY);
+                    if (fd >= 0) {
+                        int  n = read(fd, cmdline, sizeof(cmdline)-1 );
+                        if (n < 0) n = 0;
+                        cmdline[n] = 0;
+                        close(fd);
+                    } else {
+                        cmdline[0] = 0;
+                    }
+
+                    logcat  = strstr( cmdline, KERNEL_OPTION );
+                    console = strstr( cmdline, CONSOLE_OPTION );
+                    if (logcat != NULL) {
+                        char*  p = logcat + sizeof(KERNEL_OPTION)-1;;
+                        char*  q = strpbrk( p, " \t\n\r" );;
+
+                        if (q != NULL)
+                            *q = 0;
+
+                        forceFilters = p;
+                        force_exit   = 0;
+                    }
+                    /* if nothing found or invalid filters, exit quietly */
+                    if (force_exit)
+                        exit(0);
+
+                    /* redirect our output to the emulator console */
+                    if (console) {
+                        char*  p = console + sizeof(CONSOLE_OPTION)-1;
+                        char*  q = strpbrk( p, " \t\n\r" );
+                        char   devname[64];
+                        int    len;
+
+                        if (q != NULL) {
+                            len = q - p;
+                        } else
+                            len = strlen(p);
+
+                        len = snprintf( devname, sizeof(devname), "/dev/%.*s", len, p );
+                        fprintf(stderr, "logcat using %s (%d)\n", devname, len);
+                        if (len < (int)sizeof(devname)) {
+                            fd = open( devname, O_WRONLY );
+                            if (fd >= 0) {
+                                dup2(fd, 1);
+                                dup2(fd, 2);
+                                close(fd);
+                            }
+                        }
+                    }
+                }
+                break;
+
+            default:
+                fprintf(stderr,"Unrecognized Option\n");
+                android::show_help(argv[0]);
+                exit(-1);
+            break;
+        }
+    }
+
+    if (android::g_logRotateSizeKBytes != 0 
+        && android::g_outputFileName == NULL
+    ) {
+        fprintf(stderr,"-r requires -f as well\n");
+        android::show_help(argv[0]);
+        exit(-1);
+    }
+
+    android::setupOutput();
+
+    if (hasSetLogFormat == 0) {
+        const char* logFormat = getenv("ANDROID_PRINTF_LOG");
+
+        if (logFormat != NULL) {
+            err = setLogFormat(logFormat);
+
+            if (err < 0) {
+                fprintf(stderr, "invalid format in ANDROID_PRINTF_LOG '%s'\n", 
+                                    logFormat);
+            }
+        }
+    }
+
+    if (forceFilters) {
+        err = android_log_addFilterString(g_logformat, forceFilters);
+        if (err < 0) {
+            fprintf (stderr, "Invalid filter expression in -logcat option\n");
+            exit(0);
+        }
+    } else if (argc == optind) {
+        // Add from environment variable
+        char *env_tags_orig = getenv("ANDROID_LOG_TAGS");
+
+        if (env_tags_orig != NULL) {
+            err = android_log_addFilterString(g_logformat, env_tags_orig);
+
+            if (err < 0) { 
+                fprintf(stderr, "Invalid filter expression in" 
+                                    " ANDROID_LOG_TAGS\n");
+                android::show_help(argv[0]);
+                exit(-1);
+            }
+        }
+    } else {
+        // Add from commandline
+        for (int i = optind ; i < argc ; i++) {
+            err = android_log_addFilterString(g_logformat, argv[i]);
+
+            if (err < 0) { 
+                fprintf (stderr, "Invalid filter expression '%s'\n", argv[i]);
+                android::show_help(argv[0]);
+                exit(-1);
+            }
+        }
+    }
+
+    logfd = open(log_device, mode);
+    if (logfd < 0) {
+        fprintf(stderr, "Unable to open log device '%s': %s\n",
+            log_device, strerror(errno));
+        exit(EXIT_FAILURE);
+    }
+
+    if (clearLog) {
+        int ret;
+        ret = android::clearLog(logfd);
+        if (ret) {
+            perror("ioctl");
+            exit(EXIT_FAILURE);
+        }
+        return 0;
+    }
+
+    if (getLogSize) {
+        int size, readable;
+
+        size = android::getLogSize(logfd);
+        if (size < 0) {
+            perror("ioctl");
+            exit(EXIT_FAILURE);
+        }
+
+        readable = android::getLogReadableSize(logfd);
+        if (readable < 0) {
+            perror("ioctl");
+            exit(EXIT_FAILURE);
+        }
+
+        printf("ring buffer is %dKb (%dKb consumed), "
+               "max entry is %db, max payload is %db\n",
+               size / 1024, readable / 1024,
+               (int) LOGGER_ENTRY_MAX_LEN, (int) LOGGER_ENTRY_MAX_PAYLOAD);
+        return 0;
+    }
+
+    //LOG_EVENT_INT(10, 12345);
+    //LOG_EVENT_LONG(11, 0x1122334455667788LL);
+    //LOG_EVENT_STRING(0, "whassup, doc?");
+
+    if (android::g_isBinary)
+        android::g_eventTagMap = android_openEventTagMap(EVENT_TAG_MAP_FILE);
+
+    android::readLogLines(logfd);
+
+    return 0;
+}