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platform_system_core/logd
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Mark Salyzyn 7391575afd logd: in nonblocking read, sched_yield() synchronization 
- sched_yield and lock synchronization in reader thread
  startup to give writer thread a chance to catch up

(cherry picked from commit f669acb018)

Bug: 17512203
Change-Id: I43cf0b4e2829b22b3ab4e537fa95ce13c76a869c
 		2014-09-29 11:09:22 -07:00
..
tests logd: test: disable kernel LOGGER 2014-07-10 13:31:57 -07:00
Android.mk logd: logcat: debuggerd: auditd logs to events 2014-05-15 08:50:50 -07:00
CommandListener.cpp logd: Allow apps to clear their UID-specific data 2014-06-13 08:06:14 -07:00
CommandListener.h logd: libsysutils: logd startup outside init environment 2014-04-17 16:14:24 +00:00
FlushCommand.cpp logd: liblog: logcat: Arbitrary time to tail 2014-03-14 10:23:51 -07:00
FlushCommand.h logd: liblog: logcat: Arbitrary time to tail 2014-03-14 10:23:51 -07:00
LogAudit.cpp logd: logcat: debuggerd: audit logs to events and main 2014-05-27 14:29:56 -07:00
LogAudit.h logd: auditd: add logd.auditd.dmesg property 2014-04-07 10:51:00 -07:00
LogBuffer.cpp logd: Allow apps to clear their UID-specific data 2014-06-13 08:06:14 -07:00
LogBuffer.h logd: Allow apps to clear their UID-specific data 2014-06-13 08:06:14 -07:00
LogBufferElement.cpp logd: liblog: Thread IDs missing from logcat -v thread 2014-03-21 10:37:44 -07:00
LogBufferElement.h logd: liblog: Thread IDs missing from logcat -v thread 2014-03-21 10:37:44 -07:00
LogCommand.cpp init: logd: Allow Developer settings to adjust logd size 2014-05-13 07:42:15 -07:00
LogCommand.h logd: institute getGroups for socket credentials 2014-02-28 13:48:33 -08:00
LogListener.cpp logd: build breakage in git_master-nova @ 1151709 2014-05-02 15:47:24 -07:00
LogListener.h logd: initial checkin. 2014-02-26 09:52:35 -08:00
LogReader.cpp logd: in nonblocking read, sched_yield() synchronization 2014-09-29 11:09:22 -07:00
LogReader.h logd: libsysutils: logd startup outside init environment 2014-04-17 16:14:24 +00:00
LogStatistics.cpp Fix for parenthesis error 2014-09-04 11:17:40 -07:00
LogStatistics.h logd: oneline statistics does not report PID gone 2014-05-01 10:20:51 -07:00
LogTimes.cpp logd: simplification, return NULL instead of threadexit NULL 2014-09-01 10:42:04 -07:00
LogTimes.h logd: persistent reader threads 2014-08-08 07:40:33 -07:00
LogWhiteBlackList.cpp logd: default off by-UID spam filter 2014-05-06 13:50:28 -07:00
LogWhiteBlackList.h logd: liblog: logcat: Add LogWhiteBlackList 2014-03-13 14:48:07 -07:00
README.auditd logd: selinux auditd initial commit 2014-04-07 10:51:00 -07:00
README.property logd: logcat: Add persist.logd.size group of properties 2014-05-06 14:58:41 -07:00
event.logtags logd: logcat: debuggerd: auditd logs to events 2014-05-15 08:50:50 -07:00
libaudit.c logd: selinux auditd initial commit 2014-04-07 10:51:00 -07:00
libaudit.h logd: selinux auditd initial commit 2014-04-07 10:51:00 -07:00
main.cpp Fix implicit declaration of function 'prctl' in logd. 2014-07-18 17:40:52 -07:00

README.property 

The properties that logd responds to are:

name                       type default  description
logd.auditd                 bool  true   Enable selinux audit daemon
logd.auditd.dmesg           bool  true   selinux audit messages duplicated and
                                         sent on to dmesg log
logd.statistics.dgram_qlen  bool  false  Record dgram_qlen statistics. This
                                         represents a performance impact and
                                         is used to determine the platform's
                                         minimum domain socket network FIFO
                                         size (see source for details) based
                                         on typical load (logcat -S to view)
persist.logd.size          number 256K   default size of the buffer for all
                                         log ids at initial startup, at runtime
                                         use: logcat -b all -G <value>
persist.logd.size.main     number 256K   Size of the buffer for the main log
persist.logd.size.system   number 256K   Size of the buffer for the system log
persist.logd.size.radio    number 256K   Size of the buffer for the radio log
persist.logd.size.event    number 256K   Size of the buffer for the event log
persist.logd.size.crash    number 256K   Size of the buffer for the crash log

NB:
- number support multipliers (K or M) for convenience. Range is limited
  to between 64K and 256M for log buffer sizes. Individual logs override the
  global default.