platform_system_core/logd/README.property
Mark Salyzyn a0e53540da logd: Add control statistics enable/disable.
- ro.build.type=user turn off statistics
- ro.config.low_ram=true turn off statistics
- logd.statistics override

(cherry pick from commit f5fc509589)

Bug: 17526159
Bug: 17526187
Change-Id: I74796043ac34753c6dd10018719ebc0bcd94e00f
2014-10-08 14:01:45 -07:00

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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 bool depends Enable logcat -S statistics.
ro.config.low_ram bool false if true, logd.statistics default false
ro.build.type string if user, logd.statistics default false
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.