49ed105fd9
(cherry pick from commit 100658c303)
- logpersistd is defined as a thread or process in the context of the
logd domain. Here we define logpersistd as logcat -f in logd domain
and call it logcatd to represent its service mechanics.
- Use logcatd to manage content in /data/misc/logd/ directory.
- Only turn on for persist.logd.logpersistd = logcatd.
- Add logpersist.start, logpersist.stop and logpersist.cat debug
class executables, thus only in the eng and userdebug builds.
ToDo: Wish to add Developer Options menu to turn this feature on or
off, complicated by the fact that user builds have no tools with
access rights to /data/misc/logd.
Bug: 19608716
Change-Id: I57ad757f121c473d04f9fabe9d4820a0eca06f31
27 lines
1.6 KiB
Text
27 lines
1.6 KiB
Text
The properties that logd responds to are:
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name type default description
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logd.auditd bool true Enable selinux audit daemon
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logd.auditd.dmesg bool true selinux audit messages duplicated and
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sent on to dmesg log
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logd.klogd bool depends Enable klogd daemon
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logd.statistics bool depends Enable logcat -S statistics.
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ro.config.low_ram bool false if true, logd.statistics & logd.klogd
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default false
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ro.build.type string if user, logd.statistics & logd.klogd
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default false
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persist.logd.logpersistd string Enable logpersist daemon, "logcatd"
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turns on logcat -f in logd context
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persist.logd.size number 256K default size of the buffer for all
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log ids at initial startup, at runtime
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use: logcat -b all -G <value>
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persist.logd.size.main number 256K Size of the buffer for the main log
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persist.logd.size.system number 256K Size of the buffer for the system log
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persist.logd.size.radio number 256K Size of the buffer for the radio log
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persist.logd.size.event number 256K Size of the buffer for the event log
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persist.logd.size.crash number 256K Size of the buffer for the crash log
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NB:
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- number support multipliers (K or M) for convenience. Range is limited
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to between 64K and 256M for log buffer sizes. Individual logs override the
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global default.
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