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Merge "Don't retrigger bootstat during userspace reboot." am: 64e28438c8

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Change-Id: I160bbc6da4722bb9692866a164905181e0dbf09d
This commit is contained in:
Automerger Merge Worker 2020-02-03 17:11:40 +00:00
commit 5ebeb57439
2 changed files with 28 additions and 28 deletions
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20
bootstat/boot_reason_test.sh
View file

@ -7,7 +7,7 @@
# - watch adb logcat -b all -d -s bootstat
# - watch adb logcat -b all -d | audit2allow
# - wait until screen is up, boot has completed, can mean wait for
# sys.boot_completed=1 and sys.logbootcomplete=1 to be true
# sys.boot_completed=1 and sys.bootstat.first_boot_completed=1 to be true
#
# All test frames, and nothing else, must be function names prefixed and
# specifiged with the pattern 'test_<test>() {' as this is also how the
@ -230,13 +230,13 @@ wait_for_screen() {
if [ -n "`get_property sys.boot.reason`" ]
then
vals=`get_property |
sed -n 's/[[]sys[.]\(boot_completed\|logbootcomplete\)[]]: [[]\([01]\)[]]$/\1=\2/p'`
if [ "${vals}" = "`echo boot_completed=1 ; echo logbootcomplete=1`" ]
sed -n 's/[[]sys[.]\(boot_completed\|bootstat.first_boot_completed\)[]]: [[]\([01]\)[]]$/\1=\2/p'`
if [ "${vals}" = "`echo boot_completed=1 ; echo bootstat.first_boot_completed=1`" ]
then
sleep 1
break
fi
if [ "${vals}" = "`echo logbootcomplete=1 ; echo boot_completed=1`" ]
if [ "${vals}" = "`echo bootstat.first_boot_completed=1 ; echo boot_completed=1`" ]
then
sleep 1
break
@ -384,15 +384,15 @@ init : processing action (post-fs-data) from (/system/etc/init/bootstat.rc
init : processing action (boot) from (/system/etc/init/bootstat.rc
init : processing action (ro.boot.bootreason=*) from (/system/etc/init/bootstat.rc
init : processing action (ro.boot.bootreason=* && post-fs) from (/system/etc/init/bootstat.rc
init : processing action (zygote-start) from (/system/etc/init/bootstat.rc
init : processing action (sys.boot_completed=1 && sys.logbootcomplete=1) from (/system/etc/init/bootstat.rc
init : processing action (sys.bootstat.first_zygote_start=0 && zygote-start) from (/system/etc/init/bootstat.rc
init : processing action (sys.boot_completed=1 && sys.bootstat.first_boot_completed=0) from (/system/etc/init/bootstat.rc
(/system/bin/bootstat --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
(/system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
(/system/bin/bootstat -r post_decrypt_time_elapsed)'
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_complete' action=sys.boot_completed=1 && sys.logbootcomplete=1 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_reason' action=sys.boot_completed=1 && sys.logbootcomplete=1 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_time_since_factory_reset' action=sys.boot_completed=1 && sys.logbootcomplete=1 (/system/etc/init/bootstat.rc:
init : Command 'exec_background - system log -- /system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l' action=sys.boot_completed=1 && sys.logbootcomplete=1 (/system/etc/init/bootstat.rc
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_complete' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_boot_reason' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
init : Command 'exec - system log -- /system/bin/bootstat --record_time_since_factory_reset' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc:
init : Command 'exec_background - system log -- /system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l' action=sys.boot_completed=1 && sys.bootstat.first_boot_completed=0 (/system/etc/init/bootstat.rc
(/system/bin/bootstat --record_boot_complete)'...
(/system/bin/bootstat --record_boot_complete)' (pid${SPACE}
(/system/bin/bootstat --record_boot_reason)'...

36
bootstat/bootstat.rc
View file

@ -50,34 +50,34 @@ on post-fs-data
on post-fs-data && property:init.svc.bootanim=running && property:ro.crypto.type=block
exec_background - system log -- /system/bin/bootstat -r post_decrypt_time_elapsed
# sys.logbootcomplete is a signal to enable the bootstat logging mechanism.
# This signaling is necessary to prevent logging boot metrics after a runtime
# restart (e.g., adb shell stop && adb shell start). /proc/uptime is not reset
# during a runtime restart, which leads to false boot time metrics being reported.
# Initialize bootstat state machine.
#
# The 'on boot' event occurs once per hard boot (device power on), which
# switches the flag on. If the device performs a runtime restart, the flag is
# switched off and cannot be switched on until the device hard boots again.
# Enable bootstat logging on boot.
on boot
setprop sys.logbootcomplete 1
# Disable further bootstat logging on a runtime restart. A runtime restart is
# signaled by the zygote stopping.
on property:init.svc.zygote=stopping
setprop sys.logbootcomplete 0
# sys.bootstat.first_boot_completed: responsible for making sure that record_boot_complete happens
# only once per device hard reboot. Possible values:
#
# sys.bootstat.first_boot_completed=0 - first boot completed trigger wasn't processed yet.
# sys.bootstat.first_boot_completed=1 - first boot completed trigger was processed and
# record_boot_complete was called. Subsequent boot completed
# triggers (e.g. due to userspace reboot) won't retrigger
# record_boot_complete
#
# IMPORTANT, ro.persistent_properties.ready=1 trigger is used here to ensure that we initialize
# state machine only once, which as result ensures that bootstat --set_system_boot_reason and
# bootstat --record_boot_complete will be called only once per full reboot.
on property:ro.persistent_properties.ready=true
setprop sys.bootstat.first_boot_completed 0
# Set boot reason
on zygote-start
on property:ro.persistent_properties.ready=true
# Converts bootloader boot reason and persist.sys.boot.reason to system boot reason
# Need go after persist peroperties are loaded which is right before zygote-start trigger
exec_background - system log -- /system/bin/bootstat --set_system_boot_reason
# Record boot complete metrics.
on property:sys.boot_completed=1 && property:sys.logbootcomplete=1
on property:sys.boot_completed=1 && property:sys.bootstat.first_boot_completed=0
# Record boot_complete and related stats (decryption, etc).
# Record the boot reason.
# Record time since factory reset.
# Log all boot events.
exec_background - system log -- /system/bin/bootstat --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l
setprop sys.bootstat.first_boot_completed 1