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Commit 557a9d40 authored by Mark Salyzyn's avatar Mark Salyzyn
Browse files

bootstat: reduce overall boot time 

Run bootstat as a oneshot service rather than as a series of inline
exec commands.  exec commands impact boot time.

Test: cts-tradefed run cts-dev --module CtsBootStatsTestCases
      system/core/bootstat/boot_reason_test.sh all
         (make sure it filters out new init reports)
Bug: 65736247
Change-Id: Ic9d509a8cbee4bc1e278081de1001e25ae0915fd
parent 8a30fcab

bootstat/boot_reason_test.sh

+2 −0
Original line number Diff line number Diff line
@@ -176,6 +176,8 @@ 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 (sys.boot_completed=1 && sys.logbootcomplete=1) from (/system/etc/init/bootstat.rc

 (/system/bin/bootstat --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:

bootstat/bootstat.rc

+2 −8
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ on post-fs-data 
# property:init.svc.bootanim=running: The boot animation is running

# property:ro.crypto.type=block: FDE device

on post-fs-data && property:init.svc.bootanim=running && property:ro.crypto.type=block

    exec - system log -- /system/bin/bootstat -r post_decrypt_time_elapsed

    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
@@ -69,13 +69,7 @@ on property:init.svc.zygote=stopping 
# Record boot complete metrics.

on property:sys.boot_completed=1 && property:sys.logbootcomplete=1

    # Record boot_complete and related stats (decryption, etc).

    exec - system log -- /system/bin/bootstat --record_boot_complete



    # Record the boot reason.

    exec - system log -- /system/bin/bootstat --record_boot_reason



    # Record time since factory reset.

    exec - system log -- /system/bin/bootstat --record_time_since_factory_reset



    # Log all boot events.

    exec - system log -- /system/bin/bootstat -l
 
    exec_background - system log -- /system/bin/bootstat --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l