# Set enableflags for boot Systrace
on early-init && property:ro.boot.boot_trace=1
    setprop debug.atrace.tags.enableflags 0x1fffffe

    #Trace SystemUI App for booting
    setprop debug.atrace.app_number 1
    setprop debug.atrace.app_0 "com.android.systemui"

# re-triger trace after atrace.rc disable tracing_on on late-init
on late-init && property:ro.boot.boot_trace=1
   write /sys/kernel/tracing/tracing_on 1

on property:persist.vendor.boot_trace=1
   write /proc/bootprof "Persist boot_trace trigger"
   write /sys/devices/system/cpu/perf/enable 1

   # enable flags for boot Systrace
   setprop debug.atrace.tags.enableflags 0x1fffffe

   # enable events
   write /sys/kernel/tracing/events/power/cpu_frequency/enable 1
   write /sys/kernel/tracing/events/sched/sched_wakeup/enable 1
   write /sys/kernel/tracing/events/sched/sched_wakeup_new/enable 1
   write /sys/kernel/tracing/events/sched/sched_switch/enable 1
   write /sys/kernel/tracing/events/sched/sched_blocked_reason/enable 1
   write /sys/kernel/tracing/events/mtk_ftrace/enable 1
   write /sys/kernel/tracing/events/perf_tracker/enable 1
   write /sys/kernel/tracing/events/android_fs/enable 1
   write /sys/kernel/tracing/events/block/block_rq_issue/enable 1
   write /sys/kernel/tracing/events/block/block_rq_insert/enable 1
   write /sys/kernel/tracing/events/block/block_rq_complete/enable 1
   write /sys/kernel/tracing/events/workqueue/workqueue_execute_start/enable 1
   write /sys/kernel/tracing/events/workqueue/workqueue_execute_end/enable 1

   # Configuare ftrace
   write /sys/kernel/tracing/buffer_size_kb "24576"
   write /sys/kernel/tracing/trace_options "nooverwrite"
   write /sys/kernel/tracing/tracing_on 1

   #Trace SystemUI App for booting
   setprop debug.atrace.app_number 1
   setprop debug.atrace.app_0 "com.android.systemui"

on property:sys.boot_completed=* && property:persist.vendor.boot_trace=1
   #force to disable boot ftrace after boot complete.
   write /sys/devices/system/cpu/perf/enable 0
   write /sys/kernel/debug/tracing/tracing_on 0