on late-init
    # vendor graphics trace points
    chmod 0666 /sys/kernel/debug/tracing/events/sde/enable
    chmod 0666 /sys/kernel/tracing/events/sde/enable
    chmod 0666 /sys/kernel/debug/tracing/events/mdss/enable
    chmod 0666 /sys/kernel/tracing/events/mdss/enable
    chmod 0666 /sys/kernel/debug/tracing/events/mali_systrace/enable
    chmod 0666 /sys/kernel/tracing/events/mali_systrace/enable
    # ion allocation trace point
    chmod 0666 /sys/kernel/debug/tracing/events/kmem/ion_alloc_buffer_start/enable
    chmod 0666 /sys/kernel/tracing/events/kmem/ion_alloc_buffer_start/enable

service vendor.atrace-hal-1-0 /vendor/bin/hw/android.hardware.atrace@1.0-service
    interface android.hardware.atrace@1.0::IAtraceDevice default
    class early_hal
    user system
    group system readtracefs