Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 007ddc56 authored by Nikita Ioffe's avatar Nikita Ioffe
Browse files

Set up file permissions for hyp tracing instance 

Bug: 249050813
Test: adb shell ls -alZ /sys/kernel/tracing/hyp
Test: record hyp events via perfetto
Change-Id: I7a9090591828e4c16069b081b0794350ca839376
parent 6b8b7998

cmds/atrace/atrace.rc

+97 −0
Original line number Diff line number Diff line
@@ -398,6 +398,103 @@ on post-fs-data && property:persist.mm_events.enabled=true 
    chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/per_cpu/cpu23/trace

    chmod 0666 /sys/kernel/tracing/instances/mm_events/per_cpu/cpu23/trace



# Handle hyp tracing instance

on late-init && property:ro.boot.hypervisor.vm.supported=1



# Hypervisor tracing instance doesn't support changing trace_clock

    chmod 0440 /sys/kernel/debug/tracing/hyp/trace_clock

    chmod 0440 /sys/kernel/tracing/hyp/trace_clock



    chmod 0660 /sys/kernel/debug/tracing/hyp/buffer_size_kb

    chmod 0660 /sys/kernel/tracing/hyp/buffer_size_kb



    chmod 0660 /sys/kernel/debug/tracing/hyp/tracing_on

    chmod 0660 /sys/kernel/tracing/hyp/tracing_on



# Tracing disabled by default

    write /sys/kernel/debug/tracing/hyp/tracing_on 0

    write /sys/kernel/tracing/hyp/tracing_on 0



# Read and truncate the hyp trace.

    chmod 0660 /sys/kernel/debug/tracing/hyp/trace

    chmod 0660 /sys/kernel/tracing/hyp/trace



# Read and truncate the per-CPU kernel trace.

# Cannot use wildcards in .rc files. Update this if there is a phone with

# TODO(b/249050813, ioffe): introduce per-cpu wildcard

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu0/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu0/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu1/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu1/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu2/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu2/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu3/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu3/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu4/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu4/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu5/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu5/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu6/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu6/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu7/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu7/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu8/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu8/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu9/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu9/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu10/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu10/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu11/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu11/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu12/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu12/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu13/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu13/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu14/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu14/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu15/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu15/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu16/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu16/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu17/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu17/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu18/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu18/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu19/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu19/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu20/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu20/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu21/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu21/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu22/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu22/trace

    chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu23/trace

    chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu23/trace



    chmod 0440 /sys/kernel/debug/tracing/hyp/events/header_page

    chmod 0440 /sys/kernel/tracing/hyp/events/header_page



# Hyp events start here



# hyp_enter event

    chmod 0660 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/enable

    chmod 0660 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/enable

# TODO(b/249050813): should this be handled in kernel?

    chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/format

    chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/format

    chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/id

    chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/id



# hyp_exit event

    chmod 0660 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/enable

    chmod 0660 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/enable

# TODO(b/249050813): should this be handled in kernel?

    chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/format

    chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/format

    chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/id

    chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/id





on property:persist.debug.atrace.boottrace=1

    start boottrace