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Commit 854ed748 authored by Lakshman Annadorai's avatar Lakshman Annadorai
Browse files

Check mm_events persistent property after persistent properties are ready during boot. 

Test: adb shell setprop persist.mm_events.enabled true; adb reboot \
      adb shell ls /sys/kernel/tracing/instances/mm_events -> Exists
Fixes: 324600722

Change-Id: I091ca35f48e4baf8b6b5c24fba325f1dcae6b8b7
parent dd8bd19f

cmds/atrace/atrace.rc

+4 −1
Original line number Diff line number Diff line
@@ -317,7 +317,7 @@ on late-init && property:ro.boot.fastboot.boottrace= 
# Only create the tracing instance if persist.mm_events.enabled

# Attempting to remove the tracing instance after it has been created

# will likely fail with EBUSY as it would be in use by traced_probes.

on post-fs-data && property:persist.mm_events.enabled=true

on mm_events_property_available && property:persist.mm_events.enabled=true

# Create MM Events Tracing Instance for Kmem Activity Trigger

    mkdir /sys/kernel/debug/tracing/instances/mm_events 0755 system system

    mkdir /sys/kernel/tracing/instances/mm_events 0755 system system
@@ -402,6 +402,9 @@ 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



on property:ro.persistent_properties.ready=true

    trigger mm_events_property_available



# Handle hyp tracing instance

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