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Commit 712d586f authored by Yabin Cui's avatar Yabin Cui Committed by android-build-merger
Browse files

Merge "Add debug system properties to control profiling limits." am: 1db37892 am: 329e12fb 

am: c4df73c1

Change-Id: I4b731d3e0abcd692876d20ebe788d5fc14681bd3
parents ce66defc c4df73c1

rootdir/init.rc

+3 −0
Original line number Diff line number Diff line
@@ -737,6 +737,9 @@ on property:sys.sysctl.tcp_def_init_rwnd=* 


on property:security.perf_harden=0

    write /proc/sys/kernel/perf_event_paranoid 1

    write /proc/sys/kernel/perf_event_max_sample_rate ${debug.perf_event_max_sample_rate:-100000}

    write /proc/sys/kernel/perf_cpu_time_max_percent ${debug.perf_cpu_time_max_percent:-25}

    write /proc/sys/kernel/perf_event_mlock_kb ${debug.perf_event_mlock_kb:-516}



on property:security.perf_harden=1

    write /proc/sys/kernel/perf_event_paranoid 3