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Commit ca49dfcc authored by Wei Wang's avatar Wei Wang
Browse files

atrace: add priority inheritance trace point 

Task's prio can be changed in rt_mutex_setprio to avoid priority
inversion.

Test: Take a trace and check the new trace point
Bug: 78480031
Change-Id: I2989bfdeeec658300fb73c020bb447970b23bcf7
parent 8c533232

cmds/atrace/atrace.cpp

+1 −0
Original line number Diff line number Diff line
@@ -125,6 +125,7 @@ static const TracingCategory k_categories[] = { 
        { OPT,      "events/sched/sched_waking/enable" },

        { OPT,      "events/sched/sched_blocked_reason/enable" },

        { OPT,      "events/sched/sched_cpu_hotplug/enable" },

        { OPT,      "events/sched/sched_pi_setprio/enable" },

        { OPT,      "events/cgroup/enable" },

    } },

    { "irq",        "IRQ Events",   0, {

cmds/atrace/atrace.rc

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ on post-fs 
    chmod 0666 /sys/kernel/tracing/events/sched/sched_blocked_reason/enable

    chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_cpu_hotplug/enable

    chmod 0666 /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable

    chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_pi_setprio/enable

    chmod 0666 /sys/kernel/tracing/events/sched/sched_pi_setprio/enable

    chmod 0666 /sys/kernel/debug/tracing/events/cgroup/enable

    chmod 0666 /sys/kernel/tracing/events/cgroup/enable

    chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable