commit ca49dfccbadab5ac57d4f8bb31b2a6a0a51c0fb2
author Wei Wang <wvw@google.com> Thu May 03 15:45:20 2018 -0700
committer Wei Wang <wvw@google.com> Fri May 04 13:40:44 2018 -0700
tree eae58c3fe1024e2127a431587b17e4a6086a1641
parent 8c533232326f40f474fff0125e1f4d55260a547b

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

cmds/atrace/atrace.rc

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 8421568..c9e43fd 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -29,6 +29,8 @@
     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