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
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index f65f4f8..70164ea 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -125,6 +125,7 @@
{ 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, {
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