Add support for new sched kernel tracepoint
This tracepoint gives systrace the means to display the reason
for uninterruptible sleep.
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 3c9d899..decaded 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -96,6 +96,7 @@
{ "sched", "CPU Scheduling", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },
+ { OPT, "/sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable" },
} },
{ "irq", "IRQ Events", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/irq/enable" },
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index cde9c37..3373192 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -12,6 +12,7 @@
chown root shell /sys/kernel/debug/tracing/options/print-tgid
chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable
chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
+ chown root shell /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable
chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable
chown root shell /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
@@ -34,6 +35,7 @@
chmod 0664 /sys/kernel/debug/tracing/options/print-tgid
chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable
chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
+ chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable
chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable
chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable