a53ec324bd
This tracepoint gives systrace the means to display the reason for uninterruptible sleep. bug 23350688 Change-Id: Iaf9c929fe1169f8872a7f8135343950aa322b0f5
37 lines
2 KiB
Text
37 lines
2 KiB
Text
## Permissions to allow system-wide tracing to the kernel trace buffer.
|
|
##
|
|
on boot
|
|
|
|
# Allow writing to the kernel trace log.
|
|
chmod 0222 /sys/kernel/debug/tracing/trace_marker
|
|
|
|
# Allow the shell group to enable (some) kernel tracing.
|
|
chown root shell /sys/kernel/debug/tracing/trace_clock
|
|
chown root shell /sys/kernel/debug/tracing/buffer_size_kb
|
|
chown root shell /sys/kernel/debug/tracing/options/overwrite
|
|
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
|
|
chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
|
|
chown root shell /sys/kernel/debug/tracing/tracing_on
|
|
|
|
chmod 0664 /sys/kernel/debug/tracing/trace_clock
|
|
chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb
|
|
chmod 0664 /sys/kernel/debug/tracing/options/overwrite
|
|
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
|
|
chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
|
|
chmod 0664 /sys/kernel/debug/tracing/tracing_on
|
|
|
|
# Allow only the shell group to read and truncate the kernel trace.
|
|
chown root shell /sys/kernel/debug/tracing/trace
|
|
chmod 0660 /sys/kernel/debug/tracing/trace
|