| ## 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/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/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 |