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- ## 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/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/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/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/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
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