projects / GitHub / mt8127 / ttab-system.git / blame
| Commit | Line | Data |
|---|---|---|
| d05bb22f S |
1 | ## Permissions to allow system-wide tracing to the kernel trace buffer. |
| 2 | ## | |
| 3 | on early-boot | |
| 4 | ||
| 5 | # Allow writing to the kernel trace log. | |
| 6 | mount debugfs debugfs /sys/kernel/debug | |
| 7 | chmod 0755 /sys/kernel/debug | |
| 8 | chmod 0222 /sys/kernel/debug/tracing/trace_marker | |
| 9 | ||
| 10 | # Allow the shell group to enable (some) kernel tracing. | |
| 11 | chown root shell /sys/kernel/debug/tracing/trace_clock | |
| 12 | chown system shell /sys/kernel/debug/tracing/buffer_size_kb | |
| 13 | chown root shell /sys/kernel/debug/tracing/options/overwrite | |
| 14 | chown root shell /sys/kernel/debug/tracing/options/record-cmd | |
| 15 | chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable | |
| 16 | chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable | |
| 17 | chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable | |
| 18 | chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable | |
| 19 | chown root shell /sys/kernel/debug/tracing/events/power/clock_set_rate/enable | |
| 20 | chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable | |
| 21 | # change to system owner for AMS to control | |
| 22 | chown system shell /sys/kernel/debug/tracing/tracing_on | |
| 23 | chown system shell /sys/kernel/debug/tracing/tracing_enabled | |
| 24 | chown root shell /sys/kernel/debug/tracing/set_event | |
| 25 | ||
| 26 | chmod 0664 /sys/kernel/debug/tracing/trace_clock | |
| 27 | chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb | |
| 28 | chmod 0664 /sys/kernel/debug/tracing/options/overwrite | |
| 29 | chmod 0664 /sys/kernel/debug/tracing/options/record-cmd | |
| 30 | chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable | |
| 31 | chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable | |
| 32 | chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable | |
| 33 | chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable | |
| 34 | chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable | |
| 35 | chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable | |
| 36 | chmod 0664 /sys/kernel/debug/tracing/tracing_on | |
| 37 | chmod 0664 /sys/kernel/debug/tracing/tracing_enabled | |
| 38 | chmod 0664 /sys/kernel/debug/tracing/set_event | |
| 39 | ||
| 40 | # Allow only the shell group to read and truncate the kernel trace. | |
| 41 | chown system shell /sys/kernel/debug/tracing/trace | |
| 42 | chmod 0664 /sys/kernel/debug/tracing/trace |