473a50f168
(cherry pick from commit 89357d23a1)
debugfs is mounted on boot
Bug: 21566233
Change-Id: I2ba106fbb1e8164ff3d8b2d5b16a16d7926c2732
35 lines
1.9 KiB
Text
35 lines
1.9 KiB
Text
## Permissions to allow system-wide tracing to the kernel trace buffer.
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##
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on boot
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# Allow writing to the kernel trace log.
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chmod 0222 /sys/kernel/debug/tracing/trace_marker
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# Allow the shell group to enable (some) kernel tracing.
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chown root shell /sys/kernel/debug/tracing/trace_clock
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chown root shell /sys/kernel/debug/tracing/buffer_size_kb
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chown root shell /sys/kernel/debug/tracing/options/overwrite
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chown root shell /sys/kernel/debug/tracing/options/print-tgid
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chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable
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chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
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chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
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chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable
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chown root shell /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
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chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
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chown root shell /sys/kernel/debug/tracing/tracing_on
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chmod 0664 /sys/kernel/debug/tracing/trace_clock
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chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb
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chmod 0664 /sys/kernel/debug/tracing/options/overwrite
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chmod 0664 /sys/kernel/debug/tracing/options/print-tgid
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chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable
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chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
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chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
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chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable
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chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
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chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
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chmod 0664 /sys/kernel/debug/tracing/tracing_on
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# Allow only the shell group to read and truncate the kernel trace.
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chown root shell /sys/kernel/debug/tracing/trace
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chmod 0660 /sys/kernel/debug/tracing/trace
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