| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 1 | ## Permissions to allow system-wide tracing to the kernel trace buffer. |
| 2 | ## |
| 3 | on boot |
| 4 | |
| 5 | # Allow writing to the kernel trace log. |
| 6 | chmod 0222 /sys/kernel/debug/tracing/trace_marker |
| 7 | |
| 8 | # Allow the shell group to enable (some) kernel tracing. |
| 9 | chown root shell /sys/kernel/debug/tracing/trace_clock |
| 10 | chown root shell /sys/kernel/debug/tracing/buffer_size_kb |
| 11 | chown root shell /sys/kernel/debug/tracing/options/overwrite |
| 12 | chown root shell /sys/kernel/debug/tracing/options/print-tgid |
| 13 | chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable |
| 14 | chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable |
| Riley Andrews | 5672bb7 | 2015-11-19 13:31:17 -0800 | [diff] [blame] | 15 | chown root shell /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 16 | chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable |
| 17 | chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable |
| 18 | chown root shell /sys/kernel/debug/tracing/events/power/clock_set_rate/enable |
| 19 | chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable |
| 20 | chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable |
| 21 | chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable |
| 22 | chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable |
| 23 | chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable |
| 24 | chown root shell /sys/kernel/debug/tracing/events/binder/binder_transaction/enable |
| 25 | chown root shell /sys/kernel/debug/tracing/events/binder/binder_transaction_received/enable |
| 26 | chown root shell /sys/kernel/debug/tracing/events/binder/binder_lock/enable |
| 27 | chown root shell /sys/kernel/debug/tracing/events/binder/binder_locked/enable |
| 28 | chown root shell /sys/kernel/debug/tracing/events/binder/binder_unlock/enable |
| 29 | |
| 30 | chown root shell /sys/kernel/debug/tracing/tracing_on |
| 31 | |
| 32 | chmod 0664 /sys/kernel/debug/tracing/trace_clock |
| 33 | chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb |
| 34 | chmod 0664 /sys/kernel/debug/tracing/options/overwrite |
| 35 | chmod 0664 /sys/kernel/debug/tracing/options/print-tgid |
| 36 | chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable |
| 37 | chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable |
| Riley Andrews | 5672bb7 | 2015-11-19 13:31:17 -0800 | [diff] [blame] | 38 | chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 39 | chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable |
| 40 | chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable |
| 41 | chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable |
| 42 | chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable |
| 43 | chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable |
| 44 | chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable |
| 45 | chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable |
| 46 | chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable |
| 47 | chmod 0664 /sys/kernel/debug/tracing/tracing_on |
| 48 | chmod 0664 /sys/kernel/debug/tracing/events/binder/binder_transaction/enable |
| 49 | chmod 0664 /sys/kernel/debug/tracing/events/binder/binder_transaction_received/enable |
| 50 | chmod 0664 /sys/kernel/debug/tracing/events/binder/binder_lock/enable |
| 51 | chmod 0664 /sys/kernel/debug/tracing/events/binder/binder_locked/enable |
| 52 | chmod 0664 /sys/kernel/debug/tracing/events/binder/binder_unlock/enable |
| 53 | |
| Nick Kralevich | cc7f8ad | 2015-12-16 12:37:25 -0800 | [diff] [blame^] | 54 | # Tracing disabled by default |
| 55 | write /sys/kernel/debug/tracing/tracing_on 0 |
| 56 | |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 57 | # Allow only the shell group to read and truncate the kernel trace. |
| 58 | chown root shell /sys/kernel/debug/tracing/trace |
| 59 | chmod 0660 /sys/kernel/debug/tracing/trace |
| 60 | |
| 61 | on property:persist.debug.atrace.boottrace=1 |
| 62 | start boottrace |
| 63 | |
| 64 | # Run atrace with the categories written in a file |
| 65 | service boottrace /system/bin/atrace --async_start -f /data/misc/boottrace/categories |
| 66 | disabled |
| 67 | oneshot |