| 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 | ## |
| Chris Fries | b587864 | 2018-05-03 23:38:01 -0500 | [diff] [blame] | 3 | on late-init |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 4 | |
| 5 | # Allow writing to the kernel trace log. |
| 6 | chmod 0222 /sys/kernel/debug/tracing/trace_marker |
| Paul Lawrence | 2cd93cc | 2017-01-17 09:50:18 -0800 | [diff] [blame] | 7 | chmod 0222 /sys/kernel/tracing/trace_marker |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 8 | |
| Wei Wang | 14681db | 2018-02-20 14:00:22 -0800 | [diff] [blame] | 9 | # Scheduler tracepoints require schedstats=enable |
| 10 | write /proc/sys/kernel/sched_schedstats 1 |
| 11 | |
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 12 | # Grant unix world read/write permissions to kernel tracepoints. |
| 13 | # Access control to these files is now entirely in selinux policy. |
| 14 | chmod 0666 /sys/kernel/debug/tracing/trace_clock |
| 15 | chmod 0666 /sys/kernel/tracing/trace_clock |
| 16 | chmod 0666 /sys/kernel/debug/tracing/buffer_size_kb |
| 17 | chmod 0666 /sys/kernel/tracing/buffer_size_kb |
| 18 | chmod 0666 /sys/kernel/debug/tracing/options/overwrite |
| 19 | chmod 0666 /sys/kernel/tracing/options/overwrite |
| 20 | chmod 0666 /sys/kernel/debug/tracing/options/print-tgid |
| 21 | chmod 0666 /sys/kernel/tracing/options/print-tgid |
| 22 | chmod 0666 /sys/kernel/debug/tracing/saved_cmdlines_size |
| 23 | chmod 0666 /sys/kernel/tracing/saved_cmdlines_size |
| 24 | chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_switch/enable |
| 25 | chmod 0666 /sys/kernel/tracing/events/sched/sched_switch/enable |
| 26 | chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable |
| 27 | chmod 0666 /sys/kernel/tracing/events/sched/sched_wakeup/enable |
| 28 | chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable |
| 29 | chmod 0666 /sys/kernel/tracing/events/sched/sched_blocked_reason/enable |
| 30 | chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_cpu_hotplug/enable |
| 31 | chmod 0666 /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable |
| Wei Wang | ca49dfc | 2018-05-03 15:45:20 -0700 | [diff] [blame] | 32 | chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_pi_setprio/enable |
| 33 | chmod 0666 /sys/kernel/tracing/events/sched/sched_pi_setprio/enable |
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 34 | chmod 0666 /sys/kernel/debug/tracing/events/cgroup/enable |
| 35 | chmod 0666 /sys/kernel/tracing/events/cgroup/enable |
| 36 | chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable |
| 37 | chmod 0666 /sys/kernel/tracing/events/power/cpu_frequency/enable |
| 38 | chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_idle/enable |
| 39 | chmod 0666 /sys/kernel/tracing/events/power/cpu_idle/enable |
| 40 | chmod 0666 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable |
| 41 | chmod 0666 /sys/kernel/tracing/events/power/clock_set_rate/enable |
| 42 | chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_frequency_limits/enable |
| 43 | chmod 0666 /sys/kernel/tracing/events/power/cpu_frequency_limits/enable |
| 44 | chmod 0666 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable |
| 45 | chmod 0666 /sys/kernel/tracing/events/cpufreq_interactive/enable |
| 46 | chmod 0666 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable |
| 47 | chmod 0666 /sys/kernel/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable |
| 48 | chmod 0666 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable |
| 49 | chmod 0666 /sys/kernel/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable |
| 50 | chmod 0666 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable |
| 51 | chmod 0666 /sys/kernel/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable |
| 52 | chmod 0666 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable |
| 53 | chmod 0666 /sys/kernel/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable |
| 54 | chmod 0666 /sys/kernel/debug/tracing/tracing_on |
| 55 | chmod 0666 /sys/kernel/tracing/tracing_on |
| 56 | chmod 0666 /sys/kernel/debug/tracing/events/binder/binder_transaction/enable |
| 57 | chmod 0666 /sys/kernel/tracing/events/binder/binder_transaction/enable |
| 58 | chmod 0666 /sys/kernel/debug/tracing/events/binder/binder_transaction_received/enable |
| 59 | chmod 0666 /sys/kernel/tracing/events/binder/binder_transaction_received/enable |
| 60 | chmod 0666 /sys/kernel/debug/tracing/events/binder/binder_lock/enable |
| 61 | chmod 0666 /sys/kernel/tracing/events/binder/binder_lock/enable |
| 62 | chmod 0666 /sys/kernel/debug/tracing/events/binder/binder_locked/enable |
| 63 | chmod 0666 /sys/kernel/tracing/events/binder/binder_locked/enable |
| 64 | chmod 0666 /sys/kernel/debug/tracing/events/binder/binder_unlock/enable |
| 65 | chmod 0666 /sys/kernel/tracing/events/binder/binder_unlock/enable |
| 66 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/enable |
| 67 | chmod 0666 /sys/kernel/tracing/events/i2c/enable |
| 68 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/i2c_read/enable |
| 69 | chmod 0666 /sys/kernel/tracing/events/i2c/i2c_read/enable |
| 70 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/i2c_write/enable |
| 71 | chmod 0666 /sys/kernel/tracing/events/i2c/i2c_write/enable |
| 72 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/i2c_result/enable |
| 73 | chmod 0666 /sys/kernel/tracing/events/i2c/i2c_result/enable |
| 74 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/i2c_reply/enable |
| 75 | chmod 0666 /sys/kernel/tracing/events/i2c/i2c_reply/enable |
| 76 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/smbus_read/enable |
| 77 | chmod 0666 /sys/kernel/tracing/events/i2c/smbus_read/enable |
| 78 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/smbus_write/enable |
| 79 | chmod 0666 /sys/kernel/tracing/events/i2c/smbus_write/enable |
| 80 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/smbus_result/enable |
| 81 | chmod 0666 /sys/kernel/tracing/events/i2c/smbus_result/enable |
| 82 | chmod 0666 /sys/kernel/debug/tracing/events/i2c/smbus_reply/enable |
| 83 | chmod 0666 /sys/kernel/tracing/events/i2c/smbus_reply/enable |
| 84 | chmod 0666 /sys/kernel/debug/tracing/events/lowmemorykiller/enable |
| 85 | chmod 0666 /sys/kernel/tracing/events/lowmemorykiller/enable |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 86 | |
| Florian Mayer | 6039fb7 | 2018-03-28 11:54:16 +0100 | [diff] [blame] | 87 | # disk |
| 88 | chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_sync_file_enter/enable |
| 89 | chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_enter/enable |
| 90 | chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_sync_file_exit/enable |
| 91 | chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_exit/enable |
| 92 | chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_write_begin/enable |
| 93 | chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_write_begin/enable |
| 94 | chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_write_end/enable |
| 95 | chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_write_end/enable |
| 96 | chmod 0666 /sys/kernel/tracing/events/ext4/ext4_da_write_begin/enable |
| 97 | chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_da_write_begin/enable |
| 98 | chmod 0666 /sys/kernel/tracing/events/ext4/ext4_da_write_end/enable |
| 99 | chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_da_write_end/enable |
| 100 | chmod 0666 /sys/kernel/tracing/events/ext4/ext4_sync_file_enter/enable |
| 101 | chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable |
| 102 | chmod 0666 /sys/kernel/tracing/events/ext4/ext4_sync_file_exit/enable |
| 103 | chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_sync_file_exit/enable |
| 104 | chmod 0666 /sys/kernel/tracing/events/block/block_rq_issue/enable |
| 105 | chmod 0666 /sys/kernel/debug/tracing/events/block/block_rq_issue/enable |
| 106 | chmod 0666 /sys/kernel/tracing/events/block/block_rq_complete/enable |
| 107 | chmod 0666 /sys/kernel/debug/tracing/events/block/block_rq_complete/enable |
| 108 | |
| Wei Wang | f277a7e | 2018-04-19 13:59:53 -0700 | [diff] [blame] | 109 | # graphics |
| 110 | chmod 0666 /sys/kernel/tracing/events/sde/enable |
| 111 | chmod 0666 /sys/kernel/debug/tracing/events/sde/enable |
| 112 | chmod 0666 /sys/kernel/tracing/events/mdss/enable |
| 113 | chmod 0666 /sys/kernel/debug/tracing/events/mdss/enable |
| 114 | |
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 115 | # Tracing disabled by default |
| Nick Kralevich | cc7f8ad | 2015-12-16 12:37:25 -0800 | [diff] [blame] | 116 | write /sys/kernel/debug/tracing/tracing_on 0 |
| Paul Lawrence | 2cd93cc | 2017-01-17 09:50:18 -0800 | [diff] [blame] | 117 | write /sys/kernel/tracing/tracing_on 0 |
| Nick Kralevich | cc7f8ad | 2015-12-16 12:37:25 -0800 | [diff] [blame] | 118 | |
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 119 | # Read and truncate the kernel trace. |
| 120 | chmod 0666 /sys/kernel/debug/tracing/trace |
| 121 | chmod 0666 /sys/kernel/tracing/trace |
| Tom Cherry | f4cb3ce | 2015-09-03 14:15:24 -0700 | [diff] [blame] | 122 | |
| 123 | on property:persist.debug.atrace.boottrace=1 |
| 124 | start boottrace |
| 125 | |
| 126 | # Run atrace with the categories written in a file |
| 127 | service boottrace /system/bin/atrace --async_start -f /data/misc/boottrace/categories |
| 128 | disabled |
| 129 | oneshot |