| Carmen Jackson | 4acf7ca | 2017-04-14 11:58:58 -0700 | [diff] [blame] | 1 | ## Permissions to allow additional system-wide tracing to the kernel trace buffer. | 
|  | 2 | ## The default list of permissions is set in frameworks/native/cmds/atrace/atrace.rc | 
|  | 3 |  | 
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 4 | # Grant unix world read/write permissions to enable kernel tracepoints. | 
|  | 5 | # Access control to these files is now entirely in selinux policy. | 
| Carmen Jackson | 4acf7ca | 2017-04-14 11:58:58 -0700 | [diff] [blame] | 6 |  | 
|  | 7 | on post-fs | 
| Primiano Tucci | b0bfea6 | 2019-01-15 14:02:10 +0000 | [diff] [blame] | 8 | # On userdebug allow to enable any event via the generic | 
|  | 9 | # set_event interface: | 
|  | 10 | # echo sched/foo > set_event == echo 1 > events/sched/foo/enable. | 
|  | 11 | chmod 0666 /sys/kernel/tracing/set_event | 
|  | 12 | chmod 0666 /sys/kernel/debug/tracing/set_event | 
|  | 13 |  | 
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 14 | chmod 0666 /sys/kernel/tracing/events/workqueue/enable | 
|  | 15 | chmod 0666 /sys/kernel/debug/tracing/events/workqueue/enable | 
|  | 16 | chmod 0666 /sys/kernel/tracing/events/regulator/enable | 
|  | 17 | chmod 0666 /sys/kernel/debug/tracing/events/regulator/enable | 
| Tim Murray | 4e4bace | 2018-12-11 14:21:53 -0800 | [diff] [blame] | 18 | chmod 0666 /sys/kernel/tracing/events/filemap/enable | 
|  | 19 | chmod 0666 /sys/kernel/debug/tracing/events/filemap/enable | 
| Carmen Jackson | 4acf7ca | 2017-04-14 11:58:58 -0700 | [diff] [blame] | 20 |  | 
|  | 21 | # irq | 
| Carmen Jackson | 385f7ee | 2018-01-10 16:43:44 -0800 | [diff] [blame] | 22 | chmod 0666 /sys/kernel/tracing/events/irq/enable | 
|  | 23 | chmod 0666 /sys/kernel/debug/tracing/events/irq/enable | 
|  | 24 | chmod 0666 /sys/kernel/tracing/events/ipi/enable | 
|  | 25 | chmod 0666 /sys/kernel/debug/tracing/events/ipi/enable |