## Permissions to allow additional system-wide tracing to the kernel trace buffer. ## The default list of permissions is set in frameworks/native/cmds/atrace/atrace.rc # Grant unix world read/write permissions to enable kernel tracepoints. # Access control to these files is now entirely in selinux policy. on post-fs # On userdebug allow to enable any event via the generic # set_event interface: # echo sched/foo > set_event == echo 1 > events/sched/foo/enable. chmod 0666 /sys/kernel/tracing/set_event chmod 0666 /sys/kernel/debug/tracing/set_event chmod 0666 /sys/kernel/tracing/events/workqueue/enable chmod 0666 /sys/kernel/debug/tracing/events/workqueue/enable chmod 0666 /sys/kernel/tracing/events/regulator/enable chmod 0666 /sys/kernel/debug/tracing/events/regulator/enable chmod 0666 /sys/kernel/tracing/events/filemap/enable chmod 0666 /sys/kernel/debug/tracing/events/filemap/enable # Allow traced_probes to use the raw_syscall filters to trace only a subset # of syscalls. chmod 0666 /sys/kernel/tracing/events/raw_syscalls/sys_enter/filter chmod 0666 /sys/kernel/debug/tracing/events/raw_syscalls/sys_enter/filter chmod 0666 /sys/kernel/tracing/events/raw_syscalls/sys_exit/filter chmod 0666 /sys/kernel/debug/tracing/events/raw_syscalls/sys_exit/filter