blob: 0122c559022652bef6e9611fb3632c646e2b0e8b [file] [log] [blame]
# perfprofd - perf profile collection daemon
type perfprofd_exec, exec_type, file_type;
type perfprofd, domain, domain_deprecated, mlstrustedsubject;
# perfprofd needs to control CPU hot-plug in order to avoid kernel
# perfevents problems in cases where CPU goes on/off during measurement;
# this means read access to /sys/devices/system/cpu/possible
# and read/write access to /sys/devices/system/cpu/cpu*/online
allow perfprofd sysfs_devices_system_cpu:file rw_file_perms;
# perfprofd checks for the existence of and then invokes simpleperf;
# simpleperf retains perfprofd domain after exec
allow perfprofd system_file:file rx_file_perms;
# perfprofd reads a config file from /data/data/
allow perfprofd app_data_file:file r_file_perms;
allow perfprofd app_data_file:dir search;
allow perfprofd self:capability { dac_override };
# perfprofd opens a file for writing in /data/misc/perfprofd
allow perfprofd perfprofd_data_file:file create_file_perms;
allow perfprofd perfprofd_data_file:dir rw_dir_perms;
# perfprofd uses the system log
# perfprofd inspects /sys/power/wake_unlock
# simpleperf uses ioctl() to turn on kernel perf events measurements
allow perfprofd self:capability sys_admin;
# simpleperf needs to examine /proc to collect task/thread info
r_dir_file(perfprofd, domain)
# simpleperf needs to access /proc/<pid>/exec
allow perfprofd self:capability { sys_resource sys_ptrace };
neverallow perfprofd domain:process ptrace;
# simpleperf needs open/read any file that turns up in a profile
# to see whether it has a build ID
allow perfprofd exec_type:file r_file_perms;
# simpleperf examines debugfs on startup to collect tracepoint event types
allow perfprofd debugfs_tracing:file r_file_perms;
# simpleperf is going to execute "sleep"
allow perfprofd toolbox_exec:file rx_file_perms;
# needed for simpleperf on some kernels
allow perfprofd self:capability ipc_lock;