1# Domain for atrace process.
2# It is spawned either by traced_probes or by init for the boottrace service.
3
4type atrace, domain, coredomain;
5type atrace_exec, exec_type, file_type, system_file_type;
6
7# boottrace services uses /data/misc/boottrace/categories
8allow atrace boottrace_data_file:dir search;
9allow atrace boottrace_data_file:file r_file_perms;
10
11# Allow atrace to access tracefs.
12allow atrace debugfs_tracing:dir r_dir_perms;
13allow atrace debugfs_tracing:file rw_file_perms;
14allow atrace debugfs_trace_marker:file getattr;
15
16# Allow atrace to write data when a pipe is used for stdout/stderr
17# This is used by Perfetto to capture the output on error in atrace.
18allow atrace traced_probes:fd use;
19allow atrace traced_probes:fifo_file write;
20
21# atrace sets debug.atrace.* properties
22set_prop(atrace, debug_prop)
23
24# atrace pokes all the binder-enabled processes at startup with a
25# SYSPROPS_TRANSACTION, to tell them to reload the debug.atrace.* properties.
26
27binder_use(atrace)
28allow atrace healthd:binder call;
29allow atrace surfaceflinger:binder call;
30allow atrace system_server:binder call;
31
32get_prop(atrace, hwservicemanager_prop)
33
34# atrace can call atrace HAL
35hal_client_domain(atrace, hal_atrace)
36
37allow atrace {
38  service_manager_type
39  -apex_service
40  -incident_service
41  -iorapd_service
42  -netd_service
43  -dnsresolver_service
44  -stats_service
45  -dumpstate_service
46  -installd_service
47  -vold_service
48  -lpdump_service
49}:service_manager { find };
50allow atrace servicemanager:service_manager list;
51
52userdebug_or_eng(`
53  # atrace is generally invoked as a standalone binary from shell or perf
54  # daemons like Perfetto traced_probes. However, in userdebug builds, there is
55  # a further option to run atrace as an init daemon for boot tracing.
56  init_daemon_domain(atrace)
57
58  allow atrace debugfs_tracing_debug:dir r_dir_perms;
59  allow atrace debugfs_tracing_debug:file rw_file_perms;
60')
61