1# Copyright (C) 2017 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15service traced /system/bin/traced
16    class late_start
17    disabled
18    socket traced_consumer stream 0666 root root
19    socket traced_producer stream 0666 root root
20    user nobody
21    group nobody
22    writepid /dev/cpuset/system-background/tasks
23
24service traced_probes /system/bin/traced_probes
25    class late_start
26    disabled
27    user nobody
28    group nobody readproc
29    writepid /dev/cpuset/system-background/tasks
30    # Clean up procfs configuration even if traced_probes crashes
31    # unexpectedly.
32    onrestart exec_background - nobody shell -- /system/bin/traced_probes --cleanup-after-crash
33    file /dev/kmsg w
34    capabilities DAC_READ_SEARCH
35
36on property:sys.traced.enable_override=1
37    setprop persist.traced.enable 1
38
39on property:sys.traced.enable_override=0
40    setprop persist.traced.enable 0
41
42on property:debug.atrace.user_initiated=1
43    stop traced_probes
44
45on property:persist.traced.enable=1 && property:debug.atrace.user_initiated=""
46    start traced_probes
47
48on property:persist.traced.enable=1
49    # Trace files need to be:
50    # - Written by either uid:shell or uid:statsd.
51    # - Read by shell and dropbox (dropbox is part of system_server).
52    # When written to dropbox, they are persistet in the perfetto-traces folder
53    # only for the time it takes to make a dropbox call, and unlinked
54    # immediately in any case.
55    mkdir /data/misc/perfetto-traces 0773 root shell
56
57    start traced
58    start traced_probes
59
60on property:persist.traced.enable=0
61    stop traced
62    stop traced_probes
63