blob: 44e9ebd61fada94907ac750b8fa0ef10b0b3cbc9 [file] [log] [blame]
# Copyright (C) 2017 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
service traced /system/bin/traced
class late_start
disabled
socket traced_consumer stream 0666 root root
socket traced_producer stream 0666 root root
user nobody
group nobody
writepid /dev/cpuset/system-background/tasks
service traced_probes /system/bin/traced_probes
class late_start
disabled
user nobody
# Despite the "log" group below, traced_probes is allowed to read log
# only on userdebug/eng via selinux (see traced_probes.te).
group nobody readproc log
writepid /dev/cpuset/system-background/tasks
# Clean up procfs configuration even if traced_probes crashes
# unexpectedly.
onrestart exec_background - nobody shell -- /system/bin/traced_probes --cleanup-after-crash
file /dev/kmsg w
capabilities DAC_READ_SEARCH
on property:persist.device_config.global_settings.sys_traced=1
setprop persist.traced.enable 1
on property:persist.device_config.global_settings.sys_traced=0
setprop persist.traced.enable 0
on property:debug.atrace.user_initiated=1
stop traced_probes
on property:persist.traced.enable=1 && property:debug.atrace.user_initiated=""
start traced_probes
on property:persist.traced.enable=1
# Trace files need to be:
# - Written by either uid:shell or uid:statsd.
# - Read by shell and dropbox (dropbox is part of system_server).
# When written to dropbox, they are persistet in the perfetto-traces folder
# only for the time it takes to make a dropbox call, and unlinked
# immediately in any case.
mkdir /data/misc/perfetto-traces 0773 root shell
start traced
start traced_probes
on property:persist.traced.enable=0
stop traced
stop traced_probes
# Reset the Perfetto guard rail state on boot:
on post-fs-data
rm /data/misc/perfetto-traces/.guardraildata