| # 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 |