| mukesh agrawal | 16518e5 | 2017-01-06 18:43:27 -0800 | [diff] [blame] | 1 | # |
| 2 | # Copyright (C) 2016 The Android Open Source Project |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | # |
| 16 | |
| Wei Wang | ef75dd7 | 2017-01-27 11:44:57 -0800 | [diff] [blame^] | 17 | on property:sys.boot_completed=1 |
| mukesh agrawal | 16518e5 | 2017-01-06 18:43:27 -0800 | [diff] [blame] | 18 | # Create trace buffer, and set basic configuration. |
| 19 | mkdir /sys/kernel/debug/tracing/instances/wifi 711 |
| 20 | restorecon_recursive /sys/kernel/debug/tracing/instances/wifi |
| 21 | write /sys/kernel/debug/tracing/instances/wifi/tracing_on 0 |
| 22 | write /sys/kernel/debug/tracing/instances/wifi/buffer_size_kb 1 |
| 23 | write /sys/kernel/debug/tracing/instances/wifi/trace_options disable_on_free |
| 24 | |
| 25 | # Enable cfg80211 events for connection and key management events. |
| 26 | # - Events are not actually logged until WifiService writes "1" to |
| 27 | # /sys/kernel/debug/tracing/instances/wifi/tracing_on. |
| 28 | # - WifiService is responsible for turning tracing off and on. |
| 29 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/cfg80211_gtk_rekey_notify/enable 1 |
| 30 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_add_key/enable 1 |
| 31 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_assoc/enable 1 |
| 32 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_auth/enable 1 |
| 33 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_connect/enable 1 |
| 34 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_default_key/enable 1 |
| 35 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_default_mgmt_key/enable 1 |
| 36 | write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_rekey_data/enable 1 |
| 37 | |
| 38 | # Enable datapath events for Wifi. |
| 39 | # - Events are not actually logged until WifiService writes "1" to |
| 40 | # /sys/kernel/debug/tracing/instances/wifi/tracing_on. |
| 41 | # - WifiService will ensure that tracing is turned back off, |
| 42 | # when a connection attempt ends (whether in success or failure) |
| 43 | write /sys/kernel/debug/tracing/instances/wifi/events/net/filter name==${wifi.interface:-wlan0} |
| 44 | write /sys/kernel/debug/tracing/instances/wifi/events/net/net_dev_queue/enable 1 |
| 45 | write /sys/kernel/debug/tracing/instances/wifi/events/net/net_dev_xmit/enable 1 |
| 46 | write /sys/kernel/debug/tracing/instances/wifi/events/net/netif_rx/enable 1 |
| 47 | write /sys/kernel/debug/tracing/instances/wifi/events/net/netif_receive_skb/enable 1 |
| 48 | |
| 49 | # Set DAC to allow system_server to enable/disable, and read wifi trace |
| 50 | # events. |
| 51 | chown system /sys/kernel/debug/tracing/instances/wifi/tracing_on |
| 52 | chown system /sys/kernel/debug/tracing/instances/wifi/free_buffer |
| 53 | chown system /sys/kernel/debug/tracing/instances/wifi/trace |
| 54 | chmod 200 /sys/kernel/debug/tracing/instances/wifi/tracing_on |
| 55 | chmod 400 /sys/kernel/debug/tracing/instances/wifi/free_buffer |
| 56 | chmod 600 /sys/kernel/debug/tracing/instances/wifi/trace |
| 57 | |
| Wei Wang | ef75dd7 | 2017-01-27 11:44:57 -0800 | [diff] [blame^] | 58 | on property:sys.boot_completed=1 && property:wifi.interface=* |
| mukesh agrawal | 16518e5 | 2017-01-06 18:43:27 -0800 | [diff] [blame] | 59 | # Override default value. |
| Wei Wang | ef75dd7 | 2017-01-27 11:44:57 -0800 | [diff] [blame^] | 60 | write /sys/kernel/debug/tracing/instances/wifi/events/net/filter name==${wifi.interface} |