blob: b4b09344136f26ae371182d13d1ee41a9fde1728 [file] [log] [blame]
mukesh agrawal16518e52017-01-06 18:43:27 -08001#
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 Wang995d6632017-02-28 14:06:49 -080017on fs
18 setprop sys.wifitracing.started 0
19
20on property:sys.boot_completed=1 && property:sys.wifitracing.started=0
mukesh agrawal16518e52017-01-06 18:43:27 -080021 # Create trace buffer, and set basic configuration.
22 mkdir /sys/kernel/debug/tracing/instances/wifi 711
23 restorecon_recursive /sys/kernel/debug/tracing/instances/wifi
24 write /sys/kernel/debug/tracing/instances/wifi/tracing_on 0
25 write /sys/kernel/debug/tracing/instances/wifi/buffer_size_kb 1
26 write /sys/kernel/debug/tracing/instances/wifi/trace_options disable_on_free
27
28 # Enable cfg80211 events for connection and key management events.
29 # - Events are not actually logged until WifiService writes "1" to
30 # /sys/kernel/debug/tracing/instances/wifi/tracing_on.
31 # - WifiService is responsible for turning tracing off and on.
32 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/cfg80211_gtk_rekey_notify/enable 1
33 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_add_key/enable 1
34 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_assoc/enable 1
35 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_auth/enable 1
36 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_connect/enable 1
37 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_default_key/enable 1
38 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_default_mgmt_key/enable 1
39 write /sys/kernel/debug/tracing/instances/wifi/events/cfg80211/rdev_set_rekey_data/enable 1
40
41 # Enable datapath events for Wifi.
42 # - Events are not actually logged until WifiService writes "1" to
43 # /sys/kernel/debug/tracing/instances/wifi/tracing_on.
44 # - WifiService will ensure that tracing is turned back off,
45 # when a connection attempt ends (whether in success or failure)
46 write /sys/kernel/debug/tracing/instances/wifi/events/net/filter name==${wifi.interface:-wlan0}
47 write /sys/kernel/debug/tracing/instances/wifi/events/net/net_dev_queue/enable 1
48 write /sys/kernel/debug/tracing/instances/wifi/events/net/net_dev_xmit/enable 1
49 write /sys/kernel/debug/tracing/instances/wifi/events/net/netif_rx/enable 1
50 write /sys/kernel/debug/tracing/instances/wifi/events/net/netif_receive_skb/enable 1
51
52 # Set DAC to allow system_server to enable/disable, and read wifi trace
53 # events.
54 chown system /sys/kernel/debug/tracing/instances/wifi/tracing_on
55 chown system /sys/kernel/debug/tracing/instances/wifi/free_buffer
56 chown system /sys/kernel/debug/tracing/instances/wifi/trace
57 chmod 200 /sys/kernel/debug/tracing/instances/wifi/tracing_on
58 chmod 400 /sys/kernel/debug/tracing/instances/wifi/free_buffer
59 chmod 600 /sys/kernel/debug/tracing/instances/wifi/trace
Wei Wang995d6632017-02-28 14:06:49 -080060 setprop sys.wifitracing.started 1
mukesh agrawal16518e52017-01-06 18:43:27 -080061
Wei Wang25dbc282017-02-28 21:09:30 -080062on property:sys.boot_completed=1 && property:wifi.interface=* && sys.wifitracing.started=1
mukesh agrawal16518e52017-01-06 18:43:27 -080063 # Override default value.
Wei Wangef75dd72017-01-27 11:44:57 -080064 write /sys/kernel/debug/tracing/instances/wifi/events/net/filter name==${wifi.interface}