# # Copyright (C) 2020 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. # on property:sys.boot_completed=1 # Create mm_event trace point. # For legacy devices, only mm_event is using this trace instance. # Debugfs is only used in legacy devices and going to be deprecated. # If others want to put more,it should get hard review from pixel-perf-team. mkdir /sys/kernel/debug/tracing/instances/pixel-trace 0755 system system chown system system /sys/kernel/debug/tracing/instances/pixel-trace/trace chmod 0660 /sys/kernel/debug/tracing/instances/pixel-trace/trace chown system system /sys/kernel/debug/tracing/instances/pixel-trace/tracing_on chmod 0660 /sys/kernel/debug/tracing/instances/pixel-trace/tracing_on write /sys/kernel/debug/tracing/instances/pixel-trace/buffer_size_kb 64 write /sys/kernel/debug/tracing/instances/pixel-trace/events/mm_event/enable 1 write /sys/kernel/debug/tracing/instances/pixel-trace/events/f2fs/f2fs_iostat/enable 1 write /sys/kernel/debug/tracing/instances/pixel-trace/events/ufs/ufs_stats/enable 1 write /sys/kernel/debug/tracing/instances/pixel-trace/events/ufs_pixel/ufs_stats/enable 1 chmod 444 /sys/kernel/debug/page_owner # turns off tracing right before bugreporting to keep more traces on property:init.svc.dumpstatez=running write /d/tracing/instances/pixel-trace/tracing_on 0 on property:init.svc.dumpstatez=stopped write /d/tracing/instances/pixel-trace/tracing_on 1 on property:init.svc.bugreport=running write /d/tracing/instances/pixel-trace/tracing_on 0 on property:init.svc.bugreport=stopped write /d/tracing/instances/pixel-trace/tracing_on 1 on property:init.svc.bugreportd=running write /d/tracing/instances/pixel-trace/tracing_on 0 on property:init.svc.bugreportd=stopped write /d/tracing/instances/pixel-trace/tracing_on 1