100 lines
4.0 KiB
Bash
Executable File
100 lines
4.0 KiB
Bash
Executable File
#!/vendor/bin/sh
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# Copyright (c) 2021 The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of The Linux Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# Changes from Qualcomm Innovation Center, Inc. are provided under the following license:
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# Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved.
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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prop_enabled=`getprop persist.vendor.usb.enable_ftrace 0`
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consolidate=$(cat /proc/version | grep -E "(consolidate|debug)")
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# bail out if its perf config
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if [ "$prop_enabled" == "0" -a "$consolidate" == "" ]; then
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return
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fi
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# Enable various ftrace debugging events for USB
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tracefs=/sys/kernel/tracing
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if [ -d $tracefs ]; then
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cd $tracefs
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# global kprobe events
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echo 'p:usb_gadget/ config_usb_cfg_link cfg=+0(+0($arg1)):string func=+0(+0($arg2)):string' >> kprobe_events
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echo 'r:usb_gadget/ config_usb_cfg_link ret=$retval:s32' >> kprobe_events
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echo 'p:usb_gadget/ config_usb_cfg_unlink cfg=+0(+0($arg1)):string func=+0(+0($arg2)):string' >> kprobe_events
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echo 'p:usb_gadget/ gadget_dev_desc_UDC_store udc=+0($arg2):string' >> kprobe_events
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echo 'r:usb_gadget/ gadget_dev_desc_UDC_store ret=$retval:s32' >> kprobe_events
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echo 'p:usb_gadget/ unregister_gadget_item gadget=+0(+0($arg1)):string' >> kprobe_events
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# usb instances
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mkdir instances/usb
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cd instances/usb
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# dwc3
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echo 1 > events/dwc3/dwc3_complete_trb/enable
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echo 1 > events/dwc3/dwc3_ctrl_req/enable
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echo 1 > events/dwc3/dwc3_ep_dequeue/enable
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echo 1 > events/dwc3/dwc3_ep_queue/enable
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echo 1 > events/dwc3/dwc3_gadget_ep_cmd/enable
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echo 1 > events/dwc3/dwc3_gadget_ep_disable/enable
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echo 1 > events/dwc3/dwc3_gadget_ep_enable/enable
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echo 1 > events/dwc3/dwc3_gadget_giveback/enable
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echo 1 > events/dwc3/dwc3_prepare_trb/enable
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echo 1 > events/dwc3/dwc3_event/enable
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# ucsi
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echo 1 > events/ucsi/ucsi_connector_change/enable
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echo 1 > events/ucsi/ucsi_reset_ppm/enable
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echo 1 > events/ucsi/ucsi_run_command/enable
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# USB gadget
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echo 1 > events/gadget/usb_gadget_disconnect/enable
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echo 1 > events/gadget/usb_gadget_connect/enable
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echo 1 > events/gadget/usb_gadget_vbus_draw/enable
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# usb instance kprobe events
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echo 1 > events/usb_gadget/enable
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#DWC3 core runtime
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echo 'name~"a600000.*"' > events/rpm/filter
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echo 1 > events/rpm/rpm_resume/enable
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echo 1 > events/rpm/rpm_suspend/enable
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echo 1 > events/rpm/rpm_return_int/enable
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#xhci
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mkdir $tracefs/instances/usb_xhci
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echo 1 > $tracefs/instances/usb_xhci/events/xhci-hcd/enable
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echo 1 > $tracefs/instances/usb_xhci/tracing_on
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echo 1 > tracing_on
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fi
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