55 lines
2.4 KiB
Bash
Executable File
55 lines
2.4 KiB
Bash
Executable File
#!/vendor/bin/sh
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# Copyright (c) 2020 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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# Enable various ufs ftrace debugging events
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tracefs=/sys/kernel/tracing
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ufs_node=$(ls /sys/bus/platform/devices/ | grep ufshc)
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dbg=`cat /sys/bus/platform/devices/$ufs_node/qcom/dbg_state`
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if [ -d $tracefs -a "$dbg" = 1 ]; then
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mkdir $tracefs/instances/ufs
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ufsevent=$tracefs/instances/ufs/set_event
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echo ufshcd_clk_gating > $ufsevent
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echo ufshcd_clk_scaling >> $ufsevent
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echo ufshcd_runtime_suspend >> $ufsevent
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echo ufshcd_runtime_resume >> $ufsevent
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echo ufshcd_system_suspend >> $ufsevent
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echo ufshcd_system_resume >> $ufsevent
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echo ufshcd_command >> $ufsevent
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# scsi
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echo dispatch_cmd_start >> $ufsevent
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echo scsi_dispatch_cmd_start >> $ufsevent
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echo scsi_dispatch_cmd_error >> $ufsevent
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echo scsi_dispatch_cmd_done >> $ufsevent
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echo scsi_dispatch_cmd_timeout >> $ufsevent
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fi
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