131 lines
3.7 KiB
Bash
Executable File
131 lines
3.7 KiB
Bash
Executable File
#! /bin/sh
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# Copyright (c) 2013, 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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runs=49
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sets=10
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delay=0.001
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if [ $# -gt 4 ]
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then
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echo "Usage: ./stm-test.sh [runs] [run-size] [delay] [usb|mem]"
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echo "Delay is specified in seconds."
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echo "To specify smaller delays use fractions. For 1ms, use 0.001"
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exit
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else
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if [ $# -eq 1 ]
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then
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runs=$(($1-1))
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echo 1 > /sys/bus/coresight/devices/coresight-tmc-etf/curr_sink
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elif [ $# -eq 2 ]
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then
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runs=$(($1-1))
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sets=$2
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echo 1 > /sys/bus/coresight/devices/coresight-tmc-etf/curr_sink
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elif [ $# -eq 3 ]
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then
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runs=$(($1-1))
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sets=$2
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delay=$3
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echo 1 > /sys/bus/coresight/devices/coresight-tmc-etf/curr_sink
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elif [ $# -eq 4 ]
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then
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runs=$(($1-1))
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sets=$2
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delay=$3
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if [ $4 = "usb" ] || [ $4 = "mem" ]
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then
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echo $4 > /sys/bus/coresight/devices/coresight-tmc-etr/out_mode
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echo 1 > /sys/bus/coresight/devices/coresight-tmc-etr/curr_sink
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else
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echo 1 > /sys/bus/coresight/devices/coresight-tmc-etf/curr_sink
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fi
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fi
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fi
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echo "STM TEST"
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# Mount debugfs
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mount -t debugfs nodev /sys/kernel/debug
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# create output directory
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if [ ! -d "/data" ]
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then
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mkdir /data
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fi
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if [ ! -d "/data/coresight" ]
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then
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mkdir /data/coresight
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fi
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# Enable stm
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echo 1 > /sys/bus/coresight/devices/coresight-stm/enable
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# Insert an text marker to indicate start of current test
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echo "Starting trace" > /sys/kernel/debug/tracing/trace_marker
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# 'X' Sets of 'Y' events with delay
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for i in $(seq 0 $runs)
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do
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echo "Run $(($i+1)): Generating $sets events and sleeping for $delay sec"
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for j in $(seq 1 $sets)
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do
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echo "Event $(($i*$sets+$j))" > /sys/kernel/debug/tracing/trace_marker
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done
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sleep $delay
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done
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# Again insert text marker to indicate end of test
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echo "Stopping trace" > /sys/kernel/debug/tracing/trace_marker
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# Disable stm
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echo 0 > /sys/bus/coresight/devices/coresight-stm/enable
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# dump trace from etf
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if [ $# -eq 4 ]
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then
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if [ $4 == "mem" ]
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then
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cat /dev/coresight-tmc-etr > /data/coresight/stm_trace.bin
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elif [ $4 != "usb" ]
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then
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cat /dev/coresight-tmc-etf > /data/coresight/stm_trace.bin
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fi
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else
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cat /dev/coresight-tmc-etf > /data/coresight/stm_trace.bin
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fi
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cat /sys/kernel/debug/tracing/trace > /data/coresight/trace.txt
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# Get format file
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cat /sys/kernel/debug/tracing/events/*/*/format > /data/coresight/formats.txt
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echo "TEST COMPLETE"
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exit 0
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