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#!/bin/bash
set -o xtrace
curpwd=`pwd`
TRACE_FILE=$1
TRACEDIR=/sys/kernel/debug/tracing/
sudo bash -c "echo 0 >$TRACEDIR/tracing_on"
sleep 1
sudo bash -c "cat $TRACEDIR/trace > $TRACE_FILE"
sudo bash -c "echo > $TRACEDIR/set_event"
sudo bash -c "echo > $TRACEDIR/trace"
sudo sysctl kernel.ftrace_enabled=0
sudo bash -c "echo nop > $TRACEDIR/current_tracer"
set +o xtrace
cd $curpwd
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