mysql pstack进程号_pstack.sh 查看进程堆栈

#!/bin/bash

if (( $# < 1 ))

then

echo "usage: `basename $0` pid" 1>&2

exit 1

fi

if [[ ! -r /proc/$1 ]]

then

echo "Process $1 not found." 1>&2

exit 1

fi

backtrace="bt"

if [[ -d /proc/$1/task ]]

then

if [[ `ls /proc/$1/task 2>/dev/null | wc -l` > 1 ]]

then

backtrace="thread apply all bt"

fi  ;

elif [[ -f /proc/$1/maps ]]

then

if grep -e libpthread /proc/$1/maps > /dev/null 2>&1

then

backtrace="thread apply all bt"

fi

fi

GDB=gdb

$GDB -quiet -nx /proc/$1/exe -p $1 <<

sed -n  \

-e 's/^(gdb) //' \

-e '/^#/p' \

-e '/^Thread/p'