#!/bin/bash
if (( $# < 1 )) then echo "usage: `basename $0` pid" 1>&2 exit 1 fiif [[ ! -r /proc/$1 ]]
then echo "Process $1 not found." 1>&2 exit 1 fibacktrace="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 fiGDB=gdb
$GDB -quiet -nx /proc/$1/exe -p $1 <<<"$backtrace" |
sed -n \ -e 's/^(gdb) //' \ -e '/^#/p' \ -e '/^Thread/p'
使用方法
pstack.sh pid