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#!/bin/sh
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# https://moonbingbing.gitbooks.io/openresty-best-practices/content/flame_graph/install.html
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# apt install elfutils
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# sudo apt-get install -y systemtap gcc
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# sudo apt-get install linux-headers-generic gcc libcap-dev
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# apt-get install -y libdw-dev
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# apt-get install -y fakeroot build-essential crash kexec-tools makedumpfile kernel-wedge kernel-package
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# apt-get install -y git-core libncurses5 libncurses5-dev libelf-dev asciidoc binutils-dev
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# apt-get build-dep linux
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# cat > /etc/apt/sources.list.d/ddebs.list << EOF
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# deb http://ddebs.ubuntu.com/ precise main restricted universe multiverse
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# EOF
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#
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# apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ECDCAD72428D7C01
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# apt-get update
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# cd /www/server/mdserver-web/plugins/op_waf/t && sh ngx_debug.sh lua t1
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# cd /www/server/mdserver-web/plugins/op_waf/t && sh ngx_debug.sh c t2
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if [ $# -ne 2 ]
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then
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echo "Usage: ./`basename $0` lua/c NAME"
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exit
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fi
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pid=`ps -ef|grep openresty | grep -v grep | awk '{print $2}'`
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name=$2
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# stap --ldd -d /www/server/openresty/bin/openresty --all-modules -D MAXMAPENTRIES=256 -D
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# /opt/openresty-systemtap-toolkit/ngx-active-reqs -p 496435
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# /opt/openresty-systemtap-toolkit/sample-bt -p 496435 -t 5 -k > a.bt
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# kernel-debuginfo-common kernel-debuginfo
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# apt intall -y kernel-debuginfo-common kernel-debuginfo
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# apt intall -y kernel-*
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# export PATH=$PATH:/opt/stapxx
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# /opt/stapxx/samples/lj-lua-stacks.sxx --arg time=5 --skip-badvars -x 314532 > tmp.bt
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if [ ! -d /opt/openresty-systemtap-toolkit ];then
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cd /opt && git clone https://github.com/openresty/openresty-systemtap-toolkit
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fi
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if [ ! -d /opt/stapxx ];then
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cd /opt && git clone https://github.com/openresty/stapxx
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fi
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dpkg -i --force-overwrite /var/cache/apt/archives/linux-tools-common_5.4.0-128.144_all.deb
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if [ ! -d /opt/FlameGraph ];then
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cd /opt && git clone https://github.com/brendangregg/FlameGraph
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fi
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if [ $1 == "lua" ]; then
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# /opt/openresty-systemtap-toolkit/ngx-sample-lua-bt -p 790 --luajit20 -t 30 >temp.bt
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/opt/openresty-systemtap-toolkit/ngx-sample-lua-bt -p $pid --luajit20 -t 30 >temp.bt
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# /opt/openresty-systemtap-toolkit/fix-lua-bt temp.bt >t1.bt
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/opt/openresty-systemtap-toolkit/fix-lua-bt temp.bt >${name}.bt
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elif [ $1 == "c" ]; then
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# /opt/openresty-systemtap-toolkit/sample-bt -p 496435 -t 10 -u > t2.bt
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/opt/openresty-systemtap-toolkit/sample-bt -p $pid -t 10 -u > ${name}.bt
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else
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echo "type is only lua/c"
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exit
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fi
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# /opt/FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
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# /opt/FlameGraph/flamegraph.pl perf.folded > perf.svg
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/opt/FlameGraph/stackcollapse-stap.pl ${name}.bt >${name}.cbt
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/opt/FlameGraph/flamegraph.pl ${name}.cbt >${name}.svg
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rm -f temp.bt ${name}.bt ${name}.cbt
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