up

plugins/op_waf/t/ngx_debug.sh

@@ -14,6 +14,13 @@ pid=`ps -ef|grep openresty | grep -v grep | awk '{print $2}'`
 name=$2
 
 
+
+# /opt/openresty-systemtap-toolkit/ngx-active-reqs -p 496435
+
+# /opt/openresty-systemtap-toolkit/sample-bt -p 496435 -t 5 -k > a.bt
+
+
+
 if [ ! -d /opt/openresty-systemtap-toolkit ];then
     cd /opt && git clone https://github.com/openresty/openresty-systemtap-toolkit
 fi
@@ -28,12 +35,18 @@ if [ $1 == "lua" ]; then
     # /opt/openresty-systemtap-toolkit/fix-lua-bt temp.bt >t1.bt
     /opt/openresty-systemtap-toolkit/fix-lua-bt temp.bt >${name}.bt
 elif [ $1 == "c" ]; then
+    # /opt/openresty-systemtap-toolkit/sample-bt -p 496435 -t 10 -u > t2.bt
     /opt/openresty-systemtap-toolkit/sample-bt -p $pid -t 10 -u > ${name}.bt
 else
     echo "type is only lua/c"
     exit
 fi
 
+
+
+# /opt/FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
+# /opt/FlameGraph/flamegraph.pl perf.folded > perf.svg
+
 /opt/FlameGraph/stackcollapse-stap.pl ${name}.bt >${name}.cbt
 /opt/FlameGraph/flamegraph.pl ${name}.cbt >${name}.svg
 rm -f temp.bt ${name}.bt ${name}.cbt

plugins/op_waf/t/ngx_demo.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# cd /www/server/mdserver-web/plugins/op_waf/t && sh ngx_demo.sh
+
+# cd /www/wwwroot/dev156.cachecha.com && sh ngx_demo.sh
+
+pid=`ps -ef|grep openresty | grep -v grep | awk '{print $2}'`
+
+perf record -F 99 -p $pid -g -- sleep 60
+
+
+perf script -i perf.data &> perf.unfold
+/opt/FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
+/opt/FlameGraph/flamegraph.pl perf.folded > perf.svg

plugins/op_waf/t/test.sh

@@ -7,8 +7,69 @@ export PATH
 # ab -c 1000 -n 1000000 http://www.zzzvps.com/
 # /cc https://www.zzzvps.com/ 120
 # ab -c 10 -n 1000 http://t1.cn/wp-admin/index.php
-# ab -c 1000 -n 1000000 http://www.zzzvps.com/
+# ab -c 1000 -n 1000000 http://dev156.cachecha.com/
 
 python3 index.py
 
 
+# 安装 火焰图
+# sudo apt install elfutils
+# sudo apt-get build-dep systemtap
+# systemtap
+# stap -e 'probe kernel.function("sys_open") {log("hello world") exit()}'
+# stap -v -e 'probe vfs.read {printf("read performed\n"); exit()}'
+
+
+# yum -y kernel-devel kernel-headers gcc elfutils
+# stap -ve 'probe begin { log("hello systemtap!") exit() }'
+stap -e 'probe vfs.add_to_page_cache {printf("dev=%d, devname=%s, ino=%d, index=%d, nrpages=%d\n", dev, devname, ino, index, nrpages )}'
+# git clone https://github.com/openresty/openresty-systemtap-toolkit
+# http://openresty.org/en/build-systemtap.html
+
+# ./configure --prefix=/opt/stap --disable-docs --disable-publican --disable-refdocs CFLAGS="-g -O2"
+
+# apt-get install systemtap linux-image-`uname -r`-dbg linux-headers-`uname -r`
+# /usr/share/doc/systemtap/README.Debian
+# ./ngx-active-reqs -p 383774
+
+
+wget -O kernel-debuginfo-$(uname -r).rpm http://debuginfo.centos.org/8/x86_64/kernel-debuginfo-$(uname -r).rpm
+
+wget -O kernel-debuginfo-4.18.0-348.el8.x86_64.rpm http://debuginfo.centos.org/8/x86_64/Packages/kernel-debuginfo-4.18.0-348.el8.x86_64.rpm
+wget -O kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm http://debuginfo.centos.org/8/x86_64/Packages/kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm
+
+rpm -ivh kernel-debuginfo-4.18.0-348.el8.x86_64.rpm
+rpm -ivh kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm
+# uname -r 
+
+# yum install kernel-devel-4.18.0-358.el8.x86_64
+# yum install kernel-debuginfo-4.18.0-358.el8.x86_64
+
+yum search kernel-debuginfo
+kernel-devel
+
+rpm -ivh kernel-debuginfo-4.18.0-358.el8.x86_64
+# yum install systemtap -y
+# yum install perf -y
+
+
+# perf record -F 99  -p 4452 -g -o test.data -- sleep 100
+
+
+perf record -F 99  -p 153145 -g -o test.data -- sleep 100
+
+perf script -i test.data &> perf.unfold
+./FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
+./FlameGraph/flamegraph.pl perf.folded > perf.svg
+
+#
+# git clone https://github.com/brendangregg/FlameGraph.git
+
+# git clone https://github.com/openresty/openresty-systemtap-toolkit
+# ps -ef|grep openresty | grep -v grep | awk '{print $2}'
+# ./ngx-active-reqs -p 153145
+
+
+
+
+