73 lines
1.8 KiB
Bash
73 lines
1.8 KiB
Bash
#!/bin/bash
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usage()
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{
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printf "Usage: $0 [opt] [val]\n\n"
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printf " -c cpuid Collect data of the specified cpu id\n"
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printf " -t threadid Collect data of the specified thread id\n"
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printf " -p processid Collect data of the specified process id\n"
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printf " -h Help\e[0m\n\n"
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exit 0
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}
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if [ ! -n "$1" ] || [ ! -n "$2" ]; then
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usage
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fi
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opt_type="h"
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while getopts c:t:p:h opt
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do
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case $opt in
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c) opt_type="c" ;;
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t) opt_type="t" ;;
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p) opt_type="p" ;;
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h|?) usage ;;
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esac
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done
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# 执行后在当前目录下会生成采样数据 perf.data
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rm -rf perf.data
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# perf record -e cpu-clock --call-graph dwarf -C $2 -- sleep 5
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# perf record --call-graph lbr -C $2 -- sleep 5
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if [ $opt_type == "c" ]; then
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printf "\e[32m Collect data on cpu $2\e[0m\n"
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perf record -e cpu-clock --call-graph dwarf -C $2 -- sleep 5
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elif [ $opt_type == "t" ]; then
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printf "\e[32m Collect data on thread $2\e[0m\n"
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perf record -e cpu-clock --call-graph dwarf -t $2 -- sleep 5
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elif [ $opt_type == "p" ]; then
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printf "\e[32m Collect data on process $2\e[0m\n"
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perf record -e cpu-clock --call-graph dwarf -p $2 -- sleep 5
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else
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usage
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fi
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if [ ! -f "perf.data" ]; then
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echo "Please Collect data !"
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exit 0
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fi
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if [ ! -d FlameGraph ]; then
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echo "git clone https://github.com/brendangregg/FlameGraph.git"
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git clone https://github.com/brendangregg/FlameGraph.git
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fi
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rm -rf perf.unfold
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rm -rf perf.folded
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rm -rf perf.svg
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printf "\e[32m Convert data to flame graph\e[0m\n"
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# 用 perf script 工具对 perf.data 进行解析
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perf script -i perf.data &> perf.unfold
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# 将 perf.unfold 中的符号进行折叠
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./FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
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# 生成 svg 图
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./FlameGraph/flamegraph.pl perf.folded > perf.svg
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# 使用浏览器查看 perf.svg, 在浏览器中使用 Ctrl + F 进行关键字搜索
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