27 lines
649 B
Bash
27 lines
649 B
Bash
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#!/bin/bash
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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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# 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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