From 7a8342a0489d3d56b1f6f2cdd13521682957cbd7 Mon Sep 17 00:00:00 2001
From: luwenpeng <luwenpeng@zdjizhi.com>
Date: Wed, 14 Jul 2021 10:44:54 +0000
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E8=84=9A=E6=9C=AC=E7=94=A8?=
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---
 FlameGraph/1_collect_data.sh    | 10 ++++++++++
 FlameGraph/2_conversion_data.sh | 26 ++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 FlameGraph/1_collect_data.sh
 create mode 100644 FlameGraph/2_conversion_data.sh

diff --git a/FlameGraph/1_collect_data.sh b/FlameGraph/1_collect_data.sh
new file mode 100644
index 0000000..948e515
--- /dev/null
+++ b/FlameGraph/1_collect_data.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ ! -n "$1" ]; then
+	echo "Please input CPU ID !"
+	exit 0
+fi
+
+# 执行后在当前目录下会生成采样数据 perf.data
+rm -rf perf.data
+perf record -e cpu-clock --call-graph dwarf -C $1 -- sleep 10
diff --git a/FlameGraph/2_conversion_data.sh b/FlameGraph/2_conversion_data.sh
new file mode 100644
index 0000000..230e638
--- /dev/null
+++ b/FlameGraph/2_conversion_data.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if [ ! -f "perf.data" ]; then
+	echo "Please Collect data !"
+	exit 0
+fi
+
+if [ ! -d FlameGraph ]; then
+	echo "git clone https://github.com/brendangregg/FlameGraph.git"
+	git clone https://github.com/brendangregg/FlameGraph.git
+fi
+
+rm -rf perf.unfold
+rm -rf perf.folded
+rm -rf perf.svg
+
+# 用 perf script 工具对 perf.data 进行解析
+perf script -i perf.data &> perf.unfold
+
+# 将 perf.unfold 中的符号进行折叠
+./FlameGraph/stackcollapse-perf.pl perf.unfold &> perf.folded
+
+# 生成 svg 图
+./FlameGraph/flamegraph.pl perf.folded > perf.svg
+
+# 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