ubuntu环境下安装perf工具

检查当前环境内核的版本，执行如下命令：

uname -a

输出信息如下：

Linux jackie-ubuntu 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:58:30 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

安装perf工具，执行如下命令：

sudo apt-get update
sudo apt-get upgrade
sudo apt-get autoremove
sudo apt-get install linux-tools-common linux-tools-$(uname -r)

查看perf工具的版本，执行如下命令：

perf --version

输出信息如下：

perf version 5.4.30

查看perf命令的使用帮助，输出信息如下：

 usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS]

 The most commonly used perf commands are:
   annotate        Read perf.data (created by perf record) and display annotated code
   archive         Create archive with object files with build-ids found in perf.data file
   bench           General framework for benchmark suites
   buildid-cache   Manage build-id cache.
   buildid-list    List the buildids in a perf.data file
   c2c             Shared Data C2C/HITM Analyzer.
   config          Get and set variables in a configuration file.
   data            Data file related processing
   diff            Read perf.data files and display the differential profile
   evlist          List the event names in a perf.data file
   ftrace          simple wrapper for kernel's ftrace functionality
   inject          Filter to augment the events stream with additional information
   kallsyms        Searches running kernel for symbols
   kmem            Tool to trace/measure kernel memory properties
   kvm             Tool to trace/measure kvm guest os
   list            List all symbolic event types
   lock            Analyze lock events
   mem             Profile memory accesses
   record          Run a command and record its profile into perf.data
   report          Read perf.data (created by perf record) and display the profile
   sched           Tool to trace/measure scheduler properties (latencies)
   script          Read perf.data (created by perf record) and display trace output
   stat            Run a command and gather performance counter statistics
   test            Runs sanity tests.
   timechart       Tool to visualize total system behavior during a workload
   top             System profiling tool.
   version         display the version of perf binary
   probe           Define new dynamic tracepoints
   trace           strace inspired tool

 See 'perf help COMMAND' for more information on a specific command.

参考资料

• ubuntu中安装perf
• 学会使用perf性能分析工具（含移植到arm-linux开发板）
• 手把手教你系统级性能分析工具perf的介绍与使用（超详细）
• 【Ubuntu】 Perf工具的使用
• perf性能分析工具使用分享
• Perf -- Linux下的系统性能调优工具
• Linux kernel profiling with perf
• Perfcounters added to the mainline
• Performance Counters on Linux The New Tools