http://www.slideshare.net/brendangregg/presentations http://techblog.netflix.com/2015/07/java-in-flames.html http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/e8260b6328fb http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2014-June/014842.…

注:本文操作基于CentOS 系统 准备工作 用wget从https://sourceware.org/systemtap/ftp/releases/下载最新版的systemtap.tar.gz压缩包,然后解压../configure; make; make install 安装到目标主机:执行命令 stap -ve 'probe begin { log("hello systemtap!") exit() }' 如果提示pass 5: run completed ... 就表示安装成…

http://www.brendangregg.com/blog/2016-10-21/linux-efficient-profiler.html http://www.brendangregg.com/blog/2016-10-27/dtrace-for-linux-2016.html http://www.brendangregg.com/blog/2016-12-27/linux-tracing-in-15-minutes.html http://www.brendangregg.com/…

On mac os, programs may need Instruments to tuning, and when you face too many probe messages, you'll need some Flame Graphs. Here I introduce Brendan Gregg and his blog: http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html and he mestioned on…

1. nmon for Linux  用于监控Linux CPU.IO.网络等,可以生产excel格式的报表  http://nmon.sourceforge.net/pmwiki.php?n=Site.Download 2. sysstat 工具集,异常强大,运维必备,https://github.com/sysstat/sysstat   图形化工具:http://sourceforge.net/projects/ksar/ 3. ltrace 跟踪动态库调用  strace  跟踪系统调用…

http://www.brendangregg.com/methodology.html The USE Method: for finding resource bottlenecks The TSA Method: for analyzing application time Off-CPU Analysis: for analyzing any type of thread wait latency Active Benchmarking: for accurate and success…

http://www.brendangregg.com/blog/2016-08-09/gdb-example-ncurses.html…

http://www.brendangregg.com/blog/2016-09-28/java-warmup.html…

http://www.brendangregg.com/blog/2016-10-27/dtrace-for-linux-2016.html…

Linux的性能分析工具众多,在微博上发现了系统性能专家Brendan D. Gregg,在最近LinuxCon NA 2014大会上发布的关于Linux性能方面的talk和幻灯片.和去年比较,今年增加了测试和优化两部分.自己也算编程多年,对这些工具也只是用下而已,没有深入的研究.后续再对这些工具进分析,先引导组内的同学在实际项目中应用起来. 性能调试工具 性能优化工具 性能测试工具 详细资料以及后续跟踪:http://www.brendangregg.com/linuxperf.html…