perf

https://perf.wiki.kernel.org/index.php/Tutorial

http://www.brendangregg.com/perf.html

http://www.brendangregg.com/perf.html

http://www.brendangregg.com/perf.html

https://github.com/brendangregg/perf-tools

http://www.slideshare.net/brendangregg/scale2015-linux-perfprofiling

• slides: http://www.slideshare.net/brendangregg/linux-performance-analysis-new-tools-and-old-secrets
• video: https://www.usenix.org/conference/lisa14/conference-program/presentation/gregg