PerfUserGuide - kernel - a user guide to Linux performance event counters (perf) - Google production server Linux kernel development - Google Project Hosting

PerfUserGuide - kernel - a user guide to Linux performance event counters (perf) - Google production server Linux kernel development - Google Project Hosting: "Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU hardware differences in Linux performance measurements and presents a simple commandline interface. Perf is based on the perf_events interface exported by recent versions of the Linux kernel. This article demonstrates the perf tool through example runs. Output was obtained on a Ubuntu 11.04 system with kernel 2.6.38-8-generic results running on an HP 6710b with dual-core Intel Core2 T7100 CPU). For readability, some output is abbreviated using ellipsis ([...])."