DELAEMON BLOG

Live as if you were to die tomorrow. Learn as if you were to live forever.

2016-02-06から1日間の記事一覧

perf on Fedora22

perf: Linux profiling with performance counters Perf Wikiインストール $ sudo dnf isntall perf てきとうなコードを用意 $ gcc fib.c -o fib イベント数を取得 $ perf stat ./fib 832040 failed to read counter stalled-cycles-frontend failed to read…