Off-CPU-time analysis

Off-CPU analysis is where the program behavior when it is not running is recorded and analysed. See Brendan Gregg’s eBPF based off-CPU analysis . While on-CPU performance monitoring tools such as perf give you an idea of where the program is actively spending its time, they won’t tell you where the program is spending time blocked waiting for an action. Off-CPU analysis reveals information about where the program is spending time passively . Installation Install the tools from github.com/iovisor/bcc