Use perf to profile

Installation

perf is available in the linux-tools package.

To enable perf to profile user-space applications, you need to install the linux-tools-generic package.

To enable perf to profile kernel-space applications, you need to install the linux-tools-uname -r` package.

sudo apt install linux-tools-common linux-tools-generic linux-tools-`uname -r

 sudo sysctl kernel.perf_event_paranoid=-1
 sudo sysctl kernel.kptr_restrict=0
 sudo mount -o remount,mode=755 /sys/kernel/tracing/

Usage

perf record -- <command>