On Wed, Jul 28, 2021 at 06:26:44PM +0530, Shivank Garg wrote:

Hi Everyone,

I'm analyzing the cpu time taken ("se.sum_exec_runtime" in
/proc/$pid/sched) by process in different configurations for my
project work. But I was not able to get the time units for the values
displayed in the file. I tried searching it in source code -
kernel/sched/cputime.c,include/linux/sched.h etc. but it left me more
confused.

include/linux/sched/types.h: * @sum_exec_runtime:       total time spent on the CPU, in nanoseconds

why did that leave you more confused?