Re: [PATCH] sched/cputime: Make IRQ time accounting configurable at boot time
From: Peter Zijlstra
Date: Fri Jun 16 2023 - 03:45:44 EST
On Thu, Jun 15, 2023 at 01:37:26PM -0700, Bart Van Assche wrote:
> Some producers of Android devices want IRQ time accounting enabled while
> others want IRQ time accounting disabled. Hence, make IRQ time accounting
> configurable at boot time.
Why would they want this disabled? IRQ time accounting avoids a number
of issues under high irq/softirq pressure.
Disabling this makes no sense.