Re: [PATCH v2 -next] cgroup/rstat: add force idle show helper

From: Tejun Heo
Date: Tue Jul 02 2024 - 13:20:25 EST


Hello,

On Tue, Jul 02, 2024 at 02:28:22AM +0000, Chen Ridong wrote:
...
> if (cgroup_parent(cgrp)) {
> cgroup_rstat_flush_hold(cgrp);
> usage = cgrp->bstat.cputime.sum_exec_runtime;
> cputime_adjust(&cgrp->bstat.cputime, &cgrp->prev_cputime,
> &utime, &stime);
> -#ifdef CONFIG_SCHED_CORE
> - forceidle_time = cgrp->bstat.forceidle_sum;
> -#endif
> + bstat = cgrp->bstat;

Please don't copy non-trivial struct like this. Maybe add a pointer which
points to the bstat to use?

Thanks.

--
tejun