Commit 382d7efc authored by Andrea Righi's avatar Andrea Righi Committed by Tejun Heo
Browse files

sched_ext: Include remaining task time slice in error state dump 



Report the remaining time slice when dumping task information during an
error exit.

This information can be useful for tracking incorrect or excessively
long time slices in schedulers that implement dynamic time slice logic.

Signed-off-by: default avatarAndrea Righi <arighi@nvidia.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent e4975ac5

kernel/sched/ext.c

+2 −2
Original line number Diff line number Diff line
@@ -5218,9 +5218,9 @@ static void scx_dump_task(struct seq_buf *s, struct scx_dump_ctx *dctx, 
		  scx_get_task_state(p), p->scx.flags & ~SCX_TASK_STATE_MASK,

		  p->scx.dsq_flags, ops_state & SCX_OPSS_STATE_MASK,

		  ops_state >> SCX_OPSS_QSEQ_SHIFT);

	dump_line(s, "      sticky/holding_cpu=%d/%d dsq_id=%s dsq_vtime=%llu",

	dump_line(s, "      sticky/holding_cpu=%d/%d dsq_id=%s dsq_vtime=%llu slice=%llu",

		  p->scx.sticky_cpu, p->scx.holding_cpu, dsq_id_buf,

		  p->scx.dsq_vtime);

		  p->scx.dsq_vtime, p->scx.slice);

	dump_line(s, "      cpus=%*pb", cpumask_pr_args(p->cpus_ptr));



	if (SCX_HAS_OP(dump_task)) {