Commit ac6772e8 authored by Andrea Righi's avatar Andrea Righi Committed by Tejun Heo
Browse files

sched_ext: Add migration-disabled counter to error state dump 



Include the task's migration-disabled counter when dumping task state
during an error exit.

This can help diagnose cases where tasks can get stuck, because they're
unable to migrate elsewhere.

tj: s/nomig/no_mig/ for readability and consistency with other keys.

Signed-off-by: default avatarAndrea Righi <arighi@nvidia.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 47d9f821

kernel/sched/ext.c

+2 −1
Original line number Diff line number Diff line
@@ -4167,7 +4167,8 @@ static void scx_dump_task(struct seq_buf *s, struct scx_dump_ctx *dctx, 
		  p->scx.sticky_cpu, p->scx.holding_cpu, dsq_id_buf);

	dump_line(s, "      dsq_vtime=%llu slice=%llu weight=%u",

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

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

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

		  p->migration_disabled);



	if (SCX_HAS_OP(sch, dump_task)) {

		ops_dump_init(s, "    ");