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sched_ext: Include remaining task time slice in error state dump

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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: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Andrea Righi 2025-01-06 08:20:34 +01:00 committed by Tejun Heo
parent e4975ac535
commit 382d7efc14
1 changed files with 2 additions and 2 deletions
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4
kernel/sched/ext.c
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@ -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)) {