Messages in this thread Patch in this message | | | Date | Wed, 23 Feb 2022 10:13:50 -0600 | Subject | [PATCH v2] kernel/sched: Update schedstats when migrating threads | From | Carlos Bilbao <> |
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The kernel manages per-task scheduler statistics or schedstats. Update function migrate_task_to() to increase the counter for migrations.
Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com> --- Changelog: v2: Update commit message, don't reinitialize sched fields. --- kernel/sched/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index fcf0c180617c..1360e501c737 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8751,7 +8751,7 @@ int migrate_task_to(struct task_struct *p, int target_cpu) if (!cpumask_test_cpu(target_cpu, p->cpus_ptr)) return -EINVAL; - /* TODO: This is not properly updating schedstats */ + schedstat_inc(p->stats.nr_migrations_cold); trace_sched_move_numa(p, curr_cpu, target_cpu); return stop_one_cpu(curr_cpu, migration_cpu_stop, &arg); -- 2.27.0
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