[PATCH 04/17] sched/debug: Remove unused schedstats
From: Shrikanth Hegde <hidden>
Date: 2025-11-19 12:45:52
Also in:
lkml
Subsystem:
scheduler, the rest · Maintainers:
Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
nr_migrations_cold, nr_wakeups_passive and nr_wakeups_idle are not being updated anywhere. So remove them. This will help to add couple more stats in the next patch without bloating the size. These are per process stats. So updating sched stats version isn't necessary. Signed-off-by: Shrikanth Hegde <redacted> --- include/linux/sched.h | 3 --- kernel/sched/debug.c | 3 --- 2 files changed, 6 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index bb436ee1942d..f802bfd7120f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h@@ -545,7 +545,6 @@ struct sched_statistics { s64 exec_max; u64 slice_max; - u64 nr_migrations_cold; u64 nr_failed_migrations_affine; u64 nr_failed_migrations_running; u64 nr_failed_migrations_hot;
@@ -558,8 +557,6 @@ struct sched_statistics { u64 nr_wakeups_remote; u64 nr_wakeups_affine; u64 nr_wakeups_affine_attempts; - u64 nr_wakeups_passive; - u64 nr_wakeups_idle; #ifdef CONFIG_SCHED_CORE u64 core_forceidle_sum;
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 41caa22e0680..2cb3ffc653df 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c@@ -1182,7 +1182,6 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, P_SCHEDSTAT(wait_count); PN_SCHEDSTAT(iowait_sum); P_SCHEDSTAT(iowait_count); - P_SCHEDSTAT(nr_migrations_cold); P_SCHEDSTAT(nr_failed_migrations_affine); P_SCHEDSTAT(nr_failed_migrations_running); P_SCHEDSTAT(nr_failed_migrations_hot);
@@ -1194,8 +1193,6 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, P_SCHEDSTAT(nr_wakeups_remote); P_SCHEDSTAT(nr_wakeups_affine); P_SCHEDSTAT(nr_wakeups_affine_attempts); - P_SCHEDSTAT(nr_wakeups_passive); - P_SCHEDSTAT(nr_wakeups_idle); avg_atom = p->se.sum_exec_runtime; if (nr_switches)
--
2.47.3