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sched_ext: Relocate scx_event_stats definition

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In prepration of moving event_stats_cpu into scx_sched, move scx_event_stats
definitions above scx_sched definition. No functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Acked-by: Changwoo Min <changwoo@igalia.com>
This commit is contained in:
Tejun Heo 2025-04-29 08:40:10 -10:00
parent 8409b800a0
commit f97a79156a
1 changed files with 57 additions and 57 deletions
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114
kernel/sched/ext.c
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@ -766,6 +766,63 @@ enum scx_opi {
SCX_OPI_END = SCX_OP_IDX(init),
};
/*
* Collection of event counters. Event types are placed in descending order.
*/
struct scx_event_stats {
/*
* If ops.select_cpu() returns a CPU which can't be used by the task,
* the core scheduler code silently picks a fallback CPU.
*/
s64 SCX_EV_SELECT_CPU_FALLBACK;
/*
* When dispatching to a local DSQ, the CPU may have gone offline in
* the meantime. In this case, the task is bounced to the global DSQ.
*/
s64 SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE;
/*
* If SCX_OPS_ENQ_LAST is not set, the number of times that a task
* continued to run because there were no other tasks on the CPU.
*/
s64 SCX_EV_DISPATCH_KEEP_LAST;
/*
* If SCX_OPS_ENQ_EXITING is not set, the number of times that a task
* is dispatched to a local DSQ when exiting.
*/
s64 SCX_EV_ENQ_SKIP_EXITING;
/*
* If SCX_OPS_ENQ_MIGRATION_DISABLED is not set, the number of times a
* migration disabled task skips ops.enqueue() and is dispatched to its
* local DSQ.
*/
s64 SCX_EV_ENQ_SKIP_MIGRATION_DISABLED;
/*
* Total number of times a task's time slice was refilled with the
* default value (SCX_SLICE_DFL).
*/
s64 SCX_EV_REFILL_SLICE_DFL;
/*
* The total duration of bypass modes in nanoseconds.
*/
s64 SCX_EV_BYPASS_DURATION;
/*
* The number of tasks dispatched in the bypassing mode.
*/
s64 SCX_EV_BYPASS_DISPATCH;
/*
* The number of times the bypassing mode has been activated.
*/
s64 SCX_EV_BYPASS_ACTIVATE;
};
struct scx_sched {
struct sched_ext_ops ops;
DECLARE_BITMAP(has_op, SCX_OPI_END);
@ -1542,63 +1599,6 @@ static struct task_struct *scx_task_iter_next_locked(struct scx_task_iter *iter)
return p;
}
/*
* Collection of event counters. Event types are placed in descending order.
*/
struct scx_event_stats {
/*
* If ops.select_cpu() returns a CPU which can't be used by the task,
* the core scheduler code silently picks a fallback CPU.
*/
s64 SCX_EV_SELECT_CPU_FALLBACK;
/*
* When dispatching to a local DSQ, the CPU may have gone offline in
* the meantime. In this case, the task is bounced to the global DSQ.
*/
s64 SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE;
/*
* If SCX_OPS_ENQ_LAST is not set, the number of times that a task
* continued to run because there were no other tasks on the CPU.
*/
s64 SCX_EV_DISPATCH_KEEP_LAST;
/*
* If SCX_OPS_ENQ_EXITING is not set, the number of times that a task
* is dispatched to a local DSQ when exiting.
*/
s64 SCX_EV_ENQ_SKIP_EXITING;
/*
* If SCX_OPS_ENQ_MIGRATION_DISABLED is not set, the number of times a
* migration disabled task skips ops.enqueue() and is dispatched to its
* local DSQ.
*/
s64 SCX_EV_ENQ_SKIP_MIGRATION_DISABLED;
/*
* Total number of times a task's time slice was refilled with the
* default value (SCX_SLICE_DFL).
*/
s64 SCX_EV_REFILL_SLICE_DFL;
/*
* The total duration of bypass modes in nanoseconds.
*/
s64 SCX_EV_BYPASS_DURATION;
/*
* The number of tasks dispatched in the bypassing mode.
*/
s64 SCX_EV_BYPASS_DISPATCH;
/*
* The number of times the bypassing mode has been activated.
*/
s64 SCX_EV_BYPASS_ACTIVATE;
};
/*
* The event counter is organized by a per-CPU variable to minimize the
* accounting overhead without synchronization. A system-wide view on the