Unverified Commit 0fac4b66 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!6996 sched/fair: Optimize performance by inlining cpu_util_without() and cpu_util() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Zetao <lizetao1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AKNXH3QYKY3U37KOXOVDSAXJAF4OXV4F/ 
 
https://gitee.com/openeuler/kernel/issues/I9MSNE?from=project-issue 
 
Link:https://gitee.com/openeuler/kernel/pulls/6996

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents f7c1291d f7f64bb3

kernel/sched/fair.c

+2 −2
Original line number Diff line number Diff line
@@ -8510,7 +8510,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target) 
 *

 * Return: (Boosted) (estimated) utilization for the specified CPU.

 */

static unsigned long

static __always_inline unsigned long

cpu_util(int cpu, struct task_struct *p, int dst_cpu, int boost)

{

	struct cfs_rq *cfs_rq = &cpu_rq(cpu)->cfs;
@@ -8598,7 +8598,7 @@ unsigned long cpu_util_cfs_boost(int cpu) 
 * utilization of the specified task, whenever the task is currently

 * contributing to the CPU utilization.

 */

static unsigned long cpu_util_without(int cpu, struct task_struct *p)

static __always_inline unsigned long cpu_util_without(int cpu, struct task_struct *p)

{

	/* Task has no contribution or is new */

	if (cpu != task_cpu(p) || !READ_ONCE(p->se.avg.last_update_time))