hulk inclusion category: performance bugzilla: https://gitee.com/openeuler/kernel/issues/I9MSNE?from=project-issue CVE: NA

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Consider optimizing performance by inlining high-frequency hotspot functions.

The test results are as follows: base base+this patch

fork_proc 438.5427333ms 420.5897667ms (4.27%)

Signed-off-by: Zhang Qiao zhangqiao22@huawei.com Signed-off-by: Li Zetao lizetao1@huawei.com --- kernel/sched/fair.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 8de28b182763..0a68bd3b9143 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8448,7 +8448,7 @@ 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; @@ -8536,7 +8536,7 @@ 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))