Re: [PATCH 09/10] sched/balancing: Vertically align the comments of 'struct sg_lb_stats' and 'struct sd_lb_stats'

From: Vincent Guittot
Date: Fri Mar 08 2024 - 07:02:06 EST


On Fri, 8 Mar 2024 at 11:59, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> Make them easier to read.
>
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
> Reviewed-by: Valentin Schneider <vschneid@xxxxxxxxxx>
> Cc: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Shrikanth Hegde <sshegde@xxxxxxxxxxxxx>
> Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>

Reviewed-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>

> ---
> kernel/sched/fair.c | 34 +++++++++++++++++-----------------
> 1 file changed, 17 insertions(+), 17 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index b567c0790f44..40b98e43d794 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -9436,19 +9436,19 @@ static void update_blocked_averages(int cpu)
> * sg_lb_stats - stats of a sched_group required for load_balancing
> */
> struct sg_lb_stats {
> - unsigned long avg_load; /*Avg load across the CPUs of the group */
> - unsigned long group_load; /* Total load over the CPUs of the group */
> + unsigned long avg_load; /* Avg load across the CPUs of the group */
> + unsigned long group_load; /* Total load over the CPUs of the group */
> unsigned long group_capacity;
> - unsigned long group_util; /* Total utilization over the CPUs of the group */
> - unsigned long group_runnable; /* Total runnable time over the CPUs of the group */
> - unsigned int sum_nr_running; /* Nr of tasks running in the group */
> - unsigned int sum_h_nr_running; /* Nr of CFS tasks running in the group */
> + unsigned long group_util; /* Total utilization over the CPUs of the group */
> + unsigned long group_runnable; /* Total runnable time over the CPUs of the group */
> + unsigned int sum_nr_running; /* Nr of tasks running in the group */
> + unsigned int sum_h_nr_running; /* Nr of CFS tasks running in the group */
> unsigned int idle_cpus;
> unsigned int group_weight;
> enum group_type group_type;
> - unsigned int group_asym_packing; /* Tasks should be moved to preferred CPU */
> - unsigned int group_smt_balance; /* Task on busy SMT be moved */
> - unsigned long group_misfit_task_load; /* A CPU has a task too big for its capacity */
> + unsigned int group_asym_packing; /* Tasks should be moved to preferred CPU */
> + unsigned int group_smt_balance; /* Task on busy SMT be moved */
> + unsigned long group_misfit_task_load; /* A CPU has a task too big for its capacity */
> #ifdef CONFIG_NUMA_BALANCING
> unsigned int nr_numa_running;
> unsigned int nr_preferred_running;
> @@ -9460,15 +9460,15 @@ struct sg_lb_stats {
> * during load balancing.
> */
> struct sd_lb_stats {
> - struct sched_group *busiest; /* Busiest group in this sd */
> - struct sched_group *local; /* Local group in this sd */
> - unsigned long total_load; /* Total load of all groups in sd */
> - unsigned long total_capacity; /* Total capacity of all groups in sd */
> - unsigned long avg_load; /* Average load across all groups in sd */
> - unsigned int prefer_sibling; /* tasks should go to sibling first */
> + struct sched_group *busiest; /* Busiest group in this sd */
> + struct sched_group *local; /* Local group in this sd */
> + unsigned long total_load; /* Total load of all groups in sd */
> + unsigned long total_capacity; /* Total capacity of all groups in sd */
> + unsigned long avg_load; /* Average load across all groups in sd */
> + unsigned int prefer_sibling; /* tasks should go to sibling first */
>
> - struct sg_lb_stats busiest_stat;/* Statistics of the busiest group */
> - struct sg_lb_stats local_stat; /* Statistics of the local group */
> + struct sg_lb_stats busiest_stat; /* Statistics of the busiest group */
> + struct sg_lb_stats local_stat; /* Statistics of the local group */
> };
>
> static inline void init_sd_lb_stats(struct sd_lb_stats *sds)
> --
> 2.40.1
>