Unverified Commit ecb0378f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4605 arm64/mpam: support resctrl fs to show mounting option 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/72HNY45WVL724KLREWNKDVWAMOEG2C4T/ 
 
https://gitee.com/openeuler/kernel/issues/I91UCV 
 
Link:https://gitee.com/openeuler/kernel/pulls/4605

 

Reviewed-by: default avatarWang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents cd8c7a59 acb64f38

arch/arm64/include/asm/resctrl.h

+1 −4
Original line number Diff line number Diff line
@@ -413,10 +413,7 @@ void resctrl_resource_reset(void); 


int resctrl_group_init_alloc(struct rdtgroup *rdtgrp);



static inline int __resctrl_group_show_options(struct seq_file *seq)

{

	return 0;

}

int __resctrl_group_show_options(struct seq_file *seq);



int resctrl_update_groups_config(struct rdtgroup *rdtgrp);

arch/arm64/kernel/mpam/mpam_ctrlmon.c

+34 −0
Original line number Diff line number Diff line
@@ -1025,3 +1025,37 @@ int resctrl_update_groups_config(struct rdtgroup *rdtgrp) 


	return ret;

}



int __resctrl_group_show_options(struct seq_file *seq)

{

	struct resctrl_resource *res;

	struct raw_resctrl_resource *r;



	res = mpam_resctrl_get_resource(RDT_RESOURCE_L3);

	if (res && res->cdp_enable)

		seq_puts(seq, ",cdpl3");



	res = mpam_resctrl_get_resource(RDT_RESOURCE_L2);

	if (res && res->cdp_enable)

		seq_puts(seq, ",cdpl2");



	r = mpam_get_raw_resctrl_resource(RDT_RESOURCE_L3);

	if (r && r->ctrl_features[SCHEMA_PBM].enabled)

		seq_puts(seq, ",caPbm");

	if (r && r->ctrl_features[SCHEMA_MAX].enabled)

		seq_puts(seq, ",caMax");

	if (r && r->ctrl_features[SCHEMA_PRI].enabled)

		seq_puts(seq, ",caPrio");



	r = mpam_get_raw_resctrl_resource(RDT_RESOURCE_MC);

	if (r && r->ctrl_features[SCHEMA_MAX].enabled)

		seq_puts(seq, ",mbMax");

	if (r && r->ctrl_features[SCHEMA_MIN].enabled)

		seq_puts(seq, ",mbMin");

	if (r && r->ctrl_features[SCHEMA_HDL].enabled)

		seq_puts(seq, ",mbHdl");

	if (r && r->ctrl_features[SCHEMA_PRI].enabled)

		seq_puts(seq, ",mbPrio");



	return 0;

}