Re: [PATCH v14 14/32] fs/resctrl: Introduce interface to display number of free MBM counters

[Reinette Chatre]

Hi Babu,

On 6/13/25 2:04 PM, Babu Moger wrote:
> +static int resctrl_available_mbm_cntrs_show(struct kernfs_open_file *of,
> +					    struct seq_file *s, void *v)
> +{
> +	struct rdt_resource *r = rdt_kn_parent_priv(of->kn);
> +	struct rdt_mon_domain *dom;
> +	bool sep = false;
> +	u32 cntrs, i;
> +	int ret = 0;
> +
> +	cpus_read_lock();
> +	mutex_lock(&rdtgroup_mutex);
> +
> +	rdt_last_cmd_clear();
> +
> +	if (!resctrl_arch_mbm_cntr_assign_enabled(r)) {
> +		rdt_last_cmd_puts("mbm_cntr_assign mode is not enabled\n");

Missed this in earlier response ... needs update to new terms.

Reinette