Re: [PATCH v6 03/22] x86/resctrl: Consolidate monitoring related data from rdt_resource

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Hi Babu,

On 8/6/24 3:00 PM, Babu Moger wrote:
The cache allocation and memory bandwidth allocation feature properties
are consolidated into cache and membw structures respectively.

"are consolidated into cache and membw structures respectively" ->
"are consolidated into struct resctrl_cache and struct resctrl_membw respectively"


In preparation for more monitoring properties that will clobber the
existing resource struct more, re-organize the monitoring specific
properties to also be in a separate structure.

Suggested-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
---

...

@@ -182,12 +182,21 @@ enum resctrl_scope {
  	RESCTRL_L3_NODE,
  };
+/**
+ * struct resctrl_mon - Monitoring related data

To capture that this is not global monitoring data but instead
resource specific:
"Monitoring related data" -> "Monitoring related data of a resctrl resource"

+ * @num_rmid:		Number of RMIDs available
+ * @evt_list:		List of monitoring events
+ */
+struct resctrl_mon {
+	int			num_rmid;
+	struct list_head	evt_list;
+};
+
  /**
   * struct rdt_resource - attributes of a resctrl resource
   * @rid:		The index of the resource
   * @alloc_capable:	Is allocation available on this machine
   * @mon_capable:	Is monitor feature available on this machine
- * @num_rmid:		Number of RMIDs available
   * @ctrl_scope:		Scope of this resource for control functions
   * @mon_scope:		Scope of this resource for monitor functions
   * @cache:		Cache allocation related data
@@ -199,7 +208,6 @@ enum resctrl_scope {
   * @default_ctrl:	Specifies default cache cbm or memory B/W percent.
   * @format_str:		Per resource format string to show domain value
   * @parse_ctrlval:	Per resource function pointer to parse control values
- * @evt_list:		List of monitoring events
   * @fflags:		flags to choose base and info files
   * @cdp_capable:	Is the CDP feature available on this resource
   */

Please add a kernel-doc entry for the new member.

@@ -207,11 +215,11 @@ struct rdt_resource {
  	int			rid;
  	bool			alloc_capable;
  	bool			mon_capable;
-	int			num_rmid;
  	enum resctrl_scope	ctrl_scope;
  	enum resctrl_scope	mon_scope;
  	struct resctrl_cache	cache;
  	struct resctrl_membw	membw;
+	struct resctrl_mon	mon;
  	struct list_head	ctrl_domains;
  	struct list_head	mon_domains;
  	char			*name;
@@ -221,7 +229,6 @@ struct rdt_resource {
  	int			(*parse_ctrlval)(struct rdt_parse_data *data,
  						 struct resctrl_schema *s,
  						 struct rdt_ctrl_domain *d);
-	struct list_head	evt_list;
  	unsigned long		fflags;
  	bool			cdp_capable;
  };

Reinette




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