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From: "Moger, Babu" <babu.moger@amd.com>
To: Reinette Chatre <reinette.chatre@intel.com>,
	corbet@lwn.net, tony.luck@intel.com, Dave.Martin@arm.com,
	james.morse@arm.com, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, dave.hansen@linux.intel.com
Cc: x86@kernel.org, hpa@zytor.com, akpm@linux-foundation.org,
	rostedt@goodmis.org, paulmck@kernel.org, thuth@redhat.com,
	ardb@kernel.org, gregkh@linuxfoundation.org, seanjc@google.com,
	thomas.lendacky@amd.com, pawan.kumar.gupta@linux.intel.com,
	manali.shukla@amd.com, perry.yuan@amd.com, kai.huang@intel.com,
	peterz@infradead.org, xiaoyao.li@intel.com,
	kan.liang@linux.intel.com, mario.limonciello@amd.com,
	xin3.li@intel.com, gautham.shenoy@amd.com, xin@zytor.com,
	chang.seok.bae@intel.com, fenghuay@nvidia.com,
	peternewman@google.com, maciej.wieczor-retman@intel.com,
	eranian@google.com, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v14 14/32] fs/resctrl: Introduce interface to display number of free MBM counters
Date: Thu, 26 Jun 2025 09:19:43 -0500	[thread overview]
Message-ID: <bbac36ef-e03e-4c73-8975-38ff2c85183e@amd.com> (raw)
In-Reply-To: <d0e29689-c2c0-4283-a688-f5de92b2df48@intel.com>

Hi Reinette,

On 6/24/25 18:41, Reinette Chatre wrote:
> 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.

Sure. Changed it to.

rdt_last_cmd_puts("mbm_event mode is not enabled\n");

-- 
Thanks
Babu Moger

  reply	other threads:[~2025-06-26 14:19 UTC|newest]

Thread overview: 118+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-13 21:04 [PATCH v14 00/32] fs,x86/resctrl: Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-06-13 21:04 ` [PATCH v14 01/32] x86,fs/resctrl: Remove unappropriate references to cacheinfo in the resctrl subsystem Babu Moger
2025-06-13 21:04 ` [PATCH v14 02/32] x86,fs/resctrl: Consolidate monitor event descriptions Babu Moger
2025-06-24 21:28   ` Reinette Chatre
2025-06-25 15:57     ` Moger, Babu
2025-06-25 17:55       ` Luck, Tony
2025-06-25 20:12         ` Luck, Tony
2025-06-25 22:31           ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 03/32] x86,fs/resctrl: Replace architecture event enabled checks Babu Moger
2025-06-13 21:04 ` [PATCH v14 04/32] x86/resctrl: Remove 'rdt_mon_features' global variable Babu Moger
2025-06-13 21:04 ` [PATCH v14 05/32] x86,fs/resctrl: Prepare for more monitor events Babu Moger
2025-06-24 21:30   ` Reinette Chatre
2025-06-13 21:04 ` [PATCH v14 06/32] x86/cpufeatures: Add support for Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-06-24 21:31   ` Reinette Chatre
2025-06-25 16:28     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 07/32] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2025-06-13 21:04 ` [PATCH v14 08/32] x86,fs/resctrl: Consolidate monitoring related data from rdt_resource Babu Moger
2025-06-24 21:32   ` Reinette Chatre
2025-06-25 16:53     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 09/32] x86/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2025-06-24 21:33   ` Reinette Chatre
2025-06-25 17:58     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 10/32] x86/resctrl: Add support to enable/disable AMD ABMC feature Babu Moger
2025-06-24 22:37   ` Reinette Chatre
2025-06-25 19:50     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 11/32] fs/resctrl: Introduce the interface to display monitoring modes Babu Moger
2025-06-24 22:47   ` Reinette Chatre
2025-06-25 20:14     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 12/32] fs/resctrl: Introduce interface to display number of assignable counter IDs Babu Moger
2025-06-24 23:05   ` Reinette Chatre
2025-06-25 20:33     ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 13/32] fs/resctrl: Introduce mbm_cntr_cfg to track assignable counters per domain Babu Moger
2025-06-24 23:31   ` Reinette Chatre
2025-06-26  1:31     ` Moger, Babu
2025-06-26 15:05       ` Reinette Chatre
2025-06-26 15:46         ` Moger, Babu
2025-06-13 21:04 ` [PATCH v14 14/32] fs/resctrl: Introduce interface to display number of free MBM counters Babu Moger
2025-06-24 23:39   ` Reinette Chatre
2025-06-26 14:17     ` Moger, Babu
2025-06-24 23:41   ` Reinette Chatre
2025-06-26 14:19     ` Moger, Babu [this message]
2025-06-13 21:04 ` [PATCH v14 15/32] x86/resctrl: Add data structures and definitions for ABMC assignment Babu Moger
2025-06-13 21:05 ` [PATCH v14 16/32] x86,fs/resctrl: Introduce event configuration field in struct mon_evt Babu Moger
2025-06-24 23:51   ` Reinette Chatre
2025-06-26 16:47     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 17/32] x86/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC Babu Moger
2025-06-25  3:03   ` Reinette Chatre
2025-06-26 17:41     ` Moger, Babu
2025-06-26 18:02       ` Reinette Chatre
2025-06-26 18:35         ` Moger, Babu
2025-06-26 20:24           ` Reinette Chatre
2025-06-13 21:05 ` [PATCH v14 18/32] fs/resctrl: Add the functionality to assign MBM events Babu Moger
2025-06-14 11:46   ` kernel test robot
2025-06-25  3:32   ` Reinette Chatre
2025-06-26 19:31     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 19/32] fs/resctrl: Add the functionality to unassign " Babu Moger
2025-06-14 13:53   ` kernel test robot
2025-06-25  3:38   ` Reinette Chatre
2025-06-26 21:12     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 20/32] fs/resctrl: Report 'Unassigned' for MBM events in mbm_event mode Babu Moger
2025-06-25  4:14   ` Reinette Chatre
2025-06-27  1:34     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 21/32] fs/resctrl: Pass entire struct rdtgroup rather than passing individual members Babu Moger
2025-06-25  4:18   ` Reinette Chatre
2025-06-30 13:57     ` Moger, Babu
2025-06-30 15:44       ` Reinette Chatre
2025-06-30 20:58         ` Moger, Babu
2025-06-30 21:59           ` Reinette Chatre
2025-06-30 22:47             ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 22/32] x86,fs/resctrl: Add the support for reading ABMC counters Babu Moger
2025-06-13 21:05 ` [PATCH v14 23/32] fs/resctrl: Add definitions for MBM event configuration Babu Moger
2025-06-14 19:37   ` kernel test robot
2025-06-25  4:32   ` Reinette Chatre
2025-06-30 17:20     ` Moger, Babu
2025-06-30 21:58       ` Reinette Chatre
2025-06-30 22:51         ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 24/32] fs/resctrl: Add event configuration directory under info/L3_MON/ Babu Moger
2025-06-25 23:23   ` Reinette Chatre
2025-06-30 19:06     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 25/32] fs/resctrl: Provide interface to update the event configurations Babu Moger
2025-06-14 15:59   ` kernel test robot
2025-06-25 23:21   ` Reinette Chatre
2025-07-01  0:43     ` Moger, Babu
2025-07-01  1:33       ` Reinette Chatre
2025-07-01 16:14         ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 26/32] fs/resctrl: Introduce mbm_assign_on_mkdir to enable assignments on mkdir Babu Moger
2025-06-25 23:24   ` Reinette Chatre
2025-07-01 16:23     ` Moger, Babu
2025-07-01 16:37       ` Reinette Chatre
2025-06-13 21:05 ` [PATCH v14 27/32] x86,fs/resctrl: Auto assign/unassign counters " Babu Moger
2025-06-25 23:25   ` Reinette Chatre
2025-07-01 19:06     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 28/32] fs/resctrl: Introduce mbm_L3_assignments to list assignments in a group Babu Moger
2025-06-25 23:27   ` Reinette Chatre
2025-07-01 19:48     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 29/32] fs/resctrl: Introduce the interface to modify " Babu Moger
2025-06-25 23:38   ` Reinette Chatre
2025-07-02  2:18     ` Moger, Babu
2025-07-02  2:56       ` Reinette Chatre
2025-06-13 21:05 ` [PATCH v14 30/32] fs/resctrl: Hide the BMEC related files when mbm_event mode is enabled Babu Moger
2025-06-25 23:39   ` Reinette Chatre
2025-07-02 16:42     ` Moger, Babu
2025-07-02 17:21       ` Reinette Chatre
2025-07-02 19:04         ` Moger, Babu
2025-07-03 16:21           ` Reinette Chatre
2025-07-07 22:35             ` Moger, Babu
2025-07-08 13:27               ` Moger, Babu
2025-07-08 15:21                 ` Reinette Chatre
2025-07-08 15:43                   ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 31/32] fs/resctrl: Introduce the interface to switch between monitor modes Babu Moger
2025-06-25 23:40   ` Reinette Chatre
2025-07-02 17:39     ` Moger, Babu
2025-06-13 21:05 ` [PATCH v14 32/32] x86/resctrl: Configure mbm_event mode if supported Babu Moger
2025-06-25 23:40   ` Reinette Chatre
2025-07-02 17:45     ` Moger, Babu
2025-06-13 21:41 ` [PATCH v14 00/32] fs,x86/resctrl: Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Luck, Tony
2025-06-16 14:47   ` Moger, Babu
2025-06-24 21:25 ` Reinette Chatre

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