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
next prev parent reply other threads:[~2025-06-26 14:19 UTC|newest]
Thread overview: 114+ 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
2025-06-25 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
2025-06-25 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
2025-06-25 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
2025-06-25 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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