From: Shivappa Vikas <vikas.shivappa@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org, hpa@zytor.com,
peterz@infradead.org, ravi.v.shankar@intel.com,
vikas.shivappa@intel.com, tony.luck@intel.com,
fenghua.yu@intel.com, andi.kleen@intel.com
Subject: Re: [PATCH 19/21] x86/intel_rdt/mbm: Basic counting of MBM events (total and local)
Date: Thu, 6 Jul 2017 16:39:44 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1707061637510.3798@vshiva-Udesk> (raw)
In-Reply-To: <alpine.DEB.2.20.1707021543590.2296@nanos>
On Sun, 2 Jul 2017, Thomas Gleixner wrote:
>> INIT_LIST_HEAD(&r->evt_list);
>>
>> if (rdt_mon_features & (1 << QOS_L3_OCCUP_EVENT_ID))
>> list_add_tail(&llc_occupancy_event.list, &r->evt_list);
>> + if (is_mbm_total_enabled())
>> + list_add_tail(&mbm_total_event.list, &r->evt_list);
>> + if (is_mbm_local_enabled())
>> + list_add_tail(&mbm_local_event.list, &r->evt_list);
>
> Confused. This hooks all monitoring features to RDT_RESOURCE_L3. Why?
They are really L3 resource events as per the spec.
CPUID.(EAX=0FH, ECX=0):EDX.L3[bit 1] = 1 if L3 monitoring and we query for all
the llc_occupancy, l3 total and local b/w with the same resource id 1.
>
> Thanks,
>
> tglx
>
>
>
next prev parent reply other threads:[~2017-07-06 23:38 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 18:55 [PATCH V1 00/21] x86/cqm3: Resctrl based cqm Vikas Shivappa
2017-06-26 18:55 ` [PATCH 01/21] x86/perf/cqm: Wipe out perf " Vikas Shivappa
2017-06-26 18:55 ` [PATCH 02/21] x86/intel_rdt: Fix memory leak during mount Vikas Shivappa
2017-06-30 19:24 ` [tip:x86/urgent] x86/intel_rdt: Fix memory leak on mount failure tip-bot for Vikas Shivappa
2017-06-26 18:55 ` [PATCH 03/21] x86/intel_rdt/cqm: Documentation for resctrl based RDT Monitoring Vikas Shivappa
2017-06-26 18:55 ` [PATCH 04/21] x86/intel_rdt: Introduce a common compile option for RDT Vikas Shivappa
2017-06-26 18:55 ` [PATCH 05/21] x86/intel_rdt: Change file names to accommodate RDT monitor code Vikas Shivappa
2017-06-26 18:55 ` [PATCH 06/21] x86/intel_rdt: Cleanup namespace to support RDT monitoring Vikas Shivappa
2017-06-26 18:55 ` [PATCH 07/21] x86/intel_rdt/cqm: Add RDT monitoring initialization Vikas Shivappa
2017-07-02 9:14 ` Thomas Gleixner
2017-07-06 21:07 ` Shivappa Vikas
2017-06-26 18:55 ` [PATCH 08/21] x86/intel_rdt/cqm: Add RMID(Resource monitoring ID) management Vikas Shivappa
2017-07-02 10:05 ` Thomas Gleixner
2017-07-03 9:55 ` Thomas Gleixner
2017-07-05 15:34 ` Peter Zijlstra
2017-07-05 17:25 ` Thomas Gleixner
2017-07-11 23:54 ` Shivappa Vikas
2017-07-12 20:14 ` Thomas Gleixner
2017-07-05 17:59 ` Tony Luck
2017-07-06 6:51 ` Thomas Gleixner
2017-06-26 18:55 ` [PATCH 09/21] x86/intel_rdt: Simplify info and base file lists Vikas Shivappa
2017-07-02 10:09 ` Thomas Gleixner
2017-07-06 21:09 ` Shivappa Vikas
2017-06-26 18:55 ` [PATCH 10/21] x86/intel_rdt/cqm: Add info files for RDT monitoring Vikas Shivappa
2017-06-26 18:55 ` [PATCH 11/21] x86/intel_rdt/cqm: Add mkdir support " Vikas Shivappa
2017-07-02 10:58 ` Thomas Gleixner
2017-07-06 21:23 ` Shivappa Vikas
2017-06-26 18:55 ` [PATCH 12/21] x86/intel_rdt/cqm: Add tasks file support Vikas Shivappa
2017-07-02 11:01 ` Thomas Gleixner
2017-07-06 21:25 ` Shivappa Vikas
2017-06-26 18:56 ` [PATCH 13/21] x86/intel_rdt/cqm: Add cpus " Vikas Shivappa
2017-07-02 11:11 ` Thomas Gleixner
2017-07-06 21:26 ` Shivappa Vikas
2017-07-02 12:29 ` Thomas Gleixner
2017-07-06 21:42 ` Shivappa Vikas
2017-07-07 6:44 ` Thomas Gleixner
2017-07-13 18:37 ` Shivappa Vikas
2017-07-13 22:09 ` Shivappa Vikas
2017-06-26 18:56 ` [PATCH 14/21] x86/intel_rdt/cqm: Add mon_data Vikas Shivappa
2017-07-02 12:43 ` Thomas Gleixner
2017-07-06 21:48 ` Shivappa Vikas
2017-07-07 6:22 ` Thomas Gleixner
2017-07-11 21:17 ` Shivappa Vikas
2017-07-11 21:37 ` Luck, Tony
2017-06-26 18:56 ` [PATCH 15/21] x86/intel_rdt/cqm: Add rmdir support Vikas Shivappa
2017-07-02 13:16 ` Thomas Gleixner
2017-07-06 21:49 ` Shivappa Vikas
2017-06-26 18:56 ` [PATCH 16/21] x86/intel_rdt/cqm: Add mount,umount support Vikas Shivappa
2017-07-02 13:22 ` Thomas Gleixner
2017-07-06 21:58 ` Shivappa Vikas
2017-06-26 18:56 ` [PATCH 17/21] x86/intel_rdt/cqm: Add sched_in support Vikas Shivappa
2017-07-02 13:37 ` Thomas Gleixner
2017-07-06 23:35 ` Shivappa Vikas
2017-06-26 18:56 ` [PATCH 18/21] x86/intel_rdt/cqm: Add hotcpu support Vikas Shivappa
2017-06-26 18:56 ` [PATCH 19/21] x86/intel_rdt/mbm: Basic counting of MBM events (total and local) Vikas Shivappa
2017-07-02 13:46 ` Thomas Gleixner
2017-07-06 23:39 ` Shivappa Vikas [this message]
2017-07-07 6:47 ` Thomas Gleixner
2017-06-26 18:56 ` [PATCH 20/21] x86/intel_rdt/mbm: Add mbm counter initialization Vikas Shivappa
2017-06-26 18:56 ` [PATCH 21/21] x86/intel_rdt/mbm: Handle counter overflow Vikas Shivappa
2017-07-02 13:57 ` Thomas Gleixner
2017-07-06 23:53 ` Shivappa Vikas
2017-07-07 6:50 ` Thomas Gleixner
2017-07-10 17:54 ` Luck, Tony
2017-07-11 15:22 ` Thomas Gleixner
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