From: Reinette Chatre <reinette.chatre@intel.com>
To: "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@intel.com>,
"shuah@kernel.org" <shuah@kernel.org>,
"linux-kselftest@vger.kernel.org"
<linux-kselftest@vger.kernel.org>
Cc: "tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>, "Luck, Tony" <tony.luck@intel.com>,
"babu.moger@amd.com" <babu.moger@amd.com>,
"james.morse@arm.com" <james.morse@arm.com>,
"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V1 01/13] selftests/resctrl: Fix feature detection
Date: Wed, 11 Mar 2020 11:06:33 -0700 [thread overview]
Message-ID: <b83ba95d-9f0f-4d4f-b68c-c5a612afece4@intel.com> (raw)
In-Reply-To: <FFF73D592F13FD46B8700F0A279B802F573084EC@ORSMSX114.amr.corp.intel.com>
Hi Sai,
On 3/9/2020 3:51 PM, Prakhya, Sai Praneeth wrote:
>> -----Original Message-----
>> From: Reinette Chatre <reinette.chatre@intel.com>
>> Sent: Monday, March 9, 2020 3:34 PM
>
> [SNIP]
>
>>> That's a good point and makes sense to me. I think we could fix it in
>>> two ways 1. grep for strings in dmesg but that will still leave
>>> ambiguity in deciding b/w mbm and cqm because kernel prints "resctrl: L3
>> monitoring detected" for both the features 2. Check in "info" directory
>>> a. For cat_l3, we could search for info/L3
>>> b. For mba, we could search for info/MB
>>> c. For cqm and mbm, we could search for specified string in
>>> info/L3_MON/mon_features
>>>
>>> I think option 2 might be better because it can handle all cases, please let me
>> know what you think.
>>
>> I agree. For the reasons you mention and also that (1) may not be possible if the
>> loglevel prevents those lines from being printed.
>
> Makes sense. I will work on the fix.
One more note about this ... from what I can tell the test for a feature
currently fails if the platform does not support the feature. Would it
be possible to just skip the test in this case instead?
Reinette
next prev parent reply other threads:[~2020-03-11 18:06 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-07 3:40 [PATCH V1 00/13] Miscellaneous fixes for resctrl selftests Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 01/13] selftests/resctrl: Fix feature detection Sai Praneeth Prakhya
2020-03-09 21:44 ` Reinette Chatre
2020-03-09 22:22 ` Prakhya, Sai Praneeth
2020-03-09 22:33 ` Reinette Chatre
2020-03-09 22:51 ` Prakhya, Sai Praneeth
2020-03-11 18:06 ` Reinette Chatre [this message]
2020-03-11 18:22 ` Sai Praneeth Prakhya
2020-03-11 18:45 ` Reinette Chatre
2020-03-11 18:54 ` Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 02/13] selftests/resctrl: Fix typo Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 03/13] selftests/resctrl: Fix typo in help text Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 04/13] selftests/resctrl: Ensure sibling CPU is not same as original CPU Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 05/13] selftests/resctrl: Fix missing options "-n" and "-p" Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 06/13] selftests/resctrl: Fix MBA/MBM results reporting format Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 07/13] selftests/resctrl: Don't use variable argument list for setup function Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 08/13] selftests/resctrl: Fix typos Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 09/13] selftests/resctrl: Modularize fill_buf for new CAT test case Sai Praneeth Prakhya
2020-03-10 21:59 ` Reinette Chatre
2020-03-11 1:04 ` Sai Praneeth Prakhya
[not found] ` <50cb755f-e112-5d71-11fa-a7cbc951d91e@intel.com>
2020-03-11 17:45 ` Sai Praneeth Prakhya
2020-03-11 18:10 ` Reinette Chatre
2020-03-11 18:14 ` Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 10/13] selftests/resctrl: Change Cache Allocation Technology (CAT) test Sai Praneeth Prakhya
2020-03-10 22:14 ` Reinette Chatre
2020-03-11 1:59 ` Sai Praneeth Prakhya
2020-03-11 17:03 ` Reinette Chatre
2020-03-11 19:14 ` Sai Praneeth Prakhya
2020-03-11 20:22 ` Reinette Chatre
2020-03-11 20:55 ` Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 11/13] selftests/resctrl: Change Cache Quality Monitoring (CQM) test Sai Praneeth Prakhya
2020-03-10 22:18 ` Reinette Chatre
2020-03-11 2:46 ` Sai Praneeth Prakhya
2020-03-11 17:19 ` Reinette Chatre
2020-03-11 17:33 ` Sai Praneeth Prakhya
2020-03-11 18:03 ` Reinette Chatre
2020-03-11 18:07 ` Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 12/13] selftests/resctrl: Dynamically select buffer size for CAT test Sai Praneeth Prakhya
2020-03-10 22:19 ` Reinette Chatre
2020-03-11 2:52 ` Sai Praneeth Prakhya
2020-03-07 3:40 ` [PATCH V1 13/13] selftests/resctrl: Cleanup fill_buff after changing " Sai Praneeth Prakhya
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