Date:   Fri, 12 Mar 2021 13:08:11 -0600
From:   Babu Moger <babu.moger@....com>
To:     Fenghua Yu <fenghua.yu@...el.com>, Shuah Khan <shuah@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>
Cc:     linux-kselftest <linux-kselftest@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v5 00/21] Miscellaneous fixes for resctrl selftests

Hi Fenghua, Thanks for the patches.
Sanity tested them on AMD systems. Appears to work fine.
Few minor comments in few patches.
Tested-by: Babu Moger <babu.moger@....com>
Thanks
Babu

> -----Original Message-----
> From: Fenghua Yu <fenghua.yu@...el.com>
> Sent: Sunday, March 7, 2021 8:55 AM
> To: Shuah Khan <shuah@...nel.org>; Tony Luck <tony.luck@...el.com>;
> Reinette Chatre <reinette.chatre@...el.com>; Moger, Babu
> <Babu.Moger@....com>
> Cc: linux-kselftest <linux-kselftest@...r.kernel.org>; linux-kernel <linux-
> kernel@...r.kernel.org>; Fenghua Yu <fenghua.yu@...el.com>
> Subject: [PATCH v5 00/21] Miscellaneous fixes for resctrl selftests
> 
> This patch set has several miscellaneous fixes to resctrl selftest tool that are
> easily visible to user. V1 had fixes to CAT test and CMT test but they were
> dropped in V2 because having them here made the patchset humongous. So,
> changes to CAT test and CMT test will be posted in another patchset.
> 
> Change Log:
> v5:
> - Address various comments from Shuah Khan:
>   1. Move a few fixing patches before cleaning patches.
>   2. Call kselftest APIs to log test results instead of printf().
>   3. Add .gitignore to ignore resctrl_tests.
>   4. Share show_cache_info() in CAT and CMT tests.
>   5. Define long_mask, cbm_mask, count_of_bits etc as static variables.
> 
> v4:
> - Address various comments from Shuah Khan:
>   1. Combine a few patches e.g. a couple of fixing typos patches into one
>      and a couple of unmounting patches into one etc.
>   2. Add config file.
>   3. Remove "Fixes" tags.
>   4. Change strcmp() to strncmp().
>   5. Move the global variable fixing patch to the patch 1 so that the
>      compilation issue is fixed first.
> 
> Please note:
> - I didn't move the patch of renaming CQM to CMT to the end of the series
>   because code and commit messages in a few other patches depend on the
>   new term of "CMT". If move the renaming patch to the end, the previous
>   patches use the old "CQM" term and code which will be changed soon at
>   the end of series and will cause more code and explanations.
> [v3:
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.org
> %2Flkml%2F2020%2F10%2F28%2F137&amp;data=04%7C01%7Cbabu.moger%4
> 0amd.com%7Cd188e85e961f4d246fb208d8e17901e7%7C3dd8961fe4884e608e
> 11a82d994e183d%7C0%7C0%7C637507257122356726%7CUnknown%7CTWFpb
> GZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M
> n0%3D%7C1000&amp;sdata=nHYN3OHv3eCZyC29T4cuiyD8SbGKoISOxsXFJHV0
> M54%3D&amp;reserved=0]
> 
> v3:
> Address various comments (commit messages, return value on test failure, print
> failure info on test failure etc) from Reinette and Tony.
> [v2:
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.ker
> nel.org%2Flinux-
> kselftest%2Fcover.1589835155.git.sai.praneeth.prakhya%40intel.com%2F&amp
> ;data=04%7C01%7Cbabu.moger%40amd.com%7Cd188e85e961f4d246fb208d8e
> 17901e7%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C6375072571
> 22356726%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2l
> uMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=gHzm10%2B76r
> NybPHxD2Uf6OmQINMyptbsH2mXU0QYxfw%3D&amp;reserved=0]
> 
> v2:
> 1. Dropped changes to CAT test and CMT test as they will be posted in a later
>    series.
> 2. Added several other fixes
> [v1:
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.ker
> nel.org%2Flinux-
> kselftest%2Fcover.1583657204.git.sai.praneeth.prakhya%40intel.com%2F&amp
> ;data=04%7C01%7Cbabu.moger%40amd.com%7Cd188e85e961f4d246fb208d8e
> 17901e7%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C6375072571
> 22356726%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2l
> uMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=vQYNiVeuWVK
> v6Eo8BlE%2BhBSScWbI2bznPmbnAm6esXM%3D&amp;reserved=0]
> 
> Fenghua Yu (19):
>   selftests/resctrl: Enable gcc checks to detect buffer overflows
>   selftests/resctrl: Fix compilation issues for global variables
>   selftests/resctrl: Fix compilation issues for other global variables
>   selftests/resctrl: Clean up resctrl features check
>   selftests/resctrl: Fix missing options "-n" and "-p"
>   selftests/resctrl: Rename CQM test as CMT test
>   selftests/resctrl: Call kselftest APIs to log test results
>   selftests/resctrl: Share show_cache_info() by CAT and CMT tests
>   selftests/resctrl: Add config dependencies
>   selftests/resctrl: Check for resctrl mount point only if resctrl FS is
>     supported
>   selftests/resctrl: Use resctrl/info for feature detection
>   selftests/resctrl: Fix MBA/MBM results reporting format
>   selftests/resctrl: Don't hard code value of "no_of_bits" variable
>   selftests/resctrl: Modularize resctrl test suite main() function
>   selftests/resctrl: Skip the test if requested resctrl feature is not
>     supported
>   selftests/resctrl: Fix unmount resctrl FS
>   selftests/resctrl: Fix incorrect parsing of iMC counters
>   selftests/resctrl: Fix checking for < 0 for unsigned values
>   selftests/resctrl: Create .gitignore to include resctrl_tests
> 
> Reinette Chatre (2):
>   selftests/resctrl: Ensure sibling CPU is not same as original CPU
>   selftests/resctrl: Fix a printed message
> 
>  tools/testing/selftests/resctrl/.gitignore    |   2 +
>  tools/testing/selftests/resctrl/Makefile      |   2 +-
>  tools/testing/selftests/resctrl/README        |   4 +-
>  tools/testing/selftests/resctrl/cache.c       |  52 +++++-
>  tools/testing/selftests/resctrl/cat_test.c    |  57 ++----
>  .../resctrl/{cqm_test.c => cmt_test.c}        |  75 +++-----
>  tools/testing/selftests/resctrl/config        |   2 +
>  tools/testing/selftests/resctrl/fill_buf.c    |   4 +-
>  tools/testing/selftests/resctrl/mba_test.c    |  43 ++---
>  tools/testing/selftests/resctrl/mbm_test.c    |  42 ++---
>  tools/testing/selftests/resctrl/resctrl.h     |  29 +++-
>  .../testing/selftests/resctrl/resctrl_tests.c | 163 ++++++++++++------
> tools/testing/selftests/resctrl/resctrl_val.c |  95 ++++++----
>  tools/testing/selftests/resctrl/resctrlfs.c   | 134 ++++++++------
>  14 files changed, 408 insertions(+), 296 deletions(-)  create mode 100644
> tools/testing/selftests/resctrl/.gitignore
>  rename tools/testing/selftests/resctrl/{cqm_test.c => cmt_test.c} (56%)  create
> mode 100644 tools/testing/selftests/resctrl/config
> 
> --
> 2.30.1

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