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Subject: [PATCH v4 0/7] x86/resctrl: Miscellaneous resctrl features
From:   Babu Moger <babu.moger@amd.com>
To:     <corbet@lwn.net>, <reinette.chatre@intel.com>,
        <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>
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        <adrian.hunter@intel.com>, <quic_jiles@quicinc.com>,
        <peternewman@google.com>, <babu.moger@amd.com>
Date:   Mon, 17 Apr 2023 18:33:56 -0500
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These series adds support few minor features.=0A=
1. Support assigning multiple tasks to control/mon groups in one command.=
=0A=
2. Add debug mount option for resctrl interface.=0A=
3. Add RMID and CLOSID in resctrl interface when mounted with debug option.=
=0A=
4. While doing these above changes, found that rftype flags needed some cle=
anup.=0A=
   They were named inconsistently. Re-arranged them much more cleanly now.=
=0A=
   Hope it can help future additions.=0A=
=0A=
---=0A=
v4: Changes since v3=0A=
    Addressed comments from Reinette and others.=0A=
    Removed newline requirement when adding tasks.=0A=
    Dropped one of the changes on flags. Kept the flag names mostly same.=
=0A=
    Changed the names of closid and rmid to ctrl_hw_id and mon_hw_id respec=
tively.=0A=
    James had some concerns about adding these files. But I thing it is big=
 problem.=0A=
    Please comment back if we can do better. =0A=
    Tried to address Reinette's comment on patch 7. But due to current code=
 design=0A=
    I could not do it exact way. But changed it little bit to make it easy =
debug=0A=
    file additions in the future.  =0A=
=0A=
v3: Changes since v2=0A=
    Still waiting for more comments. While waiting, addressed few comments =
from Fenghua.=0A=
    Added few more texts in the documentation about multiple tasks assignme=
nt feature.=0A=
    Added pid in last_cmd_status when applicable.=0A=
    Introduced static resctrl_debug to save the debug option.=0A=
    Few minor text changes.=0A=
  =0A=
v2: Changes since v1=0A=
  a. Removed the changes to add the task's threads automatically. It requir=
ed=0A=
     book keeping to handle the failures and gets complicated. Removed that=
 change=0A=
     for now.=0A=
  b. Added -o debug option to mount in debug mode(comment from Fenghua)=0A=
  c. Added debug files rmid and closid. Stephane wanted to rename them more=
=0A=
     generic to accommodate ARM. It kind of loses meaning if is renamed dif=
ferently.=0A=
     Kept it same for now. Will change if he feels strong about it. =0A=
=0A=
v3: https://lore.kernel.org/lkml/167778850105.1053859.14596357862185564029.=
stgit@bmoger-ubuntu/=0A=
v2: https://lore.kernel.org/lkml/167537433143.647488.9641864719195184123.st=
git@bmoger-ubuntu/=0A=
v1: https://lore.kernel.org/lkml/167278351577.34228.12803395505584557101.st=
git@bmoger-ubuntu/=0A=
=0A=
Babu Moger (7):=0A=
      x86/resctrl: Add multiple tasks to the resctrl group at once=0A=
      x86/resctrl: Remove unnecessary rftype flags=0A=
      x86/resctrl: Rename rftype flags for consistency=0A=
      x86/resctrl: Re-arrange RFTYPE flags and add more comments=0A=
      x86/resctrl: Introduce "-o debug" mount option=0A=
      x86/resctrl: Display CLOSID and RMID for the resctrl groups=0A=
      x86/resctrl: Add debug files when mounted with debug option=0A=
=0A=
=0A=
 Documentation/x86/resctrl.rst          |  29 +++-=0A=
 arch/x86/kernel/cpu/resctrl/internal.h |  62 ++++++--=0A=
 arch/x86/kernel/cpu/resctrl/rdtgroup.c | 188 ++++++++++++++++++++++---=0A=
 3 files changed, 243 insertions(+), 36 deletions(-)=0A=
=0A=
--=0A=