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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Apr 2023 23:34:02.0236 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 50c00c67-5438-4ef0-d7c8-08db3f9c39d8 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT038.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR12MB5284 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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=