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[180.214.233.15]) by smtp.gmail.com with ESMTPSA id x21-20020aa79195000000b00628e9871c24sm8137251pfa.183.2023.04.17.19.22.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Apr 2023 19:22:52 -0700 (PDT) Message-ID: Date: Tue, 18 Apr 2023 09:22:43 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v4 6/7] x86/resctrl: Display CLOSID and RMID for the resctrl groups Content-Language: en-US To: Babu Moger , corbet@lwn.net, reinette.chatre@intel.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de Cc: fenghua.yu@intel.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, paulmck@kernel.org, akpm@linux-foundation.org, quic_neeraju@quicinc.com, rdunlap@infradead.org, damien.lemoal@opensource.wdc.com, songmuchun@bytedance.com, peterz@infradead.org, jpoimboe@kernel.org, pbonzini@redhat.com, chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com, jmattson@google.com, daniel.sneddon@linux.intel.com, sandipan.das@amd.com, tony.luck@intel.com, james.morse@arm.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, eranian@google.com, christophe.leroy@csgroup.eu, jarkko@kernel.org, adrian.hunter@intel.com, quic_jiles@quicinc.com, peternewman@google.com References: <168177435378.1758847.8317743523931859131.stgit@bmoger-ubuntu> <168177449635.1758847.13040588638888054027.stgit@bmoger-ubuntu> From: Bagas Sanjaya In-Reply-To: <168177449635.1758847.13040588638888054027.stgit@bmoger-ubuntu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 4/18/23 06:34, Babu Moger wrote: > +"ctrl_hw_id": > + Available only with debug option. On x86, reading this file shows > + the Class of Service (CLOS) id which acts as a resource control > + tag on which the resources can be throttled. Kernel assigns a new > + CLOSID a control group is created depending on the available > + CLOSIDs. Multiple cores(or threads) or processes can share a > + same CLOSID in a resctrl group. > + > ... > +"mon_hw_id": > + Available only with debug option. On x86, reading this file shows > + the Resource Monitoring ID (RMID) for monitoring the resource > + utilization. Monitoring is performed by tagging each core (or > + thread) or process via a RMID. Kernel assigns a new RMID when > + a group is created depending on the available RMIDs. Multiple > + cores (or threads) or processes can share a same RMID in a > + resctrl group. > + Is CONFIG_DEBUG=y required? -- An old man doll... just what I always wanted! - Clara