From: Kajol Jain <kjain@linux.ibm.com> To: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, peterz@infradead.org Cc: maddy@linux.vnet.ibm.com, santosh@fossix.org, aneesh.kumar@linux.ibm.com, vaibhav@linux.ibm.com, dan.j.williams@intel.com, ira.weiny@intel.com, atrajeev@linux.vnet.ibm.com, tglx@linutronix.de, kjain@linux.ibm.com, rnsastry@linux.ibm.com Subject: [PATCH 4/4] powerpc/papr_scm: Document papr_scm sysfs event format entries Date: Tue, 8 Jun 2021 17:27:00 +0530 [thread overview] Message-ID: <20210608115700.85933-5-kjain@linux.ibm.com> (raw) In-Reply-To: <20210608115700.85933-1-kjain@linux.ibm.com> Details is added for the event, cpumask and format attributes in the ABI documentation. Signed-off-by: Kajol Jain <kjain@linux.ibm.com> --- Documentation/ABI/testing/sysfs-bus-papr-pmem | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-papr-pmem b/Documentation/ABI/testing/sysfs-bus-papr-pmem index 92e2db0e2d3d..be91de341454 100644 --- a/Documentation/ABI/testing/sysfs-bus-papr-pmem +++ b/Documentation/ABI/testing/sysfs-bus-papr-pmem @@ -59,3 +59,34 @@ Description: * "CchRHCnt" : Cache Read Hit Count * "CchWHCnt" : Cache Write Hit Count * "FastWCnt" : Fast Write Count + +What: /sys/devices/nmemX/format +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) Attribute group to describe the magic bits + that go into perf_event_attr.config for a particular pmu. + (See ABI/testing/sysfs-bus-event_source-devices-format). + + Each attribute under this group defines a bit range of the + perf_event_attr.config. Supported attribute is listed + below:: + + event = "config:0-4" - event ID + + For example:: + noopstat = "event=0x1" + +What: /sys/devices/nmemX/events +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) Attribute group to describe performance monitoring + events specific to papr-scm. Each attribute in this group describes + a single performance monitoring event supported by this nvdimm pmu. + The name of the file is the name of the event. + (See ABI/testing/sysfs-bus-event_source-devices-events). + +What: /sys/devices/nmemX/cpumask +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) This sysfs file exposes the cpumask which is designated to make + HCALLs to retrieve nvdimm pmu event counter data. -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Kajol Jain <kjain@linux.ibm.com> To: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, peterz@infradead.org Cc: santosh@fossix.org, maddy@linux.vnet.ibm.com, rnsastry@linux.ibm.com, aneesh.kumar@linux.ibm.com, atrajeev@linux.vnet.ibm.com, kjain@linux.ibm.com, vaibhav@linux.ibm.com, dan.j.williams@intel.com, ira.weiny@intel.com, tglx@linutronix.de Subject: [PATCH 4/4] powerpc/papr_scm: Document papr_scm sysfs event format entries Date: Tue, 8 Jun 2021 17:27:00 +0530 [thread overview] Message-ID: <20210608115700.85933-5-kjain@linux.ibm.com> (raw) In-Reply-To: <20210608115700.85933-1-kjain@linux.ibm.com> Details is added for the event, cpumask and format attributes in the ABI documentation. Signed-off-by: Kajol Jain <kjain@linux.ibm.com> --- Documentation/ABI/testing/sysfs-bus-papr-pmem | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-papr-pmem b/Documentation/ABI/testing/sysfs-bus-papr-pmem index 92e2db0e2d3d..be91de341454 100644 --- a/Documentation/ABI/testing/sysfs-bus-papr-pmem +++ b/Documentation/ABI/testing/sysfs-bus-papr-pmem @@ -59,3 +59,34 @@ Description: * "CchRHCnt" : Cache Read Hit Count * "CchWHCnt" : Cache Write Hit Count * "FastWCnt" : Fast Write Count + +What: /sys/devices/nmemX/format +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) Attribute group to describe the magic bits + that go into perf_event_attr.config for a particular pmu. + (See ABI/testing/sysfs-bus-event_source-devices-format). + + Each attribute under this group defines a bit range of the + perf_event_attr.config. Supported attribute is listed + below:: + + event = "config:0-4" - event ID + + For example:: + noopstat = "event=0x1" + +What: /sys/devices/nmemX/events +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) Attribute group to describe performance monitoring + events specific to papr-scm. Each attribute in this group describes + a single performance monitoring event supported by this nvdimm pmu. + The name of the file is the name of the event. + (See ABI/testing/sysfs-bus-event_source-devices-events). + +What: /sys/devices/nmemX/cpumask +Date: June 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) This sysfs file exposes the cpumask which is designated to make + HCALLs to retrieve nvdimm pmu event counter data. -- 2.27.0
next prev parent reply other threads:[~2021-06-08 11:59 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-08 11:56 [PATCH 0/4] Add perf interface to expose nvdimm Kajol Jain 2021-06-08 11:56 ` Kajol Jain 2021-06-08 11:56 ` [PATCH 1/4] drivers/nvdimm: Add nvdimm pmu structure Kajol Jain 2021-06-08 11:56 ` Kajol Jain 2021-06-08 11:56 ` [PATCH 2/4] drivers/nvdimm: Add perf interface to expose nvdimm performance stats Kajol Jain 2021-06-08 11:56 ` Kajol Jain 2021-06-08 17:36 ` Peter Zijlstra 2021-06-08 17:36 ` Peter Zijlstra 2021-06-09 12:12 ` kajoljain 2021-06-09 12:12 ` kajoljain 2021-06-08 11:56 ` [PATCH 3/4] powerpc/papr_scm: Add perf interface support Kajol Jain 2021-06-08 11:56 ` Kajol Jain 2021-06-08 11:57 ` Kajol Jain [this message] 2021-06-08 11:57 ` [PATCH 4/4] powerpc/papr_scm: Document papr_scm sysfs event format entries Kajol Jain
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