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Merge pull request #1673 from marquiz/devel/avx10
cpu: advertise AVX10 version
This commit is contained in:
commit
891d163990
10 changed files with 48 additions and 0 deletions
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@ -41,6 +41,17 @@ spec:
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- "SSE42"
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- "SSSE3"
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- name: "nfd built-in cpu-cpuid non-bool labels"
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labelsTemplate: |
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{{ range .cpu.cpuid }}cpu-cpuid.{{ .Name }}={{ .Value }}
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{{ end }}
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matchFeatures:
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- feature: cpu.cpuid
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matchName:
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op: In
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value:
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- "AVX10_VERSION"
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- name: "nfd built-in cpu-hardware_multithreading label"
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labelsTemplate: |
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{{ range .cpu.topology }}cpu-{{ .Name }}={{ .Value }}
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@ -959,6 +959,8 @@ The following features are available for matching:
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| ---------------- | ------------ | -------- | ---------- | ----------- |
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| **`cpu.cpuid`** | flag | | | Supported CPU capabilities |
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| | | **`<cpuid-flag>`** | | CPUID flag is present |
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| | attribute | | | CPU capability attributes |
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| | | **AVX10_VERSION** | int | AVX10 vector ISA version (if supported) |
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| **`cpu.cstate`** | attribute | | | Status of cstates in the intel_idle cpuidle driver |
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| | | **`enabled`** | bool | 'true' if cstates are set, otherwise 'false'. Does not exist of intel_idle driver is not active. |
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| **`cpu.model`** | attribute | | | CPU model related attributes |
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@ -47,6 +47,7 @@ feature.node.kubernetes.io/<feature> = <value>
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| Feature name | Value | Description |
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| ----------------------------------- | ------ | --------------------------------------------------------------------------- |
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| **`cpu-cpuid.<cpuid-flag>`** | true | CPU capability is supported. **NOTE:** the capability might be supported but not enabled. |
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| **`cpu-cpuid.<cpuid-attribute>`** | string | CPU attribute value |
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| **`cpu-hardware_multithreading`** | true | Hardware multithreading, such as Intel HTT, enabled (number of logical CPUs is greater than physical CPUs) |
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| **`cpu-coprocessor.nx_gzip`** | true | Nest Accelerator for GZIP is supported(Power). |
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| **`cpu-power.sst_bf.enabled`** | true | Intel SST-BF ([Intel Speed Select Technology][intel-sst] - Base frequency) enabled |
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@ -123,6 +124,12 @@ configuration options to change the behavior.
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See the full list in [github.com/klauspost/cpuid][klauspost-cpuid].
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#### X86 CPUID attributes
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| Attribute | Description |
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| ------------------ | ------------------------------------------------------- |
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| AVX10_VERSION | AVX10 vector ISA version (if supported) |
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#### Arm CPUID flags (partial list)
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| Flag | Description |
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@ -149,6 +149,9 @@ func (s *cpuSource) GetLabels() (source.FeatureLabels, error) {
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labels["cpuid."+f] = true
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}
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}
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for f, v := range features.Attributes[CpuidFeature].Elements {
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labels["cpuid."+f] = v
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}
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// CPU model
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for k, v := range features.Attributes[Cpumodel].Elements {
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@ -203,6 +206,9 @@ func (s *cpuSource) Discover() error {
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// Detect CPUID
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s.features.Flags[CpuidFeature] = nfdv1alpha1.NewFlagFeatures(getCpuidFlags()...)
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if cpuidAttrs := getCpuidAttributes(); cpuidAttrs != nil {
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s.features.Attributes[CpuidFeature] = nfdv1alpha1.NewAttributeFeatures(cpuidAttrs)
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}
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// Detect CPU model
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s.features.Attributes[Cpumodel] = nfdv1alpha1.NewAttributeFeatures(getCPUModel())
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@ -17,6 +17,8 @@ limitations under the License.
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package cpu
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import (
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"strconv"
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"github.com/klauspost/cpuid/v2"
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)
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@ -24,3 +26,13 @@ import (
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func getCpuidFlags() []string {
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return cpuid.CPU.FeatureSet()
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}
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func getCpuidAttributes() map[string]string {
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ret := map[string]string{}
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if cpuid.CPU.AVX10Level > 0 {
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ret["AVX10_VERSION"] = strconv.Itoa(int(cpuid.CPU.AVX10Level))
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}
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return ret
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}
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@ -119,3 +119,5 @@ func getCpuidFlags() []string {
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}
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return r
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}
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func getCpuidAttributes() map[string]string { return nil }
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@ -199,3 +199,5 @@ func getCpuidFlags() []string {
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}
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return r
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}
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func getCpuidAttributes() map[string]string { return nil }
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@ -153,3 +153,5 @@ func getCpuidFlags() []string {
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}
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return r
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}
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func getCpuidAttributes() map[string]string { return nil }
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@ -95,3 +95,5 @@ func getCpuidFlags() []string {
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}
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return r
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}
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func getCpuidAttributes() map[string]string { return nil }
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@ -20,3 +20,5 @@ limitations under the License.
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package cpu
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func getCpuidFlags() []string { return nil }
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func getCpuidAttributes() map[string]string { return nil }
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