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325a74ddec
Use sync.Once to init Intel RDT when needed for a small speedup to operations which do not require Intel RDT. Simplify IntelRdtManager initialization in LinuxFactory. Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>
26 lines
460 B
Go
26 lines
460 B
Go
package intelrdt
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var (
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cmtEnabled bool
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)
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// Check if Intel RDT/CMT is enabled.
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func IsCMTEnabled() bool {
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featuresInit()
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return cmtEnabled
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}
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func getCMTNumaNodeStats(numaPath string) (*CMTNumaNodeStats, error) {
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stats := &CMTNumaNodeStats{}
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if enabledMonFeatures.llcOccupancy {
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llcOccupancy, err := getIntelRdtParamUint(numaPath, "llc_occupancy")
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if err != nil {
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return nil, err
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}
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stats.LLCOccupancy = llcOccupancy
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}
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return stats, nil
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}
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