Class: RbVmomi::VIM::PerformanceManager
- Inherits:
-
Object
- Object
- RbVmomi::VIM::PerformanceManager
- Defined in:
- lib/rbvmomi/vim/PerformanceManager.rb
Instance Method Summary collapse
- #active_intervals ⇒ Object
- #perfcounter_cached ⇒ Object
- #perfcounter_hash ⇒ Object
- #perfcounter_idhash ⇒ Object
- #provider_summary(obj) ⇒ Object
- #retrieve_stats(objects, metrics, opts = {}) ⇒ Object
Instance Method Details
#active_intervals ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 81 def active_intervals intervals = historicalInterval Hash[(1..4).map { |level| [level, intervals.select { |x| x.enabled && x.level >= level }] }] end |
#perfcounter_cached ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 17 def perfcounter_cached @perfcounter ||= perfCounter end |
#perfcounter_hash ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 21 def perfcounter_hash @perfcounter_hash ||= Hash[perfcounter_cached.map{|x| [x.name, x]}] end |
#perfcounter_idhash ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 25 def perfcounter_idhash @perfcounter_idhash ||= Hash[perfcounter_cached.map{|x| [x.key, x]}] end |
#provider_summary(obj) ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 29 def provider_summary obj @provider_summary ||= {} @provider_summary[obj.class] ||= QueryPerfProviderSummary(:entity => obj) end |
#retrieve_stats(objects, metrics, opts = {}) ⇒ Object
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# File 'lib/rbvmomi/vim/PerformanceManager.rb', line 34 def retrieve_stats objects, metrics, opts = {} opts = opts.dup max_samples = opts[:max_samples] || 1 realtime = false if not opts[:interval] provider = provider_summary objects.first opts[:interval] = provider.refreshRate realtime = true else provider = provider_summary objects.first if opts[:interval] == provider.refreshRate realtime = true end end metric_ids = metrics.map do |x| counter = perfcounter_hash[x] if !counter pp perfcounter_hash.keys fail "Counter for #{x} couldn't be found" end RbVmomi::VIM::PerfMetricId(:counterId => counter.key, :instance => '*') end query_specs = objects.map do |obj| RbVmomi::VIM::PerfQuerySpec({ :maxSample => max_samples, :entity => obj, :metricId => metric_ids, :intervalId => opts[:interval], :startTime => (realtime == false ? opts[:start_time].to_datetime : nil), }) end stats = QueryPerf(:querySpec => query_specs) Hash[stats.map do |res| [ res.entity, { :sampleInfo => res.sampleInfo, :metrics => Hash[res.value.map do |metric| [perfcounter_idhash[metric.id.counterId].name, metric.value] end] } ] end] end |