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Configurable NativeSpaceProfiler samplingInterval #5725

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Configurable NativeSpaceProfiler samplingInterval #5725

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3 changes: 3 additions & 0 deletions packages/dd-trace/src/profiling/config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ class Config {
DD_PROFILING_EXPERIMENTAL_OOM_MONITORING_ENABLED,
DD_PROFILING_EXPERIMENTAL_TIMELINE_ENABLED,
DD_PROFILING_HEAP_ENABLED,
DD_PROFILING_HEAP_SAMPLING_INTERVAL,
DD_PROFILING_PPROF_PREFIX,
DD_PROFILING_PROFILERS,
DD_PROFILING_SOURCE_MAP,
Expand Down Expand Up @@ -191,6 +192,8 @@ class Config {
logExperimentalVarDeprecation('CPU_ENABLED')
checkOptionWithSamplingContextAllowed(this.cpuProfilingEnabled, 'CPU profiling')

this.heapSamplingInterval = coalesce(options.heapSamplingInterval,
Number(DD_PROFILING_HEAP_SAMPLING_INTERVAL))
this.profilers = ensureProfilers(profilers, this)
}
}
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2 changes: 1 addition & 1 deletion packages/dd-trace/src/profiling/profilers/space.js
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Expand Up @@ -10,7 +10,7 @@ function strategiesToCallbackMode (strategies, callbackMode) {
class NativeSpaceProfiler {
constructor (options = {}) {
this.type = 'space'
this._samplingInterval = options.samplingInterval || 512 * 1024
this._samplingInterval = options.heapSamplingInterval || 512 * 1024
this._stackDepth = options.stackDepth || 64
this._pprof = undefined
this._oomMonitoring = options.oomMonitoring || {}
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6 changes: 3 additions & 3 deletions packages/dd-trace/test/profiling/profilers/space.spec.js
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Expand Up @@ -34,14 +34,14 @@ describe('profilers/native/space', () => {
})

it('should use the provided configuration options', () => {
const samplingInterval = 1024
const heapSamplingInterval = 1024
const stackDepth = 10
const profiler = new NativeSpaceProfiler({ samplingInterval, stackDepth })
const profiler = new NativeSpaceProfiler({ heapSamplingInterval, stackDepth })

profiler.start()

sinon.assert.calledOnce(pprof.heap.start)
sinon.assert.calledWith(pprof.heap.start, samplingInterval, stackDepth)
sinon.assert.calledWith(pprof.heap.start, heapSamplingInterval, stackDepth)
})

it('should stop the internal space profiler', () => {
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