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a19b897d | 1 | // Partial Copyright Jerome Benoit. 2021-2024. All Rights Reserved. |
c8eeb62b | 2 | |
4c3f6c20 | 3 | import { performance, type PerformanceEntry, PerformanceObserver } from 'node:perf_hooks' |
66a7748d JB |
4 | import type { URL } from 'node:url' |
5 | import { parentPort } from 'node:worker_threads' | |
63b48f77 | 6 | |
66a7748d | 7 | import { secondsToMilliseconds } from 'date-fns' |
be4c6702 | 8 | |
2466918c | 9 | import { BaseError } from '../exception/index.js' |
268a74bb | 10 | import { |
5d049829 | 11 | ConfigurationSection, |
268a74bb | 12 | type IncomingRequestCommand, |
5d049829 | 13 | type LogConfiguration, |
276e05ae | 14 | MapStringifyFormat, |
268a74bb JB |
15 | MessageType, |
16 | type RequestCommand, | |
17 | type Statistics, | |
94032f3e | 18 | type StatisticsData, |
5d049829 | 19 | type StorageConfiguration, |
66a7748d JB |
20 | type TimestampedData |
21 | } from '../types/index.js' | |
7671fa0b | 22 | import { |
4c3f6c20 JB |
23 | average, |
24 | buildPerformanceStatisticsMessage, | |
7671fa0b JB |
25 | CircularArray, |
26 | Configuration, | |
27 | Constants, | |
da55bd34 | 28 | extractTimeSeriesValues, |
9bf0ef23 JB |
29 | formatDurationSeconds, |
30 | generateUUID, | |
276e05ae | 31 | JSONStringify, |
7671fa0b | 32 | logger, |
4c3f6c20 | 33 | logPrefix, |
5adf6ca4 | 34 | max, |
4884b8d3 | 35 | median, |
5adf6ca4 | 36 | min, |
4884b8d3 | 37 | nthPercentile, |
66a7748d JB |
38 | stdDeviation |
39 | } from '../utils/index.js' | |
7dde0b73 | 40 | |
268a74bb | 41 | export class PerformanceStatistics { |
e7aeea18 | 42 | private static readonly instances: Map<string, PerformanceStatistics> = new Map< |
66a7748d JB |
43 | string, |
44 | PerformanceStatistics | |
45 | >() | |
10068088 | 46 | |
5199f9fd JB |
47 | private readonly objId: string | undefined |
48 | private readonly objName: string | undefined | |
66a7748d JB |
49 | private performanceObserver!: PerformanceObserver |
50 | private readonly statistics: Statistics | |
51 | private displayInterval?: NodeJS.Timeout | |
560bcf5b | 52 | |
2466918c JB |
53 | private constructor (objId: string, objName: string, uri: URL) { |
54 | this.objId = objId | |
55 | this.objName = objName | |
66a7748d | 56 | this.initializePerformanceObserver() |
e7aeea18 | 57 | this.statistics = { |
5199f9fd JB |
58 | id: this.objId, |
59 | name: this.objName, | |
e7aeea18 JB |
60 | uri: uri.toString(), |
61 | createdAt: new Date(), | |
66a7748d JB |
62 | statisticsData: new Map() |
63 | } | |
9f2e3130 JB |
64 | } |
65 | ||
66a7748d | 66 | public static getInstance ( |
2466918c JB |
67 | objId: string | undefined, |
68 | objName: string | undefined, | |
69 | uri: URL | undefined | |
844e496b | 70 | ): PerformanceStatistics | undefined { |
2466918c JB |
71 | if (objId == null) { |
72 | const errMsg = 'Cannot get performance statistics instance without specifying object id' | |
09e5a7a8 | 73 | logger.error(`${PerformanceStatistics.logPrefix()} ${errMsg}`) |
2466918c JB |
74 | throw new BaseError(errMsg) |
75 | } | |
76 | if (objName == null) { | |
77 | const errMsg = 'Cannot get performance statistics instance without specifying object name' | |
09e5a7a8 | 78 | logger.error(`${PerformanceStatistics.logPrefix()} ${errMsg}`) |
2466918c JB |
79 | throw new BaseError(errMsg) |
80 | } | |
81 | if (uri == null) { | |
82 | const errMsg = 'Cannot get performance statistics instance without specifying object uri' | |
09e5a7a8 | 83 | logger.error(`${PerformanceStatistics.logPrefix()} ${errMsg}`) |
2466918c JB |
84 | throw new BaseError(errMsg) |
85 | } | |
9f2e3130 | 86 | if (!PerformanceStatistics.instances.has(objId)) { |
66a7748d | 87 | PerformanceStatistics.instances.set(objId, new PerformanceStatistics(objId, objName, uri)) |
9f2e3130 | 88 | } |
66a7748d | 89 | return PerformanceStatistics.instances.get(objId) |
560bcf5b JB |
90 | } |
91 | ||
09e5a7a8 JB |
92 | public static deleteInstance (objId: string | undefined): boolean { |
93 | if (objId == null) { | |
94 | const errMsg = 'Cannot delete performance statistics instance without specifying object id' | |
95 | logger.error(`${PerformanceStatistics.logPrefix()} ${errMsg}`) | |
96 | throw new BaseError(errMsg) | |
97 | } | |
98 | return PerformanceStatistics.instances.delete(objId) | |
99 | } | |
100 | ||
66a7748d JB |
101 | public static beginMeasure (id: string): string { |
102 | const markId = `${id.charAt(0).toUpperCase()}${id.slice(1)}~${generateUUID()}` | |
103 | performance.mark(markId) | |
104 | return markId | |
57939a9d JB |
105 | } |
106 | ||
66a7748d | 107 | public static endMeasure (name: string, markId: string): void { |
b1bd4a15 | 108 | try { |
66a7748d | 109 | performance.measure(name, markId) |
b1bd4a15 JB |
110 | } catch (error) { |
111 | if (error instanceof Error && error.message.includes('performance mark has not been set')) { | |
1fb21482 | 112 | /* Ignore */ |
b1bd4a15 | 113 | } else { |
66a7748d | 114 | throw error |
b1bd4a15 JB |
115 | } |
116 | } | |
66a7748d JB |
117 | performance.clearMarks(markId) |
118 | performance.clearMeasures(name) | |
aef1b33a JB |
119 | } |
120 | ||
66a7748d | 121 | public addRequestStatistic ( |
e7aeea18 | 122 | command: RequestCommand | IncomingRequestCommand, |
66a7748d | 123 | messageType: MessageType |
e7aeea18 | 124 | ): void { |
7f134aca | 125 | switch (messageType) { |
d2a64eb5 | 126 | case MessageType.CALL_MESSAGE: |
e7aeea18 JB |
127 | if ( |
128 | this.statistics.statisticsData.has(command) && | |
66a7748d | 129 | this.statistics.statisticsData.get(command)?.requestCount != null |
e7aeea18 | 130 | ) { |
66a7748d JB |
131 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
132 | ++this.statistics.statisticsData.get(command)!.requestCount! | |
7dde0b73 | 133 | } else { |
71910904 JB |
134 | this.statistics.statisticsData.set(command, { |
135 | ...this.statistics.statisticsData.get(command), | |
66a7748d JB |
136 | requestCount: 1 |
137 | }) | |
7f134aca | 138 | } |
66a7748d | 139 | break |
d2a64eb5 | 140 | case MessageType.CALL_RESULT_MESSAGE: |
e7aeea18 JB |
141 | if ( |
142 | this.statistics.statisticsData.has(command) && | |
66a7748d | 143 | this.statistics.statisticsData.get(command)?.responseCount != null |
e7aeea18 | 144 | ) { |
66a7748d JB |
145 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
146 | ++this.statistics.statisticsData.get(command)!.responseCount! | |
7f134aca | 147 | } else { |
71910904 JB |
148 | this.statistics.statisticsData.set(command, { |
149 | ...this.statistics.statisticsData.get(command), | |
66a7748d JB |
150 | responseCount: 1 |
151 | }) | |
7dde0b73 | 152 | } |
66a7748d | 153 | break |
d2a64eb5 | 154 | case MessageType.CALL_ERROR_MESSAGE: |
e7aeea18 JB |
155 | if ( |
156 | this.statistics.statisticsData.has(command) && | |
66a7748d | 157 | this.statistics.statisticsData.get(command)?.errorCount != null |
e7aeea18 | 158 | ) { |
66a7748d JB |
159 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
160 | ++this.statistics.statisticsData.get(command)!.errorCount! | |
7f134aca | 161 | } else { |
71910904 JB |
162 | this.statistics.statisticsData.set(command, { |
163 | ...this.statistics.statisticsData.get(command), | |
66a7748d JB |
164 | errorCount: 1 |
165 | }) | |
7f134aca | 166 | } |
66a7748d | 167 | break |
7f134aca | 168 | default: |
9534e74e | 169 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions |
66a7748d JB |
170 | logger.error(`${this.logPrefix()} wrong message type ${messageType}`) |
171 | break | |
7dde0b73 JB |
172 | } |
173 | } | |
174 | ||
66a7748d JB |
175 | public start (): void { |
176 | this.startLogStatisticsInterval() | |
864e5f8d | 177 | const performanceStorageConfiguration = |
5d049829 | 178 | Configuration.getConfigurationSection<StorageConfiguration>( |
66a7748d JB |
179 | ConfigurationSection.performanceStorage |
180 | ) | |
181 | if (performanceStorageConfiguration.enabled === true) { | |
e7aeea18 | 182 | logger.info( |
864e5f8d JB |
183 | `${this.logPrefix()} storage enabled: type ${performanceStorageConfiguration.type}, uri: ${ |
184 | performanceStorageConfiguration.uri | |
66a7748d JB |
185 | }` |
186 | ) | |
72f041bd | 187 | } |
7dde0b73 JB |
188 | } |
189 | ||
66a7748d JB |
190 | public stop (): void { |
191 | this.stopLogStatisticsInterval() | |
192 | performance.clearMarks() | |
193 | performance.clearMeasures() | |
5199f9fd | 194 | this.performanceObserver.disconnect() |
087a502d JB |
195 | } |
196 | ||
66a7748d JB |
197 | public restart (): void { |
198 | this.stop() | |
199 | this.start() | |
136c90ba JB |
200 | } |
201 | ||
66a7748d | 202 | private initializePerformanceObserver (): void { |
a974c8e4 | 203 | this.performanceObserver = new PerformanceObserver(performanceObserverList => { |
66a7748d | 204 | const lastPerformanceEntry = performanceObserverList.getEntries()[0] |
9d1dc4b1 JB |
205 | // logger.debug( |
206 | // `${this.logPrefix()} '${lastPerformanceEntry.name}' performance entry: %j`, | |
66a7748d JB |
207 | // lastPerformanceEntry |
208 | // ) | |
209 | this.addPerformanceEntryToStatistics(lastPerformanceEntry) | |
210 | }) | |
211 | this.performanceObserver.observe({ entryTypes: ['measure'] }) | |
aef1b33a JB |
212 | } |
213 | ||
66a7748d | 214 | private logStatistics (): void { |
5199f9fd | 215 | logger.info(this.logPrefix(), { |
c60af6ca | 216 | ...this.statistics, |
94032f3e | 217 | statisticsData: JSON.parse( |
276e05ae | 218 | JSONStringify(this.statistics.statisticsData, undefined, MapStringifyFormat.object) |
94032f3e | 219 | ) as Map<string | RequestCommand | IncomingRequestCommand, StatisticsData> |
66a7748d | 220 | }) |
7dde0b73 JB |
221 | } |
222 | ||
66a7748d | 223 | private startLogStatisticsInterval (): void { |
864e5f8d | 224 | const logConfiguration = Configuration.getConfigurationSection<LogConfiguration>( |
66a7748d JB |
225 | ConfigurationSection.log |
226 | ) | |
227 | const logStatisticsInterval = | |
228 | logConfiguration.enabled === true | |
229 | ? // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
230 | logConfiguration.statisticsInterval! | |
231 | : 0 | |
232 | if (logStatisticsInterval > 0 && this.displayInterval == null) { | |
aef1b33a | 233 | this.displayInterval = setInterval(() => { |
66a7748d JB |
234 | this.logStatistics() |
235 | }, secondsToMilliseconds(logStatisticsInterval)) | |
e7aeea18 | 236 | logger.info( |
66a7748d JB |
237 | `${this.logPrefix()} logged every ${formatDurationSeconds(logStatisticsInterval)}` |
238 | ) | |
239 | } else if (this.displayInterval != null) { | |
dfe81c8f | 240 | logger.info( |
66a7748d JB |
241 | `${this.logPrefix()} already logged every ${formatDurationSeconds(logStatisticsInterval)}` |
242 | ) | |
243 | } else if (logConfiguration.enabled === true) { | |
e7aeea18 | 244 | logger.info( |
66a7748d JB |
245 | `${this.logPrefix()} log interval is set to ${logStatisticsInterval}. Not logging statistics` |
246 | ) | |
7dde0b73 JB |
247 | } |
248 | } | |
249 | ||
66a7748d JB |
250 | private stopLogStatisticsInterval (): void { |
251 | if (this.displayInterval != null) { | |
252 | clearInterval(this.displayInterval) | |
253 | delete this.displayInterval | |
8f953431 JB |
254 | } |
255 | } | |
256 | ||
66a7748d | 257 | private addPerformanceEntryToStatistics (entry: PerformanceEntry): void { |
7ec46a9a | 258 | // Initialize command statistics |
d71b025f | 259 | if (!this.statistics.statisticsData.has(entry.name)) { |
66a7748d | 260 | this.statistics.statisticsData.set(entry.name, {}) |
7ec46a9a | 261 | } |
b49422c6 | 262 | // Update current statistics |
66a7748d | 263 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
d71b025f | 264 | this.statistics.statisticsData.get(entry.name)!.timeMeasurementCount = |
66a7748d JB |
265 | (this.statistics.statisticsData.get(entry.name)?.timeMeasurementCount ?? 0) + 1 |
266 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
267 | this.statistics.statisticsData.get(entry.name)!.currentTimeMeasurement = entry.duration | |
268 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 269 | this.statistics.statisticsData.get(entry.name)!.minTimeMeasurement = min( |
a8735ef9 | 270 | entry.duration, |
66a7748d JB |
271 | this.statistics.statisticsData.get(entry.name)?.minTimeMeasurement ?? Infinity |
272 | ) | |
273 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 274 | this.statistics.statisticsData.get(entry.name)!.maxTimeMeasurement = max( |
a8735ef9 | 275 | entry.duration, |
66a7748d JB |
276 | this.statistics.statisticsData.get(entry.name)?.maxTimeMeasurement ?? -Infinity |
277 | ) | |
278 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 279 | this.statistics.statisticsData.get(entry.name)!.totalTimeMeasurement = |
66a7748d | 280 | (this.statistics.statisticsData.get(entry.name)?.totalTimeMeasurement ?? 0) + entry.duration |
d71b025f | 281 | this.statistics.statisticsData.get(entry.name)?.measurementTimeSeries instanceof CircularArray |
e7aeea18 | 282 | ? this.statistics.statisticsData |
66a7748d JB |
283 | .get(entry.name) |
284 | ?.measurementTimeSeries?.push({ timestamp: entry.startTime, value: entry.duration }) | |
285 | : // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
286 | (this.statistics.statisticsData.get(entry.name)!.measurementTimeSeries = | |
f6778d74 | 287 | new CircularArray<TimestampedData>(Constants.DEFAULT_CIRCULAR_BUFFER_CAPACITY, { |
e7aeea18 | 288 | timestamp: entry.startTime, |
66a7748d JB |
289 | value: entry.duration |
290 | })) | |
d4004f32 | 291 | const timeMeasurementValues = extractTimeSeriesValues( |
66a7748d JB |
292 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
293 | this.statistics.statisticsData.get(entry.name)!.measurementTimeSeries! | |
294 | ) | |
295 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 296 | this.statistics.statisticsData.get(entry.name)!.avgTimeMeasurement = |
66a7748d JB |
297 | average(timeMeasurementValues) |
298 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 299 | this.statistics.statisticsData.get(entry.name)!.medTimeMeasurement = |
66a7748d JB |
300 | median(timeMeasurementValues) |
301 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 302 | this.statistics.statisticsData.get(entry.name)!.ninetyFiveThPercentileTimeMeasurement = |
66a7748d JB |
303 | nthPercentile(timeMeasurementValues, 95) |
304 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | |
d71b025f | 305 | this.statistics.statisticsData.get(entry.name)!.stdDevTimeMeasurement = stdDeviation( |
d4004f32 | 306 | timeMeasurementValues, |
66a7748d JB |
307 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
308 | this.statistics.statisticsData.get(entry.name)!.avgTimeMeasurement | |
309 | ) | |
310 | this.statistics.updatedAt = new Date() | |
5d049829 JB |
311 | if ( |
312 | Configuration.getConfigurationSection<StorageConfiguration>( | |
66a7748d JB |
313 | ConfigurationSection.performanceStorage |
314 | ).enabled === true | |
5d049829 | 315 | ) { |
66a7748d | 316 | parentPort?.postMessage(buildPerformanceStatisticsMessage(this.statistics)) |
72f041bd | 317 | } |
7ec46a9a JB |
318 | } |
319 | ||
09e5a7a8 JB |
320 | private static readonly logPrefix = (): string => { |
321 | return logPrefix(' Performance statistics') | |
322 | } | |
323 | ||
66a7748d JB |
324 | private readonly logPrefix = (): string => { |
325 | return logPrefix(` ${this.objName} | Performance statistics`) | |
326 | } | |
7dde0b73 | 327 | } |