{"id":43836,"date":"2023-04-24T10:54:24","date_gmt":"2023-10-29T07:59:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8%e4%ba%8e%e5%a4%84%e7%90%86%e8%ae%a1%e9%87%8f%e7%bb%9f%e8%ae%a1%e7%9a%84system-diagnostics-metrics-api\/"},"modified":"2024-04-30T01:04:42","modified_gmt":"2024-04-29T17:04:42","slug":"%e7%94%a8%e4%ba%8e%e5%a4%84%e7%90%86%e8%ae%a1%e9%87%8f%e7%bb%9f%e8%ae%a1%e7%9a%84system-diagnostics-metrics-api","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8%e4%ba%8e%e5%a4%84%e7%90%86%e8%ae%a1%e9%87%8f%e7%bb%9f%e8%ae%a1%e7%9a%84system-diagnostics-metrics-api\/","title":{"rendered":"\u7528\u4e8e\u5904\u7406\u8ba1\u91cf\u7edf\u8ba1\u7684System.Diagnostics.Metrics API"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u4ece.NET 6.0 Preview5\u5f00\u59cb\uff0c\u65b0\u589e\u4e86System.Diagnostics.Metrics\u547d\u540d\u7a7a\u95f4\u53ca\u5176\u76f8\u5173\u7684API\u3002<br 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\/><\/div>\n<p>\u6709\u4e09\u4e2a\u4e3b\u8981\u7684\u4f18\u70b9\u3002\u9996\u5148\uff0c\u5b83\u63d0\u4f9b\u4e86\u65b9\u4fbf\u6027\uff0c\u7528\u6237\u53ef\u4ee5\u968f\u65f6\u968f\u5730\u901a\u8fc7\u7f51\u7edc\u8d2d\u7269\u3002\u5176\u6b21\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u9009\u62e9\uff0c\u4eba\u4eec\u53ef\u4ee5\u4ece\u5168\u7403\u8303\u56f4\u5185\u7684\u5546\u5bb6\u8d2d\u4e70\u5546\u54c1\u3002\u6700\u540e\uff0c\u5b83\u901a\u5e38\u6bd4\u4f20\u7edf\u8d2d\u7269\u66f4\u4fbf\u5b9c\uff0c\u56e0\u4e3a\u5728\u7ebf\u5546\u5bb6\u53ef\u4ee5\u51cf\u5c11\u4e2d\u95f4\u73af\u8282\u548c\u6210\u672c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5168\u4f53\u7684\u306a\u4ed5\u7d44\u307f(\u7279\u306bInstrument\u5074)\u304c\u5358\u7d14<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e8b\u8c61\u306e\u898b\u9003\u3057\u304c\u8d77\u3053\u308a\u306b\u304f\u3044<\/ul>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u7f3a\u70b9\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30e9\u30fc\u51e6\u7406\u304c\u5927\u5909<\/ul>\n<\/li>\n<\/ul>\n<p>Collector\u5074\u306e\u51e6\u7406\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3001\u30b7\u30b9\u30c6\u30e0\u30c0\u30a6\u30f3\u7b49<br \/>\nCollector\u5074\u306e\u4e0d\u5177\u5408\u304cInstrument\u5074\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u5834\u5408\u304c\u3042\u308b(\u9001\u4fe1\u30a8\u30e9\u30fc\u306e\u30ea\u30c8\u30e9\u30a4\u7b49\u306b\u3088\u308b\u4f59\u5206\u306a\u8ca0\u8377\u7b49)<br \/>\n\u9593\u306bBroker\u3092\u7f6e\u304f\u7b49\u3001\u968e\u5c64\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u8efd\u6e1b\u306f\u53ef\u80fd<\/p>\n<p>Instrument\u5074\u304cCollector\u5074\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306b\u306a\u308b<\/p>\n<p>Collector\u5074\u306e\u60c5\u5831(\u5b9b\u5148\u7b49)\u3092\u77e5\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b<\/p>\n<h2>\u62c9\u52a8\u60c5\u8282<\/h2>\n<p>\u8fd9\u662f\u4e00\u79cd\u4ee5\u63a5\u6536\u5668\u7aef\u7684\u4fe1\u606f\u83b7\u53d6\u9700\u6c42\u4f5c\u4e3a\u89e6\u53d1\u5668\u6765\u83b7\u53d6\u503c\u7684\u65b9\u5f0f\u3002<br \/>\nPrometheus\u91c7\u7528\u4e86\u8fd9\u79cd\u65b9\u5f0f\u3002<br \/>\n\u5728SNMP\u4e2d\uff0c\u8fd9\u79f0\u4e3a\u8f6e\u8be2\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54e737434c4406cd44c8\/17-0.png\" alt=\"pull-sequence.png\" \/><\/div>\n<p>\u4ee5\u4e0b\u662f\u5229\u70b9\u7684\u4e00\u4e9b\u65b9\u9762\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Collector\u5074\u306e\u8ca0\u8377\u5236\u5fa1\u304c\u3057\u3084\u3059\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>\u554f\u3044\u5408\u308f\u305b\u306b\u6765\u306a\u3051\u308c\u3070Instrument\u5074\u306e\u8ca0\u8377\u306f\u7121\u3044<\/p>\n<p>\u30a8\u30e9\u30fc\u51e6\u7406\u304c\u6bd4\u8f03\u7684\u5bb9\u6613<br \/>\nInstrument\u5074\u304cCollector\u5074\u306b\u4f9d\u5b58\u3059\u308b\u5272\u5408\u304c\u4f4e\u304f\u306a\u308b<\/p>\n<p>Instrument\u5074\u306fCollector\u5074\u306e\u8a73\u7d30\u3092\u77e5\u308b\u5fc5\u8981\u304c\u306a\u3044<\/p>\n<p>\u4f5c\u4e3a\u6b20\u70b9<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e00\u3064\u306e\u3084\u308a\u53d6\u308a\u3060\u3051\u898b\u308c\u3070Instrument\u5074\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306fpush\u578b\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u304c\u3061<\/ul>\n<\/li>\n<\/ul>\n<p>\u666e\u901aCollector\u306f\u9ad8\u983b\u5ea6\u3067\u554f\u3044\u5408\u308f\u305b\u306f\u3057\u306a\u3044\u306e\u3067\u3001\u591a\u304f\u306e\u5834\u5408\u5168\u4f53\u7684\u306a\u8ca0\u8377\u306f\u6e1b\u308b<\/p>\n<p>Instrument\u5074\u306e\u4ed5\u7d44\u307f\u304c\u8907\u96d1\u306b\u306a\u308a\u304c\u3061<\/p>\n<p>Instrument\u5074\u306bCollector\u3092\u53d7\u3051\u5165\u308c\u308b\u53e3\u3092\u4f5c\u308b\u5fc5\u8981\u304c\u3042\u308b(prometheus\u306eexporter\u306fHttpListener\u304bASP.NET Core\u3092\u4f7f\u3063\u3066\u53e3\u3092\u4f5c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b)<\/p>\n<p>pull\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u3088\u3063\u3066\u306f\u4e8b\u8c61\u3092\u898b\u9003\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b<\/p>\n<p>CPU\u306e\u30b9\u30d1\u30a4\u30af\u73fe\u8c61\u7b49<\/p>\n<p>Collector\u5074\u304c\u81ea\u91cd\u3057\u306a\u3044\u3068\u7d50\u5c40Instrument\u5074\u304c\u904e\u8ca0\u8377\u306b\u306a\u308a\u3084\u3059\u3044<\/p>\n<h1>\u4e0eEventCounter\u7684\u76f8\u5173\u6027<\/h1>\n<p>\u5b9e\u73b0\u8fd9\u79cd\u7c7b\u4f3c\u673a\u5236\u7684\u662f.NET Framework\u65f6\u4ee3\u5c31\u5b58\u5728\u7684EventCounter\uff08\u6839\u636epull\u573a\u666f\u800c\u5b9a\uff0c\u8fd8\u6709PollingCounter\uff0c\u9700\u8981netstandard2.1\u6216\u66f4\u9ad8\u7248\u672c\uff09\u3002<br \/>\n\u7136\u800c\uff0c\u8fd9\u4e2a\u4ec5\u4e0eEventSource\u5f3a\u76f8\u5173\u7684\u673a\u5236\uff0c\u5728\u5b9e\u73b0opentelemetry\u7684\u673a\u5236\u65f6\u5b58\u5728\u4e00\u4e9b\u4e0d\u4fbf\u4e4b\u5904\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u4eec\u7eaf\u7cb9\u5730\u4f7f\u7528\u6258\u7ba1\u4ee3\u7801\u8fdb\u884c\u91cd\u65b0\u8bbe\u8ba1\u548c\u5b9e\u73b0\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u5730\u4e0eopentelemetry\u96c6\u6210\uff0c\u8fd9\u5c31\u662fSystem.Diagnostics.Metrics\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u6709\u4e00\u79cd\u540d\u4e3aMetricsEventSource\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528EventSource\u6765\u5904\u7406Metrics\u4e8b\u4ef6\u3002\u7531\u4e8e\u5728\u672c\u6587\u4e2d\u8fdb\u884c\u8be6\u7ec6\u63cf\u8ff0\u4f1a\u53d8\u5f97\u5197\u957f\uff0c\u56e0\u6b64\u672c\u6b21\u5c06\u7701\u7565\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n<p>\u5728MetricsEventSource\u4e2d\uff0c\u9700\u8981\u6ce8\u610f\u5404\u4e2a\u4eea\u5668\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\uff0c\u5982\u5bf9Counter\u548cObservableCounter\u8fdb\u884c\u4e86\u96c6\u8ba1\u5904\u7406\u3002<\/p>\n<h1>\u4e0eDiagnosticSource\u7684\u5173\u8054<\/h1>\n<p>\u5c31\u50cf\u5144\u5f1f\u4e00\u6837\u5360\u636e\u7684\u7acb\u573a\uff0c\u5176\u5b9e\u5728DiagnosticSource\u4e2d\u4e5f\u53ef\u4ee5\u5b9e\u73b0push\u573a\u666f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">DiagnosticSource\u3067\u6271\u3046\u3068\u60f3\u5b9a\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3088\u308a\u6c4e\u7528\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3001\u30e1\u30c8\u30ea\u30c3\u30af\u3068\u3057\u3066\u4f7f\u3046\u306b\u306f\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">pull\u30b7\u30ca\u30ea\u30aa\u306f\u5b9f\u73fe\u304c\u96e3\u3057\u3044<\/ul>\n<p>\u56e0\u4e3a\u6709\u8fd9\u6837\u7684\u60c5\u51b5\uff0cMetrics\u88ab\u5b9e\u65bd\u4e86\u3002<\/p>\n<h1>\u5f15\u5165<\/h1>\n<p>\u5982\u679c\u76ee\u6807\u6846\u67b6\u4e3anet6.0\uff0c\u5219\u65e0\u9700\u989d\u5916\u6dfb\u52a0\u5305\u3002\u5982\u679c\u5e0c\u671b\u5728net5.0\u6216\u66f4\u4f4e\u7248\u672c\u4e2d\u4f7f\u7528\uff0c\u5219\u9700\u8981\u6dfb\u52a0&#8221;6.0.0-preview.5.21301.5&#8243;\u6216\u66f4\u9ad8\u7248\u672c\u7684System.Diagnostics.DiagnosticSource\uff0c\u4ee5\u542f\u7528System.Diagnostics.Metrics\u4e2d\u7684\u529f\u80fd\u3002<\/p>\n<h1>\u4e50\u5668\u65c1\u7684\u6d41\u52a8<\/h1>\n<p>\u5728\u8fdb\u884c\u4fe1\u606f\u4f20\u64ad\u7684\u4e00\u65b9\uff0c\u4ee5\u4e0b\u90fd\u662f\u51fa\u73b0\u5728System.Diagnostics.Metrics\u4e0b\u7684\u3002<\/p>\n<p>Meter<\/p>\n<p>Instrument\u306e\u89aa\u3068\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/p>\n<p>Counter<\/p>\n<p>push\u30b7\u30ca\u30ea\u30aa\u3067\u3001\u5897\u5206\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u3082\u306e<\/p>\n<p>Histogram<\/p>\n<p>push\u30b7\u30ca\u30ea\u30aa\u3067\u3001\u305d\u306e\u6642\u306e\u5024\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u3082\u306e<\/p>\n<p>ObservableCounter<\/p>\n<p>pull\u30b7\u30ca\u30ea\u30aa\u3067\u3001\u5897\u5206\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u3082\u306e<\/p>\n<p>ObservableGauge<\/p>\n<p>pull\u30b7\u30ca\u30ea\u30aa\u3067\u3001\u305d\u306e\u6642\u306e\u5024\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u3082\u306e<\/p>\n<p>\u7b80\u5355\u6982\u62ec\u8fd9\u4e2a\u6d41\u7a0b\u7684\u8bdd\uff0c<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efaMeter\u5bf9\u8c61<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efa\u5404\u79cdInstrument\u5bf9\u8c61<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u89e6\u53d1\u4e8b\u4ef6<\/ol>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7Meter.Dispose\u9500\u6bc1\u5404\u79cdInstrument\u5bf9\u8c61<\/p>\n<p>\u9500\u6bc1\u5e76\u975e\u5fc5\u9700\u3002<\/p>\n<h2>\u521b\u5efa\u4e00\u4e2aMeter\u5bf9\u8c61<\/h2>\n<p>\u4f7f\u7528 new System.Diagnostics.Metrics.Meter(string name, string? version) \u6784\u5efa\u4e00\u4e2a\u57fa\u672c\u7684 Meter \u5bf9\u8c61\u3002<br \/>\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u5b83\u4f1a\u88ab\u6ce8\u518c\u5230\u5168\u5c40\u5217\u8868\u4e2d\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u5e94\u8be5\u5c06\u5176\u8bbe\u7f6e\u4e3a static readonly\uff0c\u4ee5\u514d\u9020\u6210\u5927\u91cf\u751f\u6210\u3002<br \/>\n\u5728\u4f7f\u7528\u5b8c\u6bd5\u540e\uff0c\u5982\u679c\u8c03\u7528 Dispose \u65b9\u6cd5\uff0c\u4f1a\u5c06\u5176\u4ece\u5168\u5c40\u5217\u8868\u4e2d\u79fb\u9664\uff08\u5982\u679c\u5b83\u7684\u751f\u547d\u5468\u671f\u4e0e\u5e94\u7528\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u76f8\u540c\uff0c\u5219\u4e0d\u4e00\u5b9a\u975e\u5f97\u8c03\u7528 Dispose \u65b9\u6cd5\uff09<\/p>\n<h2>\u4eea\u5668\u7684\u5236\u4f5c<\/h2>\n<p>\u4f7f\u7528\u524d\u9762\u521b\u5efa\u7684Meter\u5bf9\u8c61\u6765\u521b\u5efa\u5404\u79cd\u4eea\u8868\u3002<br \/>\n\u53ef\u57286.0\u65f6\u70b9\u521b\u5efa\u7684\u6709\u4ee5\u4e0b\u9009\u9879\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Counter where T: struct<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Histogram where T: struct<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ObservableCounter where T: struct<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">ObservableGauge where T: struct<\/ul>\n<p>\u8fd9\u4e2a\u7c7b\u578b\u662f\u4eceInstrument\u6d3e\u751f\u800c\u6765\u7684\u3002<\/p>\n<p>\u5728T\u4e2d\u53ef\u4ee5\u9009\u62e9\u7684\u7c7b\u578b\u5982\u4e0b:<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">byte<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">short<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">int<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">long<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">float<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">double<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">decimal<\/ul>\n<p>\u57fa\u672c\u4e0a\uff0c\u5982\u679c\u4f7f\u7528\u5176\u4ed6\u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u57fa\u672c\u6570\u503c\u7c7b\u578b\uff0c\u90a3\u4e48\u5728\u521b\u5efa\u65f6\u4f1a\u5f15\u53d1InvalidOperationException\u5f02\u5e38\u3002\u5173\u4e8e\u6bcf\u79cd\u4eea\u5668\u7684\u8bf4\u660e\u5c06\u5728\u7a0d\u540e\u63d0\u4f9b\u3002<\/p>\n<p>\u5728\u4e2d\u6587\u4e2d\u5f15\u8ff0\u4ee5\u4e0b\u7684\u53e5\u5b50\uff08\u53ea\u9700\u4e00\u500b\u9078\u9805\uff09\uff1a<br \/>\n\u65e0\u8bba\u4ec0\u4e48\u60c5\u51b5\u4e0b\u90fd\u53ef\u4ee5\u8fd9\u6837\u8bf4\uff0c\u7531\u4e8e\u5728Create\u7684\u65f6\u5019\u7a0b\u5e8f\u4f1a\u5728\u5185\u90e8\u89e6\u53d1\u521b\u5efa\u4e8b\u4ef6\uff0c\u56e0\u6b64\u6700\u597d\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u6765\u8fd0\u884c\u3002<br \/>\n\u6b64\u5916\uff0c\u4e00\u65e6Meter\u88abDispose\uff0cInstrument\u4e5f\u65e0\u6cd5\u4f7f\u7528\uff0c\u56e0\u6b64\u9700\u8981\u6ce8\u610f\u5b83\u4eec\u7684\u751f\u5b58\u671f\u3002<\/p>\n<h3>\u4e50\u5668<\/h3>\n<p>\u6210\u4e3a\u6240\u6709\u8ba1\u6570\u5668\u7684\u57fa\u7c7b\u3002<br \/>\n\u4f5c\u4e3a\u516c\u5f00\u5c5e\u6027\u62e5\u6709\u7684\u5305\u62ec\uff1a<\/p>\n<div>\n<div class=\"post-table\">\u540d\u524d\u578b\u8aac\u660eNamestring\u540d\u524dDescriptionstring\u8aac\u660e(\u30e6\u30fc\u30b6\u30fc\u4efb\u610f)Enabledbool\u76e3\u8996\u3057\u3066\u3044\u308b\u30ea\u30b9\u30ca\u30fc\u304c\u3044\u308b\u304b\u3069\u3046\u304bIsObservableboolObservable\u304b\u3069\u3046\u304b(pull\u30b7\u30ca\u30ea\u30aa\u7528\u304b\u3069\u3046\u304b)MeterMeter\u89aa\u3068\u306a\u308bMeter\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9Unitstring\u5358\u4f4d\u3092\u8868\u3059\u6587\u5b57\u5217(req\/s,KB\u7b49)<\/div>\n<\/div>\n<p>\u6709\u4e00\u4e2a\u3002<\/p>\n<h3>\u4eea\u5668 )<\/h3>\n<p>\u6d3e\u751f\u7c7b\u7528\u4e8epush\u573a\u666f\u7684\u57fa\u4e8eInstrument\u7c7b\u7684\u6d3e\u751f\u7c7b\u3002<br \/>\n\u65b0\u589e\u4e86\u7528\u4e8e\u89e6\u53d1\u4e8b\u4ef6\u7684\u53d7\u4fdd\u62a4\u65b9\u6cd5RecordMeasurement\u3002<br \/>\n\u8be5\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u7528\u4e8e\u4f20\u5165\u503c\uff0c\u5176\u540e\u53ef\u4ee5\u4f20\u5165KeyValuePair&lt;string, object?&gt;\u7c7b\u578b\u7684\u6807\u7b7e\u6570\u636e\u3002<\/p>\n<h3>\u8ba1\u6570\u5668<\/h3>\n<p>\u4eceInstrument\u6d3e\u751f\u800c\u6765\u3002<br \/>\n\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u8bb0\u5f55\u589e\u91cf\u7684\u5ea6\u91cf\u7c7b\uff08\u5982\u603b\u8bf7\u6c42\u6570\uff09\u3002\u6211\u516c\u5f00\u4e86void Add(T delta)\u65b9\u6cd5\u548c\u4e00\u4e2a\u5e26\u6709\u989d\u5916\u5143\u6570\u636e\u7684\u91cd\u8f7d\u65b9\u6cd5\u3002<br \/>\n\u5c3d\u7ba1\u79f0\u4e4b\u4e3aCounter\uff0c\u4f46\u8bf7\u6ce8\u610f\u5b83\u5e76\u4e0d\u5355\u72ec\u4fdd\u5b58\u603b\u8ba1\u503c\u3002<br \/>\n\u671f\u671b\u5c06\u589e\u91cf\u503c\u653e\u5165\u81ea\u4e0a\u6b21\u53d1\u9001\u7684\u503c\u4e2d\u3002<\/p>\n<p>\u4ed6\u6b63\u5728\u770b\u7535\u89c6\u3002<br \/>\n\u7b54: \u4ed6\u6b63\u5728\u89c2\u770b\u7535\u89c6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">C1<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Meter<\/span> <span class=\"n\">_M1<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Meter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"m1\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/ unit\u3068description\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Counter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">_C1<\/span> <span class=\"p\">=<\/span> <span class=\"n\">_M1<\/span><span class=\"p\">.<\/span><span class=\"n\">CreateCounter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;(<\/span><span class=\"s\">\"c1\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"unit\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"description\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Method1<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n       <span class=\"c1\">\/\/ processing<\/span>\r\n       <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"n\">_C1<\/span><span class=\"p\">.<\/span><span class=\"n\">Enabled<\/span><span class=\"p\">)<\/span>\r\n       <span class=\"p\">{<\/span>\r\n          <span class=\"c1\">\/\/ \u6709\u52b9\u306a\u3089\u3070\u9069\u5f53\u306a\u5024\u3092\u5165\u308c\u308b<\/span>\r\n          <span class=\"n\">_C1<\/span><span class=\"p\">.<\/span><span class=\"nf\">Add<\/span><span class=\"p\">(<\/span><span class=\"m\">1<\/span><span class=\"p\">);<\/span>\r\n       <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>T\u7684\u76f4\u65b9\u56fe<\/h3>\n<p>\u7ee7\u627f\u81eaInstrument\u3002<br \/>\n\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u8bb0\u5f55\u975e\u5355\u8c03\u9012\u589e\u6570\u503c\uff08\u5982req\/s\u7b49\uff09\u7684\u5ea6\u91cf\u7c7b\u3002\u5b83\u516c\u5f00\u4e86void Record(T measurement)\u65b9\u6cd5\u548c\u4e00\u4e2a\u9644\u52a0\u5143\u6570\u636e\u7684\u91cd\u8f7d\u65b9\u6cd5\u3002<br \/>\n\u4f60\u53ef\u80fd\u4f1a\u95eeCounter\u548cMetric\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u4f46\u4ece\u5355\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c\u4e24\u8005\u7684\u533a\u522b\u4ec5\u4ec5\u662f\u516c\u5f00\u65b9\u6cd5\u7684\u547d\u540d\u4e0d\u540c\u3002<br \/>\n\u7136\u800c\uff0c\u5728\u540e\u9762\u63d0\u5230\u7684MetricsEventSource\u4e2d\uff0c\u5b83\u4eec\u88ab\u89c6\u4e3a\u4e0d\u540c\u7684\u4e8b\u4ef6\uff0c\u56e0\u6b64\u6700\u597d\u6839\u636e\u9700\u8981\u9009\u62e9\u4f7f\u7528\u3002<\/p>\n<p>\u6211\u559c\u6b22\u770b\u7535\u5f71\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">C1<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Meter<\/span> <span class=\"n\">_M1<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Meter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"m1\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/ unit\u3068description\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Histogram<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">_H1<\/span> <span class=\"p\">=<\/span> <span class=\"n\">_M1<\/span><span class=\"p\">.<\/span><span class=\"n\">CreateHistogram<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;(<\/span><span class=\"s\">\"h1\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"unit\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"description\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Method1<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n       <span class=\"c1\">\/\/ processing<\/span>\r\n       <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"n\">_H1<\/span><span class=\"p\">.<\/span><span class=\"n\">Enabled<\/span><span class=\"p\">)<\/span>\r\n       <span class=\"p\">{<\/span>\r\n          <span class=\"c1\">\/\/ \u6709\u52b9\u306a\u3089\u3070\u9069\u5f53\u306a\u5024\u3092\u5165\u308c\u308b<\/span>\r\n          <span class=\"n\">_H1<\/span><span class=\"p\">.<\/span><span class=\"nf\">Record<\/span><span class=\"p\">(<\/span><span class=\"m\">10<\/span><span class=\"p\">);<\/span>\r\n       <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u89c2\u5bdf\u4eea\u5668 (K\u011b )<\/h3>\n<p>\u6d3e\u751f\u7c7b\u7528\u4e8ePull\u573a\u666f\uff0c\u6d3e\u751f\u81eaInstrument\u7c7b\u3002<br \/>\n\u9664\u4e86Instrument.IsObservable\u53d8\u4e3atrue\u4e4b\u5916\uff0c\u8fd8\u5b9a\u4e49\u4e86protected abstract IEnumerable&lt;Measurement&gt; Observe()\u65b9\u6cd5\u3002<br \/>\nMeasurement\u662f\u7531T Value\u548cReadonlySpan Tags\u7ec4\u6210\u7684\u7ed3\u6784\u4f53\u3002<\/p>\n<h3>ObservableCounter \u89c2\u5bdf\u8ba1\u6570\u5668<\/h3>\n<p>\u53ef\u89c2\u5bdf\u4eea\u5668 T \u7684\u6d3e\u751f\u7c7b\u3002\u8fd9\u662f\u4e00\u4e2a\u5ea6\u91cf\u7c7b\uff0c\u7528\u4e8e\u8bb0\u5f55\u589e\u91cf\u3002\u901a\u8fc7 Meter.CreateObservableCounter() \u521b\u5efa\uff0c\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u6765\u8fd4\u56de\u503c\u3002\u6839\u636e\u6211\u7684\u7406\u89e3\uff0c\u5b83\u4e0e Counter \u4e0d\u540c\uff0c\u4f3c\u4e4e\u671f\u671b\u8fd4\u56de\u5f53\u524d\u7684\u603b\u8ba1\u503c\uff0c\u800c\u4e0d\u662f\u589e\u91cf\uff0c\u8fd9\u662f\u6211\u6839\u636e MetricsEventSource \u89c2\u5bdf\u5f97\u51fa\u7684\u7406\u89e3\u3002<\/p>\n<p>\u8bf7\u95ee\u4e00\u4e0b\uff0c\u9910\u5385\u91cc\u6709\u6ca1\u6709\u7d20\u98df\u9009\u9879\uff1f<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">C1<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Meter<\/span> <span class=\"n\">_M1<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Meter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"m1\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">_CachedValue<\/span> <span class=\"p\">=<\/span> <span class=\"m\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"c1\">\/\/ unit\u3068description\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">ObservableCounter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">_OC1<\/span> <span class=\"p\">=<\/span> <span class=\"n\">_M1<\/span><span class=\"p\">.<\/span><span class=\"n\">CreateObservableCounter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;(<\/span><span class=\"s\">\"oc1\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">_CachedValue<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"unit\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"description\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Method1<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n       <span class=\"c1\">\/\/ \u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u56de\u6570\u3092\u60f3\u5b9a<\/span>\r\n       <span class=\"n\">Interlocked<\/span><span class=\"p\">.<\/span><span class=\"nf\">Increment<\/span><span class=\"p\">(<\/span><span class=\"k\">ref<\/span> <span class=\"n\">_CachedValue<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u89c2\u5bdf\u7684\u6d4b\u91cf\u8868<\/h3>\n<p>\u901a\u8fc7ObservableInstrument\u521b\u5efa\u6d3e\u751f\u7c7b\u3002<br \/>\n\u7528\u4e8e\u8bb0\u5f55\u89c2\u5bdf\u65f6\u523b\u7684\u503c\u7684\u5ea6\u91cf\u7c7b\u3002\u901a\u8fc7Meter.CreateObservableGauge()\u521b\u5efa\uff0c\u5e76\u6307\u5b9a\u56de\u8c03\u51fd\u6570\u4ee5\u8fd4\u56de\u8be5\u503c\u3002<\/p>\n<p>\u4e0eCounter\u548cHistogram\u7684\u5173\u7cfb\u76f8\u540c\uff0c\u867d\u7136\u5728\u7ed3\u6784\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5728MetricsEventSource\u4e2d\u88ab\u89c6\u4e3a\u4e0d\u540c\u7684\u4e8b\u4ef6\u5904\u7406\u65b9\u5f0f\u53ea\u662f\u540d\u79f0\u7684\u533a\u522b\u3002<\/p>\n<p>I have a lot of homework to do tonight, so I won&#8217;t be able to go out with friends.<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">C1<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Meter<\/span> <span class=\"n\">_M1<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Meter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"m1\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">_CachedValue<\/span> <span class=\"p\">=<\/span> <span class=\"m\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">Random<\/span> <span class=\"n\">_r<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Random<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"c1\">\/\/ unit\u3068description\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044<\/span>\r\n    <span class=\"k\">static<\/span> <span class=\"k\">readonly<\/span> <span class=\"n\">ObservableGauge<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">_OG1<\/span> <span class=\"p\">=<\/span> <span class=\"n\">_M1<\/span><span class=\"p\">.<\/span><span class=\"n\">CreateObservableCounter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;(<\/span><span class=\"s\">\"og1\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">_CachedValue<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"unit\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"description\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Method1<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n       <span class=\"c1\">\/\/ \u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u5165\u308c\u308b\u3068\u60f3\u5b9a<\/span>\r\n       <span class=\"n\">_CachedValue<\/span> <span class=\"p\">=<\/span> <span class=\"n\">_r<\/span><span class=\"p\">.<\/span><span class=\"nf\">Next<\/span><span class=\"p\">(<\/span><span class=\"m\">100<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u63a8\u8350\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Meter\u53ca\u3073\u5404\u7a2eInstrument\u306e\u540d\u524d\u306f\u4e00\u610f\u306b<\/ul>\n<\/li>\n<\/ul>\n<p>\u5f8c\u8ff0\u3059\u308bCollector\u5074\u3067\u76e3\u8996\u5bfe\u8c61\u3092\u5224\u5225\u3059\u308b\u305f\u3081<\/p>\n<p>Prometheus\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u7b49\u3001\u6709\u540d\u3069\u3053\u308d\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u8003\u306b\u3059\u308b\u306e\u304c\u5409<\/p>\n<p>Instrument\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fprivate\u306a\u3044\u3057internal\u306b<\/p>\n<p>\u5916\u90e8\u304b\u3089\u52dd\u624b\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u305f\u3081<\/p>\n<p>push\u30b7\u30ca\u30ea\u30aa\u306e\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u308b\u524d\u306b\u5fc5\u305aEnabled\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/p>\n<p>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3001\u904e\u8ca0\u8377\u306e\u8efd\u6e1b\u306e\u305f\u3081<\/p>\n<h1>\u6536\u85cf\u5bb6\u65b9\u9762\u7684\u8d8b\u52bf<\/h1>\n<p>\u4ee5\u4e0b\u4e3a\u63cf\u8ff0Collector\u6d41\u7a0b\u7684\u5185\u5bb9\u3002<br \/>\n\u7531\u4e8e\u6b64\u5904\u63cf\u8ff0\u7684\u662f\u8fdb\u7a0b\u5185\u7684\u60c5\u51b5\uff0c<br \/>\n\u9700\u8981\u6ce8\u610f\u5b9e\u9645\u4e0a\u53ef\u4ee5\u8003\u8651\u4eceCollector\u6d41\u5411\u5176\u4ed6Collector\u7684\u6570\u636e\u4f20\u9001\u3002<\/p>\n<h2>\u751f\u6210 MeterListener<\/h2>\n<p>\u4f7f\u7528\u65b0\u7684 System.Diagnostics.Metrics.MeterListener() \u8bed\u53e5\u521b\u5efa\u4e00\u4e2a\u76d1\u542c\u5668\u5bf9\u8c61\u3002<br \/>\n\u7531\u4e8e\u5728\u63a5\u4e0b\u6765\u7684 Start \u65f6\u523b\uff0cMeterListener \u5c06\u88ab\u6ce8\u518c\u5230\u7a0b\u5e8f\u7684\u5168\u5c40\u5217\u8868\u4e2d\uff0c\u56e0\u6b64\u6700\u597d\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u8fdb\u884c\u7ba1\u7406\u3002<\/p>\n<h2>\u8bbe\u7f6e\u8981\u76d1\u89c6\u7684\u4eea\u5668<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8fdb\u884c\u8bbe\u7f6e\uff0c\u786e\u5b9a\u8981\u76d1\u89c6\u7684\u4eea\u5668\u3002<br \/>\n\u7531\u4e8eMeterListener\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3aInstrumentPublished\u7684\u6210\u5458\uff0c\u7c7b\u578b\u4e3aAction&lt;Instrument, MeterListener&gt;\uff0c\u6240\u4ee5\u5982\u679c\u8981\u5c06\u5176\u4f5c\u4e3a\u76d1\u89c6\u5bf9\u8c61\uff0c\u6211\u4eec\u9700\u8981\u6267\u884c\u4f20\u5165\u7684MeterListener\u7684EnableMeasurementEvents(Instrument, object?)\u65b9\u6cd5\u3002<br \/>\n\u5982\u679c\u4e0d\u52a0\u5165\uff0c\u5219\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002<br \/>\n\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5728\u4e8b\u4ef6\u53d1\u751f\u65f6\u8981\u4f20\u9012\u7684\u56de\u8c03\u5bf9\u8c61\uff08\u53ef\u4e3anull\uff09\u3002<\/p>\n<p>\u8bf7\u4f60\u5e2e\u6211\u627e\u51fa\u624b\u673a\u5728\u54ea\u91cc\u3002(Can you help me find my phone?)<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">var<\/span> <span class=\"n\">listener<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">MeterListener<\/span><span class=\"p\">();<\/span>\r\n<span class=\"n\">listener<\/span><span class=\"p\">.<\/span><span class=\"n\">InstrumentPublished<\/span> <span class=\"p\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">inst<\/span><span class=\"p\">,<\/span> <span class=\"n\">l<\/span><span class=\"p\">)<\/span> <span class=\"p\">=&gt;<\/span>\r\n<span class=\"p\">{<\/span>\r\n   <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"n\">inst<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span> <span class=\"p\">==<\/span> <span class=\"s\">\"Abc\"<\/span> <span class=\"p\">&amp;&amp;<\/span> <span class=\"n\">inst<\/span><span class=\"p\">.<\/span><span class=\"n\">Meter<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span> <span class=\"p\">==<\/span> <span class=\"s\">\"Meter1\"<\/span><span class=\"p\">)<\/span>\r\n   <span class=\"p\">{<\/span>\r\n      <span class=\"c1\">\/\/ \u5916\u5074\u306elistener\u306f\u4f7f\u308f\u306a\u3044<\/span>\r\n      <span class=\"n\">l<\/span><span class=\"p\">.<\/span><span class=\"nf\">EnableMeasurementEvents<\/span><span class=\"p\">(<\/span><span class=\"n\">inst<\/span><span class=\"p\">,<\/span> <span class=\"k\">null<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<h2>\u8bbe\u7f6e\u4e8b\u4ef6\u53d1\u751f\u65f6\u7684\u5904\u7406\u65b9\u5f0f<\/h2>\n<p>\u8981\u8bbe\u7f6e\u5904\u7406\u4e8b\u4ef6\u53d1\u751f\u65f6\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528MeterListener\u7684MeterListener.SetMeasurementEventCallback(MeasurementCallback)\u65b9\u6cd5\u3002<br \/>\nMeasurementCallback\u7684\u7c7b\u578b\u4e3avoid MeasurementCallback(Instrument inst, T measurement, ReadOnlySpan&lt;KeyValuePair&lt;string, object?&gt;&gt; tags, object? state)\u3002<br \/>\n\u6bcf\u4e2a\u53c2\u6570\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n<p>Instrument inst: \u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u305fInstrument\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/p>\n<p>T measurement: \u30a4\u30d9\u30f3\u30c8\u767a\u751f\u6642\u3067\u6307\u5b9a\u3055\u308c\u305f\u5024(Counter\u306a\u3089delta\u7b49)<\/p>\n<p>ReadOnlySpan&lt;KeyValuePair&lt;string, object?&gt;&gt; tags: \u30a4\u30d9\u30f3\u30c8\u767a\u751f\u6642\u306b\u6307\u5b9a\u3055\u308c\u305f\u30e1\u30bf\u30c7\u30fc\u30bf<\/p>\n<p>object? state: EnableMeasurementEvents\u3067\u6307\u5b9a\u3055\u308c\u305fstate<\/p>\n<p>\u4ed6\u6b63\u5728\u8dd1\u6b65\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">using<\/span> <span class=\"nn\">var<\/span> <span class=\"n\">listener<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">MeterListener<\/span><span class=\"p\">();<\/span>\r\n<span class=\"n\">listener<\/span><span class=\"p\">.<\/span><span class=\"n\">SetMeasurementEventCallback<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">long<\/span><span class=\"p\">&gt;((<\/span><span class=\"n\">inst<\/span><span class=\"p\">,<\/span> <span class=\"n\">measurement<\/span><span class=\"p\">,<\/span> <span class=\"n\">tags<\/span><span class=\"p\">,<\/span> <span class=\"n\">state<\/span><span class=\"p\">)<\/span> <span class=\"p\">=&gt;<\/span>\r\n                                           <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">$\"<\/span><span class=\"p\">{<\/span><span class=\"n\">inst<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">}<\/span><span class=\"s\">: <\/span><span class=\"p\">{<\/span><span class=\"n\">measurement<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728Observable\u7684\u56de\u8c03\u4e2d\u8fd4\u56deIEnumerable&lt;Measurement&gt;\uff0c\u5219\u4f1a\u591a\u6b21\u8c03\u7528\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<p>\u5728\u6307\u5b9aSetMeasurementEventCallback\u65f6\uff0c\u5fc5\u987b\u4e25\u683c\u5339\u914dInstrument\u4fa7\u7684T\u7c7b\u578b\u548c\u8981\u6c42\u8bbe\u7f6e\u7684T\u7c7b\u578b\u3002\u5982\u679c\u4e0d\u5339\u914d\uff0c\u5c06\u4f1a\u5ffd\u7565\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<h2>\u89e3\u9664\u76d1\u89c6\u65f6\u7684\u8bbe\u7f6e<\/h2>\n<p>\u5982\u679c\u5e0c\u671b\u5728Collector\u505c\u6b62\u76d1\u89c6\u65f6\u6267\u884c\u67d0\u79cd\u56de\u8c03\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3aAction &lt;Instrument\uff0cobject?&gt; MeterListener.MeasurementsCompleted\u3002<br \/>\n\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4e4b\u524d\u76d1\u89c6\u7684Instrument\u5b9e\u4f8b\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5728\u542f\u7528\u65f6\u4f20\u9012\u7684\u72b6\u6001\u5b9e\u4f8b\u3002<\/p>\n<h2>\u5f00\u59cb\u76d1\u89c6<\/h2>\n<p>\u53ea\u662f\u8fdb\u884cSetMeasurementEventCallback\u4e0d\u4f1a\u5f00\u59cb\u76d1\u89c6\u3002<br \/>\n\u8981\u542f\u52a8\u76d1\u89c6\uff0c\u9700\u8981\u6267\u884cMeterListener.Start\uff08\uff09\u3002<br \/>\n\u5728\u8fd9\u65f6\uff0c\u5982\u679c\u6709\u6ce8\u518c\u7684Instrument\u5bf9\u8c61\uff0c\u5c06\u8c03\u7528\u5728InstrumentPublished\u4e2d\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570\uff0c<br \/>\n\u5728\u5176\u4e2d\u8c03\u7528EnableMeasurementEvents\uff0c\u76d1\u89c6\u5c06\u5f00\u59cb\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u5373\u4f7f\u4e0d\u4f7f\u7528Start()\u76f4\u63a5\u8c03\u7528EnableMeasurementEvents\uff0c\u76d1\u89c6\u4e5f\u4f1a\u5f00\u59cb\uff0c\u4f46\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cInstrument\u901a\u5e38\u662f\u79c1\u6709\u6216\u5185\u90e8\u5bf9\u8c61\uff0c\u6240\u4ee5\u9884\u8ba1\u7684\u4f7f\u7528\u65b9\u5f0f\u662f\u901a\u8fc7\u4eceStart()\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<h2>\u83b7\u53d6ObservableInstrument\u7cfb\u5217\uff08\u62c9\u53d6\u573a\u666f\uff09<\/h2>\n<p>ObservableCounter\u548cObservableGauge\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u53d1\u751f\u503c\u83b7\u53d6\u4e8b\u4ef6\u3002<br \/>\n\u90a3\u4e48\u8be5\u600e\u4e48\u529e\u5462\uff1f\u4f60\u9700\u8981\u5728MeterListener\u7aef\u6267\u884cvoid RecordObservableInstruments()\u3002<br \/>\n\u5f53\u6267\u884c\u6b64\u64cd\u4f5c\u65f6\uff0c\u4f1a\u8c03\u7528\u5728\u521b\u5efaObservable\u65f6\u6307\u5b9a\u7684\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u6839\u636e\u8fd4\u56de\u7684\u503c\u6267\u884c\u901a\u8fc7SetMeasurementEventCallback\u6307\u5b9a\u7684\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n<p>\u4ed6\u559c\u6b22\u5403\u6c49\u5821\u3002<br \/>\n\u9009\u9879: \u4ed6\u7231\u5403\u6c49\u5821\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">using<\/span> <span class=\"nn\">var<\/span> <span class=\"n\">m1<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">Meter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Meter1\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">using<\/span> <span class=\"nn\">var<\/span> <span class=\"n\">listener<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">MeterListener<\/span><span class=\"p\">();<\/span>\r\n<span class=\"n\">listener<\/span><span class=\"p\">.<\/span><span class=\"n\">SetMeasurementEventCallback<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;((<\/span><span class=\"n\">inst<\/span><span class=\"p\">,<\/span> <span class=\"n\">measurement<\/span><span class=\"p\">,<\/span> <span class=\"n\">tags<\/span><span class=\"p\">,<\/span> <span class=\"n\">state<\/span><span class=\"p\">)<\/span> <span class=\"p\">=&gt;<\/span>\r\n                                          <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">$\"<\/span><span class=\"p\">{<\/span><span class=\"n\">inst<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">}<\/span><span class=\"s\">: <\/span><span class=\"p\">{<\/span><span class=\"n\">measurement<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">));<\/span>\r\n<span class=\"c1\">\/\/ Instrument\u306e\u8a2d\u5b9a\u7b49<\/span>\r\n<span class=\"kt\">var<\/span> <span class=\"n\">oc1<\/span> <span class=\"p\">=<\/span> <span class=\"n\">m1<\/span><span class=\"p\">.<\/span><span class=\"n\">CreateObservableCounter<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"p\">&gt;(<\/span><span class=\"s\">\"observablecounter1\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"m\">1<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ RecordObservableInstruments\u304c\u547c\u3070\u308c\u308b\u3068\u3001\"() =&gt; 1\"\u304c\u547c\u3070\u308c\u3001<\/span>\r\n<span class=\"c1\">\/\/ SetMeasurementEventCallback\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u3001\"observablecounter1: 1\"\u304c\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n<span class=\"n\">listener<\/span><span class=\"p\">.<\/span><span class=\"nf\">RecordObservableInstruments<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<h2>\u505c\u6b62\u76d1\u89c6<\/h2>\n<p>\u5982\u679c\u60f3\u8981\u505c\u6b62\u76d1\u89c6\u7684\u8bdd\uff0c<\/p>\n<p>MeterListener.DisableMeasurementEvents(Instrument)\u3092\u547c\u3076<br \/>\nMeterListener\u3092Dispose\u3059\u308b<\/p>\n<p>\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4f46\u4e3a\u4e86\u7981\u7528\uff0c\u9700\u8981Instrument\u5bf9\u8c61\uff0c\u6240\u4ee5\u901a\u5e38\u4f1a\u4f7f\u7528Dispose\u3002<br \/>\n\u4e0eInstrument\u4e0d\u540c\uff0c\u6536\u96c6\u5668\u901a\u5e38\u9700\u8981\u6267\u884c\u4e00\u4e9b\u7ed3\u675f\u5904\u7406\uff08\u4f8b\u5982\u65ad\u5f00\u8fde\u63a5\u6216\u5173\u95ed\u5404\u79cd\u53e5\u67c4\uff09\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u6700\u597d\u9884\u5148\u786e\u5b9a\u751f\u5b58\u671f\u3002<\/p>\n<p>\u5f53\u505c\u6b62\u76d1\u89c6\u65f6\uff0c\u5c06\u5bf9\u6bcf\u4e2a\u4eea\u5668\u8c03\u7528\u5728MeasurementsCompleted\u4e2d\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6709\u5173\u6307\u6807\u7684\u603b\u7ed3\u3002<br \/>\n\u6211\u4e2a\u4eba\u60f3\u8981\u6ce8\u610f\u7684\u662f\u4ec0\u4e48\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Instrument\u5074\u3082Collector\u5074\u3082\u4e21\u65b9\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u3067\u52d5\u304b\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540d\u524d\u306f\u4e00\u610f\u306b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Instrument\u5074\u3067pull\u30b7\u30ca\u30ea\u30aa\u304bpush\u30b7\u30ca\u30ea\u30aa\u304b\u6c7a\u3081\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u6271\u3046\u5024\u306e\u578b\u3092\u78ba\u5b9a\u3055\u305b\u3066\u304a\u304f<\/ul>\n<p>\u53ef\u80fd\u5728\u9644\u8fd1\u5427\u3002<\/p>\n<p>\u867d\u7136\u8fd9\u6b21\u7701\u7565\u4e86\u5bf9MetricsEventSource\u7684\u8bf4\u660e\uff0c\u4f46\u6211\u60f3\u5728\u53e6\u4e00\u7bc7\u6587\u7ae0\u4e2d\u53ef\u4ee5\u5199\u5230\u3002\u53ef\u80fd\u5728\u4f7f\u7528dotnet-counter\u7b49\u89c2\u6d4b\u5de5\u5177\u65f6\u4f1a\u9700\u8981\u5b83\u3002\u53e6\u5916\uff0c\u5982\u679c\u5fc3\u60c5\u597d\u7684\u8bdd\uff0c\u4e5f\u8bb8\u4f1a\u5199\u4e00\u4e9b\u5173\u4e8e\u4e0e\u4fc3\u6210API\u5f15\u5165\u7684opentelemetry\u7684\u534f\u4f5c\u7684\u5185\u5bb9\u3002<\/p>\n<h2>\u8bf7\u63d0\u4f9b\u53c2\u8003\u94fe\u63a5\u3002<\/h2>\n<p>OpenTelemetry\u306b\u304a\u3051\u308bMetrics\u306b\u3064\u3044\u3066\u306e\u4ed5\u69d8<\/p>\n<p>\u6982\u5ff5\u30ec\u30d9\u30eb\u3067\u3088\u304f\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u304d\u305f\u3089\u3053\u3053<\/p>\n<p>OpenTelemetry\u306edotnet\u5b9f\u88c5<\/p>\n<p>Metrics\u3092\u4f7f\u3046\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u306f1.2.0-alpha1\u304b\u3089<\/p>\n<p>dotnet\/runtime\u306e\u30bd\u30fc\u30b9<\/p>\n<p>Prometheus<\/p>\n<p>pull\u30b7\u30ca\u30ea\u30aa\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u4ee3\u8868\u7684OSS\u30d7\u30ed\u30c0\u30af\u30c8<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u4ece.NET 6.0 Preview5\u5f00\u59cb\uff0c\u65b0\u589e\u4e86System.Diagnostics.Metrics\u547d\u540d [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43836","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528\u4e8e\u5904\u7406\u8ba1\u91cf\u7edf\u8ba1\u7684System.Diagnostics.Metrics API - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528\u4e8e\u5904\u7406\u8ba1\u91cf\u7edf\u8ba1\u7684system-diagnostics-metrics-api\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7528\u4e8e\u5904\u7406\u8ba1\u91cf\u7edf\u8ba1\u7684System.Diagnostics.Metrics API\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u4ece.NET 6.0 Preview5\u5f00\u59cb\uff0c\u65b0\u589e\u4e86System.Diagnostics.Metrics\u547d\u540d [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528\u4e8e\u5904\u7406\u8ba1\u91cf\u7edf\u8ba1\u7684system-diagnostics-metrics-api\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-29T07:59:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T17:04:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54e737434c4406cd44c8\/10-0.png\" \/>\n<meta name=\"author\" content=\"\u9038, \u79d1\" \/>\n<meta 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