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duncanpoduncanpo
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performance tests for tracing
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‎test/commonSetupOnce.m

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@@ -5,7 +5,8 @@ function commonSetupOnce(testCase)
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% file definitions
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otelcolroot = getenv("OPENTELEMETRY_COLLECTOR_INSTALL");
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testCase.TestData.otelconfigfile = "otelcol_config.yml";
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testCase.TestData.otelconfigfile = fullfile(fileparts(mfilename("fullpath")), ...
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"otelcol_config.yml");
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testCase.TestData.otelroot = getenv("OPENTELEMETRY_MATLAB_INSTALL");
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testCase.TestData.jsonfile = "myoutput.json";
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testCase.TestData.pidfile = "testoutput.txt";

‎test/performance/traceTest.m

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classdef traceTest < matlab.perftest.TestCase
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% performance tests for tracing
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properties
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TestData
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end
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methods (TestClassSetup)
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function setupOnce(testCase)
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testdir = fileparts(mfilename("fullpath"));
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addpath(fullfile(testdir, "..")); % add directory where common setup and teardown code lives
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commonSetupOnce(testCase);
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end
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end
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methods (TestMethodSetup)
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function setup(testCase)
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commonSetup(testCase);
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% create a global tracer provider
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import opentelemetry.sdk.trace.*
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tp = TracerProvider(BatchSpanProcessor());
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setTracerProvider(tp);
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end
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end
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methods (TestMethodTeardown)
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function teardown(testCase)
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commonTeardown(testCase);
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end
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end
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methods (Test)
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function testSpan(testCase)
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% start and end a span
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tr = opentelemetry.trace.getTracer("Tracer");
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testCase.startMeasuring();
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sp = startSpan(tr, "Span");
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endSpan(sp);
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testCase.stopMeasuring();
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end
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function testCurrentSpan(testCase)
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% start a span, put it in current context, end the span
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tr = opentelemetry.trace.getTracer("Tracer");
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testCase.startMeasuring();
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sp = startSpan(tr, "Span");
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scope = makeCurrent(sp); %#ok<NASGU>
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endSpan(sp);
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testCase.stopMeasuring();
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end
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function testNestedSpansImplicitContext(testCase)
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% nested spans, using current span as parent
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tr = opentelemetry.trace.getTracer("Tracer");
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testCase.startMeasuring();
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osp = startSpan(tr, "outer");
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oscope = makeCurrent(osp); %#ok<NASGU>
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isp = startSpan(tr, "inner");
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iscope = makeCurrent(isp); %#ok<NASGU>
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imsp = startSpan(tr, "innermost");
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endSpan(imsp);
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endSpan(isp);
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endSpan(osp);
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testCase.stopMeasuring();
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end
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function testNestedSpansExplicitContext(testCase)
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% nested spans, explicitly setting parents
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tr = opentelemetry.trace.getTracer("Tracer");
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testCase.startMeasuring();
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osp = startSpan(tr, "outer");
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context = insertSpan(osp);
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isp = startSpan(tr, "inner", Context=context);
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context = insertSpan(isp, context);
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imsp = startSpan(tr, "innermost", Context=context);
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endSpan(imsp);
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endSpan(isp);
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endSpan(osp);
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testCase.stopMeasuring();
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end
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function testAttributes(testCase)
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% span with 3 attributes
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tr = opentelemetry.trace.getTracer("Tracer");
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m = magic(4);
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testCase.startMeasuring();
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sp = startSpan(tr, "Span");
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setAttributes(sp, "attribute 1", "value 1", "attribute 2", 10, ...
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"attribute 3", m);
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endSpan(sp);
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testCase.stopMeasuring()
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end
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function testEvents(testCase)
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% span with 3 events
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tr = opentelemetry.trace.getTracer("Tracer");
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testCase.startMeasuring();
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sp = startSpan(tr, "Span");
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addEvent(sp, "event 1")
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addEvent(sp, "event 2");
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addEvent(sp, "event 3");
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endSpan(sp);
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testCase.stopMeasuring()
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end
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function testLinks(testCase)
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% span with 2 links
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tr = opentelemetry.trace.getTracer("Tracer");
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sp1 = startSpan(tr, "Span 1");
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sp1ctxt = getSpanContext(sp1);
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sp2 = startSpan(tr, "Span 2");
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sp2ctxt = getSpanContext(sp2);
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testCase.startMeasuring();
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link1 = opentelemetry.trace.Link(sp1ctxt);
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link2 = opentelemetry.trace.Link(sp2ctxt);
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sp3 = startSpan(tr, "Span 3", Links=[link1 link2]);
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endSpan(sp3);
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testCase.stopMeasuring()
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end
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function testGetTracer(testCase)
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% get a tracer from the global tracer provider instance
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testCase.startMeasuring();
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tr = opentelemetry.trace.getTracer("Tracer"); %#ok<NASGU>
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testCase.stopMeasuring();
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end
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function testCreateDefaultTracerProvider(testCase)
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% create default TracerProvider in the sdk
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testCase.startMeasuring();
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tp = opentelemetry.sdk.trace.TracerProvider(); %#ok<NASGU>
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testCase.stopMeasuring();
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end
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function testSpanContext(testCase)
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% retrieve trace ID and span ID in the span context
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tr = opentelemetry.trace.getTracer("Tracer");
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sp = startSpan(tr, "Span");
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testCase.startMeasuring();
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spctxt = getSpanContext(sp);
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traceid = spctxt.TraceId; %#ok<NASGU>
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spanid = spctxt.SpanId; %#ok<NASGU>
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testCase.stopMeasuring();
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end
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end
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end

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