3ee8ec537a
Correct whole-frame GPU timestamps so they bracket only the accepted render transaction and associate delayed query results with the owning CPU frame. Add route-wide frame-history summaries, fixed-camera screenshot comparison, process counters, contention traces, a pinned Arwic workload, and credential-safe launch disclosure. The reference hardware/display contract now keeps local and RDP populations separate and defines the screenshot and re-baseline rules needed by later prepared-content gates. Co-Authored-By: Codex <noreply@openai.com>
94 lines
3.5 KiB
C#
94 lines
3.5 KiB
C#
using System.Globalization;
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using AcDream.App.Diagnostics;
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using Xunit;
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namespace AcDream.App.Tests;
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public class FrameProfilerReportTests
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{
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[Fact]
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public void WriteHistoryCsv_WritesHeaderThenOneInvariantRowPerRecord()
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{
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// 2026-07-24 measurement-tooling review: ACDREAM_FRAME_HISTORY export.
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// FrameBoundary itself needs a live GL context (GpuFrameTimer), so —
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// matching FormatReport's precedent above — the CSV writer is a pure
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// static method tested directly rather than driven through FrameBoundary.
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var records = new[]
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{
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new FrameHistoryRecord(0, 12.5, 1000, 500, 2048, 100, 200, 30, 40),
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new FrameHistoryRecord(1, 18.75, 1200, -1, -256, 110, 210, 31, 41),
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};
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var buffer = new StringWriter(CultureInfo.InvariantCulture);
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FrameProfiler.WriteHistoryCsv(
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records,
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buffer,
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new DateTime(2026, 7, 24, 10, 0, 0, DateTimeKind.Utc));
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string[] lines = buffer.ToString().Split(
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Environment.NewLine, StringSplitOptions.RemoveEmptyEntries);
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Assert.Equal(3, lines.Length);
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Assert.Equal(
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"frame,timestamp_ms,timestamp_utc,cpu_us,gpu_us,alloc_bytes,update_us,upload_us,imgui_us,pacing_us",
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lines[0]);
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Assert.Equal(
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"0,12.500,2026-07-24T10:00:00.0125000Z,1000,500,2048,100,200,30,40",
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lines[1]);
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// gpu_us=-1 marks "no GPU sample available"; alloc_bytes can go
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// negative (documented alloc-channel behavior, matches FrameStatsBuffer.Max).
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Assert.Equal(
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"1,18.750,2026-07-24T10:00:00.0187500Z,1200,-1,-256,110,210,31,41",
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lines[2]);
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}
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[Fact]
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public void FormatReport_IsInvariantAndComplete()
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{
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var cpu = new FrameStatsBuffer(16);
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var gpu = new FrameStatsBuffer(16);
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var alloc = new FrameStatsBuffer(16);
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var stages = new[]
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{
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new FrameStatsBuffer(16),
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new FrameStatsBuffer(16),
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new FrameStatsBuffer(16),
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new FrameStatsBuffer(16),
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};
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for (long i = 1; i <= 10; i++)
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{
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cpu.Push(i * 1000); // 1..10 ms in µs
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gpu.Push(i * 100);
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alloc.Push(i * 1024); // bytes
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stages[0].Push(i * 200);
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stages[1].Push(i * 50);
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stages[2].Push(i * 10);
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stages[3].Push(i * 300);
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}
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string line = FrameProfiler.FormatReport(
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frameCount: 10, cpu: cpu, gpu: gpu, gpuActive: true,
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alloc: alloc, gc0: 3, gc1: 1, gc2: 0, stages: stages);
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Assert.StartsWith("[frame-prof]", line);
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Assert.Contains("n=10", line);
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Assert.Contains("cpu_ms p50=5.0 p95=10.0 p99=10.0 max=10.0", line);
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Assert.Contains("gpu_ms p50=0.5", line);
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Assert.Contains("alloc_kb p50=5.0 max=10.0", line);
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Assert.Contains("gc=3/1/0", line);
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Assert.Contains("upd p50=1.0", line); // stage 0: 200µs·5 = 1.0 ms
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Assert.Contains("pace p50=1.5", line);
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Assert.DoesNotContain(",0", line.Replace("gc=3/1/0", "")); // no comma decimals (invariant culture)
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}
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[Fact]
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public void FormatReport_GpuInactive_SaysWhy()
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{
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var empty = new FrameStatsBuffer(4);
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string line = FrameProfiler.FormatReport(
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frameCount: 0, cpu: empty, gpu: empty, gpuActive: false,
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alloc: empty, gc0: 0, gc1: 0, gc2: 0,
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stages: new[] { empty, empty, empty });
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Assert.Contains("gpu=off(wbdiag)", line);
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}
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}
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