UI delays when mixing legacy and CPS based projects #2712
Description
This is an ongoing investigation of a customer's solution that mixes legacy and CPS-based projects:
This is what I'm seeing with DefaultCompileItems disabled:
CPU
| Description | Time in trace | Bug | Actual impact on single project build | Actual impact on solution build |
|---|---|---|---|---|
| Build | dotnet/sdk#1496 | |||
| SleepEx | 11% | dotnet/msbuild#2391 | ||
| Monitor.Enter | 1.2% | dotnet/msbuild#2429 | ||
| ".targets", ".props" "*" in Before/After targets | 0.5% | |||
| $(_NetStandardLibraryRefPath)*.dll | 4.7% | dotnet/standard#442 | 20% | 9% |
| LegacyNormalizePath | 0.9% | |||
| JIT Time (SDK) | 120ms | dotnet/sdk#1483 | ||
| JIT Time (MSBuild) | 75ms | dotnet/msbuild#2419 |
Memory
Seeing a 180 MS GC pause in MSBuild process.
| Description | Memory |
|---|---|
| 1.5% | |
| 0.7% | |
| dotnet/msbuild#2435 | 1.0% |
| 2.4% | |
| 0.2% | |
| 3% |