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c78f1b079e
Currently, getSourceFile accesses file system to check if two paths are the same file with a thread lock, which is a huge performance bottleneck in some cases. Currently, it's accessing file system size(files) * size(files) times. Thus, cache file status information, which reduces file system access to size(files) times. When I tested it with two binaries and 16 cpu cores, it saved over 70% of time. Binary 1: 56 secs -> 3 secs Binary 2: 17 hours -> 4 hours Differential Revision: https://reviews.llvm.org/D97061 |
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| .. | ||
| CMakeLists.txt | ||
| CodeCoverage.cpp | ||
| CoverageExporter.h | ||
| CoverageExporterJson.cpp | ||
| CoverageExporterJson.h | ||
| CoverageExporterLcov.cpp | ||
| CoverageExporterLcov.h | ||
| CoverageFilters.cpp | ||
| CoverageFilters.h | ||
| CoverageReport.cpp | ||
| CoverageReport.h | ||
| CoverageSummaryInfo.cpp | ||
| CoverageSummaryInfo.h | ||
| CoverageViewOptions.h | ||
| gcov.cpp | ||
| llvm-cov.cpp | ||
| RenderingSupport.h | ||
| SourceCoverageView.cpp | ||
| SourceCoverageView.h | ||
| SourceCoverageViewHTML.cpp | ||
| SourceCoverageViewHTML.h | ||
| SourceCoverageViewText.cpp | ||
| SourceCoverageViewText.h | ||
| TestingSupport.cpp | ||