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Object Introspection (OI) enables on-demand, hierarchical profiling of objects in arbitrary C/C++ programs with no recompilation.
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TODO: Replace the references to local paths. oilgen (the basis of Ahead Of Time compilation for OIL) has never been passed through our large test suite and has instead had more focused testing and large examples. When consuming DWARF information in a similar fashion to JIT OIL this was okay, but with the new Clang AST based mechanism it means we have very little coverage. This change adds an oilgen test for every test case that has an oil test. Relying on the build system to create the test target as before would make it difficult to have failing tests, so we move the build into the integration test runner. This involves: 1. Writing the input source to a file. 2. Consuming it with oilgen to get the implementation object file. 3. Compiling the input source and linking it with this file. 4. Running the newly created target. This approach can give the full error message at any stage that fails and will fail the test appropriately. The downside is the build system integration is more difficult, as we need the correct compiler flags for the target and to use the correct compiler. It would be very tricky to replicate this in a build system that's not CMake, so we will likely only run these tests in open source. Test plan: - CI |
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| .circleci | ||
| .github | ||
| cmake | ||
| examples | ||
| extern | ||
| include/oi | ||
| oi | ||
| resources | ||
| test | ||
| tools | ||
| types | ||
| website | ||
| .clang-format | ||
| .clang-tidy | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitignore | ||
| .gitmodules | ||
| CHANGELOG.md | ||
| CMakeLists.txt | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| dev.oid.toml | ||
| flake.lock | ||
| flake.nix | ||
| LICENSE | ||
| oss.oid.toml | ||
| README.md | ||
object-introspection
Object Introspection is a memory profiling technology for C++ objects. It provides the ability to dynamically instrument applications to capture the precise memory occupancy of entire object hierarchies including all containers and dynamic allocations. All this with no code modification or recompilation!
For more information on the technology and how to get started applying it to your applications please check out the Object Introspection website.
Join the Object Introspection community
See the CONTRIBUTING file for how to help out.
License
Object Introspection is licensed under the Apache 2.0 License.