fio
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| Fact | fio | GitHub CodeQL |
|---|---|---|
| Purpose | fio simulates user-defined I/O workloads to test performance or reproduce bugs. | CodeQL is a language and toolchain for code analysis that treats code as data. |
fio suits people who need to define and run storage I/O workloads without writing a separate test program for each one. Its client/server mode may be useful when jobs need to run on remote hosts.
CodeQL is for developers and security teams who want query-based code analysis in an IDE, CLI, or CI workflow. Its availability depends on supported languages, operating systems, and repository eligibility.