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# Intl Performance Microbenchmarks
This folder contains micro benchmarks using the [mozperftest][] suite.
## Recording profiles for the Firefox Profiler
```sh
# Run the perftest as an xpcshell test.
MOZ_PROFILER_STARTUP=1 \
MOZ_PROFILER_SHUTDOWN=/path/to/perf-profile.json \
./mach xpcshell-test intl/benchmarks/perftest_dateTimeFormat.js
# Install the profiler-symbol-server tool.
cargo install profiler-symbol-server
# Open the path to the file.
profiler-symbol-server --open /path/to/perf-profile.json
```