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20 lines
722 B
Markdown
20 lines
722 B
Markdown
# Miscellaneous
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## Profiling Minetest on Linux
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We will be using a tool called "perf", which you can get by installing `perf` or `linux-perf` or `linux-tools-common`.
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For best results build Minetest and Irrlicht with debug symbols
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(`-DCMAKE_BUILD_TYPE=RelWithDebInfo` or `-DCMAKE_BUILD_TYPE=Debug`).
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Run the client (or server) like this and do whatever you wanted to test:
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```bash
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perf record -z --call-graph dwarf -- ./bin/minetest
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```
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This will leave a file called "perf.data".
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You can open this file with perf built-in tools but much more interesting
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is the visualization using a GUI tool: **[Hotspot](https://github.com/KDAB/hotspot)**.
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It will give you flamegraphs, per-thread, per-function views and much more.
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