https://github.com/laysakura/springql-mem-leak

https://github.com/laysakura/springql-mem-leak

Last synced: 17 days ago
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• Host: GitHub
• URL: https://github.com/laysakura/springql-mem-leak
• Owner: laysakura
• Created: 2022-07-11T04:50:08.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-07-11T23:53:05.000Z (over 2 years ago)
• Last Synced: 2024-04-15T12:50:13.912Z (7 months ago)
• Language: C
• Size: 18.7 MB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Fix high CPU usage

## Visualize in a frame graph

```console

./update-libspringql_client.sh 'v0.16.0+3'

```

```console

./build-run.sh  # run main.c

```

```console

top  # check CPU usage

```

See: 

```console

perf record -g -F100000 -p $(pidof a.out)

perf script > perf_data.txt

perl stackcollapse-perf.pl perf_data.txt|perl flamegraph.pl --width 5000 --title "Flame Graphs - ./a.out" > flamegraph_aout.svg

```

## Thoughts

- SourceWorker consumes about 70% of CPU when no source row is incoming.