PhpStorm Extreme CPU Usage (~1225.9%) on macOS Leading to System Performance Issues

Hello from Turkey,

I encountered a serious performance issue while using PhpStorm on my macOS system. PhpStorm is causing the CPU usage to spike to an abnormal level (1225.9%), which is significantly affecting the overall performance of my system.

Steps to Reproduce:

  1. I open PhpStorm on my macOS system (version: [enter PhpStorm version here, e.g., 2024.1.4]).  
  2. I load a PHP project (e.g., a medium-sized PHP/JS project).  
  3. After using PhpStorm for a while (around 5-10 minutes), CPU usage suddenly spikes.  
  4. When I open Activity Monitor and check the CPU tab, I see that PhpStorm is consuming an excessive amount of CPU (up to 1225.9%).  

Actual Behavior:

- PhpStorm causes CPU usage to rise up to 1225.9%.  
- Overall CPU usage reaches 95%.  
- Efficiency cores operate at 87%, while performance cores run at 88%.  
- System temperature rises up to 71°C.  

PhpStorm 2024.3.4
Build #PS-243.25659.45, built on February 27, 2025
Runtime version: 21.0.6+8-b631.39 aarch64 (JCEF 122.1.9)
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Toolkit: sun.lwawt.macosx.LWCToolkit
macOS 15.3.1
GC: G1 Young Generation, G1 Concurrent GC, G1 Old Generation
Memory: 8192M
Cores: 14
Metal Rendering is ON
Registry:
  run.processes.with.pty=TRUE
  ide.experimental.ui=true
  terminal.new.ui=true

Non-Bundled Plugins:
  com.intellij.properties (243.22562.9)
  com.intellij.aqua (243.25659.43)
  com.intellij.ml.llm (243.23654.270.9)


 

 

1

Hi Goksel Saracoglu,

Please submit a request to support via Help | Contact Support, and share the logs from Help | Collect Logs and Diagnostic Data as the investigation starting point.

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