Cpulimit
cpulimit is an open-source tool for limiting the CPU usage of a process. It can set soft and hard limits on CPU usage for a PID and ensure a process does not overuse system resources.
cpu
limit
process
optimization
cpulimit: Limit CPU Usage
An open-source tool to set soft and hard CPU limits for processes, ensuring system resource protection
What is Cpulimit?
cpulimit is an open-source command-line tool for limiting the CPU usage of a running process on Linux and other UNIX-like systems. It works by setting scheduling priorities and sending SIGSTOP and SIGCONT signals to pause and resume processes to enforce CPU usage limits.
Some key features of cpulimit include:
- Setting soft and hard limits on CPU usage percentage for a process
- Monitoring CPU usage over time and adjusting limits dynamically
- Limiting CPU usage for a whole process tree based on the parent PID
- Exempting certain child processes from limits
- Console and daemon modes for long-running limit enforcement
- Configuration via command line options or config file
- Minimal resource usage when enforcing limits
cpulimit is useful for restricting CPU-intensive processes like compilation jobs, scientific computing software, and web server processes so they don't overwhelm the system. It can help ensure fairness of CPU time between different processes and leave CPU power available for interactive desktop applications.
Overall, cpulimit provides granular control over CPU allocation per process, making it a valuable tool for optimizing utilization on multi-process systems.
Cpulimit Features
Features
- Set CPU usage limit for a process
- Set soft and hard limits
- Monitor CPU usage in real-time
- Cross-platform (Linux, macOS, Windows)
- Lightweight and easy to use
- Open source
Pricing
- Open Source
Pros
Prevents processes from overusing CPU resources
Improves system stability and performance
Allows fair sharing of CPU between processes
Free and open source software
Cons
Requires some command line usage
Limited to setting CPU limits only
May require tweaking limits for optimal performance
Official Links
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