ProcFsReader (druid-processing 28.0.1 API)

java.lang.Object
- org.apache.druid.java.util.metrics.ProcFsReader

```
public class ProcFsReader
extends Object
```
Fetches data from top-level procfs files for metrics.

Constructor Summary

Constructors
Constructor Description

ProcFsReader(Path procFsRoot)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`UUID`	`getBootId()`	Reads the boot ID from the boot_id path, which is just a UUID.
`long`	`getProcessorCount()`	Reads the cpuinfo path (example in src/test/resources/cpuinfo) and counts the number of processors.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ProcFsReader
```
public ProcFsReader(Path procFsRoot)
```
- Method Detail
  - getBootId
```
public UUID getBootId()
```
    Reads the boot ID from the boot_id path, which is just a UUID.
    
    Returns:
    
    The boot UUID.
  - getProcessorCount
```
public long getProcessorCount()
```
    Reads the cpuinfo path (example in src/test/resources/cpuinfo) and counts the number of processors.
    
    Returns:
    
    the number of processors.