Package org.bootchart.parser.linux

Class ProcStatParser

java.lang.Object

org.bootchart.parser.linux.ProcStatParser

public class ProcStatParser
extends Object

ProcStatParser parses log files produced by logging the output of /proc/stat. The samples contain information about CPU times: user, nice, system and idle; 2.6 kernels also include io_wait, irq and softirq.

Constructor Summary

Constructors

Constructor	Description
ProcStatParser()

Method Summary

Modifier and Type	Method	Description
static Stats	parseLog(InputStream is)	Parses the proc_stat.log file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ProcStatParser

public ProcStatParser()

Method Details

parseLog

public static Stats parseLog(InputStream is)
                      throws IOException

Parses the proc_stat.log file. The output from /proc/stat is used to collect the CPU statistics.

Parameters:

is - the input stream to read from

Returns:

CPU statistics (CPUSample samples)

Throws:

IOException - if an I/O error occurs