Package org.bootchart.parser

Class HeaderParser

java.lang.Object
org.bootchart.parser.HeaderParser
public class HeaderParser extends Object
HeaderParser parses the header log file, which contains the chart title and basic information about the system, OS release, CPU, etc.

  • Constructor Details

    • HeaderParser

      public HeaderParser()

  • Method Details

    • parseLog

      public static Properties parseLog(InputStream is) throws IOException
      Parses the header log file. The Properties instance should contain at least the following values:
      • title
        • (e.g. "Boot chart for serenity.klika.si (Sun Nov 21 01:48:05 CET 2004)")
      • system.uname
        • (e.g. "Linux 2.6.7 #2 Thu Jul 1 14:25:23 CEST 2004 i686 GNU/Linux")
      • system.release
        • (e.g. "Fedora Core release 3 (Heidelberg)")
      • system.cpu
        • (e.g. "Intel(R) Pentium(R) M processor 1500MHz")
      • system.kernel.options
        • (e.g. "cmdline: ro root=/dev/vg0/root vga=0x318 rhgb")
      Parameters:
      is - the input stream to read from
      Returns:
      header properties
      Throws:
      IOException - if an I/O error occurs

    • oldParseLog

      public static Properties oldParseLog(BufferedReader reader) throws IOException
      Parses the header log file (old version).
      Parameters:
      reader - the reader to read from
      Returns:
      header properties
      Throws:
      IOException - if an I/O error occurs

    • getNumCPUs

      public static int getNumCPUs(Properties headers)
      Get the number of CPUs from the system.cpu header property.
      Parameters:
      headers - header properties
      Returns:
      the number of CPUs