com.bigdata.counters.osx

Class IOStatCollector.IOStatReader

java.lang.Object

com.bigdata.counters.AbstractProcessReader

com.bigdata.counters.ProcessReaderHelper

com.bigdata.counters.osx.IOStatCollector.IOStatReader

All Implemented Interfaces:

Runnable

Enclosing class:

IOStatCollector

protected class IOStatCollector.IOStatReader
extends ProcessReaderHelper

Sample output for iostat -d -C -n 999 -w 60, where 60 is the interval. There is no option to suppress the periodic repeat of the header. The header repeats in its entirety every "page" full.

           disk0           disk1           disk2           disk3           disk4       cpu
     KB/t tps  MB/s     KB/t tps  MB/s     KB/t tps  MB/s     KB/t tps  MB/s     KB/t tps  MB/s  us sy id
   197.14  26  5.10    79.10   1  0.07     3.74   0  0.00    41.31   0  0.00    13.03   0  0.00  31  6 63
     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00  53  4 43
     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00  56  8 37
     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00  54  9 37
     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00     0.00   0  0.00  57  8 35
 

Note that the #of device columns will vary for this format. The #of columns for the report can presumably vary as devices are connected and disconnected!

Note: The first data line is ignored as it will be a historical average.

Author:

Bryan Thompson

Field Summary

Fields

Modifier and Type	Field and Description
static int	IOSTAT_CPU_FIELDS_NUM
static String	IOSTAT_FIELD_CPU_ID
static String	IOSTAT_FIELD_CPU_SY
static String	IOSTAT_FIELD_CPU_US
static String	IOSTAT_FIELD_KB_T
static String	IOSTAT_FIELD_MB_S
static String	IOSTAT_FIELD_TPS

Fields inherited from class com.bigdata.counters.ProcessReaderHelper

r

Fields inherited from class com.bigdata.counters.AbstractProcessReader

is, log

Constructor Summary

Constructors

Constructor and Description
IOStatCollector.IOStatReader()

Method Summary

Methods

Modifier and Type	Method and Description
protected ActiveProcess	getActiveProcess() Override to return the ActiveProcess.
protected void	readProcess() Responsible for reading the data.

Methods inherited from class com.bigdata.counters.ProcessReaderHelper

readLine, run, start

Methods inherited from class java.lang.Object

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

Field Detail

IOSTAT_CPU_FIELDS_NUM

public static final int IOSTAT_CPU_FIELDS_NUM

See Also:

Constant Field Values

IOSTAT_FIELD_KB_T

public static final String IOSTAT_FIELD_KB_T

See Also:

Constant Field Values

IOSTAT_FIELD_TPS

public static final String IOSTAT_FIELD_TPS

See Also:

Constant Field Values

IOSTAT_FIELD_MB_S

public static final String IOSTAT_FIELD_MB_S

See Also:

Constant Field Values

IOSTAT_FIELD_CPU_US

public static final String IOSTAT_FIELD_CPU_US

See Also:

Constant Field Values

IOSTAT_FIELD_CPU_SY

public static final String IOSTAT_FIELD_CPU_SY

See Also:

Constant Field Values

IOSTAT_FIELD_CPU_ID

public static final String IOSTAT_FIELD_CPU_ID

See Also:

Constant Field Values

Constructor Detail

IOStatCollector.IOStatReader

public IOStatCollector.IOStatReader()

Method Detail

getActiveProcess

protected ActiveProcess getActiveProcess()

Description copied from class: ProcessReaderHelper

Override to return the ActiveProcess.

Specified by:

getActiveProcess in class ProcessReaderHelper

readProcess

protected void readProcess()
                    throws Exception

Description copied from class: ProcessReaderHelper

Responsible for reading the data.

Specified by:

readProcess in class ProcessReaderHelper

Throws:

Exception