/*
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Mar 26, 2008
*/
package com.bigdata.counters;
/**
* Additional counters that hosts can report.
*
* @todo pageFaultsPerSec (majflt/s)
*
* @todo os diskCache (dis|en)abled
* @todo #disks
* @todo disk descriptions
* @todo disk space, space avail, hardware disk cache (dis|en)abled.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public interface IHostCounters extends IRequiredHostCounters {
/*
* Info
*/
/** CPU family information. */
String Info_ProcessorInfo = Info+ps+"Processor Info";
/** The #of processors. */
String Info_NumProcessors = Info+ps+"Number of Processors";
/*
* CPU
*/
/**
* Percentage of the time the processor is not idle that it is executing
* at the user level in [0:1] (normalized to 100% in single CPU and SMP
* environments).
*/
String CPU_PercentUserTime = CPU + ps + "% User Time";
/**
* Percentage of the time the processor is not idle that it is executing at
* the system (aka kernel) level in [0:1] (normalized to 100% in single CPU
* and SMP environments).
*/
String CPU_PercentSystemTime = CPU + ps + "% System Time";
/**
* Percentage of the time the CPU(s) were idle while the system had an
* outstanding IO in [0:1].
* <p>
* Note: The Windows platform does not appear to be able to report this
* counter. If it did I would move this into the "required" category. The
* LBS DOES use this for its decisions and has to use a faked value for
* Windows.
*/
String CPU_PercentIOWait = CPU + ps + "% IO Wait";
/*
* Memory
*/
/**
* The total amount of memory available to the host.
*
* @todo not collected or windows or linux.
*/
String Memory_Bytes_Available = Memory + ps + "Bytes available";
/**
* The #of bytes of idle memory (vmstat, /proc/meminfo/MemFree).
*
* @todo not collected for windows.
*/
String Memory_Bytes_Free = Memory + ps + "Bytes Free";
/**
* The #of bytes of swap space that are in available
* (/proc/meminfo/SwapTotal).
*
* @todo not collected for windows or linux.
*/
String Memory_SwapBytesAvailable = Memory + ps + "Swap Bytes Available";
/**
* The #of bytes of swap space that are in use (vmstat or
* /proc/meminfo/SwapFree).
*
* @todo not collected for windows.
*/
String Memory_SwapBytesUsed = Memory + ps + "Swap Bytes Used";
/**
* Faults that did not require loading a page from disk.
*
* @see IRequiredHostCounters#Memory_majorFaultsPerSecond
*/
String Memory_MinorFaultsPerSec = Memory + ps
+ "Minor Faults per Second";
/*
* PhysicalDisk
*/
/** #of disk read operations per second. */
String PhysicalDisk_ReadsPerSec = PhysicalDisk + ps
+ "Reads Per Second";
/** #of disk write operations per second. */
String PhysicalDisk_WritesPerSec = PhysicalDisk + ps
+ "Writes Per Second";
/**
* Disk bytes per second for the host (total of bytes read per second and
* bytes written per second).
*/
String PhysicalDisk_BytesPerSec = PhysicalDisk + ps + "Bytes Per Second";
/**
* Disk operations per second for the host (total of disk reads per second
* and disk writes per second).
*/
String PhysicalDisk_TransfersPerSec = PhysicalDisk + ps
+ "Transfers Per Second";
}