CN100346312C - Equipment and method for monitoring data flux of memory device in computer throutgh sound - Google Patents
Equipment and method for monitoring data flux of memory device in computer throutgh sound Download PDFInfo
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- CN100346312C CN100346312C CNB2004100045808A CN200410004580A CN100346312C CN 100346312 C CN100346312 C CN 100346312C CN B2004100045808 A CNB2004100045808 A CN B2004100045808A CN 200410004580 A CN200410004580 A CN 200410004580A CN 100346312 C CN100346312 C CN 100346312C
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Abstract
The present invention discloses a device for monitoring the data flux of a computer storage device through the sound, which comprises a control unit, a monitoring unit of the storage device, and a sounding device, wherein the control unit receives the control command from a user and sends out control signals for starting / stopping the monitoring to the monitoring unit according to the control command; the monitoring unit of the storage device is used for receiving the control signals for starting the monitoring, obtains the flux storage monitoring data, and outputs sound control signals to the sounding device according to the obtained data information data, or monitoring unit of the storage device is used for receiving control signals for stopping the monitoring and outputs the sound control signals according to the control signals for stopping the monitoring, wherein the control signals for starting the monitoring and the control signals for stopping the monitoring are generated by the control unit; the sounding device controls the sound according to the received sound control signals. Simultaneously, the present invention also discloses a method for monitoring the data flux of the computer storage device through the sound, can improve the work efficiency of a system administrator, can bring the convenience for the administration work of a computer, and increases the applicability of the computer.
Description
Technical field
The present invention relates to the information monitoring technology in computer management field, be meant a kind of method especially by acoustic surveillance computer memory device data traffic.
Background technology
Monitoring management to the computer memory system data traffic is one of important content of computer system management.The memory system data flow is meant the storage system of computing machine, and as disc driver, disk array, tape drive etc., the data volume that read or write average p.s. is an important indicator of evaluation calculation machine entire system load weight.
At present, mainly adopt performance monitor software that the computer memory device flow is monitored.When needs monitor the computer memory device data traffic, call storage device data traffic monitor program real-time video data flow information on visual graphical interfaces by operating system.Certainly, the specific implementation difference of storage device data traffic monitor program under different operating system, for example under Windows, this program is exactly " performance monitor ", can the data flow be monitored by adding special counter at data traffic.
Generally speaking, utilize this method that the advantage that computer memory device monitors is: data accurately, comprehensively, intuitively.But the system manager must the monitor data that graphical interfaces shows by eye gaze when monitoring the data traffic of storage system, can not carry out other work, and carelessness is arranged slightly, will miss the important information that shows on the current screen.The memory device that monitors when needs is during more than two, and a keeper is difficult to take into account simultaneously the data on flows of all data item, so work efficiency is not high.
And when computer system is in the environment of rack-mount server, most servers are not equipped with display, will obtain the computer memory device flow information this moment, may it can only be printed, offer the keeper, this mode inconvenience, not real-time, the keeper can not understand current storage device data flow rapidly, has therefore also influenced keeper's work efficiency.
In fact, in actual application, most of system manager does not need to understand point-device memory system data handling capacity, and the data that only need to understand approximate range get final product.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of device, make user's data traffic of supervisory computer storage system easily, and then improve computer system management efficient greatly by acoustic surveillance computer memory device data traffic.
Another object of the present invention provides a kind of method by acoustic surveillance computer memory device data traffic, makes user's data traffic of supervisory computer storage system easily, and then improves computer system management efficient greatly.
A kind of device by acoustic surveillance computer memory device data traffic provided by the invention comprises:
Control module receives the steering order from the user, and sends to monitor unit according to steering order and to start/control signal that stops to monitor;
The memory device monitor unit, be used to preserve the data on flows information of an above memory device and the corresponding relation of acoustic information, and receive the control signal that startup that control module sends monitors, flow to a described above memory device monitors simultaneously, obtain memory device data on flows information, and determine the pairing acoustic information of data on flows information that obtains according to the corresponding relation that self preserves, and according to the acoustic information data of obtaining to sound-producing device output sound control signal, or, receive the control signal that stops to monitor that control module sends, and according to the control signal that stops to monitor to sound-producing device output sound control signal;
Sound-producing device is according to the sound control signal control sound that receives.
Described control module comprises signal receiving unit and total control module,
Described signal receiving unit is used to receive the steering order of sending from the user, and exports steering order to total control module;
Described total control module is used for the steering order of received signal receiving element, and determines and output starts/control signal that stops to monitor according to steering order.
Described signal receiving unit is the button on the computing machine front panel, or the switch that is connected with computing machine.
Described sound-producing device is buzz device, loudspeaker or the external controlled sound-producing device of computing machine.
A kind of realization provided by the invention comprises by acoustic surveillance computer memory device data traffic method:
A. after control module receives user's steering order, determine instruction type, if enabled instruction then starts the memory device monitor unit, execution in step B, if halt instruction, control store traffic monitor program stops to monitor;
B. the memory device monitor unit obtains the data on flows information when previous above memory device in real time, and the corresponding relation of above memory device data on flows information of preserving according to self and acoustic information, determine the pairing acoustic information of data on flows information that obtains;
C. the memory device monitor unit utilizes the acoustic information that obtains among the step B, control sound-producing device sounding.
Described acoustic information is frequency and/or rhythm.
The described sounding of step C is a verbal cue, or song.
Memory device described in the step B is a disk, or disk array, or tape, or the CD cabinet, or the USB portable hard drive, or several combination in any.
Control module described in the steps A is the steering order that gets access to the user by operating system.
Described operating system is the windows system, and memory device present flow rate data message is to determine according to the WMI DLL (dynamic link library) among the step B.
When operating system was the linux system, memory device present flow rate data message was to obtain according to the PROC file system of operating system nucleus among the step B.
The steering order that control module receives the user in the steps A comprises:
A1, when startup/shutdown switch receives user's triggering, trigger and interrupt by revising interrupt handling routine, in interrupt procedure, send signal to wake the overhead control program up to the overhead control program;
A2, overhead control program receive the signal that startup/shutdown switch sends, and check oneself whether by signal woke up, if, execution in step A3, otherwise, jump out this flow process;
A3, overhead control program judge whether the signal that receives is the signal of appointing with interrupt handling routine, if, then receive the incident of user's trigger switch, otherwise, think not receive user's trigger switch incident.
Described interruption is that interrupt the parallel port, or serial ports interrupts.
Described interruption is the interruption of local computer or non-local computer system.
Described control sounding comprises controlled frequency and rhythm.
Described controlled frequency is that the memory device monitor unit is realized by the vocal function program that the call operation system is provided.
Described control rhythm is the interval time by the control sounding.
The present invention is by acoustic surveillance computer memory system data traffic.In actual application, can be according to the variation of instant data traffic situation, the rhythm of certain frequency sound of corresponding change is with the present situation of certain storage device data flow of real-time reflection.When needs monitor a plurality of memory device simultaneously, can specify the sound of multiple frequency corresponding with it, so only needs listen the sound of various frequencies just can monitor the data traffic of a plurality of memory devices simultaneously.The system manager can do other work in listening supervisory computer memory system data flow, so just improved system manager's work efficiency, for the management work of computing machine has brought convenience, has increased the availability of computing machine.
Description of drawings
Fig. 1 is for realizing device synoptic diagram of the present invention;
Fig. 2 is for realizing the specific embodiment synoptic diagram of apparatus of the present invention;
Fig. 3 is the schematic flow sheet that device shown in Figure 2 is realized the inventive method;
Fig. 4 receives the method flow synoptic diagram of user's trigger switch incident for the overhead control program.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Referring to shown in Figure 1, realize the inventive system comprises: control module 101, memory device monitor unit 102 and sound-producing device 103.Wherein, control module 101 is used to receive the steering order from the user, and sends to 102 memory device monitor units according to steering order and to start/control signal that stops to monitor; Memory device monitor unit 102, be used to preserve the corresponding relation of storage flow data message and acoustic information, and receive control signal that startup that control module 101 sends monitors, obtain the traffic monitor data of memory device and according to the data message data of obtaining to sound-producing device 103 output sound control signals, perhaps receive the control signal that stops to monitor that control module 101 sends, and according to the control signal that stops to monitor to sound-producing device 103 output sound control signals; Sound-producing device 103 is according to the sound control signal control sound that receives.
Control module 101 also further comprises signal receiving unit 104 and total control module 105.Signal receiving unit 104 is used to receive the steering order of sending from the user, and exports steering order to total control module 105; Total control module 105 is used for the steering order of received signal receiving element 104, and determines and output starts/control signal that stops to monitor according to steering order.
In fact, signal receiving unit 104 also just is equivalent to startup/shutdown switch, and it can be button on the computer cabinet front panel or self-defining button etc.And memory device can corresponding switch, also can be the corresponding switches of a plurality of equipment.Sound-producing device can adopt loudspeaker, buzz device or the external special sound-producing device in the cabinet.The sound that sound-producing device sends can be verbal cue, music or certain specific sound etc.
Receive user's startup monitor command when control module 101 after, send startup to memory device monitor unit 102 and monitor control signal, the flow of 102 pairs of memory devices of memory device monitor unit monitors, get access to data traffic information, and from the corresponding relation of the data traffic information of self preserving and acoustic information, obtain the pairing acoustic information of this data traffic information, and control sound-producing device and send the pairing sound of this flow information.
When control module 101 receive the user stop monitor command after, send the control signal that stops to monitor to memory device monitor unit 102, memory device monitor unit 102 stops the flow of memory device is monitored, and the control sound-producing device stops sounding.
Describe technical scheme of the present invention in detail below in conjunction with the drawings and specific embodiments.
Referring to shown in Figure 2, realize that the device of present embodiment comprises: startup/shutdown switch, storage flow supervisory programme, sound-producing device and overhead control program.Wherein, startup/shutdown switch: be used for triggering startup or stop to store the flow supervisory programme; The overhead control program operates under the operating system, and is corresponding with the above-mentioned control module of mentioning, and when being used to receive the signal of user by the triggering of startups/shutdown switch, starting or stoping and stores the flow supervisory programme; Storage flow supervisory programme operates under the operating system, corresponding to above-mentioned memory device monitor unit, is used to obtain the data traffic of the memory device of needs supervision, and according to the sounding information Control generating means sounding that gets access to; Sound-producing device, the user sends the sound of respective frequencies and rhythm under the control of storage flow supervisory programme.
Referring to process flow diagram 3, the device of introducing the foregoing description is in detail realized the method for supervision.It specifically may further comprise the steps:
Step 300: set in advance the corresponding relation of storage device data flow and acoustic information, promptly set the numerical value what sound to represent how many data traffics with, wherein sound can comprise language, frequency and rhythm etc.
Step 303: the interface that storage flow supervisory programme call operation system provides, obtain the respective storage devices flow information in real time, comprise the data traffic of reading or writing, or the total flow of reading and writing etc.
Step 304: storage flow supervisory programme is determined the sound frequency and the rhythm that send according to the storage device data flow information that sets in advance and the corresponding relation of acoustic information.
Step 305: the sounding interface that storage flow supervisory programme call operation system provides, or self-defining sounding interface, frequency and rhythm that the control sound-producing device is determined according to step 304 are sounded.Certainly, when stopping to store the flow supervisory programme, also can send certain specific sound according to user's needs.
Though disk, disk array, tape are different memory devices,, all be the block device of storage data, so disposal route is basic identical from operating system.And operating system can be windows operating system, also can be linux operating system.Under windows operating system, can be by calling WMI (WMI, Windows Management Instrument) DLL (dynamic link library), it is the special-purpose DLL (dynamic link library) that is used for system management under the Windows, can realize management, control, thereby obtain out the memory device flow system performance, statistical information or the like.Be to be example below, by the example of reading, write the data traffic summation of first SCSI hard disk of acoustic surveillance computing machine with linux operating system.
In actual application, above-mentioned startup/shutdown switch can be realized by a trigger switch, two lead-in wires of this trigger switch, a ground connection, another root is connected on the interrupt pin of computer parallel port, as the pin 10 of parallel port on PC, and the user whenever clicks switch, will trigger a parallel port and interrupt.Storage flow supervisory programme is a user space application that operates under the Linux.The overhead control program is a user space application that operates under the Linux.And present embodiment utilizes the computer cabinet loudspeaker as sound-producing device.
Below receiving user's trigger switch incident, storage flow supervisory programme from the overhead control program respectively obtains the process of particular storage device data traffic data and storage flow supervisory programme control computer cabinet sound horn frequency and rhythm and illustrates.
One, overhead control program receives the method for user's trigger switch incident
Referring to shown in Figure 4, realize that under Linux the process of overhead control program reception user trigger switch incident is as follows:
Step 400～401: when startup/shutdown switch receives user's triggering, trigger a parallel port and interrupt, in interrupt procedure, send signal to wake the overhead control program up to the overhead control program.Here, can interruption be taken place by revising the parallel port interrupt handling routine.
Step 402: the overhead control program receives the signal that startup/shutdown switch sends, and is waken up.Here, because the overhead control program itself is endless loop, each circulation time at first enters sleep state, and has only when the parallel port interruption takes place, and just can be waken up by the parallel port interrupt handling routine.
Step 403: whether overhead control program checkout oneself by signal woke up, if, execution in step 404, otherwise, jump out this flow process.
Step 404: the overhead control program judges whether the signal receive is the signal of appointing with the parallel port interrupt handling routine, if, then think the incident that receives user's trigger switch, otherwise, think not receive user's trigger switch incident.
Need to prove, the method that the overhead control program receives user's trigger switch incident is a lot, such as, can also pass through ACPI agreement (Advanced Configuration and Power Interface) and take over power knob, by pressing case front panel power knob trigger switch incident, perhaps use the interruption of serial ports or other computer system port to replace the parallel port to interrupt, a pin with switch, perhaps receive from the long-range steering order of sending, and pass to the overhead control program by computer network.
Two, storage flow supervisory programme obtains the method for particular storage device data traffic
Under (SuSE) Linux OS, can be according to the Proc file system of (SuSE) Linux OS kernel, promptly/ file and sub-directory under the proc catalogue, obtain the data traffic of particular storage device.Here, present embodiment is the total data flow of reading, writing that will obtain first SCSI hard disk of computing machine.This method is as follows:
(1) reads/the proc/stat file.Can from/proc/stat file, read for the data flux statistics of each memory device in the system, these data all be kept at this document with " disk_io " in that data line of beginning.
(2) typical format about the storage device data flow is as follows in this document:
The data traffic of each memory device all shows according to following form:
(Major，Minor)：(devio，rio，rblk，wio，wblk)
Wherein,
Major is the major device number of this memory device, and Minor is the secondary device number of this memory device, and linux kernel is determined a unique memory device by Major and Minor.
Devio is the summation of the number of times of the operation this memory device accumulative total being read, writes after the system start-up, i.e. rio+wio.
Rio and wio are the number of times of the operation this memory device being read, writes after the system start-up.
Rblk and wblk are the quantity of the data block that this memory device read, writes after the system start-up.Each data block size is 512 bytes.
Regulation according to the (SuSE) Linux OS kernel, detailed documentation can be referring to the file documentation/devices.txt in the linux kernel source code, the major device number of first SCSI hard disk is 8 in the system, secondary device number is 3, therefore the disk_io in/proc/stat file starts that delegation to find Major and Minor is respectively 8,3 data ordered series of numbers, just can analyze the data traffic of this piece hard disk.
So-called input amount refers to the data volume that memory device is read and write average p.s., and the unit with data traffic is decided to be byte (byte) here, and according to actual conditions, concrete unit can adjust to some extent.Because the traffic statistics data that provide in the linux kernel are cumulative datas, thus if read the data on flows of twice accumulative total, and divided by mistiming of twice time for reading, obtain so be exactly during this period of time in the data traffic of average p.s..When the time interval of reading for twice very in short-term, during as 1～2 second, just can think that the flow that obtains is exactly the current real-time data traffic of this memory device.
That is to say, if the data of reading for the first time are rblk1, wblk1, the data of reading for the second time are rblk2, wblk2, and be T the interval time of reading for twice, as T (1-2 second) very in short-term, can think that promptly the real-time total data flow L that reads, writes of this equipment is:
L=[(rblk2+wblk2)-(rblk1+wblk1)] * 512/T [unit: byte per second]
Here why will multiply by 512, be that each data block is 512 bytes, so will be that unit adds up with the byte, just need multiply by 512 because what add up is the data block quantity of reading and writing in the linux kernel.
For the independent acquisition methods of reading or write data traffic, similar with the mode that total flow is obtained, just do not need to read, write the summation operation of data, directly subtract each other.For other memory device, difference is that major device number Major and secondary device Minor are different, and specified in more detail can be referring to the file documentation/devices.txt in the linux kernel source code.
Three, the method for storage flow supervisory programme control computer cabinet sound horn frequency and rhythm
The frequency of control sounding is achieved in that
(SuSE) Linux OS provides ready-made vocal function, and storage flow supervisory programme can directly call corresponding interface.Its basic method of calling is as follows:
(1) opens console fiole.Storage flow supervisory programme is opened the terminal device file/dev/console below the Linux, and obtains the file identifier that returns.Can realize by following C programmer statement:
console_fd＝open(″/dev/console″，O_WRONLY)；
Wherein console_fd is and opens the file identifier that returns behind the console fiole.
(2) by given frequency sounding.Send the ioctl order by terminal device file that console_fd is represented, can realize allowing the cabinet sound horn.Can realize by following C programmer statement:
ioctl(console_fd，KIOCSOUND，1190000/freq)；
Wherein, the file identifier of console_fd representative/dev/console terminal device, KIOCSOUND is the order ((SuSE) Linux OS regulation) of control terminal sounding, freq is our given audible frequency (it also is the (SuSE) Linux OS regulation that frequency parameter will adopt the form of 1190000/freq, the 1190000th, constant).
In case this program statement is performed, the sound that sends given frequency that the computer cabinet loudspeaker will continue.
(3) stop sounding: send the ioctl order by the terminal device file that console_fd is represented, can make the computer cabinet loudspeaker stop sounding.Can realize by following C programmer statement:
ioctl(console_fd，KIOCSOUND，0)；
This with the unique difference of the statement of control cabinet sound horn be exactly frequency parameter be 0.
Because the operation of storage flow supervisory programme, the device file that will open a terminal is no longer closed, unless the overhead control program stops to store the flow supervisory programme, does not therefore do the operation of the device file of closing a terminal here.
In addition, control the rhythm of sounding, in fact control the length that stops interval time of sounding.For example, allow loudspeaker send the duration is 0.5 second sound at every turn, increases or shorten the time interval of twice sound horn then, just can reach the purpose of slowing down or accelerating sound horn rhythm.Corresponding relation between the concrete time interval and the computer memory system data traffic should be determined according to actual conditions and user's request.For example, when the data stream quantitative change of the memory device that is monitored when storage flow supervisory programme is big, can reduce the time interval of sound horn, this has just accelerated the rhythm of sound horn, and what sound just became hurriedly gets up.The user hears that sound becomes rapid, just knows that the data stream quantitative change of that memory device that will monitor is big like this.When the data traffic of the memory device that is monitored when storage flow supervisory programme diminishes, can increase the time interval of sound horn, this has just reduced the rhythm of sound horn, and what sound just became slowly gets off.The user hears that sound has slowed down slowly like this, just knows that the data traffic of that memory device that he will monitor has reduced.
The present invention comes the data traffic of supervisory computer memory device by the sound of different frequency.Memory device can be disk, disk array or tape, or three kinds combination in any.And the present invention can be according to the variation of instant data traffic situation, and the rhythm of certain frequency sound of corresponding change is with the present situation of certain storage device data flow of real-time reflection.When needs monitor a plurality of memory device simultaneously, can specify the sound of multiple frequency corresponding with it, so only needs listen the sound of various frequencies just can monitor the data traffic of a plurality of memory devices simultaneously.Can use sound that the data traffic of the various storage systems that have on the computing machine is monitored, comprise disk, tape, disk array or the like.The system manager can do other work in listening supervisory computer memory system data flow, so just improved work efficiency.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (17)
1, a kind of device by acoustic surveillance computer memory device data traffic is characterized in that, this device comprises:
Control module receives the steering order from the user, and sends to monitor unit according to steering order and to start/control signal that stops to monitor;
The memory device monitor unit, be used to preserve the data on flows information of an above memory device and the corresponding relation of acoustic information, and receive the control signal that startup that control module sends monitors, flow to a described above memory device monitors simultaneously, obtain memory device data on flows information, and determine the pairing acoustic information of data on flows information that obtains according to the corresponding relation that self preserves, and according to the acoustic information that obtains to sound-producing device output sound control signal, or, receive the control signal that stops to monitor that control module sends, and according to the control signal that stops to monitor to sound-producing device output sound control signal;
Sound-producing device is according to the sound control signal control sound that receives.
2, device according to claim 1 is characterized in that, described control module comprises signal receiving unit and total control module,
Described signal receiving unit is used to receive the steering order of sending from the user, and exports steering order to total control module;
Described total control module is used for the steering order of received signal receiving element, and determines and output starts/control signal that stops to monitor according to steering order.
3, device according to claim 2 is characterized in that, described signal receiving unit is the button on the computing machine front panel, or the switch that is connected with computing machine.
4, device according to claim 1 is characterized in that, described sound-producing device is buzz device, loudspeaker or the external controlled sound-producing device of computing machine.
5, a kind of method of utilizing the described device realization of claim 1 by acoustic surveillance computer memory device data traffic is characterized in that this method may further comprise the steps:
A. after control module receives user's steering order, determine instruction type, if enabled instruction then starts the memory device monitor unit, execution in step B, if halt instruction, control store traffic monitor program stops to monitor;
B. the memory device monitor unit obtains the data on flows information when previous above memory device in real time, and the corresponding relation of above memory device data on flows information of preserving according to self and acoustic information, determine the pairing acoustic information of data on flows information that obtains;
C. the memory device monitor unit utilizes the acoustic information that obtains among the step B, control sound-producing device sounding.
6, method according to claim 5 is characterized in that, described acoustic information is frequency and/or rhythm.
7, method according to claim 6 is characterized in that, the described sounding of step C is a verbal cue, or song.
8, method according to claim 5 is characterized in that, memory device described in the step B is a disk, or disk array, or tape, or the CD cabinet, or the USB portable hard drive, or several combination in any.
9, method according to claim 5 is characterized in that, control module described in the steps A is the steering order that gets access to the user by operating system.
10, method according to claim 9 is characterized in that, described operating system is the windows system, and memory device present flow rate data message is to determine according to the WMI DLL (dynamic link library) among the step B.
11, method according to claim 9 is characterized in that, when operating system was the linux system, memory device present flow rate data message was to obtain according to the PROC file system of operating system nucleus among the step B.
12, method according to claim 11 is characterized in that, the steering order that control module receives the user in the steps A comprises:
A1, when startup/shutdown switch receives user's triggering, trigger and interrupt by revising interrupt handling routine, in interrupt procedure, send signal to wake the overhead control program up to the overhead control program;
A2, overhead control program receive the signal that startup/shutdown switch sends, and check oneself whether by signal woke up, if, execution in step A3, otherwise, jump out this flow process;
A3, overhead control program judge whether the signal that receives is the signal of appointing with interrupt handling routine, if, then receive the incident of user's trigger switch, otherwise, think not receive user's trigger switch incident.
13, method according to claim 12 is characterized in that, described interruption is that interrupt the parallel port, or serial ports interrupts.
14, method according to claim 12 is characterized in that, described interruption is the interruption of local computer or non-local computer system.
15, method according to claim 11 is characterized in that, described control sounding comprises controlled frequency and rhythm.
16, method according to claim 15 is characterized in that, described controlled frequency is that the memory device monitor unit is realized by the vocal function program that the call operation system is provided.
17, method according to claim 15 is characterized in that, described control rhythm is the interval time by the control sounding.
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| CNB2004100045808A CN100346312C (en) | 2004-02-23 | 2004-02-23 | Equipment and method for monitoring data flux of memory device in computer throutgh sound |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6192490B1 (en) * | 1998-04-10 | 2001-02-20 | International Business Machines Corporation | Method and system for monitoring computer performance utilizing sound diagnostics |
| CN1381784A (en) * | 2001-04-19 | 2002-11-27 | 梅捷企业股份有限公司 | Control module for system state display |
| US20030140282A1 (en) * | 1999-06-03 | 2003-07-24 | Kaler Christopher G. | Method and apparatus for analyzing performance of data processing system |
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2004
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6192490B1 (en) * | 1998-04-10 | 2001-02-20 | International Business Machines Corporation | Method and system for monitoring computer performance utilizing sound diagnostics |
| US20030140282A1 (en) * | 1999-06-03 | 2003-07-24 | Kaler Christopher G. | Method and apparatus for analyzing performance of data processing system |
| CN1381784A (en) * | 2001-04-19 | 2002-11-27 | 梅捷企业股份有限公司 | Control module for system state display |
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