WO2001009720A1 - Systeme de gestion et systeme informatique virtuel - Google Patents
Systeme de gestion et systeme informatique virtuel Download PDFInfo
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- WO2001009720A1 WO2001009720A1 PCT/JP2000/004948 JP0004948W WO0109720A1 WO 2001009720 A1 WO2001009720 A1 WO 2001009720A1 JP 0004948 W JP0004948 W JP 0004948W WO 0109720 A1 WO0109720 A1 WO 0109720A1
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- saving mode
- clock cycle
- operating system
- request
- power saving
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3246—Power saving characterised by the action undertaken by software initiated power-off
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Definitions
- the present invention relates to an operating system capable of executing a plurality of tasks in a computer system and a virtual computer system capable of executing one or a plurality of operating systems including the operating system.
- FIG. 29 is a state transition diagram at the time of a power-off request in a conventional operating system.
- the conventional power on / off switching method in the operating system having task A and task B, if task B issues a power-off request during execution of task A, the operating system determines that task A Even during execution, processing was performed to accept the power-off request from task B, turn off the power, and then turn it on again. Similar processing is also performed for power-on requests. Was being done. Therefore, since the power is once turned off, the power is turned back on, and the processing of task A is continued, the wasteful processing of once turning off the power and then returning to the power on state is eliminated. Will occur.
- FIG. 30 is a state transition diagram at the time of a power saving mode switching request in a conventional operating system.
- the conventional method of switching the CPU power saving mode is that in an operating system that has two tasks, task A and task B, task B switches to power saving mode? While task A is running in power saving mode.
- a power-saving mode switching request was issued to a power-saving mode, the task was switched to the power-saving mode? Even if task A was being executed in the power-saving mode, and then processing to return to the power-saving mode was performed. Therefore, there is a wasteful process of once switching to the power saving mode /? And then returning to the power saving mode.
- FIG. 31 is a state transition diagram at the time of a clock cycle switching request in a conventional operating system.
- the clock cycle is changed so that task B switches to the clock cycle /? While task A is executing at the clock cycle.
- the task was switched to the clock cycle? Even if task A was executing at the clock cycle, and then the task was switched back to the clock cycle. Therefore, there is a wasteful process of once switching to the clock cycle /? And then returning to the clock cycle.
- Figure 32 shows one configuration of the virtual computer system.
- the virtual computer system is composed of operating systems A101, B1 that have different properties such as real-time operation and large or small load under one or more virtual computer devices 100 in the CPU.
- Steps 105 and 106 are executed.
- FIG. 33 is a state transition diagram at the time of a power-off request in the conventional virtual machine system.
- operating system A hereinafter referred to as OSA
- OSB operating system B
- OSA operating system A
- OSB operating system B
- Fig. 34 is a state transition diagram when a power saving mode switching request is made in the conventional virtual machine system.
- the power saving mode is changed from 0 SB to 0 SA while the SA is running in the power saving mode.
- the process was temporarily switched to the power saving mode while the SA was being executed in the power saving mode, and then the process of returning to the power saving mode was performed. Therefore, there is a wasteful process of once switching to the power saving mode /? And then returning to the power saving mode.
- FIG. 35 is a state transition diagram at the time of a clock cycle switching request in the conventional virtual machine system.
- the conventional clock cycle switching method in a system having two operating systems, operating system A and operating system B, switching of clock cycle d from 0 SB to 0 SB is required during execution of 0 SA at the clock cycle.
- the OSA was switched to the clock cycle? While the OSA was running at the clock cycle, and then returned to the clock cycle. Therefore, useless processing such as once switching to the clock cycle /? And then returning to the clock cycle occurs.
- the present invention has been made in view of the above problems, and can control a request for a hardware device such as power on / off when controlling a plurality of tasks or a plurality of operating systems. It is intended to provide an operating system and a virtual computer system capable of reducing power consumption.
- a hardware device such as power on / off when controlling a plurality of tasks or a plurality of operating systems. It is intended to provide an operating system and a virtual computer system capable of reducing power consumption.
- An operating system for managing a plurality of tasks comprising: storage means for storing execution information including an execution state of a hardware device in each of the tasks; Request accepting means for accepting at least one of a power-on request and a power-off request for a device, and controlling execution of a process related to the request based on the execution information. If at least one of the power-off requests is issued to at least one hidden air device, and another evening uses the hidden air device, the power-on request or the power-off request is issued. And power supply switching control means for preventing execution of processing.
- An operating system of the present invention in an operating system that manages a plurality of tasks, a storage unit that stores power saving mode information of a hardware device in each of the tasks, and receives the power saving mode switching request.
- a request accepting unit for controlling execution of a process related to the request based on the power saving mode information, wherein when the task is switched, the power saving mode of the switched task is Power-saving mode switching control means for setting a power-saving mode based on one-way information.
- the power saving mode switching control means can change a setting of the power saving mode based on the power saving mode information during execution of the task.
- the operating system according to (2) or (3) further comprising: priority comparing means for comparing the task execution priority or the power saving mode information priority in the (2) or (3).
- the power mode switching control means changes the setting of the power saving mode based on the comparison result of the priorities during execution of the task.
- An operating system of the present invention in an operating system for managing a plurality of tasks, comprising: a power saving mode information of a hardware device in each of the tasks; and a power saving mode information of the operating system itself.
- a storage unit for storing; a request receiving unit for receiving a request for switching the power saving mode; and a unit for controlling execution of a process related to the request based on the power saving mode information.
- Power saving mode switching control means for comparing the power mode information with the power saving mode information of the operating system itself to change the setting of the power saving mode.
- An operating system in an operating system for managing a plurality of tasks, comprising: a power saving mode information of a hardware device in each of the tasks; and a power saving mode information of the operating system itself.
- a storage unit for storing, a request receiving unit for receiving a request for switching the power saving mode, and a unit for controlling execution of a process related to the request based on the power saving mode information.
- Power saving mode switching control means for comparing the power saving mode information of the operating system with the power saving mode information of the operating system itself and changing the setting of the power saving mode.
- the operating system of the present invention in the operating system for managing a plurality of tasks, comprising: a storage unit for storing clock cycle information of a hardware device in each of the tasks; Request receiving means for receiving a switching request; and And a clock cycle switching control unit for setting a clock cycle based on clock cycle information of the switched task when the task is switched.
- the clock cycle switching control means can change a clock cycle based on the clock cycle information during execution of the task. It is characterized by.
- the operating system according to (7) or (8), further comprising: priority comparing means for comparing the execution priority of the task or the priority of the clock cycle information;
- the switching control means changes the clock cycle based on the priority comparison result during the execution of the task.
- An operating system of the present invention in an operating system that manages a plurality of tasks, stores clock cycle information of a Hard-Air device in each of the tasks and clock cycle information of the operating system itself.
- a storage unit a request receiving unit that receives the request for switching the cycle period; and a unit that controls execution of a process related to the request based on the clock period information.
- clock cycle switching control means for comparing the cycle information with the clock cycle information of the operating system itself to change the clock cycle.
- An operating system is an operating system for managing a plurality of tasks, comprising: a clock cycle information of a Hard-Air device for each of the tasks; and a clock cycle of the operating system itself.
- Storage means for storing information; a request receiving means for receiving the clock cycle switching request; and a control unit for controlling execution of the processing related to the request based on the clock cycle information.
- clock cycle switching control means for comparing the clock cycle information of the operating system with the clock cycle information of the operating system itself to change the clock cycle.
- a virtual machine system includes an execution control means for controlling execution of at least one of the operating systems according to any of (1) to (11).
- the above operating system if at least one task issues a power-on request or power-off request to at least one hardware device, and another task is using the hardware device, Does not perform power-on processing or power-off processing immediately in response to the issued request, for example, power-on processing or power supply of the corresponding Hard-Air device when the task being executed is completed and the task is switched. Perform off processing. As a result, useless power consumption is reduced, and current consumption can be suppressed.
- the power saving mode switching process is not performed immediately in response to the issued request.
- the power saving mode of the hard disk device such as CPU is set based on the power saving mode information of the task.
- compare the task execution priority and the priority of the power saving mode information to change the setting of the power saving mode, and compare the power saving mode information of the task with the power saving mode information of the operating system itself. Compare and change the power saving mode setting. As a result, useless power consumption is reduced, and current consumption can be suppressed.
- the task when a task issues a clock cycle switching request and another task is running, the task does not immediately execute the clock cycle switching process in response to the issued request.
- the clock cycle of a hard disk device such as a CPU can be set based on the clock cycle information of the task, The execution cycle of the task is compared with the priority of the clock cycle information to change the clock cycle, or the clock cycle of the task is compared with the clock cycle information of the operating system itself to determine the clock cycle. Change settings. As a result, useless power consumption is reduced, and current consumption can be suppressed.
- a virtual machine system in a virtual machine system that executes and controls a plurality of operating systems, storage means for storing execution information including an execution state of a hard-air device in each of the operating systems; and Low power-on and power-off requests for the hardware device Request receiving means for receiving at least one request; andcontrolling execution of a process related to the request based on the execution information, wherein at least one operating system determines at least one of the power-on request and the power-off request at least.
- Power switching control means when issued to one hardware device, if another operating system is using the hardware device, do not execute the power-on request or power-off request.
- a virtual computer system is a virtual computer system for executing and controlling a plurality of operating systems, wherein a storage means for storing power saving mode information of a hard-air device in each of the operating systems, Request receiving means for receiving the power saving mode switching request; and controlling the execution of the processing related to the request based on the power saving mode information.
- Power saving mode switching control means for setting a power saving mode based on the information.
- the power-saving mode switching control unit changes the power-saving mode based on the power-saving mode information while the operating system is running. It is characterized by being possible.
- a priority comparing means for comparing the execution priority of the operating system or the priority of the power saving mode information is provided.
- the power saving mode switching control unit changes the setting of the power saving mode based on the comparison result of the priorities during execution of the operating system.
- a virtual machine system is a virtual machine system for executing and controlling a plurality of operating systems, comprising: a power-saving mode information of a hard-air device in each of the operating systems; and the virtual machine system.
- a storage unit for storing the power saving mode information in itself, a request receiving unit for receiving a request for switching the power saving mode, and a unit for controlling execution of the process related to the request based on the power saving mode information.
- the operating system Power saving mode switching control means for comparing the power saving mode information of the operating system with the power saving mode information of the virtual machine system itself and changing the setting of the power saving mode during the operation. It is.
- a virtual machine system is a virtual machine system for executing and controlling a plurality of operating systems, comprising: a power saving mode information of a hardware device in each of the operating systems; and the virtual machine system itself.
- Storage means for storing the power saving mode information in the above, a request receiving means for receiving the power saving mode switching request, and controlling the execution of the processing related to the request based on the power saving mode information.
- Power-saving mode switching control for changing the power-saving mode by comparing the power-saving mode information of the switched operating system with the power-saving mode information of the virtual machine system itself at the time of switching the operating system. Means.
- a virtual machine system in a virtual machine system that executes and controls a plurality of operating systems, storage means for storing clock cycle information of a hardware device in each of the operating systems; Request receiving means for receiving a switching request for a clock cycle, and controlling execution of a process related to the request based on the clock cycle information.
- clock cycle information of the switched operating system is provided.
- a cycle switching control means for setting the cycle based on the above.
- the clock cycle switching control means may change a clock cycle based on the clock cycle information during execution of the operating system. It is characterized by being.
- the virtual machine system of the present invention uses a plurality of operating systems.
- a virtual computer system for performing execution control a storage means for storing clock cycle information of a hard-air device in each of the operating systems, and clock cycle information in the virtual computer system itself;
- Request accepting means for accepting a switching request; and controlling execution of the process related to the request based on the clock cycle information.
- the clock cycle information of the operating system and the virtual computer system And clock cycle switching control means for comparing the clock cycle information with its own to change the clock cycle.
- a virtual machine system is a virtual machine system for executing and controlling a plurality of operating systems, comprising: a clock cycle information of a hardware device in each of the operating systems; and a virtual machine system in the virtual machine system itself.
- Storage means for storing clock cycle information; request receiving means for receiving the clock cycle switching request; and controlling execution of the request based on the clock cycle information based on the clock cycle information.
- a clock cycle switching control means for comparing the clock cycle information of the switched operating system with the clock cycle information of the virtual computer system itself at the time of switching to change the clock cycle.
- the power saving mode switching process is not performed in response to the issued request immediately. So that, for example, when the running operating system is terminated and the operating system is switched, During the execution of the switched operating system, sets the power saving mode of the hard disk device such as CPU based on the power saving mode information of the operating system, and sets the execution priority and power saving of the operating system. Change the setting of the power saving mode by comparing the priority of the power mode information, and set the power saving mode by comparing the power saving mode information of the operating system with the power saving mode information of the virtual machine system itself. change. As a result, wasteful power consumption is reduced, and current consumption can be suppressed.
- the clock cycle switching process is not performed immediately in response to the issued request.
- a hardware device such as a CPU is used based on the clock cycle information of the operating system. Setting the clock cycle of the operating system, comparing the execution priority of the operating system and the priority of the link cycle information, and changing the clock cycle. The clock cycle is compared with the clock cycle information of the computer system itself. To constant change. As a result, wasteful power consumption is reduced, and current consumption can be suppressed.
- FIG. 1 is a block diagram showing a functional configuration of a virtual machine system using an operating system according to the present embodiment.
- FIG. 2 is a state transition diagram in the operating system according to the first embodiment of the present invention.
- FIG. 3 is a state transition diagram in the operating system according to the first embodiment of the present invention.
- FIG. 4 is a state transition diagram in the operating system according to the second embodiment of the present invention.
- FIG. 5 shows a state in the operating system according to the second embodiment of the present invention. It is a transition diagram.
- FIG. 6 is a state transition diagram in the operating system according to the third embodiment of the present invention.
- FIG. 7 is a state transition diagram in the operating system according to the third embodiment of the present invention.
- FIG. 8 is a state transition diagram in the operating system according to the fourth embodiment of the present invention.
- FIG. 9 is a state transition diagram in the operating system according to the fourth embodiment of the present invention.
- FIG. 10 is a state transition diagram in the operating system according to the fifth embodiment of the present invention.
- FIG. 11 is a state transition diagram in the operating system according to the fifth embodiment of the present invention.
- FIG. 12 is a block diagram showing a functional configuration of a virtual computer system using an operating system having a priority comparison unit according to the present embodiment.
- FIG. 13 is a state transition diagram in the operation system according to the sixth embodiment of the present invention.
- FIG. 14 is a state transition diagram in the operation system according to the seventh embodiment of the present invention.
- FIG. 15 is a block diagram illustrating a functional configuration of the virtual machine system according to the present embodiment.
- FIG. 16 is a state transition diagram in the virtual machine system according to the eighth embodiment of the present invention.
- FIG. 17 is a state transition diagram in the virtual machine system according to the eighth embodiment of the present invention.
- FIG. 18 is a state transition diagram in the virtual machine system according to the ninth embodiment of the present invention.
- FIG. 19 is a state transition diagram in the virtual machine system according to the ninth embodiment of the present invention.
- FIG. 20 is a state transition diagram in the virtual machine system according to the tenth embodiment of the present invention.
- FIG. 21 is a state transition diagram in the virtual machine system according to the tenth embodiment of the present invention.
- FIG. 22 is a state transition diagram in the virtual machine system according to the first embodiment of the present invention.
- FIG. 23 is a state transition diagram in the virtual machine system according to the first embodiment of the present invention.
- FIG. 24 is a state transition diagram in the virtual machine system according to the 12th embodiment of the present invention.
- FIG. 25 is a state transition diagram in the virtual machine system according to the 12th embodiment of the present invention.
- FIG. 26 is a block diagram illustrating a functional configuration of a virtual computer system having a priority comparison unit according to the present embodiment.
- FIG. 27 is a state transition diagram in the virtual machine system according to the thirteenth embodiment of the present invention.
- FIG. 28 is a state transition diagram in the virtual machine system according to the fourteenth embodiment of the present invention.
- FIG. 29 is a state transition diagram at the time of a power-off request in the conventional operating system.
- FIG. 30 is a state transition diagram when a power saving mode switching request is made in a conventional operating system.
- FIG. 31 is a state transition diagram when a clock cycle switching request is made in a conventional operating system.
- FIG. 32 is a block diagram showing one configuration of the virtual machine system.
- FIG. 33 is a state transition diagram at the time of a power-off request in the conventional virtual machine system.
- FIG. 34 is a state transition diagram at the time of a power saving mode switching request in the conventional virtual machine system.
- FIG. 35 is a state transition diagram at the time of a clock cycle switching request in the conventional virtual machine system.
- 1, 11, 22, and 32 are storage units
- 2, 12, 21, and 31 are reception units
- 3, 13, 23, and 33 are control units
- 4, 14, 26, and 36 is a hardware device
- 15 and 38 are priority comparison units
- 20 and 30 are operation system identifiers
- 24 and 34 are device identifiers
- 25 and 35 are operation systems
- 27 and 37 are virtual computer devices.
- the operating system manages a plurality of different tasks under an operating system in one or a plurality of CPUs, and performs execution and switching control thereof.
- the virtual machine system according to the present embodiment includes a plurality of operating systems having different properties such as real-time property and load size under the virtual machine 100 having one or more CPUs.
- a 101, B 102, ..., Z 103 can be executed, and applications 104, 105, 106 can be executed while controlling a plurality of hardware devices 107 on each operating system. It has a configuration.
- Various operating systems can be applied as the operating system, such as real-time 0 S for embedded devices and UN IX of the time division system (T SSS).
- FIG. 1 is a block diagram showing a functional configuration of a virtual computer system using an operating system according to the present embodiment.
- the virtual machine system includes a hardware device 4 and, for example, one of a power-on request and a power-off request for each hardware device, or A storage unit 1 that stores and manages both of these requests for each task, a reception unit 2 that receives and stores a power on / off switching request from the task to the hard air device, and a power supply that is stored in the reception unit 2. Compare the contents of the on / off switching request (that is, information about the task that issued the power on / off switching request) with the contents stored in the storage unit 1 (that is, information about the currently executing task). And a control unit 3 that performs control based on the result.
- the storage unit 1, the reception unit 2, and the control unit 3 are configured by software programs and data executable by a CPU in a semiconductor memory or the like provided in a computer system. Since the structure and the principle of operation can be implemented by using a well-known technique, a description thereof will be omitted here, and only the features of the present embodiment will be described.
- the first embodiment power-on / off switching request
- the second and third embodiments CPU power-saving mode switching request
- the fourth and fifth embodiments clock cycle switching request
- FIG. 2 and 3 are state transition diagrams in the operating system according to the first embodiment of the present invention.
- the functional configuration of the virtual machine system used in the first embodiment is shown in FIG.
- the operating system of the first embodiment manages and controls a power-on request or a power-off request switching request (hereinafter referred to as a power-on / off switching request) for each hardware device of each task. This is to reduce power consumption.
- the operation at the time of issuing the power on / off switching request in the first embodiment will be described.
- a task other than that task issues a power on / off switching request while a task is running, the task that is currently running and that task is using
- the execution state of each task related to hardware devices and the like is stored and managed in the storage unit 1.
- the reception unit 2 A power on / off switching request from a task other than the running task is received and stored.
- control unit 3 compares the content stored in the reception unit 2 with the content stored in the storage unit 1, and as a result, the power on / off switching request is If the request is from another server other than the one specified above, process this power on / off switching request so that it is not executed for the hardware device.
- the timing of task switching and the task switching method are the same as in a general operating system.
- Fig. 2 shows the case where task B issues a power-off request while task A is processing.
- the task B power-off request is not executed for the hardware device, and after task A processing is completed, task B power-off request is processed and the operation is performed. Shut down the system.
- Figure 3 shows the case where task B receives a power-on request while task A is being processed.
- the task B power-on request is not issued to the hardware device, and after task A processing is completed, task B power-on request is processed and the task is turned off. Instead, task B is executed as it is.
- both the power-on request and the power-off request are accepted, and if any of these requests is issued, requests from other than the currently executing task will be processed in the same way as described above.
- the processing may be performed after the processing is completed.
- the request when one of the power-on request and the power-off request from another task or both of these requests is issued during execution of a certain task, the request is executed. Processing a running task before starting, preventing access to hardware devices every time a power on / off switching request is issued from another task, and wasteful power consumption. Can be prevented.
- FIGS. 4 and 5 show an operation system according to the second embodiment of the present invention.
- FIG. The functional configuration of the virtual computer system used in the second embodiment also refers to FIG.
- the operating system according to the second embodiment reduces power consumption by managing and controlling the power saving mode switching request of the CPU to each hardware device of each task.
- each task has power saving mode information, and in the configuration of the first embodiment, the CPU power saving mode for changing the CPU power saving mode in place of the power on / off switching request. A mode switching request is received. Otherwise, the configuration is the same as that of the first embodiment, and a description thereof will not be repeated.
- FIG. 1 If a power saving mode switching request is issued from task B other than task A while task A is running, the execution state of each task and the execution state of each hardware device, and which task is in which power saving mode,
- the storage unit 1 manages whether or not it is being executed.
- the receiving unit 2 receives and stores the power saving mode switching request from the task B, and compares the content stored in the receiving unit 2 by the control unit 3 with the content stored in the storage unit 1. As a result, if the current power saving mode switching request is a request from a device other than the disk A, the power saving mode switching request is processed so as not to be executed for the hard disk.
- task B power saving mode switching request is sent to the hardware device.
- the task is switched to task B and the task B is changed to the power saving mode m2.
- the operating system according to the second embodiment changes the power saving mode during the execution of the task B after the switching to the task B and the setting of the task B to the power saving mode. It is also possible.
- FIG. 6 and 7 are state transition diagrams in the operation system according to the third embodiment of the present invention.
- the functional configuration of the virtual machine system used in the third embodiment also refers to FIG.
- the operating system for managing a plurality of tasks of the third embodiment has its own power saving mode, and the storage unit 1 in the configuration of the second embodiment stores the hard disk device and the execution state of each task, In addition to storing and managing which tasks are being executed in which power saving mode, it also stores and manages the power saving mode information of the operating system itself.
- the other components are the same as in the second embodiment, and a description thereof will not be repeated.
- a power saving mode switching request is issued from task B other than task A while task A is running, the execution status of each task and the execution status of each hardware device, and which task is executed in which power saving mode,
- the power saving mode information of the operating system itself is stored and managed in the storage unit 1.
- the control unit 3 compares the content of the power saving mode switching request stored in the reception unit 2 with the content stored in the storage unit 1, and determines that the current power saving mode switching request is a request from a source other than evening A. If so, the power saving mode switching request is processed so as not to be executed for the hard disk.
- the operating system when executing task A and switching task B, executes the power saving mode information content from task B and the power saving mode information held by the operating system itself.
- the power saving mode can be freely selected based on the results.
- the request to change the task B to the power saving mode m2 is not executed for the hardware de-piice.
- the power saving mode m2 of task B is compared with the power saving mode M1 of the operating system itself, and as a result, The power saving mode to be executed can be freely selected.
- the priority is set between the power saving mode of the operating system itself and the power saving mode of the task, or the power saving mode with lower power consumption is preferentially switched.
- the operating system that manages and controls a plurality of tasks
- a task other than the task being executed requests a power saving mode switch
- the task being executed is processed, and then the power saving mode of the operating system is processed.
- the power saving mode of the task that issued the power saving mode switching request, and based on the result, the power saving mode can be switched.
- FIGS. 8 and 9 are state transition diagrams in the operating system according to the fourth embodiment.
- the functional configuration of the virtual machine system used in the fourth embodiment also refers to FIG.
- the operating system according to the fourth embodiment reduces power consumption by managing and controlling a clock cycle switching request for each task to each hardware device.
- This operating system receives the clock cycle switching request for changing the clock cycle instead of the power on / off switching request in the configuration of the first embodiment. Otherwise, the configuration is the same as that of the first embodiment, and a description thereof will be omitted.
- the storage unit 1 stores and manages which tasks are being executed in which clock cycle.
- the receiving unit 2 receives and stores the clock cycle switching request from the task B, and the control unit 3 compares the content stored in the receiving unit 2 with the content stored in the storage unit 1, and compares the content. If the content of this request is a request from task B, the clock cycle switching request is processed so as not to be executed. Then, when the task A is completed and the task is switched, the clock cycle of the CPU is set based on the clock cycle information of the switched task B.
- the operating system terminates the processing of the task A, switches to the task B and sets the clock cycle f2 of the task B, and then executes the task B during execution. It is possible for task B to change the clock cycle setting.
- FIGS. 10 and 11 are state transition diagrams in the operating system according to the fifth embodiment.
- the functional configuration of the virtual machine system used in the fifth embodiment also refers to FIG.
- the storage unit 1 in the configuration of the fourth embodiment stores and manages the execution state of each task and each hardware device, and which task is executing at which clock cycle. It stores and manages the clock cycle information of the operating system itself.
- the other components are the same as in the fourth embodiment, and a description thereof will not be repeated.
- a task other than task A issues a clock cycle switching request while task A is running, it manages the execution state of each task and the execution state of each hardware device. Run at clock cycle In addition, the clock period information of the operating system itself is stored and managed in the storage unit 1.
- the control unit 3 compares the content of the clock cycle switching request from the task B stored in the reception unit 2 with the content stored in the storage unit 1, and as a result, the content of this request is If this is the case, it is processed so that the clock cycle switching request is not executed.
- the operating system of the fifth embodiment is configured such that when the processing of the task A is completed and the task is switched to the task B, the clock cycle fl of the task B and the clock cycle F1 of the operating system itself are used. Based on the comparison result, the clock cycle to be executed later can be freely selected.
- the change request of the task B to the clock cycle f2 is not executed to the hard-air device.
- the clock cycle f 2 of task B is compared with the clock cycle F 1 of the operating system itself, and as a result, the clock cycle executed thereafter Can be freely selected.
- the operating system that manages and controls a plurality of tasks
- a clock cycle switching request is issued from a task other than the task being executed
- the task that is being executed is processed, and then the clock cycle of the operating system is changed. It is possible to compare the clock cycle of the task and switch the clock cycle based on the result.
- switching clock periods for example, prioritizing between the clock period of the operating system itself and the clock period of the task, For example, the clock cycle is preferentially switched to a longer clock cycle with less power consumption.
- FIG. 12 is a block diagram showing a functional configuration of a virtual computer system using an operating system having a priority comparison unit according to the present embodiment.
- This virtual machine system includes a hardware device 14, a storage unit 11 for storing and managing, for example, a power saving mode switching request to each hardware device 14 for each task, and a power saving mode switching from each task.
- a reception unit 12 for receiving and storing the request; a control unit 13 for comparing and controlling the content of the power saving mode switching request stored in the reception unit 12 with the content stored in the storage unit 11; It has a priority comparing section 15 for comparing the priorities of the power saving mode information being executed and the power saving mode information stored in the storage section 11.
- This virtual computer system is the same as the virtual computer system of FIG. 1 except that a priority comparison unit is provided.
- FIG. 13 is a state transition diagram in the operation system according to the sixth embodiment of the present invention. The functional configuration of the virtual machine system used in the sixth embodiment is shown in FIG.
- the operating system according to the sixth embodiment includes a priority comparison unit that compares the priority of the task being executed with the task that has issued the power saving mode switching request, and the power saving mode of the CPU to the hardware device.
- the power consumption is reduced by managing and controlling the switching request for each task.
- a power saving mode switching operation of the CPU according to the sixth embodiment will be described with reference to FIGS.
- a task B other than task A issues a power saving mode switching request while task A is running, the execution state of each task and the execution state of each hardware device And which task is being executed in which power saving mode is stored and managed in the storage unit 11.
- the receiving unit 12 receives and stores the power saving mode switching request from the task B.
- control unit 13 compares the content stored in the reception unit 12 with the content stored in the storage unit 11, and as a result, if the current request is a request from the task B, However, the power saving mode switching request is not executed. Then, when the processing of task A is completed and switching to task B is performed, the task priorities of task A and task B (that is, the task priorities of tasks executable in the operating system) are compared and determined. It is possible to determine the power saving mode to be changed when switching to task B, based on the result of the degree comparison.
- the mode is switched to the power saving mode m2 of the task B (not shown).
- the operating system terminates the processing of task A, switches to task B, sets the power saving mode of task B, and then saves task B during execution of task B.
- the power mode can be changed.
- task A is compared with task priority during execution of task B, It is also possible to determine the power saving mode by comparing the priorities.
- the power saving mode may be determined based on the comparison result of the priority.
- the priority comparing unit compares and determines the priorities of the plurality of tasks, and compares the priority. Thus, it is possible to determine the power saving mode to be changed.
- the task being executed is processed without executing the request. This prevents access to the hardware device every time a power saving mode switching request is issued from another task, thereby preventing wasteful power consumption.
- FIG. 14 is a state transition diagram in the operation system according to the seventh embodiment of the present invention. Refer to FIG. 12 for the functional configuration of the virtual machine system used in the seventh embodiment.
- the operating system includes a priority comparison unit that compares the priority of the task being executed with the task that issued the clock cycle switching request, and manages the clock cycle switching request to the hardware device for each task. By controlling, power consumption is reduced.
- the operating system according to the seventh embodiment receives the clock cycle switching request for changing the clock cycle instead of the power saving mode switching request of the CPU in the configuration of the sixth embodiment. Otherwise, the configuration is the same as that of the sixth embodiment, and a description thereof will not be repeated.
- a clock cycle switching operation in the seventh embodiment will be described with reference to FIGS.
- a task other than task A issues a clock cycle switching request while task A is running, the execution status of each task and the execution of each hardware device The state is managed, and which task is being executed at which clock cycle is stored and managed in the storage unit 11.
- the receiving unit 12 receives the clock cycle switching request from the task B.
- the control unit 23 stores the contents stored in the reception unit 12 and the contents stored in the storage unit 11. If the current request is a request from task B as a result of comparing and examining the contents remembered, the clock cycle switching request is not executed.
- the priority comparison unit 15 compares and determines the task priorities of task A and evening B, and based on the priority comparison result, the task B It is possible to determine the clock cycle to be changed when switching to.
- the operating system completes the processing of task A, switches to task B, sets the clock cycle of task B, and then executes task B during the execution of task B.
- the period can be changed.
- the task is switched to task B and the clock cycle of task B is set, and task A and task B are prioritized during task B execution. It is also possible to determine the clock period by comparing and judging the degrees and comparing the priorities.
- the clock cycle priority may be set, and the clock cycle may be determined based on the comparison result of the priority.
- the priorities of the plurality of tasks are compared after the ending of the currently executing task. It is possible to make a comparison judgment in the section and determine the clock cycle to be changed at the time of task switching based on the priority comparison result.
- the task being executed is processed before the request is executed. Prevents access to the hardware device every time a clock cycle switching request is issued from another task, and wastes power. Can be prevented.
- FIG. 15 is a block diagram showing a functional configuration of the virtual computer system according to the present embodiment.
- This virtual machine system includes an operating system identifier (hereinafter, referred to as an OS identifier) 20 for managing the execution status of a plurality of operating systems 25, for example, a power-on request or power-off of a device from the operating system.
- a receiving unit 21 that receives and stores one or both of the requests, and a storage unit 22 that stores and manages power on / off information of each hardware device for each operating system.
- the control unit 23 for comparing and controlling the content stored in the reception unit 21 and the content stored in the storage unit 22 and the device identifier 24 for managing the execution status of the plurality of hardware devices 26
- the virtual computer device 27 is provided.
- the OS identifier 20, the storage unit 22, the reception unit 21, the control unit 23, and the device identifier 24 are based on software programs and data executable by the CPU in a semiconductor memory or the like provided in the computer system. Since the more specific structure and operation principle of each means can be implemented by using a well-known technique, the description is omitted here, and only the characteristic portions of the present embodiment will be described. I do.
- the eighth embodiment power on / off switching request
- the ninth and tenth embodiments CPU power saving mode switching request
- the 11th and 12th embodiments clock cycle switching request
- FIGS. 16 and 17 are state transition diagrams in the virtual machine system according to the eighth embodiment of the present invention.
- the functional configuration of the virtual machine system according to the eighth embodiment is shown in FIG.
- the virtual machine system according to the eighth embodiment eliminates power consumption by managing and controlling a power on / off switching request for each hardware device of each operating system.
- a power on / off switching operation in the eighth embodiment will be described with reference to FIG.
- OSA operating system A
- 0 SB operating system B
- the operating status of each operating system is managed.
- 0 S identifier 20 identifies which operating system is running
- device identifier 24 identifies each operating system.
- the storage unit 22 stores and manages which operating system is executing the hardware device.
- the receiving unit 21 receives and stores a power on / off switching request from an operating system 0 SB other than 0 S A.
- the control unit 23 compares the contents of the 0 SB that issued the power on / off switching request stored in the reception unit 21 with the contents of the current 0 SA stored in the storage unit 22. consider. As a result of the comparison, if the content of the current power on / off switching request is a power on / off switching request from another operating system 0 SB other than the currently executed 0 SA, the currently executed 0 SA is executed. As long as is running a hardware device, processing is performed so as not to accept a power on / off switching request from 0SB.
- the timing of switching the operating system and the method of switching the operating system are the same as those of a general virtual machine system.
- the power off request for 0 SB is temporarily held in the virtual machine, and the OSA processing ends. After that, when the execution right is transferred to the virtual machine, the power-off request is accepted, the power-off process of 0SB is performed, then the power-off process of 0SA is performed, and the system is terminated.
- both the power-on request and the power-off request are accepted, and if any of these requests is issued, requests from other than the currently running operating system will be executed in the same manner as described above.
- the processing may be executed after the system processing is completed.
- FIGS. 18 and 19 are state transition diagrams in the virtual machine system according to the ninth embodiment of the present invention. Refer to FIG. 15 for the mechanical configuration of the virtual machine system according to the ninth embodiment.
- the virtual machine system reduces power consumption by managing and controlling a power saving mode switching request of the CPU to the hardware editor.
- each operating system has power saving mode information.
- a power saving mode for changing the CPU power saving mode instead of a power on / off switching request is provided. Receive a switching request. Otherwise, the configuration is the same as that of the eighth embodiment, and a description thereof will not be repeated.
- FIG. 15 In a virtual machine system that manages multiple operating systems 25 and multiple hardware devices 26, if a power saving mode switching request is issued from an operating system other than task A 0 SB while SA is running, multiple The 0S identifier 20 that manages the execution state of the operating system and the device identifier 24 that manages the execution state of multiple devices
- the storage unit 22 stores and manages which operating system is executing in which power saving mode. 0
- the power saving mode switching request from the SB is received by the reception unit 21, and the content stored in the reception unit 21 and the content stored in the storage unit 22 are compared and examined. If the power saving mode switching request is a request from the OSB, processing is performed so that the power saving mode switching request is not executed.
- the 0 SB power saving mode switching request is It is not executed for one door device, and when 0 SA processing is completed, switching to 0 SB and change to 0 SB power saving mode m4 are performed.
- the virtual machine system switches to the OSB and sets the power saving mode of the CPU based on the power saving mode information of the OSB. It is also possible to change the settings.
- FIG. 20 and FIG. 21 are state transition diagrams in the virtual machine system according to the tenth embodiment of the present invention. Refer to FIG. 15 for the functional configuration of the virtual machine system used in the tenth embodiment.
- the virtual machine system according to the tenth embodiment is a power-saving mode of the virtual machine system itself.
- the storage unit 22 in the configuration of the ninth embodiment stores the execution state of each hardware device and each operating system, and which operating system is running in which power saving mode. In addition to management, it stores and manages the power saving mode information of the virtual computer system itself.
- the other components are the same as in the ninth embodiment and will not be described.
- the storage device 22 stores and manages the power saving mode information of the virtual machine system itself in addition to which operating system is running in which power saving mode by using the device identifier 24 for managing the state.
- the current power saving mode switching request If the request is from the 0 SB, processing is performed so that the power saving mode switching request is not executed.
- the mode is switched to 0 SB and the power saving mode of 0 SB is set, and during the execution of 0 SB, the power saving mode information of the virtual machine system itself and the saving of 0 SB are performed.
- the power mode information is compared and determined, and based on the result, the setting can be changed to the power saving mode of the CPU.
- a request to change the OSB to the power saving mode m4 is not executed for the hard- Is switched to 0 SB at the end of the process, and at the same time, to the power saving mode m 4 of 0 SB.
- the power saving mode can be freely switched based on the result of comparing and determining the power saving mode M2 of the virtual machine system itself and the power saving mode m4 of 0SB.
- the virtual storage device when executing the OSA described above, switches the contents of the power saving mode information from the OSB stored in the reception unit 21 and the contents of the virtual computer system itself when the 0 SB is switched. Compare the power saving mode information with It is also possible to freely select the power saving mode.
- the running operating system is issued.
- the power saving mode of the operating system and the power saving mode of the virtual computer system are compared, and the power saving mode can be switched based on the result.
- FIG. 22 and FIG. 23 are state transition diagrams in the virtual machine system according to the first embodiment of the present invention.
- FIG. 15 shows the functional configuration of the virtual computer system used in the first embodiment.
- the virtual machine system according to the eleventh embodiment reduces power consumption by managing and controlling a clock cycle switching request to each of the virtual devices of each operating system.
- This virtual machine system receives a clock cycle switching request for changing a clock cycle instead of a power on / off switching request in the configuration of the eighth embodiment. Otherwise, the configuration is the same as that of the eighth embodiment, and a description thereof will not be repeated.
- the clock cycle switching operation in the eleventh embodiment will be described with reference to FIGS.
- a virtual machine system that manages a plurality of operating systems 25 and a plurality of hardware devices 26
- an operating system other than Sunset A issues a click cycle switching request while OSA is running, Which operating system is executing in which clock cycle by the 0S identifier 20 that manages the execution state of the operating system of the device and the device identifier 24 that manages the execution state of a plurality of hardware devices Is stored in the storage unit 22, and the reception unit 21 receives and stores the clock cycle switching request from the OSB.
- the control unit 23 compares the content stored in the reception unit 21 with the content stored in the storage unit 22 and, as a result of the comparison, finds that the current request is a request from 0SB.
- the virtual storage device of the first embodiment completes the OSA processing, switches to the 0 SB, sets the clock cycle of the 0 SB, and then changes the clock cycle during the execution of the 0 SB. It is possible to change.
- the switching request to the clock cycle f 4 of 0 SB is not executed for the hardware device, and the processing of 0 SA is not performed.
- the switching to the 0 SB and the change of the clock cycle f 4 of the 0 SB are performed, and then the switching to the clock cycle f 3 is performed while the 0 SB is being executed.
- FIGS. 24 and 25 are state transition diagrams in the virtual machine system according to the 12th embodiment. Refer to FIG. 15 for the functional configuration of the virtual machine system used in the 12th embodiment.
- the storage unit 22 stores the operating state of each operating system and each hardware device, and the operating system that executes In addition to storing and managing whether or not it is being executed periodically, it also stores and manages the desktop computer's own cycle period information.
- the other components are the same as in the eleventh embodiment, and will not be described.
- a clock cycle switching operation in the 12th embodiment will be described with reference to FIGS.
- a virtual machine system that manages a plurality of operating systems 25 and a plurality of hardware devices 26, when a clock cycle switching request is issued from an operating system other than 0 SA during execution of 0 SA, multiple The OS identifier 20 that manages the execution status of the operating system of each device, and the device identifier 24 that manages the execution status of multiple devices, determine which operating system is running at which clock cycle, and The clock period information of the system itself is managed in the storage unit 22, and the control unit 23 compares the contents of the clock cycle switching request from the OSB stored in the reception unit 21 with the contents stored in the storage unit 22.
- this request is a request from operating system B, Is processed so as not to be executed. Then, the processing of 0 SA is completed, and after switching to 0 SB and setting the clock cycle of 0 SB, the clock cycle information of the virtual machine system itself is obtained. Then, the clock cycle of 0 SB is compared and determined, and based on the result, the clock cycle can be changed during execution of the OSB.
- the virtual storage device of the first embodiment when the above-described processing of 0 SA is completed and switching to 0 SB, sets the clock cycle f 4 of the OSB and the clock cycle F 3 of the virtual machine system itself.
- the clock cycle to be executed thereafter can be freely selected based on the comparison result.
- a request to change the OSB to clock cycle f4 is not made to the hardware device, and the processing of 0 SA ends.
- the clock cycle of 0 SB: f 4 is compared with the clock cycle F 3 of the virtual computer system itself, and the clock cycle to be executed thereafter can be freely selected.
- a priority is given between the clock cycle of the virtual computer system itself and the clock cycle of the operating system, or the clock cycle is preferentially switched to a clock cycle that is longer and consumes less power.
- FIG. 26 is a block diagram showing a functional configuration of a virtual computer system having a priority comparison unit according to the present embodiment.
- This virtual machine system is a virtual machine system that manages a plurality of operating systems 35 and a plurality of hardware devices 36.
- an OS identifier 30 that manages an execution state of each operating system is provided.
- a reception unit 31 for receiving and storing a power saving mode switching request from the operating system; a storage unit 32 for storing and managing a power saving mode switching request to each hard-air device for each operating system;
- a priority comparing unit 38 comparing the priority between the power saving mode in the power saving mode information stored in the storage unit 32 and the power saving mode switching request stored in the receiving unit 31.
- a control unit 33 for comparing and controlling the contents stored in the storage unit 32, and a device identifier for managing the execution state of each hard-air device 36.
- a virtual computer device 37 having a bespoke 34 is provided. This virtual computer system is the same as the virtual computer system of FIG. 15 except that a priority comparison unit is provided.
- FIG. 27 is a state transition diagram in the virtual machine system according to the thirteenth embodiment of the present invention. See FIG. 26 for the functional configuration of the virtual machine system used in the thirteenth embodiment.
- the virtual machine system has a priority comparison unit that compares the priority of the operating system being executed with the operating system that has issued the power saving mode switching request. Reduces power consumption by managing and controlling power saving mode switching requests for each operating system Is what you do.
- the storage device 32 manages which operating system is executing in which power saving mode by using the device identifier 34 to be operated, and the power receiving mode switching request from the SB is received by the receiving unit.
- the contents stored in the reception unit 31 and the contents stored in the storage unit 32 are compared and examined, and as a result of comparison, if the current request is a request from the OSB, the power saving mode switching is performed.
- the request is not executed, and after the OSA processing is completed, when the switching processing to 0 SB is executed, the priority of 0 SA and OSB is compared and determined, and based on the priority comparison result, the switching to 0 SB is performed. It is possible to determine the power saving mode to be changed at the time of switching.
- the mode is switched to the power saving mode m4 owned by 0SB (not shown).
- the virtual machine system is configured as follows: After the SA processing is completed, switching to the 0 SB and setting the power saving mode of the 0 SB, the OSB Can be changed. Or, after OSA processing is completed, ⁇ After switching to SB and setting the power saving mode of 0 SB, during execution of 0 SB, ⁇ Compare the operating system priority between SA and 0 SB, It is also possible to determine the power saving mode by comparing the priorities. In addition, not only the execution priority of the operating system but also the priority of the power saving mode may be set, and the power saving mode may be determined based on the comparison result of the priority.
- the priority comparison section makes a comparison determination, and the power saving mode to be changed can be determined based on the priority comparison result.
- FIG. 28 is a state transition diagram in the virtual machine system according to the fourteenth embodiment of the present invention. Refer to FIG. 26 for the functional configuration of the virtual machine system used in the 14th embodiment.
- the virtual machine system of the fourteenth embodiment reduces power consumption by managing and controlling the clock cycle switching request of each operating system to each hardware device.
- this operating system receives a clock cycle switching request for changing the clock cycle instead of the power saving mode switching request of the CPU. Otherwise, the configuration is the same as that of the components of the thirteenth embodiment, and a description thereof will not be repeated.
- the device identifier 34 that manages the execution state of 6 manages which operating system is executing at which clock cycle in the storage unit 32, and the clock cycle from 0 SB
- the switching request is received by the receiving unit 31, and the content stored in the receiving unit 31 is compared with the content stored in the storage unit 32, and as a result of the comparison, the current request is a request from the OSB.
- the clock cycle switching request is not executed, and after the OSA processing is completed, when the switching processing to 0SB is executed, the priority of 038 and 038 is compared and determined. Based on the comparison result, it is possible to determine the clock cycle to be changed when switching to 0SB.
- the virtual machine system according to the 14th embodiment is configured such that after the processing of 0 SA is completed, the switching to 0 SB and the setting of the clock cycle of 0 SB are performed, and during the execution of the operating system, It is possible to change the clock cycle.
- the processing of operating system A is completed, switch to operating system B and set the clock cycle of 0 SB, and compare and determine the priority of OSA and OSB during execution of 0 SB. It is also possible to change the clock cycle setting based on the result of the degree comparison.
- not only the execution priority of the operating system but also the priority of the clock cycle may be set, and the clock cycle may be determined based on the result of the comparison of the priority.
- the operating system manages and controls the execution information of each hardware device for each task, and performs power on / off control, CPU power saving mode control, clock switching control, etc.
- requests related to power consumption such as power on / off switching requests, prevent immediate execution and direct control of hardware devices, and appropriately manage execution of various requests can do.
- current consumption can be suppressed.
- the execution information of each hardware device is managed and controlled for each operation system, and power on / off control, CPU power saving mode control, clock switching control, etc. are performed. In addition, current consumption can be suppressed.
- a request for a hard-air device such as power on / off is managed. Power consumption can be reduced.
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Description
Claims
Priority Applications (1)
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JP11215577A JP2001043098A (ja) | 1999-07-29 | 1999-07-29 | オペレーティングシステムおよび仮想計算機システム |
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CN100349097C (zh) * | 2004-02-25 | 2007-11-14 | 英特维数位科技股份有限公司 | 计算机系统的电源管理架构及方法 |
CN100346305C (zh) * | 2006-01-06 | 2007-10-31 | 浙江大学 | 编译器和操作系统内核协同的节能方法 |
JP4847272B2 (ja) * | 2006-10-18 | 2011-12-28 | 株式会社日立製作所 | 論理区画ごとに電源を管理する計算機システム、ストレージ装置及びそれらの制御方法 |
WO2008149412A1 (ja) * | 2007-06-04 | 2008-12-11 | Fujitsu Limited | 情報処理装置、情報処理装置の制御方法及びコンピュータプログラム |
EP2169549A4 (en) * | 2007-07-05 | 2012-08-29 | Panasonic Corp | DATA PROCESSING DEVICE, DATA PROCESSING METHOD, DATA PROCESSING PROGRAM, RECORDING MEDIA AND INTEGRATED CIRCUIT |
US7844845B2 (en) * | 2007-12-04 | 2010-11-30 | Lenovo (Singapore) Pte. Ltd. | System and method for preventing user O.S. in VMM system from deenergizing device being used by service O.S. |
JP5359401B2 (ja) | 2009-03-11 | 2013-12-04 | 富士通株式会社 | プログラム、コンピュータ及び制御方法 |
CN102023887B (zh) * | 2009-09-21 | 2015-01-28 | 联想(北京)有限公司 | 一种计算机系统的电源管理方法及计算机系统 |
JP2012018515A (ja) * | 2010-07-07 | 2012-01-26 | Fujitsu Ltd | 情報処理装置,制御方法,制御プログラム |
JP4886889B1 (ja) * | 2010-09-09 | 2012-02-29 | 株式会社東芝 | 情報処理装置およびデバイス制御方法 |
CN102822800B (zh) * | 2011-02-04 | 2017-02-22 | 松下电器(美国)知识产权公司 | 虚拟计算机系统、器件共享控制方法 |
JP5970461B2 (ja) * | 2011-09-07 | 2016-08-17 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 仮想計算機制御装置、仮想計算機制御方法、仮想計算機制御プログラム、及び集積回路 |
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JP2001043098A (ja) | 2001-02-16 |
EP1134656A1 (en) | 2001-09-19 |
CN1321273A (zh) | 2001-11-07 |
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