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Information processing device and method of controlling information processing device

An information processing device and a technology for associating information, which are applied in the field of information processing devices and can solve problems such as setting a CPU operating frequency.

Inactive Publication Date: 2016-06-29
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, with the prior art described above, there is a problem that it is difficult to appropriately set the operating frequency of the CPU according to the situation since applications and hardware of a multifunctional information processing device such as a smartphone operate in various states, for example.

Method used

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  • Information processing device and method of controlling information processing device
  • Information processing device and method of controlling information processing device
  • Information processing device and method of controlling information processing device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0070] Configuration of the information processing apparatus according to the first embodiment

[0071] image 3 is a functional block diagram of the information processing apparatus according to the first embodiment. Such as image 3 As shown, the hardware 310 of the information processing apparatus 100 according to the first embodiment includes a CPU 311 and a frequency / voltage control circuit 312 . The configuration of the CPU311 corresponds to figure 2 The CPU201 shown in. The configuration of the frequency / voltage control circuit 312 corresponds to figure 2 Both the clock supply circuit 204 and the voltage supply circuit 205 are shown in .

[0072] The frequency / voltage control circuit 312 controls the operating frequency of the CPU 311 and the voltage supplied to the CPU 311 based on a control command output from the core 320 . For example, the frequency / voltage control circuit 312 reduces the voltage supplied to the CPU 311 while reducing the operating frequency...

no. 2 example

[0145] Operating frequency control according to the second embodiment

[0146] Figure 10 is a functional block diagram of the information processing apparatus according to the second embodiment. denoted by the same reference numerals Figure 10 in and image 3 The parts that are the same as or equivalent to those shown in , and their descriptions are omitted. Such as Figure 10 As shown, the information processing apparatus 100 according to the second embodiment except image 3 In addition to the configuration shown, there is a system load monitoring module 1001 .

[0147] The system load monitoring module 1001 monitors the system load from the system status acquisition interface 324 . For example, the system load is the use of the CPU 311 (for example, the proportion of time the CPU 311 performs processing). Alternatively, the system load may be the number of processes queued for processing by the CPU 311 . If a given change in system load occurs, the system load mon...

no. 3 example

[0186] Figure 18 is a functional block diagram of the information processing apparatus according to the third embodiment. denoted by the same reference numerals Figure 18 in and Figure 10 The same parts as those shown in , and their descriptions are omitted. Such as Figure 18 As shown, the information processing apparatus 100 according to the third embodiment except Figure 10 In addition to the configuration shown in , there is also a list 1801 of inspection targets and a process monitoring module 1802 . Upon detection of the start or stop of the application, the application start / stop monitoring module 342 notifies the process monitoring module 1802 of the application start / stop event.

[0187] The list of inspection targets 1801 is information indicating applications that are being inspected among the list 341 of applications that are monitoring targets. The check target list 1801 is stored, for example, in figure 2 in the secondary storage 203 shown in.

[018...

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PUM

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Abstract

An information processing device and a method of controlling the information processing device are disclosed. The information processing device has: a storage unit configured to store association information in which a control rule for an operating frequency of a central processing unit of the information processing device is related to a first element of the information processing device A state change of the information processing apparatus is associated with a combination of states of a second element different from the first element; a detection unit configured to detect the state change of the first element; determining a unit configured to determine the state of the second element if a state change of the first element has been detected by the detection unit; a search unit configured to search a control rule corresponding to the combination; and a control unit configured to control the operating frequency of the central processing unit.

Description

technical field [0001] The embodiments discussed herein relate to an information processing device, an information processing program, and an information processing method. Background technique [0002] The type of operating system commonly used in embedded systems is a single-tasking system with limited available applications, a characteristic not limited to mobile terminals. A technique using this feature is known in which the operating frequency of the central processing unit (CPU) used by each application program is controlled by a method including obtaining the operating frequency by measurement or the like, and Check during program. Appropriately controlling the operating frequency of the CPU enables securing processing capability and suppressing power consumption (for example, see Japanese Laid-Open Patent Publications 2006-13756, 2004-355599, 2001-202166, and 2001-273057). [0003] However, with an operating system of a smartphone or the like, a user can freely dow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/32
CPCG06F1/3212G06F1/324Y02D10/00
Inventor 野吕正明
Owner FUJITSU LTD