CN106293905B - Resource regulating method and device based on multi-core processor - Google Patents
Resource regulating method and device based on multi-core processor Download PDFInfo
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- CN106293905B CN106293905B CN201510313646.XA CN201510313646A CN106293905B CN 106293905 B CN106293905 B CN 106293905B CN 201510313646 A CN201510313646 A CN 201510313646A CN 106293905 B CN106293905 B CN 106293905B
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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
Abstract
The present invention is suitable for field of communication technology, provide a kind of resource regulating method and device based on multi-core processor, applied in the communication terminal including system and at least two regions, the method includes the steps have: the CPU use demand for the current region that real-time detection is currently running；According to the CPU use demand of the current region, the processor cores of number of matches are dispatched for the current region.Whereby, the present invention can monitor the CPU behaviour in service of current region in real time, and according to the occupancy quantity of the free dispatch processor kernel of the CPU behaviour in service of current region, to realize intelligent scheduling and control to the use of the cpu resource different zones, the service efficiency of cpu resource is improved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of resource regulating methods and dress based on multi-core processor
It sets.
Background technique
As wired, wireless network is in the increasingly deep of embedded system, the safety of Embedded Application becomes system function
It can most important requirement.In the Embedded Applications such as data service and payment application, safety is even more consumer protection and business
The Compulsory Feature of value content protection.The prior art is in CPU (Central Processing Unit, central processing unit)
Integrated system safety extends in the design of core, is one of the important extended attribute under TrustZone-ARMv6 core architecture,
Under the premise of not generating big influence to the power consumption, performance and silicon area of kernel, TrustZone technology is that there is height to pacify for design
The embedded system of full property provides solid foundation.Under a system with eight core CPU, normal areas and safety zone
Respectively occupy the processor cores of half.The defect of prior art specifically includes that
One, the wasting of resources: when user switches to safety zone by normal areas, normal areas will use less processing
Device resource, but occupying half processor cores leads to the waste in resource use, vice versa.
Two, the method for salary distribution is not flexible: when normal areas or safety zone excessive use processor resource, processor cores
Fixed allocation limit processor cores intelligent optimization use, cause service efficiency to reduce.
Three, be inconvenient to monitor with management: cannot unify to be collected CPU using data, arrange.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Summary of the invention
For above-mentioned defect, the purpose of the present invention is to provide a kind of resource regulating method based on multi-core processor and
Device can realize intelligent scheduling and control to the use of the cpu resource different zones, to improve cpu resource
Service efficiency.
To achieve the goals above, the present invention provides a kind of resource regulating method based on multi-core processor, is applied to packet
In the communication terminal for including system and at least two regions, the method includes the steps have:
The CPU use demand for the current region that real-time detection is currently running；
According to the CPU use demand of the current region, the processor of number of matches is dispatched for the current region
Kernel.
The CPU of resource regulating method according to the present invention, the current region that the real-time detection is currently running is used
Include: before the step of demand
When operating in first area, a parent process is initialized, and derive multiple subprocess for the parent process, often
A subprocess manages the processor cores；
The step of CPU use demand for the current region that the real-time detection is currently running includes:
First CPU use demand of first area described in real-time detection；
The CPU use demand according to current region dispatches the processor of number of matches for the current region
The step of kernel includes:
According to the first CPU use demand, the subprocess of number of matches is dispatched from the parent process to described
First area.
The CPU of resource regulating method according to the present invention, the current region that the real-time detection is currently running is used
The step of demand includes:
When being switched to second area from the first area, the 2nd CPU of second area described in real-time detection is used and is needed
It asks；
The CPU use demand according to current region dispatches the processor of number of matches for the current region
The step of kernel includes:
According to the 2nd CPU use demand, the subprocess of number of matches is dispatched from the parent process to described
Second area.
Resource regulating method according to the present invention, the CPU use demand according to current region, is described
Current region dispatches the step of processor cores of number of matches further include:
Terminate at least one described subprocess that the first area has been called.
Resource regulating method according to the present invention, the system are TrustZone system, and the region includes mutual
The safety zone of isolation and normal areas.
The present invention also provides a kind of resource scheduling device based on multi-core processor, it is applied to include system and at least two
In the communication terminal in region, the resource scheduling device includes:
CPU detection module, the CPU use demand for the current region that real-time detection is currently running；
CPU scheduler module is dispatched for the CPU use demand according to the current region for the current region
The processor cores of number of matches.
Resource scheduling device according to the present invention, further includes:
Initialization module is derived from for when operating in first area, initializing a parent process, and for the parent process
Multiple subprocess out, each subprocess manage the processor cores；
The CPU detection module includes:
First detection sub-module, the first CPU use demand for first area described in real-time detection；
The CPU scheduler module includes:
First scheduling submodule, for dispatching number of matches from the parent process according to the first CPU use demand
The subprocess give the first area.
Resource scheduling device according to the present invention, the CPU detection module include:
Second detection sub-module, for when being switched to second area from the first area, second described in real-time detection
The 2nd CPU use demand in region；
The CPU scheduler module includes:
Second scheduling submodule, for dispatching number of matches from the parent process according to the 2nd CPU use demand
The subprocess give the second area.
Resource scheduling device according to the present invention, the CPU scheduler module further include:
Submodule is terminated, for terminating at least one described subprocess that the first area has been called.
Resource scheduling device according to the present invention, the system are TrustZone system, and the region includes mutual
The safety zone of isolation and normal areas.
Scheduling of resource technology of the present invention offer based on multi-core processor, the CPU use demand of real-time detection current region,
And the processor cores of number of matches are dispatched for current region according to the CPU use demand.Whereby, the present invention can supervise in real time
The CPU behaviour in service of current region is controlled, and according to the occupancy number of the free dispatch processor kernel of the CPU behaviour in service of current region
Amount improves the service efficiency of cpu resource to realize intelligent scheduling and control to the use of the cpu resource different zones.
Present invention is particularly suitable for the communication terminals with TrustZone system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the resource scheduling device the present invention is based on multi-core processor；
Fig. 2 is the structural schematic diagram for the resource scheduling device that the present invention is preferably based on multi-core processor；
Fig. 3 is the flow chart of the resource regulating method the present invention is based on multi-core processor；
Fig. 4 is the flow chart of the resource regulating method in first embodiment of the invention based on multi-core processor；
Fig. 5 is the flow chart of the resource regulating method in second embodiment of the invention based on multi-core processor；
Fig. 6 is the schematic diagram of the resource regulating method in third embodiment of the invention based on multi-core processor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structural schematic diagram of the resource scheduling device the present invention is based on multi-core processor, be applied to include system and
In the communication terminal at least two regions, the communication terminal include mobile phone, PDA (Personal Digital Assistant,
Personal digital assistant), tablet computer etc..Preferably, the system be TrustZone system, the region include mutually every
From safety zone and normal areas.The resource scheduling device 100, which includes at least, CPU detection module 10 and CPU scheduling mould
Block 20, in which:
CPU detection module 10, the CPU use demand for the current region that real-time detection is currently running.The CPU is used
Demand is preferably the quantity for the processor cores that current region guarantees needed for operating normally, wherein the multi-core processor can wrap
Include 2,4,8 etc. any processor cores.Preferably, the current region can be safety zone or normal areas.
CPU scheduler module 20 dispatches number of matches for the CPU use demand according to current region for current region
Processor cores, to guarantee that current region being capable of normal and efficient operation.
In a specific embodiment of the invention, it is assumed that application program has the ordinary pages of non-verification, then is placed in general area
Domain；If the interface for password input that need to be verified, safety zone is placed on to guarantee cryptosecurity.And when user enters from ordinary pages
When the Password Input page, system will switch to safety zone from normal areas.If user enters one when running an application program
A ordinary pages, and the ordinary pages are placed in normal areas.At this point, the CPU for the normal areas that real-time detection is currently running makes
With demand, and according to the CPU use demand of normal areas, the processor cores of number of matches are dispatched for normal areas, such as general
Logical region operates normally ordinary pages and needs 6 processor cores, then distributes 6 processor cores to normal areas.Alternatively, if
User enters an interface for password input when running an application program, and the interface for password input is placed in safety zone.This
When, the CPU use demand for the safety zone that real-time detection is currently running, and according to the CPU use demand of safety zone, for safety
The processor cores of subdispatch number of matches, such as safety zone operate normally interface for password input and need in 5 processors
Core then distributes 5 processor cores to normal areas.
The present invention can realize intelligent scheduling and control to the use of interregional processor cores, specifically include: a little
One middleware-resource scheduling device 100 is added among normal areas and safety zone, the CPU for real-time monitoring the current field makes
With situation, and according to CPU behaviour in service spread or reduce occupancy to CPU.The reasonable utilization of cpu resource；It is not required to every
One processor cores are monitored, and need to only give the publication instruction of resource scheduling device 100, the unified detection of resource scheduling device 100 and
Cpu usage is recorded, and Automatic dispatching resource can be reported directly once going wrong.
Fig. 2 is the structural schematic diagram for the resource scheduling device that the present invention is preferably based on multi-core processor, applied to including being
In system and the communication terminal at least two regions, the communication terminal includes mobile phone, PDA, tablet computer etc., it is preferred that institute
Stating system is TrustZone system, and the region includes mutually isolated safety zone and normal areas.The scheduling of resource dress
Setting 100 includes CPU detection module 10, CPU scheduler module 20 and/or initialization module 30, in which:
Initialization module 30 for when operating in first area, initializing a parent process, and derives for parent process
Multiple subprocess, each subprocess manage a processor cores.The first area is preferably normal areas or safety zone.
For example, if user enters an ordinary pages when running an application program, and the ordinary pages are placed in normal areas, at this time
Run normal areas.
The CPU detection module 10 includes:
First detection sub-module 11, the first CPU use demand for real-time detection first area.
For example, normal areas, which operates normally ordinary pages, needs 6 processor cores, then the first CPU use demand is 6
Processor cores.
CPU scheduler module 20 includes: then to distribute 6 processor cores to normal areas
First scheduling submodule 21, for according to the first CPU use demand, dispatched from parent process the son of number of matches into
Journey is to first area.
For example, the first CPU use demand is 6 processor cores, then 6 subprocess are dispatched from parent process to the firstth area
Domain, first area can occupy 6 processor cores at this time.
Preferably, the CPU detection module 10 includes:
Second detection sub-module 12, for when being switched to second area from first area, real-time detection second area
2nd CPU use demand.The second area is preferably safety zone or normal areas.For example, when user from ordinary pages into
When entering the Password Input page, system will switch to safety zone from normal areas, and safety zone operates normally the Password Input page
5 processor cores are needed, then the 2nd CPU use demand is 5 processor cores.
The CPU scheduler module 20 includes:
Second scheduling submodule 22, for according to the 2nd CPU use demand, dispatched from parent process the son of number of matches into
Journey is to second area.
For example, the 2nd CPU use demand is 5 processor cores, then 5 subprocess are dispatched from parent process to the firstth area
Domain, first area can occupy 5 processor cores at this time.
It is preferred that CPU scheduler module 20 further include:
Submodule 23 is terminated, for terminating at least one subprocess called first area.
Since first area is not reruned, the demand of CPU is reduced, then terminates at least one son in first area
Process reduces the expense to CPU, achievees the purpose that freely to dispatch and save resource.
Fig. 3 is the flow chart of the resource regulating method the present invention is based on multi-core processor, and the method passes through such as Fig. 1 or figure
Resource scheduling device 100 shown in 2 realizes, applied to include system and at least two regions communication terminal in, the method
Including the following steps:
Step S301, the CPU use demand for the current region that real-time detection is currently running.
The CPU use demand is preferably the quantity for the processor cores that current region guarantees needed for operating normally, wherein
The multi-core processor may include 2,4,8 etc. any processor cores.Preferably, the current region can be safety
Region or normal areas.
Step S302, according to the CPU use demand of current region, in the processor that number of matches is dispatched for current region
Core.
Preferably, the system is TrustZone system, and the region includes mutually isolated safety zone and common
Region.In a specific embodiment of the invention, it is assumed that application program has the ordinary pages of non-verification, then is placed in normal areas；
If the interface for password input that need to be verified, safety zone is placed on to guarantee cryptosecurity.And when user from ordinary pages enter it is close
When code input page, system will switch to safety zone from normal areas.If user enters one when running an application program
Ordinary pages, and the ordinary pages are placed in normal areas.At this point, the CPU for the normal areas that real-time detection is currently running is used
Demand, and according to the CPU use demand of normal areas, the processor cores of number of matches are dispatched for normal areas, such as commonly
Region operates normally ordinary pages and needs 6 processor cores, then distributes 6 processor cores to normal areas.Alternatively, if with
Family enters an interface for password input when running an application program, and the interface for password input is placed in safety zone.At this point,
The CPU use demand for the safety zone that real-time detection is currently running, and according to the CPU use demand of safety zone, it is safety zone
The processor cores of domain scheduling number of matches, such as safety zone operate normally interface for password input and need 5 processor cores,
5 processor cores are then distributed to normal areas.
Fig. 4 is the flow chart of the resource regulating method in first embodiment of the invention based on multi-core processor, the method
Realized by resource scheduling device 100 as shown in Figure 2, applied to include system and at least two regions communication terminal in,
The method includes the steps have:
Step S401 initializes a parent process when operating in first area, and for parent process derive multiple sons into
Journey, each subprocess manage a processor cores.
The first area is preferably normal areas or safety zone.For example, if user run an application program when into
Enter an ordinary pages, and the ordinary pages are placed in normal areas, run normal areas at this time.
Step S402, the first CPU use demand of real-time detection first area.
For example, normal areas, which operates normally ordinary pages, needs 6 processor cores, then the first CPU use demand is 6
Processor cores.
Step S403 dispatches the subprocess of number of matches to the firstth area according to the first CPU use demand from parent process
Domain.
For example, the first CPU use demand is 6 processor cores, then 6 subprocess are dispatched from parent process to the firstth area
Domain, first area can occupy 6 processor cores at this time.
Fig. 5 is the flow chart of the resource regulating method in second embodiment of the invention based on multi-core processor, the method
Realized by resource scheduling device 100 as shown in Figure 2, applied to include system and at least two regions communication terminal in,
The method includes the steps have:
Step S501 initializes a parent process when operating in first area, and for parent process derive multiple sons into
Journey, each subprocess manage a processor cores.
The first area is preferably normal areas or safety zone.For example, if user run an application program when into
Enter an ordinary pages, and the ordinary pages are placed in normal areas, run normal areas at this time.
Step S502, the first CPU use demand of real-time detection first area.
For example, normal areas, which operates normally ordinary pages, needs 6 processor cores, then the first CPU use demand is 6
Processor cores.
Step S503 dispatches the subprocess of number of matches to the firstth area according to the first CPU use demand from parent process
Domain.
For example, the first CPU use demand is 6 processor cores, then 6 subprocess are dispatched from parent process to the firstth area
Domain, first area can occupy 6 processor cores at this time.
Step S504, when being switched to second area from first area, the 2nd CPU of real-time detection second area is used and is needed
It asks.
The second area is preferably safety zone or normal areas.For example, when from ordinary pages to enter password defeated by user
When entering the page, system will switch to safety zone from normal areas, and safety zone operates normally the Password Input page and needs at 5
Device kernel is managed, then the 2nd CPU use demand is 5 processor cores.
Step S505 dispatches the subprocess of number of matches to the secondth area according to the 2nd CPU use demand from parent process
Domain.
For example, the 2nd CPU use demand is 5 processor cores, then 5 subprocess are dispatched from parent process to the firstth area
Domain, first area can occupy 5 processor cores at this time.
Step S506 terminates at least one subprocess that first area has been called.
Since first area is not reruned, the demand of CPU is reduced, then terminates at least one son in first area
Process reduces the expense to CPU, achievees the purpose that freely to dispatch and save resource.
Fig. 6 is the schematic diagram of the resource regulating method in third embodiment of the invention based on multi-core processor, is applied to tool
There is the communication terminal of multi-core processor, which has TrustZone system, normal areas, safety zone and resource tune
Device 100 is spent, the TrustZone system is separately connected normal areas, safety zone and resource scheduling device 100.
Assuming that APP (Application, application program) there are the ordinary pages of non-verification, then normal areas is placed in；If needing
The interface for password input of verification is placed on safety zone then to guarantee cryptosecurity.When user enters Password Input from ordinary pages
When the page, system will switch to safety zone from normal areas.
1, user runs an APP, into an ordinary pages, if it is notified that TrustZone system loads this commonly
The page needs more processor cores.
2, TrustZone system calls resource scheduling device 100, initializes a parent process, and derive subprocess, often
A subprocess will call a processor cores, call an appropriate number of processor cores according to page need.
3, resource scheduling device 100 is monitored the behaviour in service of the CPU of normal areas, with user's browsing pages
Service condition, the meeting adjust automatically CPU's of resource scheduling device 100 increases or decreases.
4, when APP is when some ordinary pages pops up the dialog box of input password, ordinary pages are hidden in backstage, by
In being related to cryptosecurity, TrustZone system will switch to safety zone from normal areas automatically.
If 5, notice TrustZone system in safety zone loads the cryptographic check page, more processor cores are needed.
6, TrustZone system will call resource scheduling device 100, and new son is derived from from initialized parent process
Process calls new processor cores.If the subprocess of current CPU is all occupied, conventional system need to be first terminated extremely
The new subprocess that idle state is recalled after a few subprocess can call directly the free time if subprocess is not all occupied
The new subprocess of state.
7, since ordinary pages are hidden in backstage, the demand of cpu resource is reduced, resource scheduling device 100 will be whole
Only wherein at least one subprocess reduces the expense to cpu resource, achievees the purpose that freely to dispatch and save resource.
If 8, switching to normal areas by safety zone, resource scheduling device 100, which automatically controls, reduces safety zone use
Processor cores, and increase the processor cores of normal areas.
In conclusion the present invention provides the scheduling of resource technology based on multi-core processor, the CPU of real-time detection current region
Use demand, and be the processor cores that current region dispatches number of matches according to the CPU use demand.Whereby, of the invention
The CPU behaviour in service of current region can be monitored in real time, and according in the free dispatch processor of CPU behaviour in service of current region
The occupancy quantity of core improves cpu resource to realize intelligent scheduling and control to the use of the cpu resource different zones
Service efficiency.Present invention is particularly suitable for the communication terminals with TrustZone system.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (8)
1. a kind of resource regulating method based on multi-core processor, which is characterized in that be applied to include system and at least twoth area
In the communication terminal in domain, the method includes the steps have:
The CPU use demand for the current region that real-time detection is currently running；
According to the CPU use demand of the current region, the processor cores of number of matches are dispatched for the current region；
The system is TrustZone system, and the region includes mutually isolated safety zone and normal areas.
2. resource regulating method according to claim 1, which is characterized in that the real-time detection was currently running works as proparea
Include: before the step of CPU use demand in domain
When operating in first area, a parent process is initialized, and derive multiple subprocess, Mei Gesuo for the parent process
It states subprocess and manages the processor cores；
The step of CPU use demand for the current region that the real-time detection is currently running includes:
First CPU use demand of first area described in real-time detection；
The CPU use demand according to current region dispatches the processor cores of number of matches for the current region
The step of include:
According to the first CPU use demand, the subprocess of number of matches is dispatched from the parent process to described first
Region.
3. resource regulating method according to claim 2, which is characterized in that the real-time detection was currently running works as proparea
The step of CPU use demand in domain further include:
When being switched to second area from the first area, the 2nd CPU use demand of second area described in real-time detection；
The CPU use demand according to current region dispatches the processor cores of number of matches for the current region
The step of further include:
According to the 2nd CPU use demand, the subprocess of number of matches is dispatched from the parent process to described second
Region.
4. resource regulating method according to claim 3, which is characterized in that described to be made according to the CPU of current region
With demand, the step of dispatching the processor cores of number of matches for the current region further include:
Terminate at least one described subprocess that the first area has been called.
5. a kind of resource scheduling device based on multi-core processor, which is characterized in that be applied to include system and at least twoth area
In the communication terminal in domain, the resource scheduling device includes:
CPU detection module, the CPU use demand for the current region that real-time detection is currently running；
CPU scheduler module, for the CPU use demand according to the current region, for current region scheduling matching
The processor cores of quantity；
The system is TrustZone system, and the region includes mutually isolated safety zone and normal areas.
6. resource scheduling device according to claim 5, which is characterized in that further include:
Initialization module for when operating in first area, initializing a parent process, and derives for the parent process more
A subprocess, each subprocess manage the processor cores；
The CPU detection module includes:
First detection sub-module, the first CPU use demand for first area described in real-time detection；
The CPU scheduler module includes:
First scheduling submodule, for dispatching the institute of number of matches from the parent process according to the first CPU use demand
Subprocess is stated to the first area.
7. resource scheduling device according to claim 6, which is characterized in that the CPU detection module includes:
Second detection sub-module, for when being switched to second area from the first area, second area described in real-time detection
The 2nd CPU use demand；
The CPU scheduler module includes:
Second scheduling submodule, for dispatching the institute of number of matches from the parent process according to the 2nd CPU use demand
Subprocess is stated to the second area.
8. resource scheduling device according to claim 7, which is characterized in that the CPU scheduler module further include:
Submodule is terminated, for terminating at least one described subprocess that the first area has been called.
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| CN201510313646.XA CN106293905B (en) | 2015-06-09 | 2015-06-09 | Resource regulating method and device based on multi-core processor |
| PCT/CN2015/085854 WO2016197441A1 (en) | 2015-06-09 | 2015-07-31 | Resource scheduling method and device based on multi-core processor |
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| CN201510313646.XA CN106293905B (en) | 2015-06-09 | 2015-06-09 | Resource regulating method and device based on multi-core processor |
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| CN102831015A (en) * | 2012-08-01 | 2012-12-19 | 华为技术有限公司 | Method and equipment for scheduling multi-core processor |
| CN103220300A (en) * | 2012-12-05 | 2013-07-24 | 清华大学 | Mobile terminal system supporting dynamic remote attestation |
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| US8730790B2 (en) * | 2010-11-19 | 2014-05-20 | Alcatel Lucent | Method and system for cell recovery in telecommunication networks |
| CN102722388A (en) * | 2012-05-30 | 2012-10-10 | 曙光信息产业(北京)有限公司 | System and method for realizing binding of graphical interface and CPU (central processing unit) |
| CN103729248B (en) * | 2012-10-16 | 2017-12-15 | 华为技术有限公司 | A kind of method and apparatus of determination based on cache perception task to be migrated |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831015A (en) * | 2012-08-01 | 2012-12-19 | 华为技术有限公司 | Method and equipment for scheduling multi-core processor |
| CN103220300A (en) * | 2012-12-05 | 2013-07-24 | 清华大学 | Mobile terminal system supporting dynamic remote attestation |
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| WO2016197441A1 (en) | 2016-12-15 |
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