CN102209028A - Flow control device and method for CPU (Central Processing Unit) - Google Patents
Flow control device and method for CPU (Central Processing Unit) Download PDFInfo
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- CN102209028A CN102209028A CN2011101170824A CN201110117082A CN102209028A CN 102209028 A CN102209028 A CN 102209028A CN 2011101170824 A CN2011101170824 A CN 2011101170824A CN 201110117082 A CN201110117082 A CN 201110117082A CN 102209028 A CN102209028 A CN 102209028A
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Abstract
The invention discloses a flow control device and method for a CPU (Central Processing Unit). The device comprises an input interface, a monitoring management module, a flow control module and a forwarding module, wherein the input interface module is used for receiving flow containing multiple data packets; the monitoring management module is used for monitoring the utilization rate of the CPU and determining types of data packets to be forwarded and discarded on the basis of the utilization rate of the CPU; the flow control module is used for judging the type of each data packet in the multiple data packets; and the forwarding module is used for determining the next skip of the rest data packets by checking a routing table. According to the invention, the flow forwarding of the CPU is controlled flexibly, therefore, the CPU is prevented from operating in a high load state for a long term when flow is overhigh or the utilization rate of the CPU is higher, and the processing capacity of the CPU is improved to the greatest extent.
Description
Technical field
The present invention relates to computer communication field, more particularly, relate to a kind of in network system the method for the device of Controlled CPU flow.
Background technology
Along with the appearance of the increasingly extensive of network application and some new network technologies, network traffics control has become a problem demanding prompt solution, people to begin to seek the method that some solve allocated bandwidth and management with Bandwidth Management.
The general TC (Traffic Control) that adopts carries out flow control in the (SuSE) Linux OS, and TC realizes flow control by set up a formation at the output port place.The basic principle of the flow control of Linux as shown in Figure 1.
Fig. 1 is the schematic block diagram that the network traffics control device 10 (for example, network interface card) according to prior art is shown.Network traffics control device 10 according to prior art comprises input interface 11, flow restriction (Ingress Policing) module 12, input demultplexer (input De-Multiplexing) 13, forwarding module 14, output work queue's module 15 and output interface 16.
In the Linux of prior art flow control, generally can only limit the packet that network interface card sends, can not limit the packet that network interface card receives.
In addition, in the prior art, can not control by input interface and enter the flow that system transfers to the CPU processing, can not obtain Based Intelligent Control owing to enter the flow of CPU processing, so it is busy to cause CPU to continue easily.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of can the forwarding and handle the apparatus and method of carrying out elasticity control the flow of CPU.
According to embodiments of the invention, provide a kind of device of Controlled CPU flow.Described device comprises: input interface receives the flow that comprises a plurality of packets; The monitoring management module, the utilance of monitoring CPU, and determine the type of the packet that needs are transmitted and the type of the packet that need abandon based on the utilance of CPU; Flow-control module is judged the type of each packet in described a plurality of packet, and abandons the packet of the type that belongs to the packet that need abandon based on definite result of monitoring management module; Forwarding module is determined next redirect of remaining packet by checking routing table.
In addition, the monitoring management module determine with the type corresponding priorities of each packet and with the utilance corresponding priorities of described CPU, the flow-control module loss priority is lower than the packet with described cpu busy percentage corresponding priorities.
In addition, flow-control module is ranked to remaining packet according to the definite priority of monitoring management module.
In addition, flow-control module is judged the type of each packet according to the mapping relations of QoS.
In addition, monitoring management module is determined the type of the packet that needs abandon according to the size of flow.
A kind of method of Controlled CPU flow is provided according to another embodiment of the present invention.Described method comprises step: receive the flow that comprises a plurality of packets; The utilance of monitoring CPU, and determine the type of the packet that needs are transmitted and the type of the packet that need abandon based on the utilance of CPU; Judge the type of each packet in described a plurality of packet, and based on determining that the result abandons the packet of the type that belongs to the packet that need abandon; Determine next redirect of remaining packet by checking routing table.
In addition, described method also comprises step: determine with the type corresponding priorities of each packet and with the utilance corresponding priorities of described CPU; Loss priority is lower than the packet with described cpu busy percentage corresponding priorities.
In addition, described method also comprises step: according to the priority that the monitoring management module is determined, remaining packet is ranked.
In addition, judge the type of each packet according to the mapping relations of QoS.
In addition, determine the type of the packet that needs abandon according to the size of flow.
According to embodiments of the invention, the flow of CPU transmitted carried out elasticity control, thereby CPU is in heavy-duty service for a long time when having avoided the excessive or cpu busy percentage of flow higher, has improved the disposal ability of CPU to greatest extent.
Description of drawings
Fig. 1 is the block diagram according to the network traffics control device of prior art;
Fig. 2 is the block diagram according to network traffics control device of the present invention;
Fig. 3 is the flow chart according to method for controlling network flow of the present invention.
Embodiment
Now the embodiment of the invention is described in detail, its example shown in the accompanying drawings, wherein, identical label is represented same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
In the network equipment (for example, network interface card, router etc.), the processing of each functional module is all realized by software or hardware mode by CPU.Handle (for example, flow is transmitted) because the network equipment mainly carries out flow, transmitting in the processing so CPU mainly consumes.
Fig. 2 is the block diagram according to network traffics control device 100 of the present invention.Network traffics control device 100 according to the present invention comprises input interface 110, monitoring management module 120, flow-control module 130, forwarding module 140 and output interface 150.
Input interface 110 receives the flow that comprises a plurality of packets and sends this flow to flow-control module 120.
System status parameters such as the disposal ability of 120 pairs of systems of monitoring management module, performance index are monitored, and accept the configuration management on upper strata, and the processing policy of flow-control module is set.
Flow-control module 130 is ranked to packet based on the type of the packet in the flow or the functional module under the packet in the flow, and based on the processing policy that monitoring management module 120 is provided with the packet of queuing is handled.
Forwarding module 140 is by checking next redirect of routing table specified data bag.
Output interface 150 output flows.
Below, describe operation example in detail according to network traffics control device of the present invention.
Monitoring management module 120 determines that according to the utilance of CPU needs are transmitted and the type of the packet that needs abandon, flow-control module 130 abandons the packet of the type that belongs to the packet that needs abandon according to definite result of monitoring management module 120, and the packet that only will belong to the type of the packet that needs transmit sends forwarding module 140 to.
Input interface 110 receives the flow that comprises a plurality of packets.At this, for convenience of explanation, suppose to have comprised in the flow packet (perhaps two types packet) that belongs to two functional modules, described two functional modules are respectively functional module A and functional module B.
The utilance of monitoring management module 120 monitoring CPU, and according to the utilance of CPU or user's the priority that definite functional module is set, for example, functional module A＞functional module B.In addition, monitoring management module 120 is the set handling strategy also, the processing policy that is provided with is: at the cpu busy percentage height (for example, be higher than 80%) situation under, abandon the functional module that belongs to low priority (that is) packet, functional module B, only handle belong to high priority functional module (promptly, functional module A) packet, thus the utilance of CPU reduced; And under the situation of cpu busy percentage low (for example, being lower than 50%), handle the packet (that is, all packets) that belongs to all functions module, thereby improve the utilance of CPU.
In this case, monitoring management module 120 will be monitored in real time to the cpu busy percentage of system, if cpu busy percentage is higher than 80%, then in order to reduce the flow that CPU handles, monitoring management module 120 need to be determined only to transmit the packet that belongs to functional module A, abandons the packet that belongs to functional module B.Flow of receiving in the flow-control module 130 monitoring certain hours and the type of judging the packet that comprises in the flow.The type of the packet that the needs that flow-control module 130 is determined according to the monitoring management module are transmitted abandons the packet that belongs to functional module B, and the packet that only will belong to functional module A sends forwarding module to.
At this, the type that flow-control module 130 can come the specified data bag by QoS (service quality) mapping relations.In addition, flow-control module 130 can come the judgment data bag to belong to which functional module by the flow receiving port number or the message format of functional module.
In addition, flow-control module 130 can be based on the type or the described functional module corresponding priorities of packet packet being ranked.For example, the priority of data packets that belongs to functional module A is higher than the priority of data packets that belongs to functional module B, thereby priority treatment belongs to the packet of functional module A under identical condition.
Like this, the processing pressure of CPU will reduce, and the utilance of CPU also can descend thereupon.When monitoring management module 120 monitors cpu busy percentage when being lower than 50%, in order to increase cpu busy percentage, monitoring management module 120 is determined to need to transmit to belong to the packet of all functions module and be notified to flow-control module 130.The packet that flow-control module 130 will belong to all functions module sends forwarding module 140 to.
In addition, monitoring management module 120 can be provided with the type corresponding priorities with each packet, and the utilance corresponding priorities of definite and CPU.Flow-control module 130 loss prioritys are lower than the packet with the utilance corresponding priorities of CPU.
Like this, carry out dynamic adjustments, realized Based Intelligent Control for the CPU flow by the packet in the flow that CPU is handled.Under the situation that CPU does, transmit the packet of high priority; And under the situation that CPU is not in a hurry, all packets can both obtain transmitting.
In the above-described embodiment, determined the type of the packet that needs abandon according to the utilance of CPU.According to another embodiment of the present invention, also can determine the type of the packet that needs abandon according to flow.For example, when flow is higher than first threshold, need abandon the packet that belongs to functional module B, otherwise, when flow is lower than first threshold, determine to need to transmit all packets.
Fig. 3 is the flow chart according to method for controlling network flow of the present invention.
At step S310, input interface 110 receives the flow that comprises a plurality of packets and sends this flow to flow-control module 120.
At step S320, the utilance of monitoring management module 120 monitoring CPU, and based on the type of the definite packet that need transmit of the utilance of CPU and the type of the packet that need abandon.
At step S330, flow-control module 130 is judged the type of the packet in the flow that receives, and based on the determining of monitoring management module 120, abandons the packet of the type that belongs to the packet that need abandon and send remaining packet to forwarding module 140.
At step S340, forwarding module 140 is determined from next redirect of the packet of flow-control module 130 receptions by checking routing table.
According to embodiments of the invention, the flow of CPU transmitted carried out elasticity control, thereby CPU is in heavy-duty service for a long time when having avoided the excessive or cpu busy percentage of flow higher, has improved the disposal ability of CPU to greatest extent.
Though represented and described some embodiments of the present invention, it should be appreciated by those skilled in the art that under the situation that does not break away from the principle of the present invention that limits its scope by claim and equivalent thereof and spirit, can make amendment to these embodiment.
Claims (10)
1. the device of a Controlled CPU flow is characterized in that, comprising:
Input interface receives the flow that comprises a plurality of packets;
The monitoring management module, the utilance of monitoring CPU, and determine the type of the packet that needs are transmitted and the type of the packet that need abandon based on the utilance of CPU;
Flow-control module is judged the type of each packet in described a plurality of packet, and abandons the packet of the type that belongs to the packet that need abandon based on definite result of monitoring management module;
Forwarding module is determined next redirect of remaining packet by checking routing table.
2. device as claimed in claim 1, wherein, the monitoring management module determine with the type corresponding priorities of each packet and with the utilance corresponding priorities of described CPU;
The flow-control module loss priority is lower than the packet with described cpu busy percentage corresponding priorities.
3. device as claimed in claim 2, wherein, the priority that flow-control module is determined according to the monitoring management module is ranked to remaining packet.
4. device as claimed in claim 1, wherein, flow-control module is judged the type of each packet according to the mapping relations of QoS.
5. as the device under the claim 1, wherein, the monitoring management module is determined the type of the packet that needs abandon according to the size of flow.
6. the method for a Controlled CPU flow is characterized in that, comprises step:
Reception comprises the flow of a plurality of packets;
The utilance of monitoring CPU, and determine the type of the packet that needs are transmitted and the type of the packet that need abandon based on the utilance of CPU;
Judge the type of each packet in described a plurality of packet, and based on determining that the result abandons the packet of the type that belongs to the packet that need abandon;
Determine next redirect of remaining packet by checking routing table.
7. method as claimed in claim 6 also comprises step:
Determine with the type corresponding priorities of each packet and with the utilance corresponding priorities of described CPU;
Loss priority is lower than the packet with described cpu busy percentage corresponding priorities.
8. method as claimed in claim 7 also comprises step: according to the priority that the monitoring management module is determined, remaining packet is ranked.
9. method as claimed in claim 6 wherein, is judged the type of each packet according to the mapping relations of QoS.
10. method as claimed in claim 6 wherein, is determined the type of the packet that needs abandon according to the size of flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101170824A CN102209028A (en) | 2011-05-06 | 2011-05-06 | Flow control device and method for CPU (Central Processing Unit) |
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| CN2011101170824A CN102209028A (en) | 2011-05-06 | 2011-05-06 | Flow control device and method for CPU (Central Processing Unit) |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634130A (en) * | 2012-08-23 | 2014-03-12 | 深圳市共进电子股份有限公司 | Network terminal device self-protection method and system, and network terminal device |
| CN103812750A (en) * | 2014-02-21 | 2014-05-21 | 上海斐讯数据通信技术有限公司 | Message receiving and sending protecting system and method for CPU of data communication equipment |
| CN105159763A (en) * | 2015-08-05 | 2015-12-16 | 瑞斯康达科技发展股份有限公司 | CPU utilization rate control method and apparatus |
| CN105183431A (en) * | 2015-08-05 | 2015-12-23 | 瑞斯康达科技发展股份有限公司 | Method and apparatus for controlling CPU utilization ratio |
| CN108781170A (en) * | 2016-03-03 | 2018-11-09 | 华为技术有限公司 | A kind of configuration device and method |
| CN108989289A (en) * | 2018-06-21 | 2018-12-11 | 北京亚鸿世纪科技发展有限公司 | A kind of method and device ensureing flow collection integrality |
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| CN101373509A (en) * | 2008-10-10 | 2009-02-25 | 华南理工大学 | RFID intermediate part based on distributed ALE |
| CN101505260A (en) * | 2008-02-04 | 2009-08-12 | 华为技术有限公司 | Message flow control method, system and apparatus |
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| CN101137136A (en) * | 2007-02-08 | 2008-03-05 | 中兴通讯股份有限公司 | CPU overloading control device and method |
| CN101505260A (en) * | 2008-02-04 | 2009-08-12 | 华为技术有限公司 | Message flow control method, system and apparatus |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634130A (en) * | 2012-08-23 | 2014-03-12 | 深圳市共进电子股份有限公司 | Network terminal device self-protection method and system, and network terminal device |
| CN103812750A (en) * | 2014-02-21 | 2014-05-21 | 上海斐讯数据通信技术有限公司 | Message receiving and sending protecting system and method for CPU of data communication equipment |
| CN103812750B (en) * | 2014-02-21 | 2020-04-21 | 上海斐讯数据通信技术有限公司 | System and method for protecting data communication equipment CPU receiving and transmitting message |
| CN105159763A (en) * | 2015-08-05 | 2015-12-16 | 瑞斯康达科技发展股份有限公司 | CPU utilization rate control method and apparatus |
| CN105183431A (en) * | 2015-08-05 | 2015-12-23 | 瑞斯康达科技发展股份有限公司 | Method and apparatus for controlling CPU utilization ratio |
| CN105159763B (en) * | 2015-08-05 | 2018-08-07 | 瑞斯康达科技发展股份有限公司 | A kind of cpu busy percentage control method and device |
| CN105183431B (en) * | 2015-08-05 | 2018-09-28 | 瑞斯康达科技发展股份有限公司 | A kind of cpu busy percentage control method and device |
| CN108781170A (en) * | 2016-03-03 | 2018-11-09 | 华为技术有限公司 | A kind of configuration device and method |
| CN108781170B (en) * | 2016-03-03 | 2020-12-08 | 华为技术有限公司 | Configuration device and method |
| CN108989289A (en) * | 2018-06-21 | 2018-12-11 | 北京亚鸿世纪科技发展有限公司 | A kind of method and device ensureing flow collection integrality |
| CN108989289B (en) * | 2018-06-21 | 2020-10-13 | 北京亚鸿世纪科技发展有限公司 | Method and device for guaranteeing integrity of flow collection |
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Application publication date: 20111005 |