CN106095687B - A kind of Linux PCI trawl performances error-detecting method and device - Google Patents
A kind of Linux PCI trawl performances error-detecting method and device Download PDFInfo
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F11/36—Preventing errors by testing or debugging software
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F11/36—Preventing errors by testing or debugging software
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Abstract
The invention discloses a kind of Linux PCI trawl performances error-detecting method and devices, are related to internet information processing technology field.Can at least solve in the prior art, original version PCI trawl performances be caused to malfunction after linux kernel upgrading, need manually to position original PCI trawl performances and the unmatched place of Linux new version kernels, there are time-consuming and laborious, and easily error the problem of.Main technical schemes include：PCI trawl performances to be upgraded are scanned, obtain PCI trawl performances code to be upgraded；According to kernel version difference point data base, the discrepancy of the PCI trawl performances to be upgraded is obtained from the PCI trawl performances code to be upgraded；The discrepancy of the PCI trawl performances to be upgraded is sent to PCI trawl performance developing engines.
Description
Technical field
The present invention relates to internet information processing technology fields, more particularly relate to a kind of Linux PCI trawl performances inspection
Wrong method and device.
Background technology
Linux is a Monolithic Kernel (monolithic kernel) system, and the device driver in Linux can
Easily to be set, and can be directly loaded up or unload during system operation in the form of modularization (modularize).
Linux kernel version persistently upgrades to PCI, and (English is：Peripheral Interface Controller, in
Literary abbreviation：Microcontroller) maintenance of trawl performance brings difficulty, because the variation of kernel version may bring PCI network interface cards every time
Driving and the variation of linux kernel interface, cause the driver under original version to be run under new version kernel and mistake occur.For
The driving energy of original version is made to be worked normally under the kernel of new version, needs to repair mistake, and positions master at this time
The erroneous point of this driving is the work of a time and effort consuming.
At present, for the exploitation error detection of PCI trawl performances mainly around for certain on some specific linux kernel version
The detection of a PCI trawl performances exploitation mistake, is generally completed by log recording or sandbox modes；Rather than for work as
The processing that original version PCI trawl performances is caused to malfunction after linux kernel upgrading.The shortcomings that prior art is：I.Linux kernels are
It constantly updates, once update, needs manually to position original PCI trawl performances and Linux new versions kernel unmatchedly
Side.Such as：Sriov_configure function pointers are increased in 3.10 kernel squadron pci_driver structures, if in former driving not
Containing the function, then new kernel calls sriov_configure will malfunction.And such information also needs to manually go to read
Source code solves.
In conclusion original version PCI trawl performances is caused to malfunction after the existing upgrading for linux kernel, need manually
Original PCI trawl performances and the unmatched place of Linux new version kernels are positioned, there are time-consuming and laborious, and that easily malfunctions asks
Topic.
Invention content
The embodiment of the present invention provides a kind of Linux PCI trawl performances error-detecting method and device, can at least solve existing
In technology, original version PCI trawl performances is caused to malfunction after upgrading for linux kernel, need manually to position original PCI network interface cards
Driving and the unmatched place of Linux new version kernels, there are time-consuming and laborious, and easily error the problem of.
The embodiment of the present invention provides a kind of Linux PCI trawl performance error-detecting methods, the method includes：
PCI trawl performances to be upgraded are scanned, obtain PCI trawl performances code to be upgraded；
According to kernel version difference point data base, obtained from the PCI trawl performances code to be upgraded described to be upgraded
The discrepancy of PCI trawl performances；
The discrepancy of the PCI trawl performances to be upgraded is sent to PCI trawl performance developing engines.
Preferably, the kernel version difference point data base includes one or more of following differences point：
The initialization of PCI trawl performances, network interface card are opened, and packet receiving is given out a contract for a project, exited；
It is described according to kernel version difference point data base, obtained from the PCI trawl performances code to be upgraded described in treat
Upgrade the discrepancy of PCI trawl performances, including：
It is poor to the PCI trawl performances code to be upgraded and the kernel version according to kernel version difference point data base
Dissimilarity database carries out contrasting detection, therefrom obtains the discrepancy of PCI trawl performances to be upgraded.
The embodiment of the present invention also provides a kind of Linux PCI trawl performance Error Detection Units, including：
Acquiring unit for scanning PCI trawl performances to be upgraded, obtains PCI trawl performances code to be upgraded；
Detection unit, for according to kernel version difference point data base, being obtained from the PCI trawl performances code to be upgraded
Take the discrepancy of the PCI trawl performances to be upgraded；
Output unit, for the discrepancy of the PCI trawl performances to be upgraded to be sent to PCI trawl performance developing engines.
Preferably, the kernel version difference point data base includes one or more of following differences point：
The initialization of PCI trawl performances, network interface card are opened, and packet receiving is given out a contract for a project, exited；
The detection unit is specifically used for：
It is poor to the PCI trawl performances code to be upgraded and the kernel version according to kernel version difference point data base
Dissimilarity database carries out contrasting detection, therefrom obtains the discrepancy of PCI trawl performances to be upgraded.
In embodiments of the present invention, a kind of Linux PCI trawl performances error-detecting method and device are provided, including：Scanning is treated
Upgrade PCI trawl performances, obtain PCI trawl performances code to be upgraded；According to kernel version difference point data base, wait to rise from described
The discrepancy of the PCI trawl performances to be upgraded is obtained in grade PCI trawl performance codes；By the PCI trawl performances to be upgraded
Discrepancy be sent to PCI trawl performance developing engines.In the above method, by by trawl performance to be upgraded and difference point data base
It is compared, therefrom obtains the difference point data that trawl performance to be upgraded includes, then sent the difference point data of acquisition
To trawl performance developing engine, solution is existing to be needed manually to position original PCI trawl performances and Linux new versions kernel mismatch
Place, due to this method by comparison obtain discrepancy, while locating speed is improved, reduce error rate.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of Linux PCI trawl performances error-detecting method flow diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of Linux PCI trawl performances Error Detection Unit structure diagram provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of Linux PCI trawl performances error-detecting method flow diagram provided in an embodiment of the present invention.The present invention
Embodiment can be applied in internet, specifically, internet can include terminal and network side, terminal can be mobile phone,
Tablet computer, laptop etc..
As shown in Figure 1, a kind of Linux PCI trawl performances error-detecting method flow diagram provided in an embodiment of the present invention,
This method includes the following steps：
Step 101, PCI trawl performances to be upgraded are scanned, obtain PCI trawl performances code to be upgraded；
Step 102, according to kernel version difference point data base, institute is obtained from the PCI trawl performances code to be upgraded
State the discrepancy of PCI trawl performances to be upgraded；
Step 103, the discrepancy of the PCI trawl performances to be upgraded is sent to PCI trawl performance developing engines.
It should be noted that a kind of Linux PCI trawl performance error-detecting methods that the embodiment of the present invention is provided, need elder generation
Network is connected, then could perform above-mentioned steps.
In a step 101, PCI trawl performances to be upgraded are scanned, PCI trawl performances code to be upgraded is obtained, specifically includes,
PCI trawl performance source code collectors scan Linux server to be upgraded, pass through ftp by pre-configured configuration information
PCI trawl performance codes are downloaded in connection from server.
In practical applications, pre-configured information can be Linux Server IP address, and PCI drives source code mesh
Record.
In a step 102, it according to kernel version difference point data base, is obtained from the PCI trawl performances code to be upgraded
Take the discrepancy of the PCI trawl performances to be upgraded.
In embodiments of the present invention, the following difference point data of difference point data base essential record of kernel version：
The initialization of i.PCI trawl performances；
Ii. network interface card is opened；
Iii. packet receiving；
Iv. give out a contract for a project；
V. it exits；
Vi. it is other.
It should be noted that the discrepancy included by above-mentioned difference point data base, can include above-mentioned whole discrepancys,
Part variation point can be only included, in embodiments of the present invention, the discrepancy included in difference point data base is not done specifically
It limits.
Specifically, according to kernel version difference point data base, to the PCI trawl performances code to be upgraded and the kernel
Difference in version point data base carries out contrasting detection, therefrom obtains the discrepancy of PCI trawl performances to be upgraded.
For example, it when PCI trawl performances error detector detects, first by scanning the trawl performance code, extracts
Go out the characteristic point of this six category code, such as：The 2.2 entitled init_ of kernel PCI trawl performance initialization module functions of Linux
Then module compares the code that classification is corresponded in difference point data base again, such as (2.6.25module_init), so as to detect
Going out init_module should not use after 2.6.25 is upgraded to.
In step 103, the discrepancy of the PCI trawl performances to be upgraded is sent to PCI trawl performance developing engines.
In the embodiment of the present invention, by the way that trawl performance to be upgraded and difference point data base are compared, therefrom obtain and treat
The difference point data that upgrading trawl performance includes, is then sent to trawl performance developing engine by the difference point data of acquisition, solves
It is certainly existing to need manually to position original PCI trawl performances and the unmatched place of Linux new version kernels, since this method is led to
It crosses comparison and obtains discrepancy, while locating speed is improved, reduce error rate.
For a kind of clear explanation Linux PCI trawl performance error-detecting methods provided in an embodiment of the present invention, below with
For Linux PCI trawl performance error-detecting methods, a kind of LinuxPCI trawl performances error detection provided in an embodiment of the present invention is introduced
Method.
Linux PCI trawl performance error-detecting method case study on implementation：
1st, the content of difference point data base：
In practical applications, writing for PCI trawl performances uses following 4 class interface：
1) driving and upper strata linux kernel mating interface：
Such as：Module_init, pci_register_driver, register_netdev, net_device (note：
Net_device is a data structure, it mainly provides the function pointer docked between driving and upper strata linux kernel, because
And it is a kind of interface to be also considered as it) etc..
2) resource allocation interface：
Such as：Alloc_etherdev, request_irq, pci_alloc_consistent etc.
3) the transmitting-receiving packet interface under NAPI patterns：
Such as：Netif_rx_schedule_prep, _ _ netif_rx_schedule etc.
4) lock interface：
Such as：Spin_lock_irqsave, spin_unlock_irqrestore
A database table is corresponded to per class interface.It is to be noted that：These interfaces are divided into 4 tables and are stored,
It is the needs extended for follow-up function without being placed in 1 table.
Now illustrate how difference point data base uses by taking the interface table of transmiting and receive telegrams under NAPI patterns as an example：
Table 1：NAPI interfaces table
As shown in table 1, wherein, num domains are the numbers to interface, for its number of some special interface in a kind of interface
Uniquely.Name is interface name, and prototype is interface signature, its form is given with the form of (version number, interface signature)
Go out.Wherein NULL represents the interface under the version and is not present.
In scanning, PCI network interface card mistake error detectors can be extracted in above-mentioned database table per each interface in class interface
Then title scans PCI driving source codes, checks whether the version has used the interface, if used, from prototype
The interface signature of the current version in the interface and the interface signature of target version are extracted, if variant, such as：If it rises
Grade target kernel version number be：2.6.30, and current version number is 2.6.25, and _ _ netif_rx_ has been used in driving
Schedule interfaces, and pass through the information in deck watch 1, it is known that there is no _ _ netif_rx_schedule interfaces in 2.6.30, this
When, it will report an error.All reporting an error will form a report, and form refers to the 4th following step.
2nd, the configuration information of trawl performance source code collector is configured:
1) Linux Server IP address lists and PCI driving source code catalogues are inputted
Such as:
192.168.1.7
/usr/src/linux/drivers/net/pcnet32.c
192.168.1.8
/usr/src/linux/drivers/net/pcnet32.c
2) mail address of input PCI drivings guardian
2-1) start to scan：
Internal realization process：Trawl performance source code collector will connect remote Linux server, download PCI trawl performances
Code simultaneously scans.
Scan method is：It is compared with built-in difference point data base, identifies erroneous point.
2-2) form report：
Report is one table, and gauge outfit is as shown in table 2 below：
Table 2：Report gauge outfit
3rd, it will report and be sent in the mailbox of PCI driving guardians.
Based on same inventive concept, an embodiment of the present invention provides a kind of Linux PCI trawl performance Error Detection Units, due to
The principle that the device solves technical problem is similar to a kind of Linux PCI trawl performance error-detecting methods, therefore the implementation of the device
The implementation of method is may refer to, overlaps will not be repeated.
Fig. 2 be a kind of Linux PCI trawl performances Error Detection Unit structure diagram provided in an embodiment of the present invention, such as Fig. 2
Shown, a kind of Linux PCI trawl performance Error Detection Units provided in an embodiment of the present invention include：Acquiring unit 201, detection unit
202 and output unit 203.
Acquiring unit 201 for scanning PCI trawl performances to be upgraded, obtains PCI trawl performances code to be upgraded；
Detection unit 202, for according to kernel version difference point data base, from the PCI trawl performances code to be upgraded
The middle discrepancy for obtaining the PCI trawl performances to be upgraded；
Output unit 203, for the discrepancy of the PCI trawl performances to be upgraded to be sent to the exploitation of PCI trawl performances
Machine.
Preferably, the kernel version difference point data base includes one or more of following differences point：
The initialization of PCI trawl performances, network interface card are opened, and packet receiving is given out a contract for a project, exited；
The detection unit 202 is specifically used for：
It is poor to the PCI trawl performances code to be upgraded and the kernel version according to kernel version difference point data base
Dissimilarity database carries out contrasting detection, therefrom obtains the discrepancy of PCI trawl performances to be upgraded.
It should be appreciated that the unit that one of the above Linux PCI trawl performance Error Detection Units include only is the work(according to realization
The logical partitioning that can be carried out, in practical application, can carry out the superposition or fractionation of said units.And the dress that the embodiment provides
It puts realized function to correspond with a kind of Linux PCI trawl performances error-detecting method that above-described embodiment provides, for this
The more detailed process flow that device is realized, has been described in detail in above method embodiment one, herein no longer in detail
Description.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (2)
1. a kind of Linux PCI trawl performance error-detecting methods, which is characterized in that including：
PCI trawl performances to be upgraded are scanned, obtain PCI trawl performances code to be upgraded；
According to kernel version difference point data base, the PCI nets to be upgraded are obtained from the PCI trawl performances code to be upgraded
Block the discrepancy of driving；
The discrepancy of the PCI trawl performances to be upgraded is sent to PCI trawl performance developing engines；
The kernel version difference point data base includes one or more of following differences point：
The initialization of PCI trawl performances, network interface card are opened, and packet receiving is given out a contract for a project, exited；
It is described according to kernel version difference point data base, obtained from the PCI trawl performances code to be upgraded described to be upgraded
The discrepancy of PCI trawl performances, including：
It is poor to the PCI trawl performances code to be upgraded and the kernel version according to the kernel version difference point data base
Dissimilarity database carries out contrasting detection, therefrom obtains the discrepancy of the PCI trawl performances to be upgraded.
2. a kind of Linux PCI trawl performance Error Detection Units, which is characterized in that including：
Acquiring unit for scanning PCI trawl performances to be upgraded, obtains PCI trawl performances code to be upgraded；
Detection unit, for according to kernel version difference point data base, institute to be obtained from the PCI trawl performances code to be upgraded
State the discrepancy of PCI trawl performances to be upgraded；
Output unit, for the discrepancy of the PCI trawl performances to be upgraded to be sent to PCI trawl performance developing engines；
The kernel version difference point data base includes one or more of following differences point：
The initialization of PCI trawl performances, network interface card are opened, and packet receiving is given out a contract for a project, exited；
The detection unit is specifically used for：
It is poor to the PCI trawl performances code to be upgraded and the kernel version according to the kernel version difference point data base
Dissimilarity database carries out contrasting detection, therefrom obtains the discrepancy of the PCI trawl performances to be upgraded.
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