CN111858455B - DMI bandwidth performance verification method, device, equipment and storage medium - Google Patents
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Abstract
The application discloses a method for verifying DMI bandwidth performance, which provides an idea of obtaining DMI link bandwidth performance by testing data transmission throughput of a QAT chip in a PCH band, executes QAT example code test, and judges whether the DMI bandwidth performance meets expectations or not according to test data. The method does not need to additionally install an out-of-band device, and has simple implementation mode and low implementation cost; meanwhile, the QAT and the CPU are required to work cooperatively, the DMI link bandwidth performance can be accurately determined from the total data amount of the encryption and compression processing of the QAT chip when the data transmission throughput of the QAT chip in the PCH band is tested through the DMI link between the CPU and the PCH, and the effective verification of the DMI bandwidth performance is realized. The application also provides a DMI bandwidth performance verification device, equipment and a readable storage medium, which have the beneficial effects.
Description
Technical Field
The present application relates to the field of system communication technologies, and in particular, to a method, an apparatus, a device, and a readable storage medium for verifying DMI bandwidth performance.
Background
At present, a server is designed in a 1/2/4/8 way, mostly using a single PCH (Platform Controller Hub, integrated south bridge of Intel corporation), and the PCH is connected to a CPU (Central Processing Unit CPU) through a single DMI link (Direct Media Interface), so the operating state of the DMI is important for the normal operation of the whole link; from the aspect of bandwidth performance, services provided by the PCH, such as devices such as a hard disk and a USB, are connected between the CPU and the PCH through the DMI, and in order to ensure that the devices such as the hard disk and the USB are normal in performance, it is necessary to ensure that the DMI bandwidth can meet the performance requirement in design.
Although the industry has designed the traces between the CPU and the PCH in compliance with the trace specifications proposed by Intel, no method is currently provided to verify the bandwidth performance of the DMI.
Therefore, how to verify the bandwidth performance of the DMI so as to ensure the stability and reliability of the bandwidth performance of the DMI link is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The method can realize the verification of the DMI bandwidth performance, thereby ensuring the stability and reliability of the DMI link bandwidth performance; another object of the present application is to provide a DMI bandwidth performance verification apparatus, a device, and a readable storage medium.
In order to solve the above technical problem, the present application provides a method for verifying DMI bandwidth performance, including:
determining a test system; the test system is provided with a development kit corresponding to the acceleration software;
building and installing QAT acceleration software and example code corresponding to the QAT acceleration software in the test system;
performing a test of the example code;
and determining the data throughput of the test process, and performing DMI bandwidth performance analysis by taking the data throughput as the DMI bandwidth performance test value.
Optionally, determining the data throughput of the test process, and performing DMI bandwidth performance analysis by using the data throughput as the DMI bandwidth performance test value includes:
determining a data throughput of the test procedure;
judging whether the data throughput reaches the DMI maximum bandwidth actual value;
if so, judging that the DMI bandwidth performance reaches a preset standard;
and if not, judging that the DMI bandwidth performance does not reach the preset standard.
Optionally, after the determining that the DMI bandwidth performance does not meet the preset criterion, the method further includes:
and outputting prompt information that the DMI bandwidth performance does not meet the expectation.
Optionally, the DMI bandwidth performance verification method further includes:
and optimizing and adjusting the bandwidth performance according to the performance analysis result obtained by the DMI bandwidth performance analysis.
The present application also provides a DMI bandwidth performance verification apparatus, which includes:
a system determination unit for determining a test system; the test system is provided with a development kit corresponding to the acceleration software;
the construction installation unit is used for constructing and installing QAT acceleration software and example codes corresponding to the QAT acceleration software in the test system;
a code testing unit for performing a test of the example code;
and the throughput analysis unit is used for determining the data throughput of the test process and performing DMI bandwidth performance analysis by taking the data throughput as the DMI bandwidth performance test value.
Optionally, the throughput analysis unit includes:
a throughput determination subunit, configured to determine a data throughput of the test procedure;
a judging subunit, configured to judge whether the data throughput reaches the DMI maximum bandwidth actual value; if so, triggering a first judgment subunit; if not, triggering a second judgment subunit;
the first judging subunit is used for judging that the DMI bandwidth performance reaches a preset standard;
and the second judging subunit is used for judging that the DMI bandwidth performance does not reach the preset standard.
Optionally, the throughput analysis unit includes: and the prompting subunit is connected to the second judging subunit and is used for outputting prompting information that the DMI bandwidth performance does not meet the expectation after judging that the DMI bandwidth performance does not meet the preset standard.
Optionally, the DMI bandwidth performance verification apparatus further includes: and the optimization adjusting unit is used for optimizing and adjusting the bandwidth performance according to the performance analysis result obtained by the DMI bandwidth performance analysis.
The present application further provides a computer device, comprising:
a memory for storing a computer program;
and the processor is used for realizing the steps of the DMI bandwidth performance verification method when executing the computer program.
The present application further provides a readable storage medium having a program stored thereon, which when executed by a processor, performs the steps of the DMI bandwidth performance verification method.
The DMI bandwidth performance verification method provided by the application provides an idea of obtaining DMI link bandwidth performance by testing data transmission throughput of a QAT chip in a PCH band, executes QAT example code test, and judges whether the DMI bandwidth performance meets expectations or not according to test data. The method does not need to additionally install an out-of-band device, and has simple implementation mode and low implementation cost; meanwhile, the QAT and the CPU are required to work cooperatively, the DMI link bandwidth performance can be accurately determined from the total data amount of the encryption and compression processing of the QAT chip when the data transmission throughput of the QAT chip in the PCH band is tested through the DMI link between the CPU and the PCH, and the effective verification of the DMI bandwidth performance is realized.
The application also provides a DMI bandwidth performance verification device, equipment and a readable storage medium, which have the beneficial effects and are not described herein again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a method for verifying DMI bandwidth performance according to an embodiment of the present disclosure;
fig. 2 is a block diagram of a DMI bandwidth performance verification apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
The core of the application is to provide a DMI bandwidth performance verification method, which can realize the verification of the DMI bandwidth performance, thereby ensuring the stability and reliability of the DMI link bandwidth performance; at the other core of the application, a DMI bandwidth performance verification device, equipment and a readable storage medium are provided.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart of a DMI bandwidth performance verification method provided in this embodiment, in which QAT (Quick Assist Technology, acceleration scheme for high performance data security and compression of Intel corporation) chip data transmission throughput in a PCH band is mainly tested to obtain DMI link bandwidth performance. QAT is directly embedded in PCH, and needs to cooperate with CPU in the course of data processing task of large computation such as encryption, compression, etc., no extra external equipment is needed when using QAT chip data transmission throughput in PCH band, if need use hard disk to test DMI bandwidth, at least 6 hard disks (one hard disk-500 MB/s, total 6 can reach more than-3000 MB/s) must be additionally connected, it is troublesome for users, and need extra cost, the data transmission throughput using QAT chip in PCH band is simple to realize, and the realization cost is low; the QAT and the CPU must work together through the DMI link between the CPU and the PCH, so the total data amount of the encryption and compression processing of the QAT chip can be obtained, and the bandwidth performance of the DMI can be obtained.
Specifically, the method mainly comprises the following steps:
step s110, determining a test system;
the test system is a system to be subjected to DMI bandwidth performance verification, the system type of the test system is not limited in this embodiment, the test system is mainly taken as a Linux system in this embodiment, and the DMI bandwidth performance verification method under other types of test systems can refer to the description of this embodiment, which is not described herein again.
The development toolkit required by the acceleration software is installed on the Linux system, and an installation step needs to be executed for each QAT chip so as to run the QAT in the Linux environment, but a subsequent bandwidth performance test can reuse the development toolkit after one installation, namely the installation kit can be reused after one installation. The specific installation process of the development kit is not limited in this embodiment, and may be executed in the following code form:
#yum-y groupinstall"Development Tools"
#yum-y install pciutils libudev-devel boost-devel kernel-devel-$(uname-r)gcc zlib-devel openssl-devel
for other installation implementation forms of the development kit, reference may be made to the description of the embodiment, and details are not described herein.
Step s120, building and installing QAT acceleration software and example codes corresponding to the QAT acceleration software in the test system;
QAT acceleration software and example code are built and installed in the test system, and the example code is a tool for testing the encryption and decryption speed of the password and the data compression and decompression speed of the QAT acceleration software.
In this embodiment, implementation manners of constructing and installing QAT acceleration software and example code corresponding to the QAT acceleration software are not limited, and reference may be made to implementation manners in the related art, and optionally, an implementation manner of constructing and installing QAT acceleration software and example code is as follows:
#tar-zxvf qat1.7.l.4.5.0-00034.tar.gz
#./configure；make；make install
#make sample-all；make sample-install
in this embodiment, only the above implementation is described as an example, and other implementation manners are not described herein again.
Step s130, executing the test of the example code;
starting to execute the test of the example code, namely obtaining the result of the encrypted authentication data, and based on the construction and code installation processes, one implementation mode of testing the example code is as follows:
#cd quickassist/lookaside/access_layer/src/sample_code/build
#./cpa_sample_code
and step s140, determining the data throughput of the test process, and performing DMI bandwidth performance analysis by using the data throughput as a DMI bandwidth performance test value.
And determining the data throughput of the test process, testing the data throughput from the QAT, taking the data throughput as a DMI bandwidth performance test value, namely testing to obtain DMI bandwidth performance, analyzing the DMI bandwidth performance according to the throughput to verify the DMI bandwidth performance, and judging whether the DMI bandwidth performance meets the expectation.
In this embodiment, a specific implementation manner of the DMI bandwidth performance analysis is not limited, and one implementation manner is as follows:
(1) Determining a data throughput of a test procedure;
(2) Judging whether the data throughput reaches the DMI maximum bandwidth actual value;
(3) If so, judging that the DMI bandwidth performance reaches a preset standard;
(4) If not, judging that the DMI bandwidth performance does not meet the preset standard.
The QAT test result takes MB/s as a unit, and the actual value of the DMI maximum bandwidth is 3200MB/s as an example, if the QAT test data throughput is higher than 3200MB/s, the DMI bandwidth performance can be judged to meet the expectation, and the DMI bandwidth performance reaches the preset standard. If the QAT test data throughput is not higher than 3200MB/s, the DMI bandwidth performance does not reach the preset standard.
After the DMI bandwidth performance is judged not to reach the preset standard, in order to realize timely reminding for the user, prompt information that the DMI bandwidth performance does not meet expectations can be output, so that related technical personnel can process the situation in time, and stable and efficient operation of the system is guaranteed.
In order to ensure that the DMI continuously and stably transmits data with high bandwidth performance, optionally, bandwidth performance optimization and adjustment may be further performed according to a performance analysis result obtained by DMI bandwidth performance analysis. The specific optimization adjustment means corresponding to different analysis results can be set according to actual use requirements, which is not limited in this embodiment.
Based on the above description, in the DMI bandwidth performance verification method provided in this embodiment, an idea of obtaining DMI link bandwidth performance by testing the data transmission throughput of the QAT chip in the PCH band is provided, a QAT sample code test is performed, and then, according to the test data, whether the DMI bandwidth performance meets the expectation is determined. The method does not need to additionally install an out-of-band device, and has simple implementation mode and low implementation cost; meanwhile, the QAT and the CPU are required to work cooperatively, the DMI link bandwidth performance can be accurately determined from the total data amount of the encryption and compression processing of the QAT chip when the data transmission throughput of the QAT chip in the PCH band is tested through the DMI link between the CPU and the PCH, and the effective verification of the DMI bandwidth performance is realized.
Referring to fig. 2, fig. 2 is a block diagram of a DMI bandwidth performance verification apparatus according to the present embodiment; the device mainly includes: a system determination unit 110, a build installation unit 120, a code test unit 130, and a throughput analysis unit 140. The DMI bandwidth performance verification apparatus provided in this embodiment may be compared with the DMI bandwidth performance verification method.
The system determination unit 110 is mainly used for determining a test system; wherein, a development kit corresponding to the acceleration software is installed in the test system;
the building and installing unit 120 is used for building and installing QAT acceleration software and example code corresponding to the QAT acceleration software in the test system;
the code test unit 130 is used to perform a test of example code;
the throughput analysis unit 140 is configured to determine a data throughput of the test procedure, and perform DMI bandwidth performance analysis by using the data throughput as a DMI bandwidth performance test value.
Optionally, the throughput analysis unit comprises:
a throughput determination subunit, configured to determine a data throughput of the test procedure;
the judging subunit is used for judging whether the data throughput reaches the DMI maximum bandwidth actual value; if so, triggering a first judgment subunit; if not, triggering a second judgment subunit;
the first judgment subunit is used for judging that the DMI bandwidth performance reaches a preset standard;
and the second judgment subunit is used for judging that the DMI bandwidth performance does not reach the preset standard.
Optionally, the throughput analysis unit includes: and the prompting subunit is connected to the second judging subunit and used for outputting prompting information that the DMI bandwidth performance does not meet the expectation after judging that the DMI bandwidth performance does not meet the preset standard.
Optionally, the DMI bandwidth performance verifying apparatus further includes: and the optimization adjusting unit is used for optimizing and adjusting the bandwidth performance according to the performance analysis result obtained by the DMI bandwidth performance analysis.
The embodiment provides a computer device, mainly including: a memory and a processor.
Wherein, the memory is used for storing programs;
the steps of the DMI bandwidth performance verification method described in the foregoing embodiments are implemented by the processor when the processor is configured to execute a program, and refer to the description of the DMI bandwidth performance verification method specifically.
Referring to fig. 3, a schematic structural diagram of a computer device provided in this embodiment is shown, where the computer device may have a larger difference due to different configurations or performances, and may include one or more processors (CPUs) 322 (e.g., one or more processors), a memory 332, and one or more storage media 330 (e.g., one or more mass storage devices) for storing applications 342 or data 344. Memory 332 and storage media 330 may be, among other things, transient storage or persistent storage. The program stored on the storage medium 330 may include one or more modules (not shown), each of which may include a series of instructions operating on a data processing device. Still further, the central processor 322 may be configured to communicate with the storage medium 330 to execute a series of instruction operations in the storage medium 330 on the computer device 301.
The computer device 301 may also include one or more power supplies 326, one or more wired or wireless network interfaces 350, one or more input/output interfaces 358, and/or one or more operating systems 341, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, and so forth.
The steps in the DMI bandwidth performance verification method described above in fig. 1 can be implemented by the structure of the computer device described in this embodiment.
The present embodiment discloses a readable storage medium, on which a program is stored, and when the program is executed by a processor, the steps of the DMI bandwidth performance verification method described in the foregoing embodiments are implemented, which can be specifically referred to the description of the DMI bandwidth performance verification method in the foregoing embodiments.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various other readable storage media capable of storing program codes.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The DMI bandwidth performance verification method, apparatus, device, and readable storage medium provided in this application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (8)
1. A DMI bandwidth performance verification method, comprising:
determining a test system; the test system is provided with a development kit corresponding to the acceleration software;
building and installing QAT acceleration software and example code corresponding to the QAT acceleration software in the test system;
performing a test of the example code;
determining the data throughput of the test process, and performing DMI bandwidth performance analysis by taking the data throughput as the DMI bandwidth performance test value;
determining the data throughput of the test process, and performing DMI bandwidth performance analysis by using the data throughput as the DMI bandwidth performance test value, wherein the DMI bandwidth performance analysis comprises the following steps:
determining a data throughput of the test procedure;
judging whether the data throughput reaches the DMI maximum bandwidth actual value;
if so, judging that the DMI bandwidth performance reaches a preset standard;
and if not, judging that the DMI bandwidth performance does not reach the preset standard.
2. The DMI bandwidth performance validation method of claim 1, further comprising, after the determining that DMI bandwidth performance does not meet the predetermined criteria:
and outputting prompt information that the DMI bandwidth performance does not meet the expectation.
3. The DMI bandwidth performance validation method of claim 1, further comprising:
and optimizing and adjusting the bandwidth performance according to the performance analysis result obtained by the DMI bandwidth performance analysis.
4. A DMI bandwidth performance verification apparatus, the apparatus comprising:
a system determination unit for determining a test system; the test system is provided with a development kit corresponding to the acceleration software;
the construction installation unit is used for constructing and installing QAT acceleration software and example codes corresponding to the QAT acceleration software in the test system;
a code testing unit for performing a test of the example code;
the throughput analysis unit is used for determining the data throughput of the test process and performing DMI bandwidth performance analysis by taking the data throughput as the DMI bandwidth performance test value;
wherein the throughput analysis unit includes:
a throughput determination subunit, configured to determine a data throughput of the test procedure;
the judging subunit is used for judging whether the data throughput reaches the DMI maximum bandwidth actual value; if so, triggering a first judgment subunit; if not, triggering a second judgment subunit;
the first judging subunit is used for judging that the DMI bandwidth performance reaches a preset standard;
and the second judging subunit is used for judging that the DMI bandwidth performance does not reach the preset standard.
5. The DMI bandwidth performance validation apparatus of claim 4, wherein the throughput analysis unit comprises: and the prompting subunit is connected to the second judging subunit and is used for outputting prompting information indicating that the DMI bandwidth performance does not meet the expectation after the DMI bandwidth performance is judged to not meet the preset standard.
6. The DMI bandwidth capability verification apparatus of claim 4, further comprising: and the optimization adjusting unit is used for optimizing and adjusting the bandwidth performance according to the performance analysis result obtained by the DMI bandwidth performance analysis.
7. A computer device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the DMI bandwidth performance verification method according to any one of claims 1 to 3 when executing said computer program.
8. A readable storage medium, characterized in that the readable storage medium has stored thereon a program which, when executed by a processor, carries out the steps of the DMI bandwidth performance verification method according to any one of claims 1 to 3.
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| CN111209217A (en) * | 2020-03-12 | 2020-05-29 | 苏州浪潮智能科技有限公司 | System software function testing method, device, equipment and storage medium |
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| CN106815110A (en) * | 2017-01-22 | 2017-06-09 | 郑州云海信息技术有限公司 | One kind accelerates card test method and device |
| CN109743744A (en) * | 2018-12-19 | 2019-05-10 | 深圳创维数字技术有限公司 | Wireless performance test method, device, equipment and readable storage medium storing program for executing |
| CN111209217A (en) * | 2020-03-12 | 2020-05-29 | 苏州浪潮智能科技有限公司 | System software function testing method, device, equipment and storage medium |
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