CN111737072A - Eye pattern testing system and system for hard disk TX signal and related components - Google Patents
Eye pattern testing system and system for hard disk TX signal and related components Download PDFInfo
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- CN111737072A CN111737072A CN202010605009.0A CN202010605009A CN111737072A CN 111737072 A CN111737072 A CN 111737072A CN 202010605009 A CN202010605009 A CN 202010605009A CN 111737072 A CN111737072 A CN 111737072A
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- 238000010586 diagram Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 23
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
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- 238000013500 data storage Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2268—Logging of test results
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/263—Generation of test inputs, e.g. test vectors, patterns or sequences ; with adaptation of the tested hardware for testability with external testers
- G06F11/2635—Generation of test inputs, e.g. test vectors, patterns or sequences ; with adaptation of the tested hardware for testability with external testers using a storage for the test inputs, e.g. test ROM, script files
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Abstract
The application discloses an eye pattern test system for a hard disk TX signal, which comprises a test terminal, a test module and a control module, wherein the test terminal is used for determining the current balance value of equipment to be tested according to a test working condition so that the equipment to be tested outputs the hard disk TX signal according to the current balance value; the oscilloscope is used for obtaining an actual eye pattern result according to the hard disk TX signal; and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value. According to the method and the device, the eye pattern test of the hard disk TX signal is automatically carried out through the test terminal and the oscilloscope, and the eye pattern result is fed back to the test terminal to adjust the balance value, so that the investment of a large amount of labor cost is avoided, the optimal balance value which should be used by the server can be quickly determined, and the reliability of the storage performance of the system is improved. The application also discloses an eye pattern testing method of the hard disk TX signal, which has the beneficial effects.
Description
Technical Field
The present application relates to the field of servers, and in particular, to an eye diagram testing system, and related components for a hard disk TX signal.
Background
In order to ensure the stable operation of the server and the perfect use of each interface and each part of the server, measuring whether the signal integrity of each interface of the server meets the standard or not has become an essential important process in the development process of the server. Generally, a large number of SATA hard disks are used in a server, and in order to ensure the security and reliability of data storage, testing of SATA links has a crucial influence on the evaluation of storage performance of the server. At present, the eye diagram test is generally carried out on the hard disk TX signal manually, if the actual eye diagram result is not ideal, a worker manually adjusts the TX equilibrium value of the signal generation system, and the manual test efficiency is low due to the fact that the TX equilibrium value is large, so that the optimization efficiency of the eye diagram is low, and a large amount of time and labor are wasted.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The eye pattern test system and the eye pattern test method for the hard disk TX signal automatically perform eye pattern test on the hard disk TX signal through the test terminal and the oscilloscope and feed back an eye pattern result to the test terminal to adjust an equalization value, so that a large amount of labor cost is avoided, an optimal equalization value which should be used by a server can be quickly determined, and the reliability of the storage performance of a system is improved.
In order to solve the above technical problem, the present application provides an eye pattern test system for a hard disk TX signal, including:
the test terminal is used for determining the current balance value of the equipment to be tested according to the test working condition so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
the oscilloscope is used for obtaining an actual eye pattern result according to the hard disk TX signal;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
Preferably, the test terminal is specifically configured to obtain the actual eye diagram result from the oscilloscope through a query instruction and a read instruction.
Preferably, the test terminal is specifically configured to obtain a current equilibrium value according to the actual eye diagram result and the target eye diagram result when the test condition is another test condition.
Preferably, the process of obtaining the current equalization value according to the actual eye diagram result and the target eye diagram result specifically includes:
extracting feature points from the actual eye diagram result;
comparing the characteristic points with characteristic points corresponding to the target eye diagram result;
and obtaining the current equilibrium value according to the comparison result.
Preferably, the feature points include eye height and/or eye width and/or jitter.
Preferably, the oscilloscope is specifically configured to obtain an actual eye diagram result according to an afterglow superposition technique and a hard disk TX signal.
Preferably, the test terminal is a PC.
Preferably, the test terminal, the oscilloscope and the device to be tested are connected to the same network.
In order to solve the above technical problem, the present application further provides an eye pattern testing method for a hard disk TX signal, which is applied to the eye pattern testing system for a hard disk TX signal described in any one of the above items, and the eye pattern testing method includes:
determining a current balance value of equipment to be tested according to a test working condition through a test terminal so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
obtaining an actual eye pattern result according to the hard disk TX signal through an oscilloscope;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
Preferably, the determining, by the test terminal, the current equalization value of the device to be tested according to the test condition, so that the process of outputting the hard disk TX signal by the device to be tested according to the current equalization value specifically includes:
and the test terminal acquires the actual eye pattern result from the oscilloscope through the query instruction and the read instruction.
The eye pattern test system for the hard disk TX signal automatically tests the eye pattern of the hard disk TX signal through the test terminal and the oscilloscope and feeds back the eye pattern result to the test terminal to adjust the balance value, so that the investment of a large amount of labor cost is avoided, the test efficiency is improved, the optimal balance value which should be used by a server can be determined more quickly, and the reliability of the storage performance of the system is improved. The application also provides an eye pattern test method of the hard disk TX signal, which has the same beneficial effects as the eye pattern test system of the hard disk TX signal.
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In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of an eye diagram testing system for a hard disk TX signal provided in the present application;
FIG. 2 is a schematic diagram of an eye diagram testing system for a hard disk TX signal according to another embodiment of the present disclosure;
fig. 3 is a flowchart illustrating steps of a method for testing an eye diagram of a hard disk TX signal according to the present disclosure.
Detailed Description
The core of the application is to provide an eye pattern test system and method for a hard disk TX signal, the eye pattern test of the hard disk TX signal is automatically carried out through a test terminal and an oscilloscope, and an eye pattern result is fed back to the test terminal to adjust a balance value, so that a large amount of labor cost is avoided, an optimal balance value which should be used by a server can be quickly determined, and the reliability of the storage performance of the system is improved.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an eye pattern testing system for a hard disk TX signal provided in the present application, where the eye pattern testing system for a hard disk TX signal includes:
the test terminal 1 is used for determining a current balance value of the equipment to be tested according to the test working condition so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
the oscilloscope 2 is used for obtaining an actual eye pattern result according to the hard disk TX signal;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
Specifically, in this embodiment, the test terminal 1 may be a PC, where the PC controls a device under test DUT to set an equalization value, the device under test sends a hard disk TX signal corresponding to the current equalization value to the oscilloscope 2, where the hard disk TX signal is a signal at the hard disk output end, and the oscilloscope 2 draws an eye diagram according to built-in analysis software after receiving the hard disk TX signal. The PC reads the eye diagram result output by the oscilloscope 2, and adjusts the current equalization value according to the eye diagram result, so that the test terminal 1 sends the hard disk TX signal corresponding to the current equalization value to the oscilloscope 2 until the optimal equalization value is obtained.
Specifically, the device to be tested in this embodiment may specifically be an SATA hard disk, and the scheme of this application is similarly applied to the test process of other hard disks. When the test is started, namely the system is in an initial test working condition, the normally used SATA hard disk is loaded on the corresponding SATA port, an initial balance value is set for the equipment to be tested through the PC, the equipment to be tested outputs a hard disk TX signal corresponding to the initial balance value, the oscilloscope 2 receives the hard disk TX signal, and an eye diagram result is obtained through built-in analysis software and the afterglow superposition technology. The PC end sends out a query instruction and a read instruction through a VISA program interface to obtain an eye diagram result in the oscilloscope 2, and analyzes the eye diagram result to judge whether the eye diagram result is an optimal eye diagram, specifically, characteristic points such as eye height, eye width and jitter in the eye diagram result are extracted and compared with the characteristic points corresponding to a target eye diagram result, if the deviation is within a preset range or a better eye diagram result cannot be obtained no matter whether the deviation is increased or decreased, the eye diagram result is the optimal eye diagram result, an equilibrium value corresponding to the eye diagram result is used as the optimal equilibrium value, otherwise, the corresponding equilibrium value is increased or decreased according to the comparison result, so that the device to be tested outputs a corresponding hard disk TX signal according to the adjusted equilibrium value until the optimal equilibrium value is obtained. In the embodiment, the eye pattern test is automatically performed through the coordination of the PC, the equipment to be tested and the oscilloscope 2, and the result is fed back to the PC to adjust the equilibrium value, so that an optimal equilibrium value searching method is provided, and the test efficiency of the hard disk is greatly improved.
Referring to fig. 2, as a preferred embodiment, each device may be connected through a local area network, so that the testing device is liberated, and a tester can remotely obtain a testing process and a testing result. Specifically, the physical layer of the eye pattern testing system mainly comprises the following four parts, namely a local area network, an oscilloscope 2, a PC and a device to be tested, all the devices are connected into the same local area network, repeated comparison labor can be automatically and remotely carried out, the investment of a large amount of manpower is avoided, the testing efficiency is improved, a crucial effect is designed on a server, the equilibrium value which should be used by the server is determined more quickly, and the reliability of the storage performance of the system is improved.
It can be seen that in this embodiment, the test terminal 1 and the oscilloscope 2 automatically perform the eye pattern test on the hard disk TX signal and feed back the eye pattern result to the test terminal 1 to adjust the equalization value, so that a large amount of manpower is avoided, the test efficiency is improved, the optimal equalization value that the server should use can be determined more quickly, and the reliability of the system storage performance is improved.
Referring to fig. 3, fig. 3 is a flowchart illustrating steps of an eye pattern testing method for a hard disk TX signal according to an embodiment of the present invention, applied to an eye pattern testing system for a hard disk TX signal according to any one of the above embodiments, where the eye pattern testing method includes:
s101: determining a current balance value of the equipment to be tested according to the test working condition through the test terminal so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
s102: obtaining an actual eye pattern result according to a hard disk TX signal through an oscilloscope;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
Therefore, in the embodiment, the test terminal and the oscilloscope automatically perform the eye pattern test on the hard disk TX signal and feed back the eye pattern result to the test terminal to adjust the balance value, so that the investment of a large amount of manpower is avoided, the test efficiency is improved, the optimal balance value which should be used by the server can be determined more quickly, and the reliability of the storage performance of the system is improved.
As a preferred embodiment, the process of determining, by the test terminal, the current equalization value of the device under test according to the test condition, so that the device under test outputs the hard disk TX signal according to the current equalization value specifically includes:
and the test terminal acquires an actual eye pattern result from the oscilloscope through the query instruction and the read instruction.
As a preferred embodiment, when the test condition is another test condition, the test terminal obtains the current equalization value according to the actual eye diagram result and the target eye diagram result.
As a preferred embodiment, the process of obtaining the current equalization value according to the actual eye diagram result and the target eye diagram result specifically includes:
extracting characteristic points from the actual eye diagram result;
comparing the characteristic points with the characteristic points corresponding to the target eye diagram result;
and obtaining the current equilibrium value according to the comparison result.
As a preferred embodiment, the characteristic points comprise eye height and/or eye width and/or jitter.
As a preferred embodiment, the process of obtaining the actual eye diagram result according to the hard disk TX signal by using an oscilloscope specifically includes:
and the oscilloscope obtains an actual eye pattern result according to the afterglow superposition technology and the hard disk TX signal.
In a preferred embodiment, the test terminal is a PC.
As a preferred embodiment, the test terminal, the oscilloscope and the device to be tested are connected to the same network.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An eye diagram test system for a hard disk TX signal, comprising:
the test terminal is used for determining the current balance value of the equipment to be tested according to the test working condition so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
the oscilloscope is used for obtaining an actual eye pattern result according to the hard disk TX signal;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
2. The eye pattern test system according to claim 1, wherein the test terminal is specifically configured to obtain the actual eye pattern result from the oscilloscope through a query instruction and a read instruction.
3. The eye pattern test system according to claim 1, wherein the test terminal is specifically configured to obtain the current equalization value according to the actual eye pattern result and the target eye pattern result when the test condition is another test condition.
4. The eye diagram test system according to claim 3, wherein the process of obtaining the current equalization value according to the actual eye diagram result and the target eye diagram result specifically comprises:
extracting feature points from the actual eye diagram result;
comparing the characteristic points with characteristic points corresponding to the target eye diagram result;
and obtaining the current equilibrium value according to the comparison result.
5. The eye test system according to claim 4, wherein the feature points comprise eye height and/or eye width and/or jitter.
6. The eye pattern test system according to claim 1, wherein the oscilloscope is specifically configured to obtain an actual eye pattern result according to an afterglow superposition technique and a hard disk TX signal.
7. The eye diagram test system of claim 1, wherein the test terminal is a PC.
8. The eye pattern test system according to any one of claims 1 to 7, wherein the test terminal, the oscilloscope and the device under test are connected to the same network.
9. An eye pattern test method for a hard disk TX signal, which is applied to the eye pattern test system for the hard disk TX signal according to any one of claims 1 to 8, and comprises the following steps:
determining a current balance value of equipment to be tested according to a test working condition through a test terminal so that the equipment to be tested outputs a hard disk TX signal according to the current balance value;
obtaining an actual eye pattern result according to the hard disk TX signal through an oscilloscope;
and when the test working condition is other test working conditions, the balance value obtained according to the actual eye diagram result is used as the current balance value.
10. The eye pattern testing method according to claim 9, wherein the process of determining the current equalization value of the device under test by the testing terminal according to the testing condition, so that the device under test outputs the hard disk TX signal according to the current equalization value specifically comprises:
and the test terminal acquires the actual eye pattern result from the oscilloscope through the query instruction and the read instruction.
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| CN202010605009.0A CN111737072B (en) | 2020-06-29 | 2020-06-29 | Eye pattern testing system and method for hard disk TX signal |
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| CN202010605009.0A CN111737072B (en) | 2020-06-29 | 2020-06-29 | Eye pattern testing system and method for hard disk TX signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112804169A (en) * | 2021-01-20 | 2021-05-14 | 浪潮电子信息产业股份有限公司 | High-speed signal equalization parameter optimization method, system and related components |
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| CN109739698A (en) * | 2018-09-20 | 2019-05-10 | 郑州云海信息技术有限公司 | A kind of parameter regulation means and system for SATA signal quality |
| CN109766232A (en) * | 2019-01-15 | 2019-05-17 | 郑州云海信息技术有限公司 | A kind of PCIe pressure eye figure detection calibration method |
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2020
- 2020-06-29 CN CN202010605009.0A patent/CN111737072B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109739698A (en) * | 2018-09-20 | 2019-05-10 | 郑州云海信息技术有限公司 | A kind of parameter regulation means and system for SATA signal quality |
| CN109766232A (en) * | 2019-01-15 | 2019-05-17 | 郑州云海信息技术有限公司 | A kind of PCIe pressure eye figure detection calibration method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112804169A (en) * | 2021-01-20 | 2021-05-14 | 浪潮电子信息产业股份有限公司 | High-speed signal equalization parameter optimization method, system and related components |
| CN112804169B (en) * | 2021-01-20 | 2022-11-04 | 浪潮电子信息产业股份有限公司 | High-speed signal equalization parameter optimization method, system and related components |
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