CN115201611A - Method for testing VR power supply stability of CPU and related components - Google Patents
Method for testing VR power supply stability of CPU and related components Download PDFInfo
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Abstract
The application relates to the technical field of server power supply, and discloses a method for testing VR power supply stability of a CPU and a related component, which comprises the following steps: and running the VR power supply load script to determine whether the current VR has a current limiting function, if so, running the first test script to control the GEN5VRTT jig to perform stability simulation test, if not, running the second test script to control the GEN5VRTT jig to perform stability simulation test, and acquiring a simulation test result grabbed by the oscilloscope to determine the power supply stability of the current VR. Therefore, before the power supply stability test of the VR is carried out, whether the VR to be tested has the current limiting function or not is judged, a corresponding test script is selected for the VR to be tested to carry out the stability simulation test, the problem that the whole power supply stability of the VR cannot be determined due to the fact that the script corresponding to the current limiting function is selected to carry out the test is avoided, and the reliability of the server is improved.
Description
Technical Field
The present application relates to the field of server power supply technologies, and in particular, to a method for testing VR power supply stability of a CPU and related components.
Background
With the continuous development of the internet, various services have higher and higher requirements on the performance of the server, in order to ensure the stability of power supply during the operation of the server, a high requirement is provided for the peripheral power supply of a Central Processing Unit (CPU), and if the stability of any one group of VRs on a motherboard is abnormal, the server may be halted, failed or restarted. Therefore, in the development process of the server, the stability of the VR power supply under various extreme use scenes of the CPU needs to be tested.
Currently, when testing the stability of the server CPU power supply VR, a test is usually performed according to a Current Limit (Current Limit) function of the VR, so as to observe the stability of the VR power supply. Wherein the Current Limit function refers to a maximum Current value supplied to the CPU. However, when a VR without the Current Limit function is tested under the Current Limit test condition, the voltage stability between the Current Limit test condition and the maximum required Current of the CPU cannot be tested because the limited Current of the Current Limit test condition is small. For example, if the Current Limit test condition has a Limit Current of 200 amperes (a) and the CPU maximum required Current is 500A, the voltage stability between 200A and 500A cannot be tested when the Current Limit test condition is used for testing, and thus the overall stability of the VR power supply cannot be determined.
Therefore, how to test the power supply stability of the VR with and without the Current Limit function in various limited usage scenarios of the CPU to improve the reliability of the server is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The purpose of the application is to provide a method for testing VR power supply stability of a CPU and related components, which can test VR power supply stability with and without a Current Limit function, and improve reliability of a server.
In order to solve the above technical problem, the present application provides a method for testing VR power supply stability of a CPU, including:
after a test environment is built, operating a VR power supply load script to determine whether the current VR has a current limiting function;
if the current VR has the current limiting function, a first test script is operated so as to control a GEN5VRTT jig to perform simulation test on the power supply stability of the current VR;
if the current VR does not have the current limiting function, running a second test script so as to control the GEN5VRTT jig to perform simulation test on the power supply stability of the current VR;
and acquiring a simulation test result captured by the oscilloscope to determine the power supply stability of the current VR.
Preferably, determining whether the current VR is current limited comprises:
judging whether the current VR power supply triggers overcurrent protection or not;
further, if overcurrent protection is triggered, it is determined that the current VR does not have the current limiting function, and if undervoltage protection is triggered, it is determined that the current VR has the current limiting function.
Preferably, determining the power supply stability of the current VR comprises:
judging whether the current peak value exceeds a preset range in a preset period;
if the current VR power supply exceeds the preset range, determining that the current VR power supply is unstable, and sending a prompt signal;
and if the current VR is not beyond the preset range, determining that the power supply of the current VR is stable.
Preferably, after the test environment is established, before the VR power supply pull-load script is run to determine whether the current VR has a current limiting function, the method further includes:
detecting whether the VR power supply pull-load script, the first test script or the second test script exists;
and if not, acquiring the script corresponding to the installation package for installation.
Preferably, after the test environment is established, before the VR power supply pull-load script is run to determine whether the current VR has a current limiting function, the method further includes:
determining whether a signal of successful connection of the oscilloscope is acquired;
if the coordinate range is acquired, setting the coordinate range of the oscilloscope;
and if not, sending a prompt signal to the terminal.
Preferably, before running the VR supply pull-load script, the method further comprises:
the sleep mode of the computer system is turned off.
In order to solve the above technical problem, the present application further provides a system for testing VR power supply stability of a CPU, including: the device comprises an upper computer, a GEN5VRTT jig and an oscilloscope;
one end of the GEN5VRTT jig is connected with the upper computer, the other end of the GEN5VRTT jig is connected with the oscilloscope, and the GEN5VRTT jig is used for carrying out simulation test on the power supply stability of the current VR when a first test script or a second test script sent by the upper computer is obtained and transmitting a simulation test result to the oscilloscope;
the oscilloscope is used for receiving and capturing the simulation test result;
the upper computer is used for operating a VR power supply pull-load script to determine whether the current VR has a current limiting function or not after a test environment is built, operating the first test script to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR if the current VR has the current limiting function, operating the second test script to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR if the current VR does not have the current limiting function, and acquiring a simulation test result captured by the oscilloscope to determine the power supply stability of the current VR.
In order to solve the above technical problem, the present application further provides a testing apparatus for VR power supply stability of a CPU, including:
the first operation module is used for operating a VR power supply pull-load script to determine whether the current VR has a current limiting function or not after a test environment is built;
the second operation module is used for operating a first test script so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR when the current VR has the current limiting function;
the third operation module is used for operating a second test script so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR when the current VR does not have the current limiting function;
and the acquisition module is used for acquiring a simulation test result captured by the oscilloscope so as to determine the power supply stability of the current VR.
In order to solve the above technical problem, the present application further provides a testing apparatus for VR power supply stability of a CPU, including a memory for storing a computer program;
and the processor is used for realizing the steps of the method for testing the VR power supply stability of the CPU when executing the computer program.
In order to solve the above technical problem, the present application further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the method for testing VR power supply stability of a CPU.
The invention provides a method for testing VR power supply stability of a CPU, which comprises the following steps: after a test environment is built, a VR power supply pull-load script is operated to determine whether the current VR has a current limiting function, if the current VR has the current limiting function, a first test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, if the current VR does not have the current limiting function, a second test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, and a simulation test result captured by an oscilloscope is acquired so as to determine the power supply stability of the current VR. Therefore, according to the technical scheme, before the power supply stability test of the VR, whether the current VR to be tested has the current limiting function or not is judged, the corresponding test script is selected for the current VR to be tested to perform the stability simulation test, and the problem that when the VR does not have the current limiting function, the current limiting condition is adopted for testing, namely the script corresponding to the current limiting function is selected for testing, so that the whole power supply stability of the VR cannot be determined, and the reliability of a server is improved.
In addition, the application also provides a system, a device and a medium for testing the VR power supply stability of the CPU, which correspond to the method for testing the VR power supply stability of the CPU, and the effect is the same as the above.
Drawings
In order to more clearly illustrate the embodiments of the present application, the drawings required 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 may be obtained by those skilled in the art without inventive effort.
Fig. 1 is a flowchart of a method for testing VR power supply stability of a CPU according to an embodiment of the present disclosure;
fig. 2 is a structural diagram of a system for testing VR power supply stability of a CPU according to an embodiment of the present application;
fig. 3 is a structural diagram of a testing apparatus for VR power supply stability of a CPU according to an embodiment of the present disclosure;
fig. 4 is a structural diagram of a testing apparatus for VR power supply stability of a CPU according to another embodiment of the present application;
the reference numbers are as follows: 1 is an upper computer, 2 is a GEN5VRTT tool, and 3 is an oscilloscope.
Detailed Description
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 only some embodiments of the present application, and 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 any creative effort belong to the protection scope of the present application.
The core of the application is to provide a method and related components for testing VR power supply stability of a CPU, before testing the VR power supply stability, whether the VR has a current limiting function is judged, and a corresponding test script is selected to test in combination with a judgment result so as to determine the VR power supply stability.
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.
With the continuous development of the internet, various services have higher and higher requirements on the performance of a server, and in order to ensure the stability of power supply during the operation of the server, there are very high requirements on the peripheral power supply of a Central Processing Unit (CPU), and if the stability of power supply of any group of VRs on a motherboard is abnormal, problems such as a crash, a fault or a restart of the server may occur. Therefore, in the process of server development, the stability of VR power supply under various extreme using scenes of a CPU needs to be tested.
Currently, when testing the stability of the server CPU power supply VR, a test is usually performed according to a Current Limit (Current Limit) function of the VR, so as to observe the stability of the VR power supply. Wherein the Current Limit function refers to a maximum Current value supplied to the CPU. However, if the VR without the Current Limit function is tested under the Current Limit test condition, the voltage stability between the Limit Current and the maximum required Current of the CPU cannot be tested, because the Limit Current of the Current Limit test condition is small. For example, if the Current Limit test condition has a Limit Current of 200 amperes (a) and the CPU maximum required Current is 500A, the voltage stability between 200A and 500A cannot be tested when the Current Limit test condition is used for testing, and thus the overall stability of the VR power supply cannot be determined.
In order to test the VR power supply stability with and without the Current Limit function in various limited use scenes of a CPU and improve the reliability of a server, the embodiment of the application provides a method for testing the VR power supply stability of the CPU.
Fig. 1 is a flowchart of a method for testing VR power supply stability of a CPU according to an embodiment of the present application, where as shown in fig. 1, the method includes:
s10: after a test environment is built, operating a VR power supply pull-load script to determine whether the current VR has a current limiting function;
s11: if the current VR has the current limiting function, operating a first test script so as to control the GEN5VRTT jig to perform simulation test on the power supply stability of the current VR;
s12: if the current VR does not have the current limiting function, operating a second test script so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR;
in a specific embodiment, when testing the VR power supply stability of the CPU, the sleep mode of the computer system is closed first, whether a signal that the oscilloscope is successfully connected is obtained is determined, when the connection is successful, the coordinate measuring range of the oscilloscope is set, and if the connection is failed, a prompt signal is sent to the terminal. In addition, whether a VR power supply pull-load script, a first test script and a second test script exist or not needs to be detected, and if not, installation packages corresponding to the test scripts are obtained for installation.
After a test environment is built, a VR power supply load-pulling script is operated, and whether the Current VR has a Current Limit (Current Limit) function or not is determined through the power supply Current of the load-pulling VR. It can be understood that when the supply Current of the VR is pulled to the set value of the Current Limit condition, the VR will not provide more Current, and at this time, if the CPU works in a scene exceeding the Current Limit condition, the excess Current will be provided by the capacitor at the output end, the output capacitor discharges, the output Voltage decreases, and when the output Voltage decreases to the set value of the undervoltage Protection (UVP for short), the UVP Protection is triggered. At this time, it is determined that the Current VR has a Current Limit function, and a first test script is run so as to control the GEN5VRTT jig to perform a simulation test on the power supply stability of the Current VR.
In addition, if the Current VR has a Current Limit function, the VR will always provide Current, and finally trigger Over Current Protection (OCP) Protection. Therefore, when determining whether the Current VR has the Current Limit function, whether overcurrent protection is triggered by Current VR power supply can be judged, and if overcurrent protection is triggered, the second test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the Current VR.
It should be noted that, when the VR power supply stability of the CPU is tested according to the Intel requirement, and when the VR does not have the Current Limit function, the Limit condition of the VR power supply needs to be determined according to the maximum power consumption of the CPU, that is, the maximum required Current of the CPU needs to be tested, where the limiting Current corresponding to the Current Limit test condition is smaller than the maximum required Current of the CPU. Therefore, the VR has a different test script from the VR without the Current Limit function, and when the VR has the Current Limit function, the VR performs a test according to the limiting Current corresponding to the Current Limit test condition, that is, calls the first test script to perform the test. And when the Current Limit function is not provided, testing according to the maximum Current required by the CPU, namely calling a second test script for testing.
S13: and acquiring a simulation test result captured by the oscilloscope to determine the power supply stability of the current VR.
After the power supply stability of the current VR is subjected to simulation test through the GEN5VRTT jig, the GEN5VRTT jig transmits a simulation test result to the oscilloscope, and the simulation test result grabbed by the oscilloscope is obtained to determine the power supply stability of the current VR.
Specifically, whether the current peak value exceeds a preset range in a preset period is determined according to the coordinate range of the oscilloscope, if the current peak value exceeds the preset range, the current VR power supply is determined to be unstable, and a prompt signal is sent to the client.
The method for testing VR power supply stability of the CPU provided by the embodiment of the application comprises the following steps: after a test environment is built, a VR power supply pull-load script is operated to determine whether the current VR has a current limiting function, if the current VR has the current limiting function, a first test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, if the current VR does not have the current limiting function, a second test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, and a simulation test result captured by an oscilloscope is acquired so as to determine the power supply stability of the current VR. Therefore, according to the technical scheme, before the power supply stability test of the VR, whether the current VR to be tested has the current limiting function or not is judged, the corresponding test script is selected for the current VR to be tested to perform the stability simulation test, and the problem that when the VR does not have the current limiting function, the current limiting condition is adopted for testing, namely the script corresponding to the current limiting function is selected for testing, so that the whole power supply stability of the VR cannot be determined, and the reliability of a server is improved.
It can be understood that when the VR has the Current Limit function, and the Current of the pull-load VR reaches the Current Limit condition, the VR does not provide any additional Current, and at this time, the additional Current is provided by the capacitor discharge of the output port, and the output voltage decreases when the capacitor discharges, and decreases to the setting value corresponding to the UVP protection, the UVP protection is triggered. And when the VR does not have the Current Limit function, the VR can provide Current until the OCP protection is triggered.
Therefore, when judging whether the Current VR has the Current Limit function, when the VR power supply pull-load script is operated, whether the Current of pull-load triggers the UVP protection or not can be judged, that is, whether the Current VR power supply triggers the over-Current protection or not can be judged, if the UVP protection is triggered, it is determined that the Current VR does not have the Current Limit function, and if the under-voltage protection is triggered, it is determined that the Current VR has the Current Limit function.
According to the method for testing the VR power supply stability of the CPU, before the VR power supply stability is tested, whether the current VR has the current limiting function or not is judged by running the VR power supply load script, the corresponding test script is selected according to the judgment result to test the power supply stability, the current VR is prevented from having the current limiting function, the current limiting condition is adopted for testing, the integral stability of the current VR cannot be determined, and therefore the power supply performance of a server is improved.
In specific implementation, after a simulation test result captured by the oscilloscope is obtained, the power supply stability of the VR is analyzed. Specifically, whether the current peak value exceeds a preset range or not in a preset period is judged, if the current peak value exceeds the preset range, the current VR power supply is determined to be unstable, and if not, the current VR power supply is determined to be stable.
Certainly, in order to further improve the judgment accuracy, whether the current VR power supply is stable or not may be determined according to whether the number of current peak values exceeding the preset range reaches the preset number in a plurality of preset periods, and certainly, when the current peak values exceed the preset number, it is determined that the power supply is unstable.
In addition, the current fluctuation condition can be checked according to a current oscillogram captured by the oscilloscope, and when the fluctuation frequency of the oscillogram is greater than the preset frequency, the current VR power supply is determined to be unstable. And when the power supply instability is determined, transmitting a prompt signal to the terminal so as to remind maintenance personnel.
It should be noted that, the present application is not limited to a specific manner for determining whether the power supply of the current VR is stable.
The method for testing the VR power supply stability of the CPU provided by the embodiment of the application judges whether the current peak value exceeds the preset range in the preset period when the power supply stability of the current VR is determined, determines that the current VR is unstable in power supply if the current peak value exceeds the preset range, and sends out a prompt signal, and determines that the current VR is stable in power supply if the current VR does not exceed the preset range. Therefore, the condition of the current VR power supply stability is determined according to the simulation result, the power supply stability of the server is guaranteed, and the reliability of the server is improved.
Before testing the VR power supply stability of the CPU, whether a VR power supply pull-load script, a first test script or a second test script exists or not is detected, and if not, an installation package corresponding to each script is automatically acquired for installation. Meanwhile, whether the oscilloscope is successfully connected or not is judged, namely whether a signal of successful oscilloscope connection is acquired or not is judged, and if the oscilloscope is failed to be connected, a prompt signal is sent to the terminal so as to facilitate maintenance personnel.
Of course, if the oscilloscope is successfully connected, the coordinate measuring range of the oscilloscope is set, wherein the coordinate measuring range comprises the amplitude of the ordinate and the time of the abscissa. After the preparation, before the VR power supply pull-load script is run, in order to avoid test failure caused by the sleep mode of the computer system in the test process, the sleep mode of the computer system is closed.
According to the method for testing the VR power supply stability of the CPU, after the testing environment is built, before the VR power supply pull-loading script is operated to determine whether the current VR has the current limiting function, if the VR power supply pull-loading script, the first testing script or the second testing script does not exist, the script corresponding to the installation package is obtained to be installed. And in addition, whether a signal of successful connection of the oscilloscope is acquired or not is determined, if the signal is acquired, the coordinate measuring range of the oscilloscope is set, and if the signal is not acquired, a prompt signal is sent to the terminal. And turning off a sleep mode of the computer system before running the VR power pull script. Therefore, automatic configuration of a test environment is realized, smooth test is ensured, and the power supply stability of the server is further ensured.
In the foregoing embodiment, a method for testing the VR power supply stability of the CPU is described in detail, and the present application also provides an embodiment corresponding to a system for testing the VR power supply stability of the CPU. Fig. 2 is a structural diagram of a system for testing VR power supply stability of a CPU according to an embodiment of the present application, and as shown in fig. 2, the system includes: the device comprises an upper computer 1, a GEN5VRTT jig 2 and an oscilloscope 3.
One end of the GEN5VRTT jig 2 is connected with the upper computer 1, the other end of the GEN5VRTT jig 2 is connected with the oscilloscope 3, and the GEN5VRTT jig is used for carrying out simulation test on the power supply stability of the current VR when a first test script or a second test script sent by the upper computer 1 is obtained, and transmitting a simulation test result to the oscilloscope 3. The oscilloscope 3 is used for receiving and capturing simulation test results. The upper computer 1 is used for operating the VR power supply load script to determine whether the current VR has the current limiting function or not after a test environment is built, operating the first test script so as to control the GEN5VRTT fixture 2 to perform simulation test on the power supply stability of the current VR if the current VR has the current limiting function, operating the second test script so as to control the GEN5VRTT fixture 2 to perform simulation test on the power supply stability of the current VR if the current VR does not have the current limiting function, and acquiring a simulation test result captured by the oscilloscope 3 so as to determine the power supply stability of the current VR.
In implementation, the GEN5VRTT jig 2 is installed on the mainboard, one end of the GEN5VRTT jig is connected with the upper computer 1, the GEN5 operation interface is opened on the upper computer 1, and the GPIB wire is used for being connected with the oscilloscope 3. And inputting a test instruction on the GEN5 operation interface so as to start the test of VR power supply stability of the CPU. During testing, the VR power supply load-pulling script, the first test script and the second test script run on the VRTT software, so that the GEN5VRTT jig 2 is controlled to simulate an electronic load, namely, the current for supplying power to the VR is simulated, and the voltage condition is reflected by voltage fluctuation, so that the power supply stability of the VR is checked.
Furthermore, selecting the Sheet to be tested through the GEN5 operation interface, reading a sweep frequency result report, obtaining parameters such as test conditions, frequency points and voltage values, and automatically uploading test data and waveforms to a terminal for a user to check.
The test system of VR power supply stability of CPU that this application embodiment provided includes: the device comprises an upper computer, a GEN5VRTT fixture and an oscilloscope, wherein one end of the GEN5VRTT fixture is connected with the upper computer, the other end of the GEN5VRTT fixture is connected with the oscilloscope, the oscilloscope is used for carrying out simulation test on the power supply stability of the current VR when a first test script or a second test script sent by the upper computer is obtained, the simulation test result is transmitted to the oscilloscope, the oscilloscope is used for receiving and capturing the simulation test result, the upper computer is used for operating a VR power supply pull-load script to determine whether the current VR has a current limiting function or not after a test environment is built, if the current VR has the current limiting function, the first test script is operated to control the GEN5VRTT fixture to carry out simulation test on the power supply stability of the current VR, and if the current VR does not have the current limiting function, the second test script is operated to control the GEN5VRTT fixture to carry out simulation test on the power supply stability of the current VR, and the simulation test result captured by the oscilloscope is obtained to determine the power supply stability of the current VR. Therefore, the test system provided by the embodiment of the application tests whether the VR has the current limiting function or not before the GEN5VRTT fixture tests the VR power supply stability, and selects the corresponding test script for the VR to test, so that the problem that the whole power supply stability of the VR cannot be determined when the VR does not have the current limiting function is avoided, and the reliability of the server is improved.
In the foregoing embodiment, a method for testing VR power supply stability of a CPU is described in detail, and the present application also provides an embodiment corresponding to a device for testing VR power supply stability of a CPU. It should be noted that the present application describes the embodiments of the apparatus portion from two perspectives, one is based on the functional module, and the other is based on the hardware structure.
Fig. 3 is a structural diagram of a testing apparatus for VR power supply stability of a CPU according to an embodiment of the present application, and as shown in fig. 3, the testing apparatus includes:
the first operation module 10 is configured to operate a VR supply pull-load script to determine whether a current VR has a current limiting function after a test environment is established;
the second operation module 11 is configured to operate the first test script when the current VR has a current limiting function, so as to control the GEN5VRTT jig to perform a simulation test on the power supply stability of the current VR;
the third operation module 12 is configured to operate a second test script so as to control the GEN5VRTT fixture to perform a simulation test on the power supply stability of the current VR when the current VR does not have the current limiting function;
and the obtaining module 13 is configured to obtain a simulation test result captured by the oscilloscope so as to determine power supply stability of the current VR.
Since the embodiment of the apparatus portion and the embodiment of the method portion correspond to each other, please refer to the description of the embodiment of the method portion for the embodiment of the apparatus portion, and details are not repeated here.
The testing arrangement of VR power supply stability of CPU that this application embodiment provided includes: after a test environment is built, a VR power supply pull-load script is operated to determine whether the current VR has a current limiting function, if the current VR has the current limiting function, a first test script is operated so as to control a GEN5VRTT jig to perform simulation test on the power supply stability of the current VR, if the current VR does not have the current limiting function, a second test script is operated so as to control the GEN5VRTT jig to perform simulation test on the power supply stability of the current VR, and a simulation test result captured by an oscilloscope is obtained to determine the power supply stability of the current VR. Therefore, according to the technical scheme, before the power supply stability test of the VR, whether the current VR to be tested has the current limiting function or not is judged, the corresponding test script is selected for the current VR to be tested to perform the stability simulation test, and the problem that when the VR does not have the current limiting function, the current limiting condition is adopted for testing, namely the script corresponding to the current limiting function is selected for testing, so that the whole power supply stability of the VR cannot be determined, and the reliability of a server is improved.
Fig. 4 is a structural diagram of a device for testing VR power supply stability of a CPU according to another embodiment of the present application, and as shown in fig. 4, the device for testing VR power supply stability of a CPU includes: a memory 20 for storing a computer program;
the processor 21 is configured to implement the steps of the method for testing VR power supply stability of the CPU as mentioned in the above embodiments when executing the computer program.
The testing apparatus for the VR power supply stability of the CPU provided in this embodiment may include, but is not limited to, a smart phone, a tablet computer, a notebook computer, or a desktop computer.
The processor 21 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The Processor 21 may be implemented in at least one hardware form of a Digital Signal Processor (DSP), a Field-Programmable Gate Array (FPGA), and a Programmable Logic Array (PLA). The processor 21 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in a wake state, and is also called a Central Processing Unit (CPU for short); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 21 may be integrated with an image processor (GPU), and the GPU is responsible for rendering and drawing the content required to be displayed by the display screen. In some embodiments, the processor 21 may further include an Artificial Intelligence (AI) processor for processing computing operations related to machine learning.
The memory 20 may include one or more computer-readable storage media, which may be non-transitory. Memory 20 may also include high speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In this embodiment, the memory 20 is at least used for storing the following computer program 201, wherein after being loaded and executed by the processor 21, the computer program can implement the relevant steps of the method for testing the VR power supply stability of the CPU disclosed in any one of the foregoing embodiments. In addition, the resources stored in the memory 20 may also include an operating system 202, data 203, and the like, and the storage manner may be a transient storage manner or a permanent storage manner. Operating system 202 may include, among others, windows, unix, linux, and the like. Data 203 may include, but is not limited to, relevant data involved in testing methods of VR power supply stability for a CPU.
In some embodiments, the testing apparatus for VR power supply stability of the CPU may further include a display 22, an input/output interface 23, a communication interface 24, a power supply 25, and a communication bus 26.
Those skilled in the art will appreciate that the configuration shown in fig. 4 does not constitute a limitation of the testing apparatus for VR supply stability of a CPU and may include more or fewer components than those shown.
The testing device for VR power supply stability of the CPU provided by the embodiment of the application comprises a memory and a processor, wherein when the processor executes a program stored in the memory, the following method can be realized: and testing VR power supply stability of the CPU.
The testing arrangement of VR power supply stability of CPU that this application embodiment provided, before carrying out VR's power supply stability test, judge earlier whether the VR that awaits measuring possesses the current limit function, and for the VR that awaits measuring before select the test script that corresponds to carry out stability simulation test, avoid when VR does not possess the current limit function, adopt the current limit condition to test, select the script that possesses the current limit function and correspond promptly to test, lead to unable definite this VR's whole power supply stability, and then promote the reliability of server.
Finally, the application also provides a corresponding embodiment of the computer readable storage medium. The computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps as set forth in the above-mentioned method embodiments.
It is understood that, if the method in the above embodiments is implemented in the form of software functional units and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium and executes all or part of the steps of the methods described in the embodiments of the present application, or all or part of the technical solutions. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The computer-readable storage medium provided by the embodiment of the application comprises: after a test environment is built, a VR power supply pull-load script is operated to determine whether the current VR has a current limiting function, if the current VR has the current limiting function, a first test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, if the current VR does not have the current limiting function, a second test script is operated so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR, and a simulation test result captured by an oscilloscope is acquired so as to determine the power supply stability of the current VR. Therefore, according to the technical scheme, before the power supply stability test of the VR, whether the current VR to be tested has the current limiting function or not is judged, the corresponding test script is selected for the current VR to be tested to perform the stability simulation test, and the problem that when the VR does not have the current limiting function, the current limiting condition is adopted for testing, namely the script corresponding to the current limiting function is selected for testing, so that the whole power supply stability of the VR cannot be determined, and the reliability of a server is improved.
The method for testing the VR power supply stability of the CPU and the related components provided by the present application are described in detail above. 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. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.
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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A method for testing VR power supply stability of a CPU is characterized by comprising the following steps:
after a test environment is built, operating a VR power supply load script to determine whether the current VR has a current limiting function;
if the current VR has the current limiting function, running a first test script so as to control a GEN5VRTT jig to perform simulation test on the power supply stability of the current VR;
if the current VR does not have the current limiting function, running a second test script so as to control the GEN5VRTT jig to carry out simulation test on the power supply stability of the current VR;
and acquiring a simulation test result captured by the oscilloscope to determine the power supply stability of the current VR.
2. The method of claim 1, in which determining whether the current VR has current limiting capability includes:
judging whether the current VR power supply triggers overcurrent protection or not;
further, if overcurrent protection is triggered, it is determined that the current VR does not have the current limiting function, and if undervoltage protection is triggered, it is determined that the current VR has the current limiting function.
3. The method for testing power supply stability of VR of CPU of claim 1, wherein determining power supply stability of the current VR includes:
judging whether the current peak value exceeds a preset range in a preset period;
if the current VR exceeds the preset range, determining that the power supply of the current VR is unstable, and sending a prompt signal;
and if the current VR is not beyond the preset range, determining that the power supply of the current VR is stable.
4. The method for testing the VR power supply stability of the CPU of any one of claims 1 to 3, wherein after the test environment is built, before the VR power supply pull-load script is run to determine whether the current VR has a current limiting function, the method further comprises:
detecting whether the VR power supply pull-load script, the first test script or the second test script exists;
and if not, acquiring the script corresponding to the installation package for installation.
5. The method for testing the VR power supply stability of the CPU of claim 4, wherein after the test environment is built, before running a VR power supply pull-load script to determine whether the current VR has a current limiting function, the method further comprises:
determining whether a signal of successful connection of the oscilloscope is acquired;
if the coordinate range is acquired, setting the coordinate range of the oscilloscope;
and if not, sending a prompt signal to the terminal.
6. The method for testing VR power supply stability of CPU of claim 4, further comprising, prior to running the VR power supply pull-load script:
the sleep mode of the computer system is turned off.
7. A system for testing VR power supply stability of a CPU, comprising: the device comprises an upper computer, a GEN5VRTT jig and an oscilloscope;
one end of the GEN5VRTT jig is connected with the upper computer, the other end of the GEN5VRTT jig is connected with the oscilloscope, and the GEN5VRTT jig is used for carrying out simulation test on the power supply stability of the current VR when a first test script or a second test script sent by the upper computer is obtained and transmitting a simulation test result to the oscilloscope;
the oscilloscope is used for receiving and capturing the simulation test result;
the upper computer is used for operating a VR power supply pull-load script to determine whether the current VR has a current limiting function or not after a test environment is built, operating the first test script to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR if the current VR has the current limiting function, operating the second test script to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR if the current VR does not have the current limiting function, and acquiring a simulation test result captured by the oscilloscope to determine the power supply stability of the current VR.
8. A testing arrangement of VR power supply stability of CPU, characterized by, includes:
the first operation module is used for operating a VR power supply pull-load script to determine whether the current VR has a current limiting function or not after a test environment is built;
the second operation module is used for operating a first test script so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR when the current VR has the current limiting function;
the third operation module is used for operating a second test script so as to control the GEN5VRTT fixture to perform simulation test on the power supply stability of the current VR when the current VR does not have the current limiting function;
and the acquisition module is used for acquiring a simulation test result captured by the oscilloscope so as to determine the power supply stability of the current VR.
9. A testing device for VR power supply stability of a CPU is characterized by comprising a memory, a power supply module and a power supply module, wherein the memory is used for storing a computer program;
a processor for implementing the steps of the method of testing VR supply stability of a CPU as claimed in any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, carries out the steps of the method of testing VR supply stability of a CPU as claimed in any one of claims 1 to 6.
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