CN110647419A - Fault detection method and device, computer storage medium and terminal - Google Patents
Fault detection method and device, computer storage medium and terminal Download PDFInfo
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Abstract
A method, a device, a computer storage medium and a terminal for fault detection are provided, which comprises: when a system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU); determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU; wherein the system exception comprises: the system response time is longer than the first preset time. The embodiment of the invention improves the efficiency of fault detection; furthermore, the related code information of the system exception is determined according to the memory use information and the stack information of the exception thread.
Description
Technical Field
The present disclosure relates to, but not limited to, automatic detection technology, and more particularly, to a method, an apparatus, a computer storage medium, and a terminal for fault detection.
Background
During the on-line of the electronic product, the fault of the electronic product needs to be detected, for example, some memory leakage problems are often encountered, so that the system is stuck for a period of time, the application operation of a user needs a long time to obtain a response, and finally, the service may be crashed; developers find that the utilization rate of a Central Processing Unit (CPU) of the application server is very high through monitoring, but an effective solution is not available, and the problem can be solved only by a plurality of complicated methods which take a long time. Therefore, how to effectively detect the fault becomes a problem to be solved.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides a fault detection method and device, a computer storage medium and a terminal, which can improve the efficiency of fault detection.
The embodiment of the invention provides a fault detection method, which comprises the following steps:
when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU);
determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time.
In an exemplary embodiment, the operation-related information includes:
stack information of the exception thread;
wherein the exception thread comprises: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
In an exemplary embodiment, the memory usage information includes information of one or any combination of the following:
whether the memory occupation of the Eden region of the Eden garden is more than a third preset percentage or not;
whether the memory occupation of the Old area is greater than a fourth preset percentage or not;
and the time consumed by each garbage recovery Full GC is longer than a third preset time.
In an exemplary embodiment, the memory usage information includes: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the determining the relevant information causing the system abnormity according to the acquired running relevant information and the memory use information of the CPU comprises the following steps:
and determining that the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, the memory occupation of the Old area is greater than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormality according to the stack information of the abnormal thread when the time consumed by the garbage collection Full GC is greater than a third preset time.
In an exemplary embodiment, the determining, according to the stack information of the exception thread, relevant code information causing a system exception includes:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
On the other hand, an embodiment of the present invention further provides a device for fault detection, including: an acquisition unit and a determination unit; wherein,
the acquisition unit is used for: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU);
the determination unit is used for: determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time.
In an exemplary embodiment, the determining unit is specifically configured to:
determining that the memory occupation of an Eden area of an Eden park is larger than a third preset percentage and the memory occupation of an Old area is larger than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormity according to stack information of the abnormal thread when the time consumed by garbage recycling Full GC is larger than a third preset time;
wherein the operation related information comprises stack information of the abnormal thread; the memory usage information includes: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the exception thread includes: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
In an exemplary embodiment, the determining unit is configured to determine relevant code information causing a system exception according to stack information of the exception thread, and includes:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
In still another aspect, an embodiment of the present invention further provides a computer storage medium, where computer-executable instructions are stored in the computer storage medium, and the computer-executable instructions are used to execute the above fault detection method.
In another aspect, an embodiment of the present invention further provides a terminal, including: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
the program instructions read on the processor to perform the above-described method of fault detection.
Compared with the related art, the technical scheme of the application comprises the following steps: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU); determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU; wherein the system exception comprises: the system response time is longer than the first preset time. The embodiment of the invention improves the efficiency of fault detection; furthermore, the related code information of the system exception is determined according to the memory use information and the stack information of the exception thread.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a method of fault detection in accordance with an embodiment of the present invention;
fig. 2 is a block diagram of a fault detection apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a fault detection method according to an embodiment of the present invention, as shown in fig. 1, including:
in an exemplary embodiment, the operation-related information includes:
stack information of the exception thread;
wherein the exception thread comprises: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
The embodiment of the invention comprises the following steps: the first preset percentage may be determined by a person skilled in the art according to the relevant information of the system abnormality, for example, the first preset percentage may be a value of 70% to 100%; the second predetermined percentage may be set empirically by a person skilled in the art, for example by setting the second percentage to a value greater than 70%; the second preset duration and the preset value can be set by a person skilled in the art according to empirical values, for example, more than 10 seconds; the preset value may be a value greater than or equal to 5;
in an exemplary embodiment, the memory usage information includes information of one or any combination of the following:
whether the memory occupation of the Eden region of the Eden garden is more than a third preset percentage or not;
whether the memory occupation of the Old area is greater than a fourth preset percentage or not;
and the time consumed by each garbage recovery Full GC is longer than a third preset time.
It should be noted that, in the embodiment of the present invention, the third preset percentage may be a value between 99% and 100%, and the fourth preset percentage may be a value between 99% and 100%; the garbage recovery duration can be calculated and obtained based on a correlation principle; the third preset duration may be determined by one skilled in the art based on empirical analysis, and may be, for example, greater than or equal to 3 seconds.
In an exemplary embodiment, the embodiment of the present invention may obtain the running related information and the memory usage information through a Java (Java) -jstack (jstack is a thread stack analysis tool that is provided by jdk itself and can be used to view or derive the thread stack information in the Java application program), where jstack is used to generate a thread snapshot of the virtual machine at the current time, that is, the current stack state of all threads, and by analyzing the current stack state, we can know what resources the current thread is waiting for and occupies.
It should be noted that, in the embodiment of the present invention, a secure shell protocol (SSH) tool may be used to remotely connect to a server, find whether the usage rate of a CPU of a system is greater than a first preset percentage through a resource manager (top command), and determine a PID of a process in which the CPU occupies a second preset percentage; checking an abnormal THREAD with a non-zero CPU occupancy rate and a duration longer than a second preset duration through a related command (such as a ps-mp pid-o read, tid, time command), and determining whether the abnormal THREAD is longer than a preset value; if the memory leakage problem exists, the abnormal thread can be determined to comprise a garbage recovery (gc) thread through a related instruction (for example, a jsackpid | grep tid-A30 instruction); the embodiment of the invention determines the memory use information by using the related command (such as a jstat-gcutil command with a command format: jstat-gcutil PID 200010) for inquiring the memory. From the above information, it can be basically determined that a problem occurs in the program code, there may be places where an object is unreasonably created,
102, determining relevant information causing system abnormity according to the acquired running relevant information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time. Here, the first preset time period may be set by a person skilled in the art according to an empirical value, for example, any value greater than 3 seconds.
In an exemplary embodiment, the memory usage information includes: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the determining the relevant information causing the system abnormity according to the acquired running relevant information and the memory use information of the CPU comprises the following steps:
and determining that the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, the memory occupation of the Old area is greater than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormality according to the stack information of the abnormal thread when the time consumed by the garbage collection Full GC is greater than a third preset time.
In an exemplary embodiment, the determining, according to the stack information of the exception thread, relevant code information causing a system exception includes:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
The embodiment of the invention can use a jstack command to check the stack condition of the process, search the relevant information with an item directory and the thread state being RUNNABLE through the editor, and position the code layer related to the system exception according to the relevant information of the thread state being RUNNABLE. The embodiment of the invention can feed back the code layer related to the positioned system abnormity to the developer, and the developer can carry out fault elimination. According to the embodiment of the invention, a jstack tool is adopted to quickly locate the system abnormity (including the memory leakage problem), and the related codes of the system abnormity can be quickly located during the online operation of the product, so that the stable operation of the system is guaranteed, the operation and maintenance time cost is reduced, and the user experience effect is improved.
Compared with the related art, the technical scheme of the application comprises the following steps: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU); determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU; wherein the system exception comprises: the system response time is longer than the first preset time. The embodiment of the invention improves the efficiency of fault detection; furthermore, the related code information of the system exception is determined according to the memory use information and the stack information of the exception thread.
Fig. 2 is a block diagram of a fault detection apparatus according to an embodiment of the present invention, as shown in fig. 2, including: an acquisition unit and a determination unit; wherein,
the acquisition unit is used for: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU);
in an exemplary embodiment, the operation-related information includes:
stack information of the exception thread;
wherein the exception thread comprises: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
The embodiment of the invention comprises the following steps: the first preset percentage may be determined by a person skilled in the art according to the relevant information of the system abnormality, for example, the first preset percentage may be a value of 70% to 100%; the second predetermined percentage may be set empirically by a person skilled in the art, for example by setting the second percentage to a value greater than 70%; the second preset duration and the preset value can be set by a person skilled in the art according to empirical values, for example, more than 10 seconds; the preset value may be a value greater than or equal to 5;
in an exemplary embodiment, the memory usage information includes information of one or any combination of the following:
whether the memory occupation of the Eden region of the Eden garden is more than a third preset percentage or not;
whether the memory occupation of the Old area is greater than a fourth preset percentage or not;
and the time consumed by each garbage recovery Full GC is longer than a third preset time.
It should be noted that, in the embodiment of the present invention, the third preset percentage may be a value between 99% and 100%, and the fourth preset percentage may be a value between 99% and 100%; the garbage recovery duration can be calculated and obtained based on a correlation principle; the third preset duration may be determined by one skilled in the art based on empirical analysis, and may be, for example, greater than or equal to 3 seconds.
The determination unit is used for: determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time. Here, the first preset time period may be set by a person skilled in the art according to an empirical value, for example, any value greater than 3 seconds.
In an exemplary embodiment, the determining unit is specifically configured to:
determining that the memory occupation of an Eden area of an Eden park is larger than a third preset percentage and the memory occupation of an Old area is larger than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormity according to stack information of the abnormal thread when the time consumed by garbage recycling Full GC is larger than a third preset time;
wherein the operation related information comprises stack information of the abnormal thread; the memory usage information includes: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the exception thread includes: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
In an exemplary embodiment, the determining unit is configured to determine relevant code information causing a system exception according to stack information of the exception thread, and includes:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
Compared with the related art, the technical scheme of the application comprises the following steps: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU); determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU; wherein the system exception comprises: the system response time is longer than the first preset time. The embodiment of the invention improves the efficiency of fault detection; furthermore, the related code information of the system exception is determined according to the memory use information and the stack information of the exception thread.
The embodiment of the invention also provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used for executing the fault detection method.
An embodiment of the present invention further provides a terminal, including: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
the program instructions read on the processor to perform the above-described method of fault detection.
"one of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art. "
Claims (10)
1. A method of fault detection, comprising:
when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU);
determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time.
2. The method of claim 1, wherein the run-related information comprises:
stack information of the exception thread;
wherein the exception thread comprises: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
3. The method of claim 1, wherein the memory usage information comprises information of one or any combination of the following:
whether the memory occupation of the Eden region of the Eden garden is more than a third preset percentage or not;
whether the memory occupation of the Old area is greater than a fourth preset percentage or not;
and the time consumed by each garbage recovery Full GC is longer than a third preset time.
4. The method according to any one of claims 1 to 3, wherein the memory usage information comprises: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the determining the relevant information causing the system abnormity according to the acquired running relevant information and the memory use information of the CPU comprises the following steps:
and determining that the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, the memory occupation of the Old area is greater than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormality according to the stack information of the abnormal thread when the time consumed by the garbage collection Full GC is greater than a third preset time.
5. The method of claim 4, wherein determining relevant code information that causes a system exception based on stack information of the exception thread comprises:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
6. An apparatus for fault detection, comprising: an acquisition unit and a determination unit; wherein,
the acquisition unit is used for: when the system is abnormal, acquiring the memory use information of the system and the operation related information of a Central Processing Unit (CPU);
the determination unit is used for: determining related information causing system abnormity according to the acquired running related information and memory use information of the CPU;
wherein the system exception comprises: the system response time is longer than the first preset time.
7. The apparatus according to any of the claims 6, wherein the determining unit is specifically configured to:
determining that the memory occupation of an Eden area of an Eden park is larger than a third preset percentage and the memory occupation of an Old area is larger than a fourth preset percentage according to the memory use information, and determining related code information causing system abnormity according to stack information of the abnormal thread when the time consumed by garbage recycling Full GC is larger than a third preset time;
wherein the operation related information comprises stack information of the abnormal thread; the memory usage information includes: whether the memory occupation of the Eden area of the Eden garden is greater than a third preset percentage, whether the memory occupation of the Old area is greater than a fourth preset percentage, and the time consumption of each garbage recycling Full GC is greater than a third preset time; the exception thread includes: the process of the preset running state comprises the following steps: the CPU occupancy rate is non-zero, and the duration of the continuous occupancy is longer than any one of the abnormal threads with preset values of a second preset duration; the preset operation state comprises the following steps: the CPU occupancy rate is greater than a first preset percentage, and the CPU occupies a process exceeding a second preset percentage.
8. The apparatus of claim 7, wherein the determining unit is configured to determine relevant code information causing a system exception according to stack information of the exception thread, and includes:
determining related information with a runnable state in the stack information of the exception thread, and determining related code information causing the system exception according to the related information with the runnable state.
9. A computer storage medium having stored therein computer-executable instructions for performing the method of fault detection of any of claims 1-5.
10. A terminal, comprising: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
program instructions read on a processor to perform the method of fault detection of any of claims 1 to 5.
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| CN112035322A (en) * | 2020-09-01 | 2020-12-04 | 中国银行股份有限公司 | JVM monitoring method and device |
| CN112035322B (en) * | 2020-09-01 | 2023-08-22 | 中国银行股份有限公司 | JVM monitoring method and device |
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Application publication date: 20200103 |