CN113448803A - Method and device for monitoring CPU - Google Patents
Method and device for monitoring CPU Download PDFInfo
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- CN113448803A CN113448803A CN202110712680.XA CN202110712680A CN113448803A CN 113448803 A CN113448803 A CN 113448803A CN 202110712680 A CN202110712680 A CN 202110712680A CN 113448803 A CN113448803 A CN 113448803A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3024—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a central processing unit [CPU]
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
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Abstract
The invention belongs to the technical field of computers, and provides a method and a device for monitoring a CPU (Central processing Unit), wherein the method comprises the following steps: acquiring the total CPU use time and the CPU use time of a thread; calculating the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread; and loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU. In the system operation, the invention can read the CPU use time stamp and obtain the time stamp of each thread operation at intervals, obtain the time that each thread occupies the CPU at the current moment through calculation, filter out the thread with abnormal occupancy rate, then report to the background, and the background can inquire and repair correspondingly.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method and an apparatus for CPU monitoring.
Background
During the development process, some apps (software) often cause self function exception due to the problem of writing code, and further cause system exception. Some exceptions hidden deeply exist, but the exceptions are often appeared or discovered when applied in the market, and if the exceptions appear, the use of the user is greatly influenced.
In an actual application scenario, for example, software on the family education machine is distributed in various places after the family education machine is sold comprehensively, and time cost and labor cost are increased when abnormal conditions are collected and processed due to distance.
Disclosure of Invention
The invention provides a method and a device for monitoring a CPU (central processing unit), which are used for solving the problems.
The technical scheme provided by the invention is as follows:
in one aspect, a method of CPU monitoring includes the steps of:
acquiring the total CPU use time and the CPU use time of a thread;
calculating the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread;
and loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU.
Further preferably, the acquiring the total CPU usage time includes:
acquiring a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval through a Linux interface;
and calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
Further preferably, the calculating a total CPU usage duration within the preset time based on the first total CPU timestamp and the second total CPU timestamp includes:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
Further preferably, the obtaining of the CPU utilization duration of the thread includes:
acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface;
and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
Further preferably, the calculating the CPU usage duration of the thread within the preset time based on the first CPU timestamp and the second CPU timestamp includes:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
In another aspect, an apparatus for CPU monitoring is provided, including:
the acquiring module is used for acquiring the total CPU use time and the CPU use time of the thread;
the computing module is used for computing the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread;
and the loading module is used for loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU.
Further preferably, the obtaining module is further configured to:
acquiring a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval through a Linux interface;
and calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
Further preferably, the obtaining module is further configured to:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
Further preferably, the obtaining module is further configured to:
acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface;
and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
Further preferably, the obtaining module is further configured to:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
The method and the device for monitoring the CPU provided by the invention at least have the following beneficial effects:
in the system operation, the invention can read the CPU use time stamp and obtain the time stamp of each thread operation at intervals, obtain the time that each thread occupies the CPU at the current moment through calculation, filter out the thread with abnormal occupancy rate, then report to the background, and the background can inquire and repair correspondingly.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic flow chart diagram illustrating one embodiment of a method of CPU monitoring of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a CPU monitoring apparatus according to the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Example one
In one aspect, a method of CPU monitoring includes the steps of:
s100, acquiring the total CPU use time and the CPU use time of the thread.
Specifically, a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval are obtained through a Linux interface; and calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
Preferably, the calculating the total CPU usage duration within the preset time based on the first total CPU timestamp and the second total CPU timestamp includes:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
The total CPU usage duration refers to the total CPU usage duration before the current time.
Illustratively, CPU timestamp related information may be obtained through a Linux interface for _ reach _ permissible _ CPU (), where user, nice, system, idle, iowait, irq, softirq, stealstolen, and guest information may be obtained, and these timestamp information may be added up to obtain totalcpputime before this time.
Preferably, the obtaining of the CPU usage duration of the thread includes: acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface; and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
Preferably, the calculating the CPU usage duration of the thread within the preset time based on the first CPU timestamp and the second CPU timestamp includes:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
Illustratively, through the linux interface for _ reach _ process (), the duration of each thread using the CPU from the beginning (the loop obtains the CPU time of all the current threads).
The CPU use time totalcPuTime1 at the time of T1 is obtained at the current time, and the CPU use time pid _ num _ T1 of a certain thread is obtained.
After the interval time TG, the using time totalcupime 2 of the CPU at the time instant T2 is obtained through the Linux interface, and the CPU time pid _ num _ T1 used by a certain thread is obtained through the Linux interface.
Wherein totalcpputime 2-totalcpputime 1 ═ totalcppttimtg, which is the total time of CPU usage in the time period from T1 to T2.
pid _ num _ T2-pid _ num _ T1 ═ pid _ num _ T, i.e., the CPU time used by the thread pid _ num in the period from T1 to T2.
S200, calculating the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread.
Specifically, the calculation formula of the CPU occupancy rate is:
pid _ num _ t/totalcpputemtg 100% ═ CPU occupancy used by each thread in the TG period.
S300, the threads with the CPU occupancy rates exceeding the preset CPU occupancy rates are loaded with the current log files to monitor and analyze the CPUs.
Specifically, the thread with an abnormally high degree is filtered (for example, more than 98% of the thread is occupied for a long time), the current log is loaded (for a background engineer to analyze the problem), and the current log is uploaded to the background synchronously.
In this embodiment, when the system is stuck, the system actually sends the stuck at the previous time point, rather than finding the current time of the stuck, the current time and the actual time of the stuck are delayed. The embodiment can calculate the monitored data of the previous Kanton time so as to monitor the operation of the CPU.
In the system operation, the invention can read the CPU use time stamp and obtain the time stamp of each thread operation at intervals, obtain the time that each thread occupies the CPU at the current moment through calculation, filter out the thread with abnormal occupancy rate, then report to the background, and the background can inquire and repair correspondingly.
Example two
On the other hand, as shown in fig. 2, the present embodiment provides an apparatus for CPU monitoring, including:
an obtaining module 101, configured to obtain a total CPU usage duration and a CPU usage duration of a thread;
a calculating module 102, configured to calculate a CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread;
and the loading module 103 is used for loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU.
Preferably, the obtaining module is further configured to:
and acquiring a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval through a Linux interface.
And calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
Preferably, the obtaining module is further configured to:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
Preferably, the obtaining module is further configured to:
acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface;
and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
Preferably, the obtaining module is further configured to:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
Illustratively, the following steps may be executed by the CPU monitoring apparatus of the present embodiment:
1. information related to the CPU timestamp can be obtained through the Linux interface for _ reach _ permissible _ CPU (), where user, nice, system, idle, iowait, irq, softirq, stealstolen, and gust information can be obtained, and these times are added up to obtain totalcpputetime before this time.
2. Through the linux interface for _ reach _ process (), the time length of each thread using the CPU from the beginning (the loop obtains the CPU time of all the current threads).
3. At the current moment, the use duration totalcpputime 1 of the CPU at the time of T1 is obtained through step 1, and the CPU duration pid _ num _ T1 used by a certain thread is obtained through step 2.
4. After the interval time TG, the CPU usage duration totalcpputime 2 of T2 time is obtained in step 1, and the CPU usage duration pid _ num _ T1 of a certain thread is obtained in step 2.
Totalcpputime 2-totalcpputime 1 ═ totalcppttimtg, i.e. the total time of CPU usage over the period from T1 to T2; pid _ num _ T2-pid _ num _ T1 ═ pid _ num _ T, i.e., the CPU time used by the thread pid _ num in the period from T1 to T2.
Pid _ num _ t/totalcpputemtg 100% ═ CPU occupancy used by each thread in the TG period.
7. The thread with the exception height is filtered (for example, more than 98 percent of the thread is occupied for a long time), and the current log (used for analyzing problems by background engineers) is loaded and uploaded to the background together.
In the embodiment, the distance problem is solved by using the method, because the home education machine is sold in all places after sale.
For example, if each machine generates abnormal information, the information related to the abnormality can be actively reported. After the background engineer acquires the information, the problem can be analyzed and repaired.
Then, upon a version update, some of the solutions to the problem are synchronized to the user's machine so that the user's machine usage will get better, rather than worse.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described system embodiments are merely exemplary, and it is exemplary that the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, and it is exemplary that a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method of CPU monitoring, comprising the steps of:
acquiring the total CPU use time and the CPU use time of a thread;
calculating the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread;
and loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU.
2. The method for monitoring the CPU according to claim 1, wherein the step of obtaining the total CPU usage time comprises the steps of:
acquiring a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval through a Linux interface;
and calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
3. The method for monitoring the CPU according to claim 2, wherein the step of calculating the total CPU usage duration within the preset time based on the first total CPU timestamp and the second total CPU timestamp comprises the steps of:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
4. The method for monitoring the CPU according to claim 2, wherein the step of obtaining the CPU usage duration of the thread comprises the steps of:
acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface;
and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
5. The CPU monitoring method according to claim 4, wherein said calculating the CPU usage duration of said thread within said preset time based on said first CPU timestamp and said second CPU timestamp comprises the steps of:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
6. An apparatus for CPU monitoring, comprising:
the acquiring module is used for acquiring the total CPU use time and the CPU use time of the thread;
the computing module is used for computing the CPU occupancy rate of the thread in the preset time period based on the CPU timestamp information and the CPU usage duration of the thread;
and the loading module is used for loading the thread with the CPU occupancy rate exceeding the preset CPU occupancy rate and the current log file so as to monitor and analyze the CPU.
7. The CPU monitoring apparatus of claim 6, wherein the obtaining module is further configured to:
acquiring a first total CPU time stamp at the current moment and a second total CPU time stamp after a preset time interval through a Linux interface;
and calculating the total CPU use time length in the preset time based on the first total CPU time stamp and the second total CPU time stamp.
8. The CPU monitoring apparatus of claim 7, wherein the obtaining module is further configured to:
calculating the corresponding first total CPU use duration based on the first total CPU timestamp;
calculating corresponding second total CPU usage duration based on the second total CPU timestamp;
and calculating to obtain the total CPU use time length in the preset time by using the first total CPU use time length and the second total CPU use time length.
9. The CPU monitoring apparatus of claim 7, wherein the obtaining module is further configured to:
acquiring a first CPU time stamp of the thread at the current moment and a second CPU time stamp after the preset time interval through a Linux interface;
and calculating the CPU service time of the thread in the preset time based on the first CPU time stamp and the second CPU time stamp.
10. The CPU monitoring apparatus of claim 9, wherein the obtaining module is further configured to:
calculating the corresponding first CPU service time length based on the first CPU time stamp;
calculating the corresponding second CPU use duration based on the second CPU timestamp;
and calculating the CPU use duration of the thread in the preset time by using the first CPU use duration and the second CPU use duration.
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| CN202110712680.XA CN113448803A (en) | 2021-06-25 | 2021-06-25 | Method and device for monitoring CPU |
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| CN202110712680.XA CN113448803A (en) | 2021-06-25 | 2021-06-25 | Method and device for monitoring CPU |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020026291A1 (en) * | 2000-08-28 | 2002-02-28 | Lg Electronics Inc. | Method for measuring quantity of usage of CPU |
| CN103455407A (en) * | 2013-09-03 | 2013-12-18 | 小米科技有限责任公司 | Mobile terminal CPU (Central Processing Unit) occupation rate monitoring method and device and mobile terminal |
| CN108681498A (en) * | 2018-03-23 | 2018-10-19 | 维沃移动通信有限公司 | Method, device and mobile terminal for monitoring CPU usage |
-
2021
- 2021-06-25 CN CN202110712680.XA patent/CN113448803A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020026291A1 (en) * | 2000-08-28 | 2002-02-28 | Lg Electronics Inc. | Method for measuring quantity of usage of CPU |
| CN103455407A (en) * | 2013-09-03 | 2013-12-18 | 小米科技有限责任公司 | Mobile terminal CPU (Central Processing Unit) occupation rate monitoring method and device and mobile terminal |
| CN108681498A (en) * | 2018-03-23 | 2018-10-19 | 维沃移动通信有限公司 | Method, device and mobile terminal for monitoring CPU usage |
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Application publication date: 20210928 |