CN1752941A - Device and method for internal storage monitoring - Google Patents
Device and method for internal storage monitoring Download PDFInfo
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- CN1752941A CN1752941A CN 200410078085 CN200410078085A CN1752941A CN 1752941 A CN1752941 A CN 1752941A CN 200410078085 CN200410078085 CN 200410078085 CN 200410078085 A CN200410078085 A CN 200410078085A CN 1752941 A CN1752941 A CN 1752941A
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Abstract
The present invention discloses an internal memory monitoring method. Said method includes the following steps: when said method is used, firstly, obtaining address parameter of monitored embedded system, then obtaining internal memory application information of the described monitored embedded system according to the described address parameter; then real-tim updating the obtained internal memory application information; finally placing the updated internal memory application information into historical data and utilizing the described historical data to form internal memory application state diagram.
Description
Technical field
The present invention relates to the method and the instrument of internal memory monitoring, refer to a kind of internal memory monitoring device and method of embedded system especially.
Background technology
In the system based on computing machine, the availability of internal memory directly has influence on the performance of this system.Embedded system for example, missile guidance from household electrical appliance to the key and aerospace system all have been extensive use of embedded system.Described embedded system is made of specialized hardware and mutual with it software programmable assembly, and in this system, software provides function and dirigibility, and hardware then provides performance.Software systems that operate on the embedded hardware platform of being made up of embedded OS and service application software are called embedded software system.Described embedded OS is by the very little kernel module of code size and can form according to the system function module that uses needs to reduce, can operate on the various hardware platform, for the operation of this system provides the most basic program run environment and interface, be the basis of application software operation, and abundant middleware support is provided.
Be the operation of embedded OS or the support that the operation of various service applications software all be unable to do without internal memory.Because in the use wrong of internal memory or in managerial defective will make internal memory be fallen by slow consumption along with the long-play of system, causes leisureless internal memory to use, this phenomenon is referred to as memory overflow.Memory overflow is very big to the embedded software system influence with memory management function, will cause system business to interrupt even system's machine of delaying.For the monitoring of memory overflow, must under the condition of the long-time not interrupt run of system, could find by real-time monitoring and data recording to the Installed System Memory operating position.
A kind of device of internal memory monitoring comprises operating unit and Interpretation unit, the operating position of coming the current internal memory of inquiry system by described operating unit input command.The general command line interface that all can provide internal memory monitoring in the embedded software system with memory management mechanism, this method utilizes described interface directly in the order of terminal input inquiry internal memory operating position, can know the operating position of the current internal memory of system.
This kind internal memory monitoring method can only could obtain the current operating position of internal memory when the order of input inquiry internal memory operating position, every inquiry one less important execution one query order, and the inquiry interruption does not have real-time, and complex operation; Display memory usage statistics intuitively; And can only reflect the operating position that internal memory is current, can not reflect the historical operating position of internal memory, thereby can't obtain the variation tendency of internal memory operating position; The internal memory operating position that is obtained can not real-time automatic recording, record manually.
Another kind of internal memory monitoring device comprises operating unit and is used for regularly that audit memory uses the Interpretation unit of information and display monitoring result's display unit, and described Interpretation unit is the TCL interpreter; Generate the operating unit of user's operation and be used for the display unit that display memory uses information by the TCL script.When carrying out internal memory monitoring, at first import the link informations such as IP address, ID of tested embedded system at operating unit, notify the TCL interpreter to start monitor procedure then; The TCL interpreter is set up interface channel with monitored system by serial communication or tcp/ip communication passage, regularly send the order of the operating position of audit memory to monitored system, then the current memory usage information that tested embedded system is returned is analyzed, and then the memory usage information after will analyzing is presented in the display unit, as shown in Figure 1.Be described display unit at form shown in Figure 1, each row is respectively from left to right: type of memory (Type), internal memory total block data (Total), free memory block number (Free), use peak value (Peak), the application frequency of failure (Malloc_Fail), free memory block release failure number of times (Free_Fail), memory block end address (PTBB_Base) and memory block start address (Pl_Base), each row represents the value of the internal memory operating position of one type of memory block and each cell in the form all with numeric representation, for example, value (the pt32 of the row of first among Fig. 1,8000,6915-17,1212,0,0,0x01800000,0x0190d4e8).By observing the variation of each type memory block distribution condition numeral in the chart, analyze and whether had a memory overflow.
This kind internal memory monitoring method need be analyzed according to numeral and form Display memory usage statistics, and then judges whether that the method that memory overflow takes place lacks intuitive; In addition, the historical data of internal memory operating position is not carried out record equally, can not obtain the historical trend that the internal memory operating position changes.
Summary of the invention
The problem to be solved in the present invention provides a kind of device and method of internal memory monitoring, and the use history of display memory is learnt the historical trend that the internal memory operating position changes intuitively.
In order to address the above problem, the technical solution used in the present invention is: a kind of device of internal memory monitoring is provided, has comprised:
Operating unit is used to send the address parameter of monitored embedded system and controls monitor procedure;
Interpretation unit is used to receive the address parameter of described monitored embedded system, and regularly obtains the memory usage information of monitored embedded system according to described address parameter;
Display unit;
Also comprise: processing unit comprises real time data renewal subelement, incident subelement, event response subelement, generates the Data Update subelement;
Described real time data is upgraded described memory usage information real-time update and the notification event subelement of subelement to being obtained;
Described incident subelement notification event response subelement is new data more;
The memory usage information that described event response subelement upgrades after subelement upgrades according to described real time data generates historical data;
Described generation Data Update subelement generates the internal memory user mode figure of described monitored embedded system according to described historical data.
Wherein, described device also comprises: the interface unit that is used for the address parameter of monitored embedded system is passed to Interpretation unit.
Wherein, described interface unit comprises that being used to formulate timing reads the timer in described memory usage information cycle.
Further, described device also comprises: the storage unit that is used to store described memory usage information.
Wherein, described video data updating block also comprises the historical data unit that are used to show all moment memory usage informations.
Further, the present invention also provides a kind of method of internal memory monitoring, is used for above-mentioned internal memory monitoring device, comprises step:
(1) obtains the address parameter of monitored embedded system;
(2) obtain the memory usage information of described monitored embedded system according to described address parameter;
(3) memory usage information that real-time update obtains;
(4) memory usage information after will upgrading is listed historical data in, and generates internal memory user mode figure according to described historical data.
Wherein, step (1) concrete steps are:
A, interface unit obtain the address parameter of described monitored embedded system;
B, Interpretation unit are obtained described address parameter from described interface unit.
Wherein, also comprise step between step (2) and the step (3):
(A) described interface unit is created storage unit;
(B) described Interpretation unit deposits described memory usage information in described storage unit;
(C) described interface unit regularly obtains described memory usage information from storage unit.
Wherein, step (4) also comprises step: the historical data that shows described memory usage information.
Compared with prior art, beneficial effect of the present invention: when utilizing the device and method of internal memory monitoring provided by the invention that monitored embedded system is carried out internal memory monitoring, real time data is upgraded subelement by regularly the memory usage information that obtains from Interpretation unit being carried out real-time update, upgrade historical data by event response subelement notice video data updating block then, form with figure shows that the internal memory of monitored system uses historical trend then, can observe the internal memory operating position of tested embedded system intuitively, be convenient to find the defective of internal memory use aspect, the raising testing efficiency reaches the location rate to the internal memory leakage defect, thereby improves the accuracy and the efficient of dealing with problems; And described internal memory monitoring device self-timing obtains memory usage information, and needn't every inquiry once carry out the one query order, and is simple to operate and have a real-time.
In addition, the video data updating block of internal memory monitoring device of the present invention also provides the historical data unit that shows historical data, the historical data of internal memory operating position can be preserved automatically and show the analysis after convenient test is finished.
Description of drawings
Fig. 1 is the internal memory operating position display interface figure that adopts a kind of prior art internal memory monitoring method to obtain;
Fig. 2 is the theory structure block diagram of the device of a kind of internal memory monitoring of the present invention;
Fig. 3 is the concrete implementation step of the method for internal memory monitoring of the present invention;
Fig. 4 is a TCL interpreter workflow synoptic diagram of the present invention;
Fig. 5 is the operating unit synoptic diagram of internal memory monitoring device of the present invention;
Fig. 6 is that the demonstration historical data unit of processing unit of the present invention is to the memory usage information display result;
Fig. 7 is the display result of the demonstration historical trend zone of processing unit of the present invention to the historical trend of internal memory use.
Embodiment
The invention provides a kind of device of internal memory monitoring, comprising: operating unit is used to send the address parameter of monitored embedded system and controls monitor procedure; Interpretation unit is used to receive the address parameter of described monitored embedded system, and regularly obtains the memory usage information of monitored embedded system according to described address parameter; Processing unit comprises real time data renewal subelement, incident subelement, event response subelement, generates the Data Update subelement.
In addition, comprise that also the address parameter that is used for monitored embedded system passes to the interface unit of Interpretation unit and the storage unit that is used to store described memory usage information.
When using the present invention to carry out internal memory monitoring, at first import the address parameters such as IP address, ID of tested embedded system at operating unit, start monitor procedure by interface unit notice Interpretation unit then; Interpretation unit is set up interface channel with monitored system by serial communication or tcp/ip communication passage, regularly send the order of the operating position of audit memory to monitored system, then the current memory usage information that tested embedded system is returned is analyzed, and stores memory usage information into described storage unit; Interface unit is created timer, regularly obtains memory usage information from described storage unit; Described real time data is upgraded subelement and is obtained described memory usage information and real-time update, and the memory usage information that described real time data is upgraded after subelement upgrades by the event response subelement is delivered to the video data updating block then; Described generation Data Update subelement memory usage information that analysis obtains also upgrades the internal memory user mode of described monitored embedded system.
Fig. 2 is the theory structure block diagram of a specific embodiment of internal memory monitoring device of the present invention.
The present invention is in order to simplify development process, on the basis of test practice, based on TCL (ToolCommand Language, a kind of general script) real-time formula RTD, COM (the Common Object Model of script, Excel, common object model) server and VBA functions such as (Visual Basic forApplication, the VB that is embedded among the Office uses) realizes.As shown in the figure, operating unit 1 of the present invention is made by different Excel forms respectively with processing unit 5; Described interface unit 2 as middleware is finished by the com server that comprises the IrtdServer interface; The temporary file txtfile that com server generates is as the storage unit in the present embodiment 3; Interpretation unit 4 in the present embodiment is TCL interpreters.And the real time data of described processing unit renewal subelement is the A1 cell with real-time formula RTD of Excel; The incident subelement is the Calculate incident that Excel carries; The event response subelement is generated by the VBA script; Generating the Data Update subelement is to utilize the graphical display function of Excel to realize.
Below introduce the major function and the configuration of each unit of the present invention in order to realize that described function needs.
As the com server of interface unit 2 address parameter of monitored embedded system is passed to the TCL interpreter, regularly from temporary file, read memory usage information and upgrade the data of processing unit.After com server brings into operation, will create a timer and temporary file, from described temporary file, read the memory usage information of monitored system at set intervals;
The TCL interpreter is regularly inquired about monitored embedded system and is upgraded the content of temporary file.The TCL interpreter regularly sends querying command to monitored system; Receive the information of the Memory Allocation situation that monitored system returns when the TCL interpreter after,, empty its content, then the current memory information of receiving is write file, close this document at last opening the temporary file that com server is created;
For the ease of the query history record, the present invention is designed to processing unit to show two different unit of historical data and the constitutional diagram of display memory change histories.After com server is necessarily handled described memory usage information, be presented at the historical data unit of processing unit as the data value of A1 cell.These operations all are to finish by the IRtdServer interface of com server.For beautiful interface, the A1 cell is hidden.Processing unit utilizes the powerful chart Presentation Function of EXCEL then, directly the mode of the historical data of the Memory Allocation that is presented at the historical data unit by figure is presented at the historic state zone.
The present invention also provides a kind of and has utilized above-mentioned internal memory monitoring device to carry out the method for internal memory monitoring.Fig. 3 to Fig. 4 is the concrete implementation step of the method for described internal memory monitoring:
When needs carry out policer operation, at first in operating unit, import the address parameter (step 31) of monitored embedded system;
Then, the user presses START button and starts internal memory monitoring process (step 32), and the address parameter of monitored system is passed to com server.
Then, after com server brings into operation, finish following operation:
Step 33 is used described address parameter assembling temporary file name, and is created this temporary file uses information as stored memory storage unit;
Step 35 is created timer, reads the memory usage information of monitored system in the temporary file of creating from step 33 every the set time;
TCL interpreter and com server are parallel runnings, and Fig. 4 is a TCL interpreter workflow synoptic diagram.After the TCL interpreter is activated, will finish following operation:
Step 42 is to monitored system cycle transmission querying command;
Monitored system is received after the described querying command, will return the information of current Memory Allocation situation to the TCL interpreter; The TCL interpreter is received after this information, just opens the temporary file that com server is created, and empties its content, then the current memory information of receiving is write file (step 43);
Com server after reading the temporary file content at every turn, and the ITDUpdateEvent interface of calling excel is notified the change (step 36) of memory usage information;
The interface function Refreshdata that Excel calls the interface IRtdServer interface of com server obtains memory usage information (step 37);
VBA code in the excel spreadsheet lattice can be monitored the data change of each cell, and after the data of A1 cell had been modified, corresponding event response code will be automatically performed.It decomposes the latest data of A1 cell, appends the historical data unit that is kept at electronic form file, and the chart that updating memory is distributed shows (step 38); Utilize the chart Presentation Function of EXCEL in the constitutional diagram that internal memory uses, to demonstrate result's (step 39) according to the data of historical data unit then.
Step 40 stops monitor procedure, analyzes data.The user can stop real-time information monitoring process by " stopping " button of operating unit.The process that stops is as follows:
The VBA code that " stops " the button correspondence with the content of A1 cell from original "=RTD " reformulation for empty;
Excel monitors after this variation, by IRtdServer interface notice com server, drives com server safety and withdraws from;
Com server stops TCL interpreter subprocess after receiving OPT-OUT NOTICE, withdraw from then.The real-time monitor procedure of internal memory finishes.
The user observes the historical variations trend of internal memory according to the display result of processing unit, and judges thus whether monitored embedded system exists memory overflow, and then the memory block that memory overflow takes place is safeguarded.If the memory block of a certain type As time goes on, its corresponding variation tendency is a tendency upwards, show that the amount of memory that monitored embedded system is assigned with gets more and more, free memory is fewer and feweri, can judge thus that there is memory overflow in this memory block.
In order completely to understand the present invention intuitively, according to the process that the user uses internal memory monitoring device of the present invention, describe the present invention below in conjunction with Fig. 5 to Fig. 7:
At first, opening operation unit in Excel, and input link information, the result is as shown in Figure 5, and is more directly perceived in order to make operation in addition, demonstrates the record strip number that current monitor procedure state and monitoring have obtained on the right side of configuration information;
Import after the correct link information, press START button and begin to carry out real-time memory information monitor procedure;
Check the Memory Allocation situation by processing unit then.The historical data of internal memory will be displayed on the historical data unit of processing unit, and as shown in Figure 6, record of each line display should also demonstrate the current time that writes down this memory information in the zone in addition.
The historical trend zone of processing unit utilizes the powerful chart Presentation Function of Excel, directly the mode of the data in the historical data unit by figure is shown to the user.The Memory Allocation historical variations trend of monitored system is as shown in Figure 7: horizontal ordinate express time, ordinate are represented internal memory usage quantity (piece number), and the colored lines of each bar are wherein represented one type the internal memory variation tendency of usage quantity.In the present embodiment, internal memory diagram has been divided into two forms and has shown, its reason is that dissimilar its maximum quantity difference of memory block is bigger, therefore separately shows so that its demonstration is more directly perceived.
At last, when the user need finish the real-time monitor procedure of internal memory, " stopping " button of push unit finished monitor procedure.
Thereby the user can observe the variation tendency of internal memory judges whether there is memory overflow in the system, if the memory block of a certain type As time goes on, its corresponding lines are tendencies upwards, represent that the quantity of its distribution is increasing, and just there is memory overflow probably in this memory block so.For example:
The memory block of the pt7 type among Fig. 7 in whole monitoring period, reflects that the curve of its historical trend is in rising trend, therefore there is memory overflow probably, and because its historical trend is not in rising trend, therefore there is memory overflow in the memory block of other type scarcely.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1, a kind of device of internal memory monitoring comprises:
Operating unit is used to send the address parameter of monitored embedded system and controls monitor procedure;
Interpretation unit is used to receive the address parameter of described monitored embedded system, and regularly obtains the memory usage information of monitored embedded system according to described address parameter;
Display unit;
It is characterized in that, also comprise:
Processing unit comprises real time data renewal subelement, incident subelement, event response subelement, generates the Data Update subelement;
Described real time data is upgraded described memory usage information real-time update and the notification event subelement of subelement to being obtained;
Described incident subelement notification event response subelement is new data more;
The memory usage information that described event response subelement upgrades after subelement upgrades according to described real time data generates historical data;
Described generation Data Update subelement generates the internal memory user mode figure of described monitored embedded system according to described historical data.
2, the device of a kind of internal memory monitoring according to claim 1 is characterized in that, also comprises: the interface unit that is used for the address parameter of monitored embedded system is passed to Interpretation unit.
3, the device of a kind of internal memory monitoring according to claim 2 is characterized in that: described interface unit comprises that being used to formulate timing reads the timer in described memory usage information cycle.
4, according to the device of claim 1 or 2 or 3 described a kind of internal memory monitorings, it is characterized in that, also comprise: the storage unit that is used to store described memory usage information.
5, according to the device of claim 1 or 2 or 3 described a kind of internal memory monitorings, it is characterized in that: described video data updating block also comprises the historical data unit that are used to show all moment memory usage informations.
6, a kind of method of internal memory monitoring is used for above-mentioned internal memory monitoring device, it is characterized in that, comprises step:
(1) obtains the address parameter of monitored embedded system;
(2) obtain the memory usage information of described monitored embedded system according to described address parameter;
(3) memory usage information that real-time update obtains;
(4) memory usage information after will upgrading is listed historical data in, and generates internal memory user mode figure according to described historical data.
7, the method for internal memory monitoring according to claim 6 is characterized in that, step (1) concrete steps are:
A, interface unit obtain the address parameter of described monitored embedded system;
B, Interpretation unit are obtained described address parameter from described interface unit.
8, the method for internal memory monitoring according to claim 6 is characterized in that, also comprises step between step (2) and the step (3):
(A) described interface unit is created storage unit;
(B) described Interpretation unit deposits described memory usage information in described storage unit;
(C) described interface unit regularly obtains described memory usage information from storage unit.
According to the method for any described internal memory monitoring of claim in the claim 6 to 8, it is characterized in that 9, step (4) also comprises step:
The historical data that shows described memory usage information.
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| CNB2004100780851A CN100382043C (en) | 2004-09-20 | 2004-09-20 | Device and method for internal storage monitoring |
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| CNB2004100780851A CN100382043C (en) | 2004-09-20 | 2004-09-20 | Device and method for internal storage monitoring |
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| CN1752941A true CN1752941A (en) | 2006-03-29 |
| CN100382043C CN100382043C (en) | 2008-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102063363A (en) * | 2010-01-26 | 2011-05-18 | 深圳市同洲电子股份有限公司 | Memory footprint statistical device and method |
| CN102207825A (en) * | 2011-05-23 | 2011-10-05 | 昆山富泰科电脑有限公司 | Method for switching multiple applications in portable multifunctional device and user graphical interface |
| CN102289410A (en) * | 2011-06-30 | 2011-12-21 | 杭州斯凯网络科技有限公司 | Method for monitoring allocation situation of memory based on Media-Tech (MTK) platform |
| CN101763389B (en) * | 2008-12-23 | 2012-02-08 | 中兴通讯股份有限公司 | Device and method for controlling database resource |
| CN104778087A (en) * | 2014-01-09 | 2015-07-15 | 中国移动通信集团山东有限公司 | Information processing method and information processing device |
| CN105224433A (en) * | 2014-06-23 | 2016-01-06 | 阿里巴巴集团控股有限公司 | A kind of internal memory monitoring method and server |
| CN106155860A (en) * | 2015-03-31 | 2016-11-23 | 展讯通信（上海）有限公司 | A kind of internal memory monitoring system and method |
| CN103914366B (en) * | 2013-01-05 | 2017-05-31 | 腾讯科技（深圳）有限公司 | A kind of automatic monitoring application program carries out the method and device of memory information |
| CN103984603B (en) * | 2012-03-31 | 2017-12-05 | 华为技术有限公司 | A kind of method and apparatus for detecting internal storage location |
| CN110402433A (en) * | 2017-03-16 | 2019-11-01 | Arm有限公司 | Memory access monitoring |
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| CN1141644C (en) * | 1999-11-20 | 2004-03-10 | 深圳市中兴通讯股份有限公司 | Test and monitor method for embedded in processor memory |
| US20020154131A1 (en) * | 2001-04-19 | 2002-10-24 | Andy Cheu | System status display control module |
| CN1248114C (en) * | 2002-06-20 | 2006-03-29 | 华为技术有限公司 | Method for checking sofeware memory leak |
| US7089460B2 (en) * | 2003-02-28 | 2006-08-08 | Microsoft Corporation | System and method for memory leak detection |
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| CN102207825A (en) * | 2011-05-23 | 2011-10-05 | 昆山富泰科电脑有限公司 | Method for switching multiple applications in portable multifunctional device and user graphical interface |
| CN102289410A (en) * | 2011-06-30 | 2011-12-21 | 杭州斯凯网络科技有限公司 | Method for monitoring allocation situation of memory based on Media-Tech (MTK) platform |
| CN102289410B (en) * | 2011-06-30 | 2014-03-12 | 杭州斯凯网络科技有限公司 | Method for monitoring allocation situation of memory based on Media-Tech (MTK) platform |
| CN103984603B (en) * | 2012-03-31 | 2017-12-05 | 华为技术有限公司 | A kind of method and apparatus for detecting internal storage location |
| CN103914366B (en) * | 2013-01-05 | 2017-05-31 | 腾讯科技（深圳）有限公司 | A kind of automatic monitoring application program carries out the method and device of memory information |
| CN104778087A (en) * | 2014-01-09 | 2015-07-15 | 中国移动通信集团山东有限公司 | Information processing method and information processing device |
| CN104778087B (en) * | 2014-01-09 | 2019-04-12 | 中国移动通信集团山东有限公司 | A kind of information processing method and information processing unit |
| CN105224433A (en) * | 2014-06-23 | 2016-01-06 | 阿里巴巴集团控股有限公司 | A kind of internal memory monitoring method and server |
| CN105224433B (en) * | 2014-06-23 | 2018-04-10 | 阿里巴巴集团控股有限公司 | A kind of internal memory monitoring method and server |
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| CN110402433B (en) * | 2017-03-16 | 2024-04-12 | Arm有限公司 | Memory access monitoring |
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