CN103544102A - Method and device for test and simulation of software performance - Google Patents
Method and device for test and simulation of software performance Download PDFInfo
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Abstract
The invention relates to a method and device for test and simulation of software performance. The method for the test and simulation of the software performance comprises the steps that configuration information which is configured by a user is stored in a structural body file for simulation; a shared memory for simulation is established and the structural body file is stored in the shared memory; the structural body file is read and analyzed to obtain a speed value, and a plurality of test processes for simulation are established; establishment of a preset number of sub-threads is simulated in each test process, each sub-thread is used for simulating execution of a service file requested to be executed by the user according to the configuration information to generate service return data for simulation, and destroying of the service file sub-thread which is executed is simulated; establishment of new sub-threads is simulated in each test process every a preset period of time; the simulated service return data are stored and counted. According to the method and device for the test and simulation of the software performance, the multi-process and multi-thread architecture is used, resources are distributed reasonably, the reasonable pressure load of each process is guaranteed, only a small-frequency speed model is simulated by each process, and robustness is improved.
Description
Technical field
The present invention relates to a kind of software performance test model, particularly a kind of software performance test analogy method and device.
Background technology
For software product performance test simulation speed method, applicable its classical scene is: for example 12306 ticket-booking services that regularly start, and from certain time point, the quick sustainable growth of number of users.It causes the sharply consumption of tested server CPU, internal memory, network or database resource, to tested software framework, is also huge test.At this test scene Imitating user behavior, the most important thing is the Stability and veracity of speed under load model.Wherein how to use few computing machine of trying one's best, steadily, the operation behavior of analog subscriber increase per second accurately becomes an industry difficult problem.
Computer hardware configuration is more and more higher, can be more and more for the resource of programme distribution, and process is the least unit that can distribute hardware resource, and multi-process many hardware resources that is assigned to of can try one's best, simulate under two-forty scene the multi-process advantage that possesses skills.
Operating system is moved under memory protect pattern, and process has independently logical memory space, between multi-process mutually, can not directly access.And existing free performance testing tool is all used one process framework.Cannot fully apply for hardware resource, the speed number of unit analog subscriber easily reaches the upper limit, and CPU time sheet distributes not enoughly during two-forty, and running precision is low.
Facing under the scene that a high-frequency N per second user asks to increase, precision of timer need be less than 1/N second, and CPU time sheet is distributed in a large number customer service and is operated, cause precision of timer to lose efficacy, in long-play situation, the time stack of losing efficacy, causes measuring accuracy to reduce, and test result is insincere.And use trigger to face equally above problem.
This invention adopts multi-process mode that two-forty is decomposed, each process is only responsible for " low " speed and has been improved stability, solved the problem of communication between process, by the mode of mutexes and the combination of timer technology, solved speed and sent unsettled problem, can be used to analog subscriber speed increases scene.Similarly there is with it the HTTPLOAD of Linux platform.
Manual test: developer and client can only rely on as far as possible many test machine and manpower manually to simulate rate test, shortcoming is that machine quantity is few, not accurately and can not rerun, consume a large amount of manpower and materials, but resultant error is large, the test result that relies on the method to obtain is to rely on test experience to assess in the time of more.
Open source software:
HTTPLOAD Rate Models can only be tested http protocol, depends on the unblock pattern of Socket assembly, makes it cannot realize other protocol extension.
Accuracy aspect, HTTPLOAD Rate Models is not considered under a large number of users service condition, a large amount of consumption to resource, the single-threaded technology of one process of its use, can not guarantee the timeslice that customer service is competed enough resources and distributed in time CPU, accuracy is not enough.
Stability aspect, HTTPLOAD Rate Models, adopt trigger mode to call at the appointed time new customer service request, what adopt due to trigger is system time, dispatched by operating system nucleus, the impact of thread wakening mechanism, time precision cannot guarantee, embodies stability aspect, in speed quantity, increases in situation, fluctuation obviously, has had influence on actual motion effect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of software performance test analogy method and the device that can simulate two-forty request and processing in Software Performance Testing Process.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of analogy method of software performance test, comprises the following steps:
Step 1: user configured configuration information is stored in the structure file of simulation;
Step 2: create the shared drive of simulation, described structure file is stored in shared drive;
Step 3: read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity;
Step 4: simulate respectively the sub-thread that creates described predetermined quantity described in each in test process, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, returns to the business return data of simulation;
Step 5: every predetermined time, simulation creates new sub-thread in each test process;
Step 6: the business return data of storage simulation the business return data of statistical simulation.
The invention has the beneficial effects as follows: used multi-process multi-threaded architecture, reasonable distribution resource, guarantee that each process pressure load is reasonable, each process is only simulated the Rate Models of small frequency, on robustness, be improved, avoided certain process to occur losing efficacy, the impact on overall load test result simultaneously; Multi-process framework has guaranteed that workload generator can apply for enough system resource, avoids the impact on rate test method of resource deadlock that multithreading competition causes; Multi-threaded architecture has guaranteed that each customer service operates in independently in context, has avoided response time interference each other between customer service in HTTPLOAD framework, and the present invention can guarantee to apply for enough resources, reduces interacting between customer service.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described step 5 further comprises: create the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, the time span of described lock-out state and released state is the time that timer is set, and at mutexes, during in released state, creates new sub-thread in the storage space of test process, until mutexes while reaching termination condition, finishes mutexes.
The beneficial effect that adopts above-mentioned further scheme is to have avoided operating system nucleus scheduling and process, thread to switch the timer error of bringing, and accuracy is guaranteed.
Further, described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user's request, and for the end function file of free system resources.
The beneficial effect that adopts above-mentioned further scheme is that service scripts inside is arranged to initialization function file, power function file and finishes function file, can realize the flexible support to user's request.
Further, a kind of software performance test analogue means, comprises memory module, creation module, and read module, execution module, creates sub-thread module and statistical module;
Described memory module, for user configured configuration information being stored in to the structure file of simulation, sends to creation module by structure file;
Described creation module, for receiving structure file, creates the shared drive of simulation, and described structure file is stored in shared drive, and the storage information by structure file in shared drive sends to read module;
Described read module, for receiving structure file in the storage information of shared drive, read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity, and the information of the test process of a plurality of simulations is sent to execution module;
Described execution module, for receiving the information of the test process of a plurality of simulations, described in each, in test process, simulate respectively the sub-thread that creates described predetermined quantity, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, return to the business return data of simulation, the business return data of simulation is sent to statistical module;
The sub-thread module of described establishment for every predetermined time, is simulated and is created new sub-thread in each test process;
Described statistical module, for receiving the business return data of simulation, the business return data of storage simulation the business return data of statistical simulation.
The beneficial effect that adopts above-mentioned further scheme is to have used multi-process multi-threaded architecture, reasonable distribution resource, guarantee that each process pressure load is reasonable, each process is only simulated the Rate Models of small frequency, on robustness, be improved, avoided certain process to occur losing efficacy, the impact on overall load test result simultaneously; Multi-process framework has guaranteed that workload generator can apply for enough system resource, avoids the impact on rate test method of resource deadlock that multithreading competition causes; Multi-threaded architecture has guaranteed that each customer service operates in independently in context, has avoided response time interference each other between customer service in HTTPLOAD framework.
Further, the sub-thread module of described establishment, be further used for creating the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, and the time span of described lock-out state and released state is the time that timer is set, at mutexes during in released state, in the storage space of test process, create new sub-thread, until mutexes while reaching termination condition, finishes mutexes.
The beneficial effect that adopts above-mentioned further scheme is to have avoided operating system nucleus scheduling and process, thread to switch the timer error of bringing, and accuracy is guaranteed.
Further, described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user's request, and for the end function file of free system resources.
The beneficial effect that adopts above-mentioned further scheme is that service scripts inside is arranged to initialization function file, power function file and finishes function file, can realize the flexible support to user's request.
Accompanying drawing explanation
Fig. 1 is the inventive method flow chart of steps;
Fig. 2 is apparatus of the present invention structural drawing;
Fig. 3 is mutexes of the present invention and timer workflow diagram.
In accompanying drawing, the list of parts of each label representative is as follows:
1, memory module, 2, creation module, 3, read module, 4, execution module, 5, create sub-thread module, 6 statistical modules.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, be the inventive method flow chart of steps; Fig. 2 is apparatus of the present invention structural drawing; Fig. 3 is mutexes of the present invention and timer workflow diagram.
Embodiment 1
An analogy method for software performance test, comprises the following steps:
Step 1: user configured configuration information is stored in the structure file of simulation; User according to demand, confirms to need test macro address, speed number, working time, database information, generating configuration file.Program reads user configuration information, and the structure of computing machine identification for storage exits for each process identification user's request, analog subscriber business conduct, speed control operation and control speed.
Step 2: create the shared drive of simulation, described structure file is stored in shared drive;
Operating system is under memory protect mechanism; each process has independently logical memory space, and each process cannot be accessed other process data, and this rate test method is based on multi-process multithreading; the restriction of operating system, causes each process cannot learn other progress informations.By realizing shared drive by shining upon same ordinary file between process, the user's request structure that storing step 1 obtains, guarantees that each process can read unified user's request; During operation, can know other running state of process, its uniqueness can be used to carry out the load balancing of step 3 process; Arrive after working time, can the whole end signals of the issued all requests of storage process, guarantee data statistics precision;
Step 3: read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity
Establishment process, each process read step 2 is stored in shared drive, the user's request structure being generated by step 1, two-forty is assigned to multi-process: in Rate Models, Added Business request in 50/ second creates a new process (less than 50 is also as a process), the speed of supposing user's appointment is N/ second, and the process that Rate Models can start is counted P and can be calculated by following formula:
Each process creating is according to the frequency of newly-increased 50 (discontented 50 are as the criterion with actual) per second individual user's request, execution service request.
Step 4: simulate respectively the sub-thread that creates described predetermined quantity described in each in test process, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, returns to the business return data of simulation;
Step 5: every predetermined time, simulation creates new sub-thread in each test process;
Step 6: the business return data of storage simulation the business return data of statistical simulation.
The business of statistical simulation is returned to every data of the indexs such as number mainly refers to add up successfully, failure, response time, clicking rate per second, for user and developer provide accurate detailed statistical data.
Described step 5 further comprises: create the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, the time span of described lock-out state and released state is the time that timer is set, at mutexes during in released state, in the storage space of test process, create new sub-thread, until mutexes while reaching termination condition, finishes mutexes.
Read step 3 obtains user's number of request N of process establishment per second, and calculating the timer cycle is 1/N second.According to mode in Fig. 3, by fixed frequency, increase customer service request.Timer is only responsible for timing by mutexes release, has alleviated the on-stream pressure of timer, has improved accuracy.Periphery has circular test mutexes state, as long as mutexes release shows create new thread.
Described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user's request, and for the end function file of free system resources.
Each thread, by calling the library file of packaged customer service, is realized the traffic pressure of tested end is sent.By developing different customer service library files, can realize the flexible support to customer service, totally 3 main functions in library file, initialization function for operation before initialization move well resource requirement; Business function function circular flow within the cycle of operation, realizes the simulation to Virtual User; When thread exits, can carry out end function, discharge operation resource requirement.
The present invention can provide time and two kinds of operating mechanisms of number of times, and under time operational mode, timer can play the operation stop position in shared drive after arriving working time; Under number of times operational mode, after each service request completes, all can upgrade shared drive operation number, when equaling user's configured number, the operation stop position in shared drive can be risen number of run.Arrive after stop condition, exit the implementation of step 4, perform step 7 statistic processes.
An analogue means, comprises memory module 1, creation module 2, read module 3, execution module 4 and statistical module 5;
Described memory module 1, for user configured configuration information being stored in to the structure file of simulation, sends to creation module 2 by structure file;
Described creation module 2, for receiving structure file, creates the shared drive of simulation, and described structure file is stored in shared drive, and the storage information by structure file in shared drive sends to read module 3;
Described read module 3, for receiving structure file in the storage information of shared drive, read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity, and the information of the test process of a plurality of simulations is sent to execution module 4;
Described execution module 4, for receiving the information of the test process of a plurality of simulations, described in each, in test process, simulate respectively the sub-thread that creates described predetermined quantity, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, return to the business return data of simulation, the business return data of simulation is sent to statistical module 5;
The sub-thread module 5 of described establishment for every predetermined time, is simulated and is created new sub-thread in each test process;
Described statistical module 6, for receiving the business return data of simulation, the business return data of storage simulation the business return data of statistical simulation.
The sub-thread module 5 of described establishment, be further used for creating the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, the time span of described lock-out state and released state is the time that timer is set, and at mutexes, during in released state, creates new sub-thread in the storage space of test process, until mutexes while reaching termination condition, finishes mutexes.
Described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user's request, and for the end function file of free system resources.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. an analogy method for software performance test, is characterized in that, comprises the following steps:
Step 1: user configured configuration information is stored in the structure file of simulation;
Step 2: create the shared drive of simulation, described structure file is stored in shared drive;
Step 3: read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity;
Step 4: simulate respectively the sub-thread that creates described predetermined quantity described in each in test process, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, returns to the business return data of simulation;
Step 5: every predetermined time, simulation creates new sub-thread in each test process;
Step 6: the business return data of storage simulation the business return data of statistical simulation.
2. software performance test analogy method according to claim 1, it is characterized in that: described step 5 further comprises: create the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, the time span of described lock-out state and released state is the time that timer is set, at mutexes during in released state, in the storage space of test process, create new sub-thread, until mutexes while reaching termination condition, finishes mutexes.
3. according to arbitrary described software performance test analogy method in claim 1 to 2, it is characterized in that: described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user request, and for the end function file of free system resources.
4. a software performance test analogue means, is characterized in that: comprise memory module (1), creation module (2), read module (3), execution module (4) and statistical module (5);
Described memory module (1), for user configured configuration information being stored in to the structure file of simulation, sends to creation module (2) by structure file;
Described creation module (2), for receiving structure file, creates the shared drive of simulation, and described structure file is stored in shared drive, and the storage information by structure file in shared drive sends to read module (3);
Described read module (3), for receiving structure file in the storage information of shared drive, read the structure file being stored in shared drive, analytic structure body file, obtain rate value, create the test process of a plurality of simulations, for the user of each predetermined quantity of simulation asks to distribute a test process, the quantity of described test process is the ratio of described rate value and described predetermined quantity, and the information of the test process of a plurality of simulations is sent to execution module (4);
Described execution module (4), for receiving the information of the test process of a plurality of simulations, described in each, in test process, simulate respectively the sub-thread that creates described predetermined quantity, user's request of every sub-thread alignment processing, every sub-thread carries out according to described configuration information simulation the service scripts that user's request is carried out, generate the business return data of simulation, simulation is destroyed and is executed the sub-thread of service scripts, return to the business return data of simulation, the business return data of simulation is sent to statistical module (5);
The sub-thread module of described establishment (5) for every predetermined time, is simulated and is created new sub-thread in each test process;
Described statistical module (6), for receiving the business return data of simulation, the business return data of storage simulation the business return data of statistical simulation.
5. software performance test analogue means according to claim 4, it is characterized in that: the sub-thread module of described establishment (5), be further used for creating the timer of simulation and the mutexes of simulation, dry run mutexes and timer, mutexes keeps lock-out state and released state to hocket, the time span of described lock-out state and released state is the time that timer is set, at mutexes during in released state, in the storage space of test process, create new sub-thread, until mutexes while reaching termination condition, finishes mutexes.
6. according to the arbitrary described software performance test analogue means of claim 4 to 5, it is characterized in that: described service scripts inside comprises for carrying out initialized initialization function file, for the power function file that carries out functional simulation according to user request, and for the end function file of free system resources.
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