CN103853648A - Embedded software performance evaluating hardware auxiliary test device and method - Google Patents
Embedded software performance evaluating hardware auxiliary test device and method Download PDFInfo
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- CN103853648A CN103853648A CN201410060129.1A CN201410060129A CN103853648A CN 103853648 A CN103853648 A CN 103853648A CN 201410060129 A CN201410060129 A CN 201410060129A CN 103853648 A CN103853648 A CN 103853648A
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Abstract
The invention discloses an embedded software performance evaluating hardware auxiliary test device, which is characterized by comprising a circuit board, wherein a control device and a plurality of communication ports are arranged on the circuit board, the communication ports are connected with a tested software operation hardware platform and a test system, and the test system is arranged on a PC (personnel computer). The invention also provides an embedded software performance evaluating hardware auxiliary test method, which comprises the following steps including 1, time measurement; 2, interrupt response measurement. The test device and the test method have the advantages that the burden of a tested system cannot be increased, the timing work can be also completed at high precision, and the external interrupt triggering can be simulated for data storage, processing and transmission.
Description
Technical field
The invention belongs to software transmission area of agreement, specifically, relate to a kind of embedded software performance evaluating hardware auxiliary test unit and method.
Background technology
Software performance test normal service time of index, with absolute time interval---initial time and the mistiming in termination moment represent.Common measuring method is: before the first statement of tested code, insert timing beginning flag, after tested code the last item statement, insert timing termination flag, timing is got the time interval after stopping.Another kind of method of testing is the actual figure in the unit interval, tested code is placed in a loop body, by the relatively performance of timing that repeatedly circulates.Second method has improved measuring accuracy by long-time execution.But no matter use that method, time measurement means are extremely important.
Existing time measurement mainly relies on the time mechanism of operating system self, as the Microsecond grade gettimeofday () of Linux; Level time (), the Millisecond GetLocalTime () second of Windows.Embedded real-time operating system also provides clock interface, as clock_gettime () of the OSTimeGet () of uCOS, VxWorks etc., but limited by the inner realization mechanism of embedded platform and operating system, time precision is generally 10 Milliseconds, and measuring accuracy and accuracy have certain limitation.
In addition, the evaluation and test of embedded software interruption performance is also a large difficult point.The conventional method of interruption performance index measurement is to use soft break simulation, but the correct process that this method can not expressed intact be interrupted needs external analog to interrupt supporting.
Summary of the invention
The technical problem to be solved in the present invention is to overcome above-mentioned defect, an embedded software performance evaluating hardware auxiliary test unit and method are provided, can either not increase system under test (SUT) burden, can high-precisionly complete again timework, can also simulate external interrupt and trigger, carry out storage, processing and the transmission of data.
For addressing the above problem, the technical solution adopted in the present invention is:
A kind of embedded software performance evaluating hardware auxiliary test unit, it is characterized in that: comprise circuit board, on circuit board, be provided with control device and some communication port, communication port is connected with tested software operation hardware platform and test macro, and test macro is arranged on PC.
Improve as one, described control device comprises ARM single-chip microcomputer, data processing module, accurate timing module and Event triggered module; In communication port, be provided with GPIO module, tested software operation hardware platform connects ARM single-chip microcomputer by GPIO module, and another PORT COM is connected and installed with the PC of test macro by serial ports simultaneously; Described Event triggered module is connected tested software operation hardware platform with accurate timing module.
The present invention also provides a kind of embedded software performance evaluating hardware auxiliary test methods, and step is as follows:
1), time measurement: tested software operation hardware platform has added the software code of timing pitching pile, and first the test macro of PC notifies the proving installation start time to measure, and then starts the software test case of system under test (SUT); When system under test (SUT) moves to " beginning timing " statement, first to specific GPIO output high level, obtain a rising edge triggering assisted tester and start timing; When timing finishes, to GPIO output low level, obtain a negative edge triggering tester and finish timing;
2), interrupt response is measured: proving installation simulation external interrupt is also carried out timing to it under this scene, in break simulation, the measurement of initial time is from tester sends pumping signal, need to not move pitching pile in hardware platform in tested software, the termination time is determined by the pitching pile function in tested software operation hardware platform.
Owing to having adopted technique scheme, compared with prior art, the present invention proposes general auxiliary test methods and a device of supporting embedded software evaluation and test, can either not increase system under test (SUT) burden, can high-precisionly complete again timework, can also simulate external interrupt and trigger, carry out storage, processing and the transmission of data.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of an embodiment of the present invention;
Fig. 2 is the workflow diagram of time measurement in an embodiment of the present invention;
Fig. 3 is the workflow diagram that in an embodiment of the present invention, interrupt response is measured.
Embodiment
Embodiment:
As shown in Figure 1, a kind of embedded software performance evaluating hardware auxiliary test unit, comprises circuit board, is provided with control device and some communication port on circuit board, communication port is connected with tested software operation hardware platform and test macro, and test macro is arranged on PC.
In the present embodiment, described control device comprises ARM single-chip microcomputer, data processing module, accurate timing module and Event triggered module; In communication port, be provided with GPIO module, tested software operation hardware platform connects ARM single-chip microcomputer by GPIO module, and another PORT COM is connected and installed with the PC of test macro by serial ports simultaneously; Described Event triggered module is connected tested software operation hardware platform with accurate timing module.
The present invention also provides a kind of embedded software performance evaluating hardware auxiliary test methods, and step is as follows:
1), time measurement: as shown in Figure 2, tested software operation hardware platform has added the software code of timing pitching pile, and first the test macro of PC notifies the proving installation start time to measure, and then starts the software test case of system under test (SUT); When system under test (SUT) moves to " beginning timing " statement, first to specific GPIO output high level, obtain a rising edge triggering assisted tester and start timing; When timing finishes, to GPIO output low level, obtain a negative edge triggering tester and finish timing.
2), interrupt response is measured: as shown in Figure 3, proving installation simulation external interrupt is also carried out timing to it under this scene, in break simulation, the measurement of initial time is from tester sends pumping signal, need to not move pitching pile in hardware platform in tested software, the termination time is determined by the pitching pile function in tested software operation hardware platform.
Owing to having adopted technique scheme, compared with prior art, the present invention proposes general auxiliary test methods and a device of supporting embedded software evaluation and test, can either not increase system under test (SUT) burden, can high-precisionly complete again timework, can also simulate external interrupt and trigger, carry out storage, processing and the transmission of data.
Claims (3)
1. an embedded software performance evaluating hardware auxiliary test unit, it is characterized in that: comprise circuit board, on circuit board, be provided with control device and some communication port, communication port is connected with tested software operation hardware platform and test macro, and test macro is arranged on PC.
2. according to the embedded software performance evaluating hardware auxiliary test unit described in claim 1, it is characterized in that: described control device comprises ARM single-chip microcomputer, data processing module, accurate timing module and Event triggered module; In communication port, be provided with GPIO module, tested software operation hardware platform connects ARM single-chip microcomputer by GPIO module, and another PORT COM is connected and installed with the PC of test macro by serial ports simultaneously; Described Event triggered module is connected tested software operation hardware platform with accurate timing module.
3. according to the embedded software performance evaluating hardware auxiliary test methods described in claim 2, it is characterized in that: step is as follows:
1), time measurement: tested software operation hardware platform has added the software code of timing pitching pile, and first the test macro of PC notifies the proving installation start time to measure, and then starts the software test case of system under test (SUT); When system under test (SUT) moves to " beginning timing " statement, first to specific GPIO output high level, obtain a rising edge triggering assisted tester and start timing; When timing finishes, to GPIO output low level, obtain a negative edge triggering tester and finish timing;
2), interrupt response is measured: proving installation simulation external interrupt is also carried out timing to it under this scene, in break simulation, the measurement of initial time is from tester sends pumping signal, need to not move pitching pile in hardware platform in tested software, the termination time is determined by the pitching pile function in tested software operation hardware platform.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106598855A (en) * | 2016-12-09 | 2017-04-26 | 南京晨光集团有限责任公司 | Method for testing running time of embedded software |
| CN109344078A (en) * | 2018-10-29 | 2019-02-15 | 北京京航计算通讯研究所 | Using the embedded real-time operating system time performance test method of FPGA |
| CN109471761A (en) * | 2018-10-29 | 2019-03-15 | 北京京航计算通讯研究所 | Using the embedded real-time operating system time performance test macro of FPGA |
| CN110147324A (en) * | 2019-04-28 | 2019-08-20 | 北京航空航天大学 | A kind of the on-line testing equipment and on-line testing method of embedded software time response |
| CN110162469A (en) * | 2019-04-26 | 2019-08-23 | 中国人民解放军战略支援部队信息工程大学 | A kind of FFT software library performance test methods and device based on CUDA |
| CN110837466A (en) * | 2019-10-15 | 2020-02-25 | 中国电子科技集团公司第三十研究所 | Embedded software dynamic test method based on source code piling |
| CN113220532A (en) * | 2021-05-20 | 2021-08-06 | 复旦大学 | Method and device for testing feedback time of interrupt event of embedded operating system |
| WO2022111703A1 (en) * | 2020-11-30 | 2022-06-02 | 中科寒武纪科技股份有限公司 | Method, device and system for acquiring hardware performance data |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106598855A (en) * | 2016-12-09 | 2017-04-26 | 南京晨光集团有限责任公司 | Method for testing running time of embedded software |
| CN109344078A (en) * | 2018-10-29 | 2019-02-15 | 北京京航计算通讯研究所 | Using the embedded real-time operating system time performance test method of FPGA |
| CN109471761A (en) * | 2018-10-29 | 2019-03-15 | 北京京航计算通讯研究所 | Using the embedded real-time operating system time performance test macro of FPGA |
| CN109344078B (en) * | 2018-10-29 | 2022-05-17 | 北京京航计算通讯研究所 | Time performance test method for embedded real-time operating system applying FPGA |
| CN109471761B (en) * | 2018-10-29 | 2022-05-17 | 北京京航计算通讯研究所 | Embedded real-time operating system time performance test system applying FPGA |
| CN110162469A (en) * | 2019-04-26 | 2019-08-23 | 中国人民解放军战略支援部队信息工程大学 | A kind of FFT software library performance test methods and device based on CUDA |
| CN110162469B (en) * | 2019-04-26 | 2023-01-24 | 中国人民解放军战略支援部队信息工程大学 | Method and device for testing performance of FFT software library based on CUDA |
| CN110147324A (en) * | 2019-04-28 | 2019-08-20 | 北京航空航天大学 | A kind of the on-line testing equipment and on-line testing method of embedded software time response |
| CN110837466A (en) * | 2019-10-15 | 2020-02-25 | 中国电子科技集团公司第三十研究所 | Embedded software dynamic test method based on source code piling |
| WO2022111703A1 (en) * | 2020-11-30 | 2022-06-02 | 中科寒武纪科技股份有限公司 | Method, device and system for acquiring hardware performance data |
| CN113220532A (en) * | 2021-05-20 | 2021-08-06 | 复旦大学 | Method and device for testing feedback time of interrupt event of embedded operating system |
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