JP2011259076A - Sequence test apparatus and sequence test method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sequence test apparatus and a sequence test method capable of allowing a user to easily identify the latencies of terminals to be tested.SOLUTION: A sequence test apparatus 40 is equipped with: a latency setting unit 41 for setting a reference latency; an actual latency acquisition unit 43 for acquiring the actual latencies of a node A10, a node B20, and a node C30 as the terminals to be tested; a difference calculation unit 45 which calculates a difference latency indicating a difference between the reference latency and an actual latency; a threshold setting unit 46 for setting a threshold for sorting the difference latency into a plurality of stages; a display condition setting unit 48 for setting a display condition for identifying and displaying the difference latency; and a display unit 50 for identifying and displaying the difference latency on the basis of the threshold.

Description

  The present invention relates to a sequence test apparatus and a sequence test method. For example, the present invention relates to a sequence test apparatus and a sequence test method for testing communication terminals such as mobile phones and mobile terminals in a sequence based on a predetermined communication protocol.

  When a communication terminal such as a mobile phone is newly developed, it is necessary to test whether or not the developed communication terminal operates normally in an environment where it is actually used. However, whether or not the newly developed communication terminal operates normally by transmitting / receiving various types of test communication information between the newly developed communication terminal and the actual base station already in operation. It is very difficult to test.

  Therefore, a newly developed communication terminal is connected to a pseudo base station device having the function of an actual base station, and various communication information is transmitted and received between the communication terminal and the pseudo base station device. There is known a test apparatus that performs a test of whether or not the developed communication terminal operates normally. As one of the functions in this type of test apparatus, log information of various communication information transmitted / received between a communication terminal as a terminal under test and a pseudo base station apparatus is acquired and displayed as trace information on a display device. There is a trace function. By using this trace function to display and output a plurality of detailed time-series log information of communication information as trace information, it is possible to investigate the cause of abnormalities when the terminal under test does not operate normally. It becomes easy.

  In general, since test items for the terminal under test are diverse, there is a huge amount of communication information transmitted and received for testing between the terminal under test and the pseudo base station apparatus, and the log information of this communication information is also huge. Number. However, since the conventional test apparatus only outputs a large amount of log information of communication information transmitted and received for testing in time series, a log that is regarded as abnormal when the terminal under test does not operate normally There was a problem that information could not be easily identified.

  As a solution to this problem, for example, a pseudo base station apparatus disclosed in Patent Document 1 is known. The pseudo base station apparatus includes: extraction information specifying means for specifying extraction information included in at least a part of log information; log information extracting means for extracting log information having the specified extraction information from trace information; And a filter marker display means for adding a filter marker to the log information extracted by the log information extraction means among the plurality of log information constituting the trace information displayed in FIG. With this configuration, the conventional pseudo base station apparatus can easily identify abnormal log information from among a plurality of log information constituting the trace information displayed on the display.

JP 2006-174173 A

  However, although the error log information can be easily specified in the one disclosed in Patent Document 1, the latency that is the time from when the terminal under test receives a message until the processing related to the message is completed is calculated. The user cannot be easily identified, and the improvement has been demanded.

  Specifically, what is disclosed in Patent Document 1 displays a communication result as shown in FIG. 10, for example. That is, in FIG. 10, Msg 1 to 6 which are messages transmitted and received among the nodes A, B and C are displayed corresponding to the transmission time. There was a problem that the user could not easily identify whether it took time for transmission. As a countermeasure, for example, as shown in FIG. 11, the message display interval can be displayed in proportion to the transmission time interval, but a wasteful area occurs on the display screen, resulting in a huge number. There was a problem that it was not suitable for displaying communication information.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a sequence test apparatus and a sequence test method that allow a user to easily identify the latency of a terminal under test.

  The sequence test apparatus according to claim 1 of the present invention is a sequence test apparatus (40) for performing a test on a communication means (10, 20, 30) for executing a sequence for transmitting and receiving a message of a predetermined communication protocol. Latency setting means (41) for setting an ideal value of latency, which is a time from when each communication means receives a message until completion of processing relating to the message, as a reference latency for each communication means; Actual latency acquisition means (43) for acquiring the actual latency, which is an actual latency at the time of communication of each communication means, for each of the communication means, and difference calculation for calculating a difference latency indicating a difference between the reference latency and the actual latency Means (45) and a threshold value for classifying the differential latency into a plurality of stages; A threshold setting means (46), and has a configuration including a display means (50) for identification the difference latency based on said threshold.

  With this configuration, the sequence test apparatus according to claim 1 of the present invention identifies and displays the differential latency based on the threshold value for classifying the differential latency into a plurality of stages, so that the latency of the communication means as the terminal under test can be reduced. It can be easily identified by the user.

  The sequence test apparatus according to claim 2 of the present invention comprises display condition setting means (48) for setting a display condition for identifying and displaying the differential latency, wherein the display condition setting means is identified and displayed by a predetermined icon. Alternatively, a display condition for identification display using a predetermined display color is set, and the display unit is configured to identify and display the differential latency based on the display condition set by the display condition setting unit. have.

  With this configuration, the sequence test apparatus according to claim 2 of the present invention can set display conditions for identification display by icons or display colors. As a result, the sequence test apparatus according to claim 2 of the present invention can allow the user to easily identify the latency of the communication means as the terminal under test.

  A sequence test method according to claim 3 of the present invention is a sequence test method for performing a test on a communication means for executing a sequence for transmitting and receiving a message of a predetermined communication protocol, wherein each communication means sends a message. A latency setting step for setting an ideal value of latency, which is a time from reception to completion of processing relating to the message, as a reference latency for each of the communication means; and an actual latency that is actual at the time of communication of each of the communication means. An actual latency acquiring step for acquiring a latency for each of the communication means, a difference calculating step for calculating a differential latency indicating a difference between the reference latency and the actual latency, and a threshold for classifying the differential latency into a plurality of stages. A threshold setting step for setting the There have has a configuration including a display step of identification the difference latency.

  With this configuration, the sequence test method according to claim 3 of the present invention identifies and displays the differential latency based on the threshold value for classifying the differential latency into a plurality of stages, so that the latency of the communication means as the terminal under test can be reduced. It can be easily identified by the user.

  A sequence test method according to a fourth aspect of the present invention includes a display condition setting step for setting a display condition for identifying and displaying the differential latency, and the display condition setting step includes identification display by a predetermined icon or predetermined determination. The display condition of the identification display by the displayed display color is set. In the display step, the differential latency is identified and displayed based on the display condition set in the display condition setting step.

  With this configuration, the sequence test method according to claim 4 of the present invention can set the display condition of the identification display by the icon or the display color. As a result, the sequence test apparatus according to claim 4 of the present invention allows the user to easily identify the latency of the communication means as the terminal under test.

  The present invention can provide a sequence test apparatus and a sequence test method having an effect that the user can easily identify the latency of the terminal under test.

It is a block block diagram of the sequence test system in the embodiment of the present invention. It is a figure which shows an example of the display conditions of the sequence test system in embodiment of this invention. It is a figure which shows the 1st identification display example of the sequence test system in embodiment of this invention. It is a figure which shows the 2nd identification display example of the sequence test system in embodiment of this invention. It is a figure which shows an example of the display conditions of the sequence test system in embodiment of this invention. It is a figure which shows the 3rd identification display example of the sequence test system in embodiment of this invention. It is a figure which shows the 4th example of an identification display of the sequence test system in embodiment of this invention. It is a figure which shows the 5th example of an identification display of the sequence test system in embodiment of this invention. It is a block block diagram of the sequence test system in the other aspect of embodiment of this invention. It is a figure which shows the conventional sequence test result. It is a figure which shows the test result at the time of displaying the display interval of a message in proportion to the space | interval of transmission time in the conventional sequence test.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. An example in which the sequence test apparatus of the present invention is applied to a sequence test system including a plurality of nodes will be described. This sequence test system can test a communication terminal such as a mobile phone or a mobile terminal in a sequence based on a predetermined communication protocol. In this embodiment, the sequence test system will be described as performing a communication test on a plurality of nodes connected to a wired communication network in a sequence based on a communication protocol.

  First, the configuration of the sequence test system in the present embodiment will be described.

  As shown in FIG. 1, a sequence test system 100 in this embodiment includes a node A10 for testing a device under test, a node B20 and a node C30 as devices under test. Although not shown, the node A10, the node B20, and the node C30 include a CPU that controls the operation of each node and a control circuit that includes a ROM, a RAM, and the like that store a program for causing the CPU to function. I have.

  A communication cable 12 is connected between the node A10 and the node B20. Between the node B20 and the node C30, a tap 60 for taking out a communication signal between the two is provided. A communication cable 13 is connected between the node B20 and the tap 60, and a communication cable 14 is connected between the tap 60 and the node C30. Here, the node A10, the node B20, and the node C30 constitute a communication unit according to the present invention.

  The node A10 includes a sequence test device 40 and a communication device 11. The sequence test apparatus 40 includes a latency setting unit 41, a latency storage unit 42, an actual latency acquisition unit 43, an actual latency storage unit 44, a difference calculation unit 45, a threshold value setting unit 46, a threshold value storage unit 47, and a display condition setting. Unit 48, display processing unit 49, and display unit 50. The sequence test apparatus 40 performs a sequence test based on a predetermined communication protocol for the communication apparatus 11, the node B20, and the node C30.

  The latency setting unit 41 is operated by the user to set an ideal value of latency for each node, which is the time from reception of a message to completion of processing related to the message. Hereinafter, the latency set for each node by the latency setting unit 41 is referred to as a reference latency. Note that the latency setting unit 41 constitutes reference latency setting means according to the present invention.

  The latency storage unit 42 is composed of, for example, a hard disk drive, and stores reference latency data set by the user.

  The actual latency acquisition unit 43 acquires a message between the node A10 and the node B20 as log information via the communication device 11, and is an actual latency at the time of communication between the node A10 and the node B20 from the acquired log information. Actual latency data is acquired. This log information includes time stamp information created by the communication device 11 or Node B 20 at the time of transmission. Further, the actual latency acquisition unit 43 acquires a message between the node B20 and the node C30 as log information via the tap 60, and acquires data on the actual latency of the node B20 and the node C30 from the acquired log information. It is like that. This log information includes time stamp information created at the time of transmission by the node B20 or the node C30. The actual latency acquisition unit 43 constitutes an actual latency acquisition unit according to the present invention.

  The actual latency storage unit 44 is configured by a hard disk drive, for example, and stores log information and actual latency data acquired by the actual latency acquisition unit 43.

  The difference calculation unit 45 reads the reference latency data from the latency storage unit 42 and also reads the log information and the actual latency data from the actual latency storage unit 44 to determine the difference between the reference latency and the actual latency (hereinafter, “difference latency”). Is calculated). The difference calculation unit 45 outputs log information and difference latency data to the display processing unit 49. The difference calculation unit 45 constitutes a difference calculation unit according to the present invention.

  The threshold value setting unit 46 is operated by the user to set a threshold value for classifying the difference latency calculated by the difference calculation unit 45 into a plurality of stages. The threshold setting unit 46 constitutes threshold setting means according to the present invention.

  The threshold value storage unit 47 is constituted by a hard disk drive, for example, and stores threshold value data set by the threshold value setting unit 46.

  The display condition setting unit 48 is operated by the user in order to set display conditions for classifying the differential latency into a plurality of stages and displaying them on the display unit 50. For example, the display condition setting unit 48 sets display conditions as shown in FIG. FIG. 2 shows an example of threshold values for classifying differential latencies in five levels, and a display example in which icons of hourglasses having different numbers are displayed corresponding to the respective threshold values. That is, when the differential latency is 0 second or more and less than 0.5 second, the hourglass icon is not displayed. When the difference latency is 0.5 second or more and less than 1 second, one hourglass icon is displayed. Display setting is performed to display two hourglass icons when the time is 10 seconds or more and less than 60 seconds, and four hourglass icons when the time is 60 seconds or more.

  Returning to FIG. 1, the display processing unit 49 receives the log information and the actual latency data from the difference calculation unit 45, and the threshold set by the threshold setting unit 46 and the display condition setting unit 48 set. Based on the display conditions, processing for identifying and displaying the log information and the actual latency data is performed, and the signal is output to the display unit 50.

  The display unit 50 is composed of, for example, a liquid crystal display, and is configured to identify and display log information and actual latency data of the nodes A10, B20, and C30. The display unit 50 constitutes display means according to the present invention.

  The communication device 11 communicates with the node B 20 based on a preset communication test program. Further, the communication device 11 acquires log information between the node A 10 and the node B 20 and outputs the acquired log information to the actual latency acquisition unit 43.

  The latency setting unit 41, the threshold setting unit 46, and the display condition setting unit 48 described above include, for example, a keyboard for setting each setting value, an input device such as a dial or a mouse, and a control circuit for controlling these devices. Etc., and a setting screen for setting each set value is displayed on the display unit 50.

  Next, the operation of the sequence test system 100 in the present embodiment will be described.

  When the user operates the latency setting unit 41, the reference latency is set (latency setting step). For example, the time from when a request message for a data transfer request is received until the result of the request message is transmitted is set as the reference latency. The reference latency data set by the latency setting unit 41 is stored in the latency storage unit 42.

  Further, when the user operates the threshold setting unit 46, a threshold for classifying the differential latency into a plurality of stages is set (threshold setting step). The threshold value data set by the threshold value setting unit 46 is stored in the threshold value storage unit 47.

  Further, when the user operates the display condition setting unit 48, display conditions for classifying the differential latencies into a plurality of stages and displaying them on the display unit 50 are set (display condition setting step).

  The node A10, the node B20, and the node C30 provided with the communication device 11 each transmit / receive a message based on a predetermined communication protocol. During transmission / reception of this message, the communication device 11 acquires a message between the node A10 and the node B20 as log information and outputs it to the actual latency acquisition unit 43, and the tap 60 transmits a message between the node B20 and the node C30. As log information and output to the actual latency acquisition unit 43.

  The actual latency acquisition unit 43 acquires data on the actual latency of the node A10 and the node B20 from the log information between the node A10 and the node B20 (actual latency acquisition step). In addition, the actual latency acquisition unit 43 acquires data on the actual latency of the node B20 and the node C30 from the log information between the node B20 and the node C30 (actual latency acquisition step).

  The actual latency storage unit 44 stores the log information and actual latency data acquired by the actual latency acquisition unit 43.

  The difference calculation unit 45 reads the reference latency data from the latency storage unit 42. The difference calculation unit 45 reads log information and actual latency data from the actual latency storage unit 44. Further, the difference calculating unit 45 calculates a difference latency that is a difference between the reference latency and the actual latency for each node (difference calculating step). Then, the difference calculating unit 45 outputs log information and difference latency data to the display processing unit 49.

  The display processing unit 49 inputs log information and difference latency data from the difference calculation unit 45. Further, the display processing unit 49 reads the threshold value data set by the threshold value setting unit 46 from the threshold value storage unit 47. The display processing unit 49 reads the display conditions set by the display condition setting unit 48. The display processing unit 49 performs processing for identifying and displaying the log information and the actual latency data based on the threshold value data and the display condition, and outputs the signal to the display unit 50.

  The display unit 50 identifies and displays log information and actual latency data (display step).

  Next, a display example of differential latency will be described. For the sake of simplicity, it is assumed that the transmission time and the reception time of each message (indicated by “Msg” in the figure) are the same.

(First identification display example)
FIG. 3 shows a first identification display example. This identification display example is based on the display conditions shown in FIG. 2 and shows an example in which messages transmitted and received by the node A10, the node B20, and the node C30 in the communication test are displayed on the screen of the display unit 50. In FIG. 3, a transmission time display area 51 indicating the transmission time of each message is provided on the left side of the screen, and a differential latency display area 52 indicating the differential latency at each node is provided on the right side of the screen. The reference latencies (indicated by “L” in the figure) set for the node A10, the node B20, and the node C30 are 0.1 seconds, 0.1 seconds, and 0.3 seconds, respectively.

  First, as illustrated in FIG. 3, the node A10 transmits Msg1 to the node B20 at the transmission time “0.000” seconds.

  In response to the received Msg1, the node B20 transmits Msg2 to the node C30. In Node B 20, the transmission time when Msg2 is transmitted is “0.500” seconds, and the actual latency is 0.5 seconds. Since the reference latency of the node B 20 is 0.1 seconds, the differential latency is 0.4 seconds. In this case, the hourglass icon is not displayed according to the display conditions shown in FIG.

  In response to the received Msg2, the node C30 transmits Msg3 to the node B20. In node C30, the transmission time when Msg3 is transmitted is "1.003" seconds, and the actual latency is 0.503 seconds. Since the reference latency of the node C30 is 0.3 seconds, the differential latency is 0.203 seconds. In this case, the hourglass icon is not displayed according to the display conditions shown in FIG.

  In response to the received Msg3, the node B20 transmits Msg4 to the node A10. In the node B20, the transmission time when Msg4 is transmitted is “10.002” seconds, and the actual latency is 8.999 seconds. Since the reference latency of the Node B 20 is 0.1 second, the differential latency is 8.899 seconds. In this case, two hourglass icons are displayed in the transmission time display area 51 under the display conditions shown in FIG.

  In response to the received Msg4, the node A10 transmits Msg5 to the node B20. In node A10, the transmission time when Msg5 is transmitted is "11.006" seconds, and the actual latency is 1.004 seconds. Since the reference latency of the node A10 is 0.1 seconds, the differential latency is 0.904 seconds. In this case, one hourglass icon is displayed in the transmission time display area 51 under the display conditions shown in FIG.

  In response to the received Msg5, the node B20 transmits Msg6 to the node A10. In the node B20, the transmission time when Msg5 is transmitted is “30.002” seconds, and the actual latency is 18.996 seconds. Since the reference latency of the Node B 20 is 0.1 second, the differential latency is 18.896 seconds. In this case, three hourglass icons are displayed in the transmission time display area 51 according to the display conditions shown in FIG.

  As described above, in the first identification display example, the sequence test apparatus 40 tells the user which node and which message took time to send according to the number of hourglass icons determined according to the threshold value. It can be easily identified.

(Second identification display example)
A second identification display example is shown in FIG. In this identification display example, a communication test similar to that in the first identification display example (see FIG. 3) is performed, and only those having a differential latency of 10 seconds or more and less than 60 seconds are displayed on the screen of the display unit 50. is there. This result can be realized by setting display conditions in the display condition setting unit 48. In other words, the display condition setting unit 48 has a filter function for selecting only messages corresponding to the display conditions desired by the user and displaying them on the display unit 50.

  As described above, in the second identification display example, the sequence test apparatus 40 can allow the user to easily identify only messages corresponding to the display conditions desired by the user by the filter function of the display condition setting unit 48.

(Third identification display example)
The third identification display example is based on display conditions as shown in FIG. FIG. 5 shows an example of threshold values for classifying differential latencies in five levels, and a display example using colors corresponding to the respective threshold values. That is, when the differential latency is 0 second to less than 0.5 second, it is white, when it is 0.5 second to less than 1 second, it is yellow, when it is 1 second to less than 10 seconds, it is green, and from 10 seconds to less than 60 seconds. Display settings are displayed using blue when the display time is black, and black when 60 seconds or longer.

  Specifically, the test result is displayed on the display unit 50 as shown in FIG. That is, in FIG. 6, since the differential latency between Msg1 and Msg2 is 0.901 seconds, the display unit 50 displays a yellow rectangular icon 53a at the position of the node B20 that received Msg1 and transmitted Msg2. To do.

  Further, since the differential latency between Msg2 and Msg3 is 0.199 seconds, the display unit 50 displays a white rectangular icon 53b at the position of the node C30 that has received Msg2 and transmitted Msg3.

  Further, since the differential latency between Msg3 and Msg4 is 8.403 seconds, the display unit 50 displays a green rectangular icon 53c at the position of the node B20 that has received Msg3 and transmitted Msg4.

  Further, since the differential latency between Msg4 and Msg5 is 19.897 seconds, the display unit 50 displays a blue rectangular icon 53d at the position of the node A10 that has received Msg4 and transmitted Msg5.

  As described above, in the third identification display example, the sequence test apparatus 40 makes it easy for the user to determine which node and which message took time by the color of the rectangular icon determined according to the threshold value. Can be identified.

(Fourth identification display example)
As shown in FIG. 7, the fourth identification display example is based on the display conditions shown in FIG. 5, and displays a rectangular icon in the rectangular icon display area 54 provided on the left side of the display unit 50. It is. The display of the rectangular icon display area 54 can be realized by setting display conditions in the display condition setting unit 48.

  For example, in FIG. 7, since the differential latency between Msg1 and Msg2 is 0.901 seconds, the display unit 50 is in the rectangular icon display area 54 between the display position of Msg1 and the display position of Msg2. A yellow rectangular icon 53a is displayed.

  As described above, in the fourth identification display example, the sequence test apparatus 40 displays a rectangular icon of a color determined according to the threshold value in the rectangular icon display area 54, thereby transmitting which message of which node. The user can easily identify whether it took time.

(Fifth identification display example)
As shown in FIG. 8, the fifth identification display example is based on the display conditions shown in FIG. 5, and rectangular icons 55 a to 55 are displayed on arrows indicating the directions of messages displayed on the screen of the display unit 50. 55d is displayed in an overlapping manner. This display can be realized by setting display conditions in the display condition setting unit 48.

  For example, in FIG. 8, since the differential latency between Msg3 and Msg4 is 8.403 seconds, the display unit 50 displays the green rectangular icon 55c on the arrow indicating the direction of Msg4.

  As described above, in the fifth identification display example, the sequence test apparatus 40 displays a rectangular icon of a color determined according to the threshold value on the arrow indicating the direction of the message, thereby displaying which node and which node. The user can easily identify whether it took time to send the message.

  As described above, the sequence test apparatus 40 according to the present embodiment identifies and displays the differential latency based on the threshold value for classifying the differential latency into a plurality of stages, and thus easily identifies the latency of the terminal under test to the user. Can be made.

  In the above-described embodiment, the configuration in which the sequence test apparatus 40 is provided in the node A10 has been described as an example, but the present invention is not limited to this. For example, if the sequence test apparatus 40 and the node A10 are separated and the sequence test apparatus 40 can acquire log information between the node A10 and the node B20, the same effects as those of the above-described embodiment can be obtained. .

(Other aspects 1)
The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, in the above-described embodiment, the sequence test is performed on a plurality of nodes connected to a wired communication network. However, the present invention is not limited to this. For example, a sequence test can be performed with a configuration as shown in FIG.

  The sequence test system 200 illustrated in FIG. 9 includes a node A 70 and a node B 80. The node A 70 includes a sequence test device 40 and a communication device 71. The description of the configuration of the sequence test apparatus 40 has already been given and will be omitted. In addition, the node A 70 and the node B 80 constitute a communication unit according to the present invention.

  The communication device 71 and the node B 80 are configured to perform wireless communication with each other using RF signals, and include antennas 72 and 81, respectively. Instead of the antennas 72 and 81, the communication device 71 and the node B 80 may be connected by a coaxial cable to exchange RF signals. In the case of this configuration example, specifically, the communication device 71 is a pseudo base station that simulates a base station of a mobile communication system. Further, the Node B 80 to be tested is a mobile communication terminal of the mobile communication system, for example, a mobile phone or a mobile terminal.

  With the above-described configuration, the sequence test system 200 classifies the differential latency into a plurality of stages by configuring the node B 80 to perform a sequence test based on a wireless communication protocol and obtain log information. The differential latency can be identified and displayed based on the threshold value. Therefore, the sequence test system 200 allows the user to easily identify the latency of the terminal under test.

(Other aspect 2)
In the above-described embodiment, the node A10, the node B20, and the node C30 are exemplified as the communication unit according to the present invention. However, the present invention is not limited to this, and the present invention is applicable to a device that operates in a predetermined sequence. Can do. For example, the present invention uses each layer (physical layer, medium access control layer, radio link control layer, etc.) of a multi-layered protocol stack based on the 3GPP (Third Generation Partnership Project) standard as a communication means. The same effects as those of the above-described embodiment can be obtained.

  As described above, the sequence test apparatus and the sequence test method according to the present invention have the effect that the latency of the terminal under test can be easily identified by the user, and a communication terminal such as a mobile phone or a mobile terminal is predetermined. It is useful as a sequence test apparatus and a sequence test method for testing with a sequence based on the communication protocol.

10, 70 Node A (communication means)
11, 71 Communication device 12, 13, 14 Communication cable 20, 80 Node B (communication means)
30 Node C
40 Sequence test apparatus 41 Latency setting section (latency setting means)
42 Latency storage unit 43 Real latency acquisition unit (actual latency acquisition means)
44 Real latency storage unit 45 Difference calculation unit (difference calculation means)
46 Threshold setting section (threshold setting means)
47 Threshold storage section 48 Display condition setting section (display condition setting means)
49 Display processing section 50 Display section (display means)
51 Transmission time display area 52 Differential latency display area 53a to 53d, 55a to 55d Rectangular icon 54 Rectangular icon display area 60 Tap 72, 81 Antenna 100, 200 Sequence test system

Claims (4)

A sequence test apparatus (40) for testing a communication means (10, 20, 30) for executing a sequence for transmitting and receiving a message of a predetermined communication protocol,
Latency setting means (41) for setting an ideal value of latency, which is a time from when each communication means receives a message until completion of processing relating to the message, as a reference latency for each communication means;
An actual latency acquisition means (43) for acquiring, for each communication means, an actual latency that is an actual latency at the time of communication of each of the communication means;
Difference calculation means (45) for calculating a difference latency indicating a difference between the reference latency and the actual latency;
Threshold setting means (46) for setting a threshold for classifying the differential latency into a plurality of stages;
And a display means (50) for identifying and displaying the differential latency based on the threshold value. Display condition setting means (48) for setting display conditions for identifying and displaying the differential latency,
The display condition setting means sets a display condition of identification display by a predetermined icon or identification display by a predetermined display color,
The sequence test apparatus according to claim 1, wherein the display unit is configured to identify and display the differential latency based on a display condition set by the display condition setting unit. A sequence test method for testing a communication means for executing a sequence for transmitting and receiving a message of a predetermined communication protocol,
A latency setting step for setting an ideal value of latency as a reference latency for each of the communication means from the time when each of the communication means receives a message until the processing related to the message is completed;
An actual latency acquisition step of acquiring, for each communication means, an actual latency that is an actual latency at the time of communication of each of the communication means;
A difference calculating step for calculating a difference latency indicating a difference between the reference latency and the actual latency;
A threshold setting step for setting a threshold for classifying the differential latency into a plurality of stages;
And a display step for identifying and displaying the differential latency based on the threshold value. A display condition setting step for setting a display condition for identifying and displaying the differential latency,
The display condition setting step is to set a display condition for identification display by a predetermined icon or identification display by a predetermined display color,
4. The sequence test method according to claim 3, wherein, in the display step, the differential latency is identified and displayed based on the display condition set in the display condition setting step.

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