JPS6415838A - Detecting device for program abnormality - Google Patents

Detecting device for program abnormality

Info

Publication number
JPS6415838A
JPS6415838A JP62170938A JP17093887A JPS6415838A JP S6415838 A JPS6415838 A JP S6415838A JP 62170938 A JP62170938 A JP 62170938A JP 17093887 A JP17093887 A JP 17093887A JP S6415838 A JPS6415838 A JP S6415838A
Authority
JP
Japan
Prior art keywords
time
signal line
program executing
program
executing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62170938A
Other languages
Japanese (ja)
Inventor
Taro Inoue
Hitoshi Ueno
Tatsutoshi Sakuraba
Masato Soma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62170938A priority Critical patent/JPS6415838A/en
Publication of JPS6415838A publication Critical patent/JPS6415838A/en
Pending legal-status Critical Current

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  • Debugging And Monitoring (AREA)

Abstract

PURPOSE:To detect the abnormality with high accuracy even with a program having its large executing time fluctuation by considering not only the next estimated executing time decided from the shift average of the past program executing times but the executing time fluctuation caused by the increase of load. CONSTITUTION:A time monitoring system 101 starts the time measurement via a counter 114 by a monitor start instruction given from a CPU 102 and with rises of a SEL signal line 105 and a start signal line 106. A limit value calculator 125 starts at the fall of a signal line 116 to obtain the average program executing time and the standard deviation from the information on the past program executing times stored in the registers R0-R9 and multiplies these a values by K to obtain the limit monitor time value and to estimate the next program executing time. While the program executing time is compared with the limit value by a comparator 128. When the abnormality is detected, the signal is sent to the CPU 102 from the system 101 selected by a decoder 103 via a signal line 109.
JP62170938A 1987-07-10 1987-07-10 Detecting device for program abnormality Pending JPS6415838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62170938A JPS6415838A (en) 1987-07-10 1987-07-10 Detecting device for program abnormality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62170938A JPS6415838A (en) 1987-07-10 1987-07-10 Detecting device for program abnormality

Publications (1)

Publication Number Publication Date
JPS6415838A true JPS6415838A (en) 1989-01-19

Family

ID=15914154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62170938A Pending JPS6415838A (en) 1987-07-10 1987-07-10 Detecting device for program abnormality

Country Status (1)

Country Link
JP (1) JPS6415838A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012058782A (en) * 2010-09-03 2012-03-22 Hagiwara Electric Co Ltd Abnormality inspection method in computer device and computer device using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012058782A (en) * 2010-09-03 2012-03-22 Hagiwara Electric Co Ltd Abnormality inspection method in computer device and computer device using the same

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