JPS6415838A - Detecting device for program abnormality - Google Patents
Detecting device for program abnormalityInfo
- 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
Links
Landscapes
- 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.
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)
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 |
-
1987
- 1987-07-10 JP JP62170938A patent/JPS6415838A/en active Pending
Cited By (1)
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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