CN101944056B - Method and device for monitoring multitask system - Google Patents
Method and device for monitoring multitask system Download PDFInfo
- Publication number
- CN101944056B CN101944056B CN 201010291526 CN201010291526A CN101944056B CN 101944056 B CN101944056 B CN 101944056B CN 201010291526 CN201010291526 CN 201010291526 CN 201010291526 A CN201010291526 A CN 201010291526A CN 101944056 B CN101944056 B CN 101944056B
- Authority
- CN
- China
- Prior art keywords
- flag register
- task
- tasks carrying
- individual event
- start flag
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The embodiment of the invention discloses a method and device for monitoring a multitask system, which is used for improving the monitoring efficiency of the multitask system. The method comprises the following steps: setting task start flag registers and task execution flag registers, setting task start flag bits and task execution flag bits for all the tasks in the registers, when the tasks are started, setting the same flag bits for the task start flag registers and the task execution flag registers, in the process of executing main tasks, obtaining the flag bits of the task start flag registers and the flag bits of the task execution flag registers, judging whether the flag bits of the two kinds of registers are the same, if so, clearing the task counter and simultaneously clearing and resetting the task execution flag registers, and if not, resetting the system. Therefore, the operation conditions of all the tasks can be known and whether the system needs to be reset can be determined by only judging once each time, thus improving the judging efficiency.
Description
Technical field
The present invention relates to computer realm, a kind of multitask system method for supervising of special design and device.
Background technology
house dog (WDT, Watchdog Timer) divide hardware watchdog and software watchdog, hardware watchdog is to utilize a timer circuit, its timing output is connected to the reset terminal of circuit, also just started the counter of house dog after system's operation, house dog just begins Auto-counting, program at timing cycle to the timer zero clearing, when therefore program works, timer always can not overflow, also just can not produce reset signal, if program breaks down, house dog does not reset in timing cycle, just make WatchDog Timer overflow to produce the reset signal starting system of laying equal stress on, the same on the software watchdog principle, just the timer internal of the timer on hardware circuit with processor replaced, the house dog principle of work as mentioned above in single task system, easily realize, situation is more complicated in multitask system, as long as a task normal operation is arranged also regularly to the timer zero clearing, WatchDog Timer just can not overflow, unless all tasks all break down, just can make WatchDog Timer overflow and produce the reset signal starting system of laying equal stress on.
The problem that occurs in order to solve above-mentioned multitask system monitoring in prior art, software simulation house dog counter out is set for each task, then regularly inquire about the dog situation of feeding of each software watchdog, determine thus whether to call and feed the dog instruction, zero clearing house dog counter, if finding has any one software watchdog to overflow, stop feeding dog, allow system reset.
Above technical scheme need to judge to the house dog counter of each task whether the ruuning situation that just can judge all tasks in system is normal, reduced the monitoring efficiency of multitask system.
Summary of the invention
The embodiment of the present invention provides a kind of multitask system method for supervising and device, can improve the monitoring efficiency of multitask system.
The multitask system method for supervising that the embodiment of the present invention provides comprises: task start flag register and tasks carrying flag register are set; The described task start flag register of set and described tasks carrying flag register, the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical; When the executive director is engaged in, obtain the zone bit of described task start flag register and the zone bit of described tasks carrying flag register; Whether the zone bit that judges described task start flag register is identical with the zone bit of described tasks carrying flag register, if identical, zero clearing task counter, zero clearing and the described tasks carrying flag register of set again, if not identical, resetting system.
The multitask system supervising device that the embodiment of the present invention provides comprises: setting unit is used for arranging task start flag register and tasks carrying flag register; The set unit is used for the described task start flag register of set and described tasks carrying flag register, and the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical; Acquiring unit is used for obtaining the zone bit of described task start flag register and the zone bit of described tasks carrying flag register when the executive director is engaged in; Judging unit is used for judging whether the zone bit of described task start flag register is identical with the zone bit of described tasks carrying flag register; The zero clearing unit is used for zero clearing task counter, and zero clearing tasks carrying flag register; Reset unit is used for resetting system.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
in the embodiment of the present invention, in the monitoring to multitask system, in multitask system, task start flag register and tasks carrying flag register are set, for all tasks, task start zone bit and tasks carrying zone bit are set in register, when task start, task start flag register and tasks carrying flag register are put identical zone bit, in the main task implementation, obtain the zone bit of startup flag register and the zone bit of tasks carrying flag register, judge both whether identical, if identical zero clearing task counter, zero clearing and set tasks carrying flag register again, if difference is resetting system, thereby each only the need judges once, just can learn the ruuning situation of all tasks and whether need determine resetting system, reduced the judgement time, improved judging efficiency.
Description of drawings
Fig. 1 is an embodiment of multitask system method for supervising in the embodiment of the present invention;
Fig. 2 is another embodiment of multitask system method for supervising in the embodiment of the present invention;
Fig. 3 is an embodiment of multitask system supervising device in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of multitask system method for supervising, be used for to improve the monitoring efficiency of multitask system, and the present invention also provides a kind of multitask system supervising device, below is elaborated respectively.
Need to prove, the method that provides in the embodiment of the present invention and device, can be applied in the watch dog monitoring program of embedded OS, also can be applied in all embedded real time system (RTOS that need WatchDog Timer, Real-time operating system) in, concrete range of application is not construed as limiting herein.
See also Fig. 1, the multitask system method for supervising in the embodiment of the present invention comprises:
101, task start flag register and tasks carrying flag register are set;
In the embodiment of the present invention, in a multitask system, task start flag register and tasks carrying flag register are set, these two kinds of flag registers that flag register is global variable, preferably, a task start flag register and a tasks carrying flag register are set, can save system resource, the task start flag register is used for the startup sign instruction of temporary individual event task, the tasks carrying flag register is used for the execution instruction of temporary individual event task, for example to the instruction of house dog counter O reset, namely feed the dog instruction.
Need to prove, the tasks carrying flag register can be used for temporary instruction to the house dog counter O reset, can be also the execution instruction of other individual event tasks, and the kind of temporary instruction is relevant with actual application, specifically is not construed as limiting herein.
102, set task start flag register and tasks carrying flag register;
When arbitrary individual event task brings into operation, set task start flag register and tasks carrying flag register, the initial mark position of the initial mark position that makes all individual event tasks in the task start flag register and all individual event tasks of tasks carrying flag register is identical, for example, in the task start flag register, the initial mark position of all individual event tasks is set to 1, in the tasks carrying flag register, the initial mark position of all individual event tasks also is set to 1, concrete set process will describe in detail in subsequent embodiment.
103, obtain the zone bit of task start flag register and the zone bit of tasks carrying flag register;
In the main task implementation, can be by the zone bit of all individual event tasks in the zone bit of all individual event tasks in preset time timing acquisition task start flag register and tasks carrying flag register, concrete preset time is relevant with actual application, is not construed as limiting herein.
104, judge whether the zone bit of task start flag register is identical with the zone bit of tasks carrying flag register;
After step 103 gets the zone bit of the zone bit of task start flag register and described tasks carrying flag register, judge whether task start flag register and tasks carrying sign are posted device identical, in the zone bit that can judge all individual event tasks in the task start flag register and tasks carrying flag register, whether the zone bit of all individual event tasks is identical, if identical, execution in step 105, if not identical, execution in step 106.
for example, if in the task start flag register, the zone bit of all individual event tasks is 1, and in the tasks carrying flag register, the zone bit of all individual event tasks is also 1, judged result is that the zone bit of the task start flag register in system is identical with the zone bit of tasks carrying flag register so, and then execution in step 105, if in the task start flag register, the zone bit of all individual event tasks is 1, and the zone bit that one or several individual event task is arranged in the tasks carrying flag register is 0, judged result is that the zone bit of individual event task in the task start flag register is different from the zone bit of individual event task in the tasks carrying flag register so, and then execution in step 106.
105, zero clearing task counter, zero clearing and set tasks carrying flag register again;
If the judged result in step 104 is, the zone bit of task start flag register is identical with the zone bit of tasks carrying flag register, think that each individual event task run of system is normal, can carry out zero clearing to the house dog counter of task, and the tasks carrying flag register of each individual event task of zero clearing, then again the tasks carrying flag register of individual event task is carried out set, make the zone bit of tasks carrying flag register of individual event task identical with the zone bit of task start flag register.
106, resetting system.
If the judged result in step 104 is that the zone bit of the task start flag register of one or several individual event task is different from the zone bit of tasks carrying flag register, thinks that fault has appearred in system, and system is resetted, and restarts system.
in the embodiment of the present invention, when multitask system is monitored, task start flag register and tasks carrying flag register are set, for all tasks, task start zone bit and tasks carrying zone bit are set in register, when task start, task start flag register and tasks carrying flag register are put identical zone bit, in the main task implementation, obtain the zone bit of startup flag register and the zone bit of tasks carrying flag register, judge both whether identical, if identical zero clearing task counter, zero clearing and set tasks carrying flag register again, if difference is resetting system, thereby each only the need judges once, just can learn the ruuning situation of all tasks and whether need determine resetting system, reduced the judgement time, improved judging efficiency.
The below please refer to Fig. 2, and in the embodiment of the present invention, another embodiment of multitask system method for supervising comprises:
201, task start flag register and tasks carrying flag register are set;
In the embodiment of the present invention, the content of step 201 is identical with the content of aforementioned step 101 shown in Figure 1, repeats no more herein.
202, start flag register and tasks carrying flag register according to task priority set;
During the individual event task start, at individual event task priority corresponding position superset task start flag register and tasks carrying flag register, the initial mark position of the initial mark position that makes the task start flag register and tasks carrying flag register is identical.
Concrete, each individual event task has priority separately, and 6 tasks are arranged in supposing the system, and the priority of task 1 is 1, the priority of task 2 is 2, by that analogy, the priority of task 6 is 6, so basis priority separately, the execution sequence of these 6 tasks is for executing the task at first 1, then execute the task 2, by that analogy, execute the task at last 6.
further, there are a plurality of positions can be used for arranging the zone bit of each individual event task in the task start flag register, also there are a plurality of positions can be used for arranging the zone bit of each individual event task in task execute flag register, suppose task start flag register and the tasks carrying flag register of task 5 are carried out set, when task 5 starts, the zone bit of corresponding task 5 in set task start flag register, the 5th bit flag position that the task start flag register namely is set is 1, the zone bit of the 5th with the tasks carrying flag register also is set to 1 so, make the task start flag register identical with the set of tasks carrying flag register, understandable, follow-up be also that to register the 5th carries out zero clearing during to the flag register zero clearing.
Need to prove, if the priority ratio of individual event task is higher, exceeded restriction or other unaccommodated situations of flag register figure place when priority number, can adjust accordingly as the case may be.
203～206, identical to 106 contents with aforementioned step 103 in embodiment illustrated in fig. 1, repeat no more herein.
207, according to preset time timing set tasks carrying flag register;
Concrete, at first preset the time of set, each preset time that arrives, tasks carrying flag register in the individual event task is carried out zero clearing, and to tasks carrying flag register set again, identical with the zone bit of startup flag register in the individual event task with the zone bit that guarantees the tasks carrying flag register.
Need to prove, can arrange arbitrarily the setting time of presetting, but must guarantee to have time enough to make all individual event tasks complete set in a circulation duration of main task, otherwise, if preset time is too short, when main task judged again, the individual event task is set tasks carrying flag register not yet, caused main task that the result of two kinds of register flag bit judgements of individual event task is made mistakes.
For example, 6 individual event tasks are arranged in supposing the system, be 0.5 second timing setting time of each individual event task, cycling time of main task is 1.5 seconds, in a cyclic process of main task, each individual event task can be carried out twice set to the tasks carrying flag register at least, guarantees that the zone bit of tasks carrying flag register is identical with the zone bit of startup flag register in the individual event task.
What need to further illustrate is, it is short that the setting time of presetting also can not ether, and the set meeting causes the waste of system resource too frequently.
208, zero clearing or task start flag register and tasks carrying flag register are not carried out set;
When certain individual event task can not be made watch dog monitoring, in the time of need to forbidding this individual event task is carried out watch dog monitoring, if the task start flag register of this individual event task and the not yet set of tasks carrying flag register so, this task start flag register and tasks carrying flag register are not carried out set, if to task start flag register and the set of tasks carrying flag register of this individual event task, task start flag register and tasks carrying flag register are carried out zero clearing.
Need to prove, forbid that it can be temporary transient that this individual event task is carried out watch dog monitoring, follow-uply can recover watchdog function, can be also permanent, stops watchdog function, and the concrete mode of forbidding is relevant with practical application, is not construed as limiting herein.
209, the individual event task that breaks down of inquiry and this individual event task is processed.
Have in system the task start flag register of individual event task and this individual event task the tasks carrying flag register zone bit not simultaneously, can inquire this individual event task that breaks down, and this individual event task is processed accordingly, as the looking up the fault reason or restart this individual event task.
Need to prove, the concrete mode of the individual event task that inquiry is broken down can by existing techniques in realizing, specifically be not construed as limiting herein.
in the embodiment of the present invention, start flag register and tasks carrying flag register according to task priority set, can reduce the register setting, conserve system resources, according to preset time timing set tasks carrying flag register, and to tasks carrying flag register set again, guarantee when main task judges again, task start flag register and tasks carrying flag register to the individual event task correctly judge, and can not cause because of frequent set the waste of system resource, when certain individual event task counter can not be done house dog and system is monitored, temporary transient or this individual event task of permanent ban is carried out watch dog monitoring, can not affect the operation of other parts of system.
The below is described the multitask system supervising device in the embodiment of the present invention, sees also Fig. 3, and the multitask system supervising device in the embodiment of the present invention comprises:
Setting unit 301 is used for arranging task start flag register and tasks carrying flag register;
Set unit 302 is used for set tasks carrying flag register, makes the zone bit of tasks carrying flag register identical with the zone bit of task start flag register;
Acquiring unit 303 is used for obtaining the zone bit of task start flag register and the zone bit of tasks carrying flag register when the executive director is engaged in;
Judging unit 304 is used for judging whether the zone bit of task start flag register is identical with the zone bit of tasks carrying flag register;
Zero clearing unit 305, be used for zero clearing task counter and tasks carrying flag register, if and be used for to forbid individual event task counter is carried out zero clearing, when to the task start flag register of individual event task and the set of tasks carrying flag register, task start flag register and the tasks carrying flag register of individual event task carried out zero clearing;
Reset unit 306 is used for resetting system.
In the present embodiment, the multitask system supervising device can also comprise:
Query unit 307 is used for the individual event task that inquiry is broken down;
Processing unit 308 is used for the individual event task that breaks down is processed.
For ease of understanding, the below describes the contact between each unit of multitask system supervising device in the present embodiment with a concrete application scenarios:
At first, setting unit 301 arranges task start flag register and the tasks carrying flag register of global variable in multitask system, 302 pairs of set unit task start flag register and tasks carrying flag register carry out set, the initial mark position of the initial mark position that makes the task start flag register and tasks carrying flag register is identical, and set unit 302 can be according to each task priority to task start flag register and the set of tasks carrying flag register.
Need to prove, the performed concrete set function in set unit 302 can be identical with the content of step 202 in aforementioned embodiment shown in Figure 2, repeats no more herein.
when main task begins to carry out, the zone bit of all individual event tasks in the zone bit of all individual event tasks and tasks carrying flag register in the task start flag register in acquiring unit 303 timing acquisition tasks, judging unit 304 judges whether these two kinds of zone bits are identical, if zone bit is identical, think that each individual event task run of system is normal, 305 pairs of zero clearing unit house dog counter carries out zero clearing, and zero clearing tasks carrying flag register, again the tasks carrying flag register is carried out set by set unit 302, if zone bit is different, think that fault has appearred in system, 306 pairs of systems of reset unit reset, restart system.
in each individual event task, the tasks carrying flag register that needs the individual event task that set again breaks down, otherwise when main task judges again, the individual event task is set tasks carrying flag register not yet, cause main task that the result of two kinds of register flag bit judgements of individual event task is made mistakes, at first, preset setting time, in each individual event task, the setting time that each arrival is preset, tasks carrying flag register in 305 pairs of zero clearing unit individual event task carries out zero clearing, and carry out set again by this tasks carrying flag register of set 302 pairs of unit, zone bit with assurance tasks carrying flag register is identical with the zone bit of startup flag register in this individual event task.
Need to prove, can arrange arbitrarily the setting time of presetting, but must guarantee to have time enough to make all individual event tasks complete set in a circulation duration of main task, otherwise, if preset time is too short, when main task judges the individual event task again, the individual event task is set tasks carrying flag register not yet, cause main task that the result of two kinds of register flag bit judgements of individual event task is made mistakes, and the setting time of presetting is also can not ether short, and the set meeting causes the waste of system resource too frequently.
in particular cases, when certain individual event task counter can not be done house dog and system is monitored, in the time of need to forbidding this individual event task is carried out watch dog monitoring, if the task start flag register of this individual event task and the not yet set of tasks carrying flag register so, this task start flag register and tasks carrying flag register are not carried out set, if to task start flag register and the set of tasks carrying flag register of this individual event task, zero clearing unit 305 carries out zero clearing with task start flag register and tasks carrying flag register.
Need to prove, forbid that it can be temporary transient that this individual event task is carried out watch dog monitoring, follow-uply can recover watchdog function, can be also permanent, stops watchdog function, and the concrete mode of forbidding is relevant with practical application, is not construed as limiting herein.
After reset unit 306 pairs of systems resetted, query unit 307 can inquire this individual event task that breaks down, and is processed accordingly by 308 pairs of these individual event tasks of processing unit, as the looking up the fault reason or restart this individual event task.
Need to prove, the concrete mode of the individual event task that inquiry is broken down can by existing techniques in realizing, specifically be not construed as limiting herein.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
Above a kind of multitask system method for supervising provided by the present invention and device are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a multitask system method for supervising, is characterized in that, comprising:
Task start flag register and the tasks carrying flag register of individual event task are set;
When arbitrary individual event task brings into operation, the described task start flag register of set and described tasks carrying flag register, the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical;
When the executive director is engaged in, obtain the zone bit of described task start flag register and the zone bit of described tasks carrying flag register;
Whether the zone bit that judges described task start flag register is identical with the zone bit of described tasks carrying flag register, if identical, zero clearing task counter, zero clearing and the described tasks carrying flag register of set again, if not identical, resetting system.
2. method according to claim 1, it is characterized in that, described set starts flag register and tasks carrying flag register, makes the initial mark position of described task start flag register and identical the comprising of initial mark position of described tasks carrying flag register:
On position corresponding to individual event task priority, described task start flag register and described tasks carrying flag register are carried out set, the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical.
3. method according to claim 1, is characterized in that, described zero clearing task counter, and zero clearing also comprises after the described tasks carrying flag register of set again:
According to the described tasks carrying flag register of preset time timing set, make the zone bit of described tasks carrying flag register identical with the zone bit of described task start flag register.
4. the described method of according to claim 1 to 3 any one, it is characterized in that, if need to forbid, individual event task counter is carried out zero clearing, not yet during set, set is not carried out in task start flag register and the tasks carrying flag register of described individual event task when the task start flag register of described individual event task and tasks carrying flag register;
Perhaps,
When to the task start flag register of described individual event task and the set of tasks carrying flag register, task start flag register and the tasks carrying flag register of described individual event task carried out zero clearing.
5. method according to claim 1, is characterized in that, comprises after described resetting system:
The individual event task that inquiry is broken down is processed the described individual event task that breaks down.
6. a multitask system supervising device, is characterized in that, comprising:
Setting unit is for task start flag register and tasks carrying flag register that the individual event task is set;
The set unit, be used for when arbitrary individual event task brings into operation, the described task start flag register of set and described tasks carrying flag register, the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical;
Acquiring unit is used for obtaining the zone bit of described task start flag register and the zone bit of described tasks carrying flag register when the executive director is engaged in;
Judging unit is used for judging whether the zone bit of described task start flag register is identical with the zone bit of described tasks carrying flag register;
The zero clearing unit is used for zero clearing task counter, and zero clearing tasks carrying flag register;
Reset unit is used for resetting system.
7. device according to claim 6, is characterized in that,
Described set unit, also be used on position corresponding to individual event task priority, described task start flag register and described tasks carrying flag register being carried out set, the initial mark position of the initial mark position that makes described task start flag register and described tasks carrying flag register is identical.
8. device according to claim 6, is characterized in that,
Described set unit also is used for making the zone bit of described tasks carrying flag register identical with the zone bit of described task start flag register according to the described tasks carrying flag register of preset time timing set.
9. the described device of according to claim 6 to 8 any one, is characterized in that,
Described zero clearing unit, need to forbid individual event task counter is carried out zero clearing if also be used for, when to the task start flag register of described individual event task and the set of tasks carrying flag register, task start flag register and the tasks carrying flag register of described individual event task carried out zero clearing.
10. device according to claim 6, is characterized in that, described multitask system supervising device also comprises:
Query unit is used for the individual event task that inquiry is broken down;
Processing unit is used for the described individual event task that breaks down is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010291526 CN101944056B (en) | 2010-09-21 | 2010-09-21 | Method and device for monitoring multitask system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010291526 CN101944056B (en) | 2010-09-21 | 2010-09-21 | Method and device for monitoring multitask system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101944056A CN101944056A (en) | 2011-01-12 |
| CN101944056B true CN101944056B (en) | 2013-05-08 |
Family
ID=43436053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010291526 Expired - Fee Related CN101944056B (en) | 2010-09-21 | 2010-09-21 | Method and device for monitoring multitask system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101944056B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581322B (en) * | 2013-11-08 | 2017-02-08 | 大唐移动通信设备有限公司 | Method and system for monitoring server and server devices |
| CN109839903B (en) * | 2017-11-27 | 2020-08-14 | 大族激光科技产业集团股份有限公司 | Multi-task online cutting control method and system and laser cutting equipment |
| CN112783624A (en) * | 2021-01-18 | 2021-05-11 | 广汽零部件有限公司 | Non-real-time scheduling system for automobile and task execution method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595368A (en) * | 2003-09-13 | 2005-03-16 | 华为技术有限公司 | Abnormal monitoring equipment and method for multi-task system |
| CN101165630A (en) * | 2006-10-19 | 2008-04-23 | 中兴通讯股份有限公司 | Combined type reset system processing method and device |
| CN101216798A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Periodic task reliability control method based on watchdog and timer |
-
2010
- 2010-09-21 CN CN 201010291526 patent/CN101944056B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595368A (en) * | 2003-09-13 | 2005-03-16 | 华为技术有限公司 | Abnormal monitoring equipment and method for multi-task system |
| CN101165630A (en) * | 2006-10-19 | 2008-04-23 | 中兴通讯股份有限公司 | Combined type reset system processing method and device |
| CN101216798A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Periodic task reliability control method based on watchdog and timer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101944056A (en) | 2011-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018161901A1 (en) | Consensus method and device | |
| US9372717B2 (en) | Interruption of chip component managing tasks | |
| CN103885847A (en) | Dog feeding method and device based on embedded system | |
| CN104049702A (en) | Single chip microcomputer-based CPU (Central Processing Unit) reset control system, method and device | |
| US20130247069A1 (en) | Creating A Checkpoint Of A Parallel Application Executing In A Parallel Computer That Supports Computer Hardware Accelerated Barrier Operations | |
| CN101944056B (en) | Method and device for monitoring multitask system | |
| CN103257922A (en) | Method for quickly testing reliability of BIOS (basic input output system) and OS (operating system) interface codes | |
| CN103019706A (en) | Method and device for processing startup item | |
| CN104809013A (en) | Embedded system starting method and device | |
| JP2007323631A (en) | Cpu runaway determination circuit | |
| JP2009193492A (en) | Computer system, information processing method, and program | |
| CN108292236B (en) | Information processing method and device | |
| CN102929770B (en) | The monitoring and positioning method that Embedded Linux System User space task is exclusive | |
| CN112214291A (en) | Task scheduling method and device | |
| CN102169451B (en) | The method and apparatus that a kind of monitoring CPU is run | |
| US8726099B2 (en) | Data processing system | |
| JP2008225807A (en) | Control device, and program runaway monitoring method for the same | |
| CN104516745A (en) | Method and system for running timing task | |
| US8099637B2 (en) | Software fault detection using progress tracker | |
| CN105577310A (en) | Synchronization method for task partitioning and communication scheduling in time trigger network | |
| CN104360913B (en) | Monitoring module for computer operating system | |
| CN115145381A (en) | Method, system, storage medium and equipment for remotely resetting BMC chip | |
| CN103257864A (en) | Task scheduling method of embedded software | |
| CN110908792B (en) | Data processing method and device | |
| CN112256419A (en) | Embedded system multitask scheduling method based on timer clock control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Nanshan District high tech Industrial Village, Guangdong, R2,, B5 Patentee after: Farad Electric Co., Ltd. Address before: 518057 Nanshan District high tech Industrial Village, Guangdong, R2,, B5 Patentee before: Shenzhen Hualite Electric Appliances Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20200921 |