CN112242915B - Method and device for overload control of ONU (optical network Unit) equipment - Google Patents
Method and device for overload control of ONU (optical network Unit) equipment Download PDFInfo
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention aims to provide a method and a device for overload control of ONU equipment. One or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the SoC system resources are configured, wherein the load states comprise a normal load state and one or more stages of overload states; when the use state of one of the SoC system resources reaches one of the corresponding load states, the ONU equipment determines the proportion of one or more services corresponding to the SoC system resources, which can occupy the SoC system resources, respectively. In contrast to the prior art, the overload monitoring and control scheme of the present invention can be used to systematically detect resource overload conditions and take predefined control actions to keep the system running smoothly under high service loads.
Description
Technical Field
The present invention relates to a technique for overload control of ONU (Optical Network Unit ) equipment.
Background
For ONU embedded systems, many services require system resources to meet the respective service requirements. Different SoC (System on Chip) architectures have different System resource utilization schemes. By sharing the same system resources, one critical service may be affected by a lower priority service. The following table one is some examples of services on the bot (Broadcom) chip BCM55045 and the system resources required for them:
list one
For example, for an ONU with a 5UNI (User Network Interface ) port, it is currently only announced to support the minimum packet rate required by the IEEE-1588v2 standard, i.e. 16 SYNC packets per UNI per second, which in some scenarios, like synchronization frequency (by g.8265.1) would result in a considerable time to synchronize the frequencies. In order to meet customer requirements under certain configuration conditions, the aforementioned problems will result.
Specifically, for example, for IEEE-1588v2 service, if 5UNI ports all run 16 SYNC packets per second, it would consume approximately 40% of the CPU occupancy. Increasing the packet rate to a higher level (32 packets per second) consumes 80% of the CPU, which is too high for the system. For this reason, UNI can typically only be configured (via g.988 me) to support a fixed 16 SYNC packets per second.
Obviously, the current g.988 configuration scheme can only statically configure IEEE-1588v2 services. Similar situations may occur for other types of services.
Disclosure of Invention
The invention aims to provide a method and a device for overload control of ONU equipment.
According to an aspect of the present invention, there is provided a method for overload control of an ONU device, wherein the method comprises the steps of:
configuring one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the SoC system resources, wherein the load states comprise a normal load state and a one-stage or multi-stage overload state;
wherein the method further comprises the steps of:
when the use state of one of the SoC system resources is monitored to reach one of the corresponding load states, determining the proportion of one or more services corresponding to the SoC system resources, which can occupy the SoC system resources, respectively.
According to another aspect of the present invention, there is provided an apparatus for overload control of an ONU device, wherein the apparatus comprises:
the configuration device is used for configuring one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the SoC system resources, wherein the load states comprise a normal load state and one or more stages of overload states;
and the control device is used for determining the proportion of one or more services corresponding to the SoC system resources to occupy the SoC system resources when the use state of one of the SoC system resources reaches one of the corresponding load states.
In contrast to the prior art, the overload monitoring and control scheme of the present invention can be used to systematically detect resource overload conditions and take predefined control actions to keep the system running smoothly under high service loads. The present invention proposes ME configuration for overload control based on g.988. The Overload Control (OC) is configured by an OMCI (ONT (Optical Network Terminal, optical network terminal) Management and Control Interface, an ONT management and control interface) ME (management Entity), so that the overload control mechanism of the present invention can flexibly adapt to various SoC architectures and usage scenarios. Also, this also makes the invention easy to detect, since flexible adoption of OC mechanisms under various customer conditions would require that the OC parameters be configurable.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 shows a flow chart of a method for overload control of an ONU arrangement according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of an apparatus for overload control of an ONU device according to an embodiment of the present invention.
The same or similar reference numbers in the drawings refer to the same or similar parts.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a method flowchart according to an embodiment of the present invention, which specifically illustrates a process for overload control of an ONU device.
Referring to fig. 1, in step S0, an ONU device configures one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the one or more SoC system resources, respectively, where the load states include a normal load state and one or more stages of overload states; then, in step S1, when it is monitored that the usage state of one of the SoC system resources reaches the corresponding load state, the ONU device determines a proportion of the SoC system resources that can be occupied by one or more services corresponding to the SoC system resources.
Here, it should be understood by those skilled in the art that in step S0, the ONU device may configure SoC system resources to be monitored at any time, and after each configuration is completed, the ONU device performs load state monitoring on the configured SoC system resources in a subsequent step S1. And after the configuration of step S0 is completed, until the next configuration, the ONU device will continuously execute step S1 to perform overload control on the SoC system resources.
Specifically, in step S0, the ONU device configures one or more SoC system resources to be subjected to overload monitoring and thresholds of respective load states corresponding to the one or more SoC system resources.
Among other things, soC system resources that may be configured include any resource provided by the SoC architecture, such as the various system resources shown in table one, specifically, CPU resources, RAM resources, buffer resources, and the like.
The SoC system resources to be monitored may be configured by default, or may be flexibly configured according to the needs of the user/application.
The load states of the SoC system resources include a NORMAL load state (NORMAL overload) and an overload state, and the load threshold may be set to determine. For example, the load threshold for a normal load state may be 50%, when exceeded, soC system resources are in an overload state.
Further, the overload conditions may be graded, e.g. at least two levels of overload conditions may be included: a low overload state (MINOR overload) and a high overload state (CRITICAL overload). For example, the load threshold for the low overload state is set to 70%, and when the load threshold is exceeded, the high overload state is determined.
The corresponding thresholds for the respective load states for each SoC system resource may be different. For example, for a CPU occupancy, its threshold for a normal load state may be 50% and its threshold for a low overload state may be 70%; for RAM occupancy, its normal load state threshold may be 60% and its low overload state threshold may be 80%.
It should be understood by those skilled in the art that the above-mentioned corresponding thresholds of each load state corresponding to SoC system resources are merely examples, and are for illustrating the purpose of the present invention, and should not be construed as any limitation of the present invention. For different user demands/application purposes, the corresponding threshold value of each load state corresponding to the SoC system resource can be configured according to actual needs.
Then, in step S1, when it is monitored that the usage state of one of the SoC system resources reaches one of the corresponding load states, the ONU device determines a proportion of the SoC system resources that can be occupied by each of one or more services corresponding to the SoC system resources.
Here, the judgment of the load state should be determined by the continuous detection result over a certain period of time. That is, if the usage status of a SoC system resource exceeds the load threshold value by 50% continuously detected within a time interval (interval), it is determined that the SoC system resource is in an overload status.
Different detection time intervals may be set for different load conditions, for example, the detection interval for a normal load condition may be slightly longer, e.g. 5s, and the detection interval for an overload condition may be slightly shorter, e.g. 3s.
It will be appreciated by those skilled in the art that the above-described detection time interval is provided for illustrative purposes only, and should not be construed as limiting the invention in any way, and that the detection time for different load conditions may be set according to specific user/application requirements.
1) Normal load condition
When the use state of one SoC system resource is in a normal load state, maintaining or improving the proportion that one or more services corresponding to the SoC system resource can occupy the SoC system resource.
Here, there are typically multiple services to call the same SoC system resource, and how to allocate the SoC system resource among different services is also an important content of overload control.
When one SoC system resource is in a normal load state, the ONU equipment can maintain the current resource proportion required by each service.
However, in order to provide better services for high priority services, the ONU device may also boost the proportion of the SoC system resources that it can occupy for the current high priority service.
2) Overload condition
When the use state of the SoC system resource is in an overload state, the proportion of the SoC system resource which can be occupied by one or more services corresponding to the SoC system resource is limited or reduced.
When a SoC system resource is in an overload state, the ONU device can limit or reduce the proportion of the current services that can use the resource.
For example, when the CPU is overloaded, the ONU device may set an upper limit on the proportion of the CPU resources that can be used by the current services, or reduce the proportion of the CPU resources that can be used by the current services to a certain level. In some extreme scenarios, ONU devices may reduce the CPU occupancy of some services to 0, i.e. turn off these services.
In addition, when the usage state of the SoC system resource is in an overload state, the ONU device may also issue a warning of the current overload state. Alternatively, the alert may be arranged to be issued only but not displayed, i.e. the alert is not presented to the user.
Further, for the case with multiple overload states, different detection time intervals may be set for different levels of overload states as well, for example, the detection interval for a low overload state may be slightly longer, e.g. 4s, and the detection interval for a high overload state may be slightly shorter, e.g. 3s.
For different overload states, the ONU device may also employ different means to adjust the proportion of the overload resources that are currently available to each service.
When the usage state of one SoC system resource is in a low overload state, the ONU device may limit or reduce the proportion of the SoC system resource that can be occupied by one or more services corresponding to the SoC system resource.
For example, in accordance with the priority of each service currently using the SoC system resource, the proportion in which the high priority service can use the resource is limited, and the proportion in which the low priority service can use the resource is reduced, and even the service in which the priority is lowest can be turned off.
In addition, when the usage state of one SoC system resource is in a low overload state, the ONU device may issue a warning to the user of the current low overload state. The warning may also be invisible to the user.
When the use state of one SoC system resource is in a high overload state, the ONU device can reduce the proportion of the SoC system resource that can be occupied by the low priority service in one or more services corresponding to the SoC system resource to be lower than the proportion that can be occupied by the SoC system resource in the low overload state. For example, a low priority service may still occupy 10% of the CPU resources when the CPU is overloaded low, and may only occupy 5% of the CPU resources when the CPU is overloaded high.
In more extreme cases, when the usage state of a SoC system resource is in a high overload state, a low priority service occupying the resource may be turned off, i.e. the resource occupancy is 0. Because the current SoC system resource is already in a high overload state, in order to ensure that the system can still run stably, the ONU device can close the low priority service in the services currently using the SoC system resource.
When the usage status of one SoC system resource is in a high overload status, the ONU device may issue a warning to the user of the current high overload status. The warning may also be invisible to the user.
When entering a specific load state, a configurable threshold on occupancy and the time interval that needs to be maintained to determine the load state must be met; after entering a new load state, the SoC implementation specific operation needs to be treated as an overload control operation to adapt the system services to better service under that condition.
According to the overload control and configuration scheme of the invention, the following parameters can be configured through configuration channels such as OMCI ME, TR069 and the like.
In comparison with the previous example, for an ONU with a 5UNI port, it is currently only declared to support the minimum packet rate required by the IEEE-1588v2 standard, i.e. 16 SYNC packets per UNI per second, which in some scenarios would result in a considerable time to synchronize the frequencies (by g.8265.1). Using the overload monitoring and control scheme of the present invention, the threshold for NORMAL load status (NORMAL) is set to 50%, for example, and the corresponding control operation is set to a higher SYNC packet rate to better service. In client sites where only one UNI port needs to support IEEE-1588v2, this can help achieve higher SYNC packet rates, thereby speeding up synchronization.
An overload control configuration according to one embodiment of the present invention will be described below taking the g.988omci ME configuration as an example.
Configuration of overload control thresholds
The ONU shall CREATE/DELETE an instance of the ME after receiving a CREATE/DELETE (CREATE/DELETE) message from the OLT (Optical Line Terminal ). The ONU interface requires the following tables two and three:
watch II
| Sequence number | Warning | Description of the invention |
| 0 | CPU real-time low overload | CPU reaches low overload state in real time |
| 1 | CPU real-time high overload | CPU reaches high overload state in real time |
| 2 | Resource 1 low overload | Resource 1 reaches a low overload condition |
| 3 | Resource 1 high overload | Resource 1 reaches a high overload state |
| 4 | Resource 2 low overload | Resource 2 reaches a low overload condition |
| 5 | Resource 2 high overload | Resource 2 reaches a high overload state |
| 6 | Resource 3 low overload | Resource 3 reaches a low overload condition |
| 7 | Resource 3 high overload | Resource 3 reaches a high overload state |
| 8 | Resource 4 low overload | Resource 4 reaches a low overload condition |
| 9 | Resource 4 high overload | Resource 4 reaches a high overload state |
| 10 | Resource 5 low overload | Resource 5 reaches a low overload condition |
| 11 | Resource 4 high overload | Resource 5 reaches a high overload state |
| 12 | Resource 6 low overload | Resource 6 reaches a low overload condition |
| 13 | Resource 6 high overload | Resource 6 reaches a high overload state |
| 14 | Resource 7 low overload | Resource 7 reaches a low overload condition |
| 15 | Resource 7 high overload | Resource 7 reaches a high overload state |
| 16 | Resource 8 low overload | Resource 8 reaches a low overload condition |
| 17 | Resource 8 high overload | Resource 8 reaches a high overload state |
| 18…223 | Reservation of |
Watch III
Configuration of overload control intervals
The ONU shall CREATE/DELETE an instance of the ME after receiving a CREATE/DELETE (CREATE/DELETE) message from the OLT (Optical Line Terminal ). The ONU interface requires the following table four:
table four
Overload control operation
The ONU shall CREATE/DELETE an instance of the ME after receiving a CREATE/DELETE (CREATE/DELETE) message from the OLT (Optical Line Terminal ). The ONU interface requires the following table five:
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TABLE five
Fig. 2 is a schematic diagram of an apparatus according to an embodiment of the present invention, which specifically illustrates an apparatus for overload control of an ONU device.
Referring to fig. 2, the onu apparatus 20 is provided with an overload control device 200, and the overload control device 200 is further provided with a configuration device 201 and a control device 202.
The configuration device 201 configures one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the one or more SoC system resources, wherein the load states comprise a normal load state and one or more stages of overload states; then, when it is monitored that the usage state of one of the SoC system resources reaches the corresponding load state, the control device 202 determines a proportion of the SoC system resources that can be occupied by one or more services corresponding to the SoC system resources.
Here, it should be understood by those skilled in the art that the configuration device 201 configures SoC system resources to be monitored at any time, and after each configuration is completed, the control device 202 performs load status monitoring on the configured SoC system resources in a subsequent operation. And, after one configuration of the configuration device 201 is completed, until the next configuration, the control device 202 will continuously perform the above operation to perform overload control on the SoC system resources.
Specifically, the configuration device 201 configures one or more SoC system resources to be subjected to overload monitoring and thresholds of respective load states corresponding to the one or more SoC system resources.
Among other things, soC system resources that may be configured include any resource provided by the SoC architecture, such as the various system resources shown in table one, specifically, CPU resources, RAM resources, buffer resources, and the like.
The SoC system resources to be monitored may be configured by default, or may be flexibly configured according to the needs of the user/application.
The load states of the SoC system resources include a NORMAL load state (NORMAL overload) and an overload state, and the load threshold may be set to determine. For example, the load threshold for a normal load state may be 50%, when exceeded, soC system resources are in an overload state.
Further, the overload conditions may be graded, e.g. at least two levels of overload conditions may be included: a low overload state (MINOR overload) and a high overload state (CRITICAL overload). For example, the load threshold for the low overload state is set to 70%, and when the load threshold is exceeded, the high overload state is determined.
The corresponding thresholds for the respective load states for each SoC system resource may be different. For example, for a CPU occupancy, its threshold for a normal load state may be 50% and its threshold for a low overload state may be 70%; for RAM occupancy, its normal load state threshold may be 60% and its low overload state threshold may be 80%.
It should be understood by those skilled in the art that the above-mentioned corresponding thresholds of each load state corresponding to SoC system resources are merely examples, and are for illustrating the purpose of the present invention, and should not be construed as any limitation of the present invention. For different user demands/application purposes, the corresponding threshold value of each load state corresponding to the SoC system resource can be configured according to actual needs.
Then, when it is monitored that the usage state of one of the SoC system resources reaches one of the corresponding load states, the control device 202 determines a proportion of the SoC system resources that can be occupied by one or more services corresponding to the SoC system resources.
Here, the judgment of the load state should be determined by the continuous detection result over a certain period of time. That is, if the usage status of a SoC system resource exceeds the load threshold value by 50% continuously detected within a time interval (interval), it is determined that the SoC system resource is in an overload status. The continuous monitoring operation may be performed, for example, by a dedicated monitoring device. The monitoring device (not shown in fig. 2) may be provided in the overload control apparatus 200.
Different detection time intervals may be set for different load conditions, for example, the detection interval for a normal load condition may be slightly longer, e.g. 5s, and the detection interval for an overload condition may be slightly shorter, e.g. 3s.
It will be appreciated by those skilled in the art that the above-described detection time interval is provided for illustrative purposes only, and should not be construed as limiting the invention in any way, and that the detection time for different load conditions may be set according to specific user/application requirements.
1) Normal load condition
When the usage status of one SoC system resource is in the normal load status, the control operation 202 maintains or promotes the proportion that the one or more services corresponding to the SoC system resource can each occupy the SoC system resource.
Here, there are typically multiple services to call the same SoC system resource, and how to allocate the SoC system resource among different services is also an important content of overload control.
The control device 202 may maintain the current proportion of resources required for each service when one SoC system resource is in a normal load state.
However, in order to provide better services for high priority services, the ONU device may also boost the proportion of the SoC system resources that it can occupy for the current high priority service.
2) Overload condition
When the usage status of the SoC system resource is in the overload status, the control device 202 limits or reduces the proportion of the SoC system resource that can be occupied by one or more services corresponding to the SoC system resource.
When a SoC system resource is in an overload state, the control device 202 may limit or decrease the proportion of the resource that is currently available to services.
For example, when the CPU is overloaded, the control device 202 may set an upper limit on the proportion of the CPU resources that the current services are able to, or reduce the proportion of the CPU resources that the current services are able to a certain level. In some extreme scenarios, the control device 202 may reduce the CPU occupancy of some services to 0, i.e. turn off these services.
Furthermore, the overload control apparatus 200 may also include a warning apparatus (not shown in fig. 2). When the use state of the SoC system resources is in an overload state, the warning device may also issue a warning of the current overload state. Alternatively, the alert may be arranged to be issued only but not displayed, i.e. the alert is not presented to the user.
Further, for the case with multiple overload states, different detection time intervals may be set for different levels of overload states as well, for example, the detection interval for a low overload state may be slightly longer, e.g. 4s, and the detection interval for a high overload state may be slightly shorter, e.g. 3s.
The control means 202 may also employ different means for adjusting the proportion of the overload resources that are currently available to the services for different overload conditions.
When the usage status of one SoC system resource is in the low overload status, the control device 202 may limit or reduce the proportion of the SoC system resource that can be occupied by one or more services corresponding to the SoC system resource.
For example, the control device 202 limits the proportion in which the high priority service can use the resource and reduces the proportion in which the low priority service can use the resource, and may even shut down the service in which the priority is lowest, in accordance with the priority of each service that currently uses the SoC system resource.
In addition, when the usage state of one SoC system resource is in a low overload state, the warning device may issue a warning to the user of the current low overload state. The warning may also be invisible to the user.
When the usage status of one SoC system resource is in the high overload status, the control device 202 may reduce the ratio of the SoC system resource that can be occupied by the low priority service in the one or more services corresponding to the SoC system resource to be lower than the ratio of the SoC system resource that can be occupied by the low priority service in the low overload status. For example, a low priority service may still occupy 10% of the CPU when the CPU is low overloaded, and may only occupy 5% of the CPU when the CPU is high overloaded.
In more extreme cases, when the usage state of a SoC system resource is in a high overload state, a low priority service occupying the resource may be turned off, i.e. the resource occupancy is 0. Since the SoC system resource is already in a high overload state, to ensure that the system still operates stably, the control device 202 may close a low priority service in the services currently using the SoC system resource.
When the usage state of one SoC system resource is in a high overload state, the warning device may issue a warning to the user of the current high overload state. The warning may also be invisible to the user.
When entering a specific load state, a configurable threshold on occupancy and the time interval that needs to be maintained to determine the load state must be met; after entering a new load state, the SoC implementation specific operation needs to be treated as an overload control operation to adapt the system services to better service under that condition.
It should be noted that the present invention may be implemented in software and/or a combination of software and hardware, for example, using Application Specific Integrated Circuits (ASIC) or any other similar hardware device.
The software program of the present invention may be executed by a processor to perform the steps or functions described above. Likewise, the software program of the present invention (including the associated data structures) may be stored in a storage medium of the ONU device, such as RAM memory and the like. In addition, some of the steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various functions or steps.
In addition, portions of the present invention may be applied as a program product, such as program instructions, which when executed by a SoC, may invoke or provide methods and/or techniques in accordance with the present invention by way of operation of the SoC system. Program instructions for invoking the inventive methods may be stored in fixed or removable recording media and/or transmitted via a data stream in a broadcast or other signal bearing medium and/or stored within a working memory of an ONU device operating according to the program instructions. Here, according to one embodiment of the present invention, it includes an apparatus including a memory for storing program instructions and a processor for executing the program instructions, wherein the program instructions, when executed by the processor, trigger the apparatus to operate the method and/or the technical solution according to the embodiments of the present invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the system claims can also be implemented by means of software or hardware by means of one unit or means. The terms first, second, etc. are used to denote a name, but not any particular order.
Claims (10)
1. A method for overload control of an ONU device, wherein the method comprises the steps of:
configuring one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the SoC system resources respectively through OMCIME, wherein the ONU equipment creates/deletes an instance of a corresponding ME after receiving a create/delete message from the OLT;
wherein the load state comprises a normal load state and one or more stages of overload states;
wherein the method further comprises the steps of:
when the use state of one of the SoC system resources reaches one of the corresponding load states, determining the proportion of one or more services corresponding to the SoC system resources, which can occupy the SoC system resources, respectively; wherein:
when the use state of the SoC system resources is in a normal load state, maintaining or improving the proportion of the SoC system resources which can be occupied by one or more services corresponding to the SoC system resources;
when the use state of the SoC system resources is in an overload state, the proportion of the SoC system resources which can be occupied by one or more services corresponding to the SoC system resources is limited or reduced.
2. The method of claim 1, wherein a proportion of the SoC system resources that can be occupied by a high priority service of the one or more services to which the SoC system resources correspond is promoted.
3. The method of claim 1, wherein the overload condition comprises at least a two-stage overload condition: a low overload state and a high overload state;
-limiting or reducing the proportion of the SoC system resources that each of the one or more services corresponding to the SoC system resources can occupy when the usage status of the SoC system resources is in the low overload status;
-when the usage status of the SoC system resources is in the high overload status, reducing the proportion of the SoC system resources that can be occupied by a low priority service among one or more services corresponding to the SoC system resources to be lower than the proportion that can be occupied by the SoC system resources in the low overload status.
4. A method according to claim 1 or 3, wherein the method comprises:
and when the using state of the SoC system resource is in the overload state, sending a warning to a user of the current overload state.
5. The method of claim 1, wherein the method further comprises:
and when the use state of the SoC system resource is continuously monitored to reach one of the corresponding load states within a preset time interval, determining that the use state of the SoC system resource reaches the load state.
6. An apparatus for overload control of an ONU device, wherein the apparatus comprises:
the configuration device is used for configuring one or more SoC system resources to be subjected to overload monitoring and thresholds of load states corresponding to the SoC system resources through OMCIME, wherein the ONU equipment creates/deletes the instance of the corresponding ME after receiving the creation/deletion message from the OLT;
wherein the load state comprises a normal load state and one or more stages of overload states;
the control device is used for determining the proportion of one or more services corresponding to the SoC system resources to occupy the SoC system resources when the use state of one of the SoC system resources reaches one of the corresponding load states; wherein:
when the use state of the SoC system resources is in a normal load state, maintaining or improving the proportion of the SoC system resources which can be occupied by one or more services corresponding to the SoC system resources;
when the use state of the SoC system resources is in an overload state, the proportion of the SoC system resources which can be occupied by one or more services corresponding to the SoC system resources is limited or reduced.
7. The apparatus of claim 6, wherein a proportion of one or more services corresponding to the SoC system resource that a high priority service is able to occupy the SoC system resource is raised.
8. The apparatus of claim 6, wherein the overload condition comprises at least a two-stage overload condition: a low overload state and a high overload state;
-limiting or reducing the proportion of the SoC system resources that each of the one or more services corresponding to the SoC system resources can occupy when the usage status of the SoC system resources is in the low overload status;
-when the usage status of the SoC system resources is in the high overload status, reducing the proportion of the SoC system resources that can be occupied by a low priority service among one or more services corresponding to the SoC system resources to be lower than the proportion that can be occupied by the SoC system resources in the low overload status.
9. The apparatus according to claim 6 or 8, wherein the apparatus further comprises:
and the warning device is used for sending a warning to a user of the current overload state when the using state of the SoC system resource is in the overload state.
10. The apparatus of claim 6, wherein the apparatus further comprises:
and the monitoring device is used for continuously monitoring that the use state of the SoC system resource reaches one of the corresponding load states within a preset time interval, and determining that the use state of the SoC system resource reaches the load state.
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