CN115562852A - Sleep lock optimization method and device, electronic equipment and storage medium - Google Patents

Abstract

Embodiments of the present application provide a sleep lock optimization method, device, electronic equipment, and storage medium. The sleep lock optimization method includes: first obtaining current system resource parameters, the system resource parameters including at least one of CPU load, memory recovery pressure and storage resource pressure, and then if the system resource parameters meet the preset parameter threshold, Then reduce the optimistic spin time of the sleep lock. Through the above method, by comparing the CPU load, memory recovery pressure and storage resource pressure with the preset parameter thresholds, reduce the optimistic spin of the sleep lock after the CPU load, memory recovery pressure and storage resource pressure all meet the preset parameter thresholds Time, you can adjust the optimistic spin time of the sleep lock, thereby reducing the system load and the lock waiting time of the process, thereby avoiding the excessive CPU load caused by the optimistic spin time being too long.

Description

Sleep lock optimization method, device, electronic equipment and storage medium

technical field

The present application belongs to the field of computer technology, and in particular relates to a sleep lock optimization method, device, equipment and readable storage medium.

Background technique

Among the locks required by the system process, such as spin locks and sleep locks, since the process switches from the sleep state to the wake-up state, it will take time and consume CPU resources, reducing the performance of the system. In order to reduce the consumption of CPU resources and save time, an optimistic spin operation can be added to the sleep lock. Optimistic spin means that after the system process fails to apply for a lock, it does not go to sleep immediately, but spins and waits within a certain time threshold. In related sleep lock optimization methods, when setting the optimistic spin time of the sleep lock, the optimistic spin time of the sleep lock is usually set too long, resulting in an excessive load on the CPU.

Contents of the invention

In view of the above problems, the present application proposes a sleep lock optimization method, device, electronic equipment, and storage medium, so as to improve the above problems.

In the first aspect, the embodiment of the present application provides a sleeping lock optimization method, the method comprising: obtaining current system resource parameters, the system resource parameters including at least one of CPU load, memory recovery pressure and storage resource pressure ; If the system resource parameter meets the preset parameter threshold, reduce the optimistic spin time of the sleep lock.

In a second aspect, the embodiment of the present application provides a sleep lock optimization device, the device includes a system resource parameter acquisition unit and a system resource parameter comparison unit. A system resource parameter acquisition unit, configured to acquire current system resource parameters, the system resource parameters including at least one of CPU load, memory recovery pressure, and storage resource pressure; a system resource parameter comparison unit, configured to determine if the system resource If the parameter meets the preset parameter threshold, the optimistic spin time of the sleep lock is reduced.

In a third aspect, the embodiment of the present application provides an electronic device, including one or more processors and memory; one or more programs, wherein the one or more programs are stored in the memory and configured as Executed by the one or more processors, the one or more programs are configured to execute the above method.

In a fourth aspect, the embodiment of the present application provides a computer-readable storage medium, where a program code is stored in the computer-readable storage medium, wherein the above method is executed when the program code is running.

Embodiments of the present application provide a sleep lock optimization method, device, electronic equipment, and storage medium. The sleep lock optimization method includes: first obtaining current system resource parameters, the system resource parameters including at least one of CPU load, memory recovery pressure and storage resource pressure, and then if the system resource parameters meet the preset parameter threshold, Then reduce the optimistic spin time of the sleep lock. Through the above method, by comparing the CPU load, memory recovery pressure and storage resource pressure with the preset parameter thresholds, reduce the optimistic spin of the sleep lock after the CPU load, memory recovery pressure and storage resource pressure all meet the preset parameter thresholds Time, you can adjust the optimistic spin time of the sleep lock, thereby reducing the system load and the lock waiting time of the process, thereby avoiding the excessive CPU load caused by the optimistic spin time being too long.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 shows a flow chart of a sleep lock optimization method proposed by an embodiment of the present application;

FIG. 2 shows a flow chart of a sleep lock optimization method proposed in another embodiment of the present application;

Fig. 3 shows a flow chart of obtaining storage resource pressure proposed by yet another embodiment of the present application;

FIG. 4 shows a flow chart of obtaining memory recovery pressure proposed by yet another embodiment of the present application;

FIG. 5 shows a flow chart of obtaining CPU load proposed by another embodiment of the present application;

FIG. 6 shows a flow chart of a sleep lock optimization method proposed in another embodiment of the present application;

FIG. 7 shows a flow chart of a sleep lock optimization method proposed in another embodiment of the present application;

FIG. 8 shows a flow chart of a sleep lock optimization method proposed in another embodiment of the present application;

FIG. 9 shows a structural block diagram of a sleep lock optimization device proposed by an embodiment of the present application;

FIG. 10 shows a structural block diagram of an electronic device for executing the sleep lock optimization method of the embodiment of the present application in real time of the present application;

FIG. 11 shows a storage unit for storing or carrying program codes for implementing the sleep lock optimization method according to the embodiment of the present application in real time of the present application.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the scope of protection of this application.

Among the locks required by the system process, such as spin locks and sleep locks, since the process switches from the sleep state to the wake-up state, it will take time and consume system resources, reducing the performance of the system. In the spin lock, when the process needs to hold the lock, if it finds that the lock is already held by other processes, the CPU will continue to run to unlock the process holding the lock; in the sleep lock, when the process needs to hold the lock, the lock will be found If the lock is already held by another process, the process will go to sleep and will not be woken up until the lock-holding process is unlocked.

In the research of the related sleep lock optimization method, the inventor found that the related sleep lock method generally means that when the user applies for holding the sleep lock, if the sleep lock is already held by other processes, the process will go to sleep state, until the process holding the lock releases the sleep lock, the process is not woken up by the system. However, in the above method, if the lock-holding process is held for a short period of time, the sleep lock will be released. At this time, the process is still in the sleep state, and the process may not be able to hold the lock immediately, but will wait for a period of time. Switching from sleep state to wake state will not only consume a certain amount of CPU load, but also consume a certain amount of time.

Therefore, the inventor proposes the sleep lock optimization method, device, electronic equipment and readable storage medium in this application. First obtain the current system resource parameters, the system resource parameters include at least one of CPU load, memory recovery pressure and storage resource pressure, and then if the system resource parameters meet the preset parameter threshold, then reduce the optimistic self-control of the sleep lock spin time. Through the above method, by comparing the CPU load, memory recovery pressure and storage resource pressure with the preset parameter thresholds, reduce the optimistic spin of the sleep lock after the CPU load, memory recovery pressure and storage resource pressure all meet the preset parameter thresholds Time, you can adjust the optimistic spin time of the sleep lock, thereby reducing the system load and the lock waiting time of the process, thereby avoiding the excessive CPU load caused by the optimistic spin time being too long.

Various embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Please refer to Fig. 1, the embodiment of the present application provides a sleep lock optimization method, the method includes:

Step S110: Obtain current system resource parameters, where the system resource parameters include at least one of CPU load, memory recovery pressure, and storage resource pressure.

As a manner, the system resource parameter includes at least one of CPU load, memory recovery pressure, and storage resource pressure. For example, the system resource parameter may include any one of CPU load, memory recovery pressure, and storage resource pressure; or, the system resource parameter may include any two of CPU load, memory recovery pressure, and storage resource pressure; or, the system resource Parameters can include CPU load, memory reclamation pressure, and storage resource pressure. Among them, CPU load is used to represent the tightness of CPU resources, memory recovery pressure is used to represent the tightness of system memory, and storage resource pressure is used to represent the tightness of IO load. Optionally, when the system performs task scheduling through the task scheduling subsystem, the current CPU load can be obtained through the task scheduling subsystem; the current memory recovery pressure can be obtained during the memory recovery process; When performing task scheduling, the current storage resource pressure is obtained through the task scheduling subsystem.

In the embodiment of the present application, the CPU load may be obtained when the system performs task scheduling. The CPU load can be used to display the operating load of the CPU within a period of time. The greater the CPU load, the more tasks are running. If the CPU is in a high load state for a long time, it is easy to cause adverse effects on the service life of the CPU and other computer hardware. Therefore, by monitoring the size of the CPU load, the CPU can be prevented from running under a high load for a long time.

As a method, in order to make reasonable use of CPU resources, after obtaining the CPU load status, if the CPU is detected to be in a high load status, some running tasks that occupy a lot of CPU resources can be terminated, thereby reducing the CPU load. ; If it detects that the CPU is in a low load state, you can plan to run some tasks.

As a method, there are two main reasons for the system to reclaim memory. One is that the system needs to provide enough memory for any sudden memory application at any time, so that the use of cache and other related memory will not let the remaining memory of the system The second is that when there is a memory request larger than free memory, due to the shortage of system memory, the memory allocation request cannot be satisfied, the system will directly trigger the forced memory recovery mechanism, and try to reclaim memory to solve the problem. The kernel has two different mechanisms for the above two reasons. One is that the Linux system has designed the kswapd background recovery thread. When the kernel allocates memory to the process, because the system memory is lower than the low water level, the system cannot save the memory below the low watermark. The memory is allocated under the water level, so the kswapd background recycling thread will be awakened to asynchronously reclaim the memory. Although the kswapd background recycling thread will be created when the system starts, it is in a sleep state most of the time. Only when the process is allocated due to insufficient memory When it fails, it will be awakened, so that the kswapd background recovery thread can be used to reclaim memory for process use; second, the Linux system will trigger direct memory recovery. When the kernel calls the page allocation function to allocate memory, due to the shortage of system memory, the allocation request cannot be satisfied , the kernel will trigger the page recycling mechanism and try to reclaim memory to solve the problem. When performing memory allocation, only when the water level is between the low water level and the min water level, the kswapd background recovery thread will work, and when the water level is lower than the min water level, direct memory recovery will be triggered. Among them, the kernel is the core of the system. Its main responsibilities include process management, disk management, task scheduling and memory management. Software-initiated requests are sent to hardware.

In the embodiment of the present application, when the memory allocation is performed, because the system memory is lower than the preset memory, the memory allocation may fail, so that the process enters the slow path. After the process enters the slow path, the memory recovery operation will be triggered. The duration of a single memory recovery can be obtained during the memory recovery operation. As a way, the duration of a single memory recovery can be used as the memory recovery pressure to obtain the current memory recovery pressure.

Among them, when the system memory size is higher than the low water mark, the system can quickly allocate and acquire memory, and this process is a fast path; while when the system memory size is lower than the low water mark, the system cannot normally allocate memory and will enter the slow path.

Wherein, the category of memory reclamation can be the page of file mapping and anonymous page, wherein, the page of file mapping can comprise pagecache, dcache in slab, icache, the code segment of the executable program of user process and file mapping page; Anonymous page can be Including the physical memory requested by the process using various APIs, including heap, stack, shared memory in inter-process communication, pipe, bss segment, data segment, and tmpfs pages. There is no way to write back these parts directly, and they need to be created In the swap area, these pages are also converted into file-mapped pages, which can be written back to disk. At the same time, depending on whether the page is dirty, the system handles memory reclamation differently. Dirty pages need to be written back to disk before recycling, while clean pages can be released directly.

In the embodiment of the present application, the storage resource pressure can be obtained when the system performs task scheduling. Storage resource pressure can be used to display the size of the IO operating pressure for a period of time. Therefore, by detecting the size of the IO load, the IO load can be used as the current storage resource pressure to avoid long-term high-load operation of storage resources. state.

As a way, when it is detected that memory reclamation has just started, it can start to get the current memory reclamation pressure. Specifically, when the memory is lower than the low water mark, the system will trigger memory recovery. Memory reclamation can include kswapd memory reclamation and direct memory reclamation. The trigger conditions of the aforementioned two kinds of memory reclamation are different. Therefore, the memory reclamation method can be determined by detecting the trigger conditions of memory reclamation, and then the start time of memory reclamation can be determined. After determining the start time of memory recovery, start to obtain the current memory recovery pressure.

As another way, when it is detected that the system performs task scheduling through the task scheduling subsystem, the current CPU load can be obtained through the task scheduling subsystem. Specifically, a task scheduling subsystem may be provided in the system, and the task scheduling subsystem may include functions of task scheduling and data reading. In the embodiment of the present application, the data reading function of the task scheduling subsystem is mainly used to read the current CPU load. Optionally, a task identifier can be set for each task in advance, and then it can be determined whether the task is scheduled by the task scheduling subsystem by detecting the task identifier. When the corresponding task identifier is detected, it is determined that the task scheduling subsystem is scheduling the task , start to get the current CPU load.

As another manner, when it is detected that the system performs task scheduling through the task scheduling subsystem, the current IO load may be obtained through the task scheduling subsystem. Specifically, a task scheduling subsystem may be provided in the system, and the task scheduling subsystem may include functions of task scheduling and data reading. In the embodiment of the present application, the data reading function of the task scheduling subsystem is mainly used to read the current IO load, and the IO load is used as the system resource pressure at the current moment. Optionally, a task identifier can be set for each task in advance, and then it can be determined whether the task is scheduled by the task scheduling subsystem by detecting the task identifier. When the corresponding task identifier is detected, it is determined that the task scheduling subsystem is scheduling the task , start to get the current IO load, that is, the system resource pressure.

Step S120: If the system resource parameter meets the preset parameter threshold, reduce the optimistic spin time of the sleep lock.

In the embodiment of the present application, the preset parameter threshold is used to characterize the threshold that the corresponding system resource parameter satisfies a condition. Wherein, the preset parameter threshold may include at least one of a preset load threshold, a preset pressure threshold, and a preset resource threshold, and the preset load threshold, the preset pressure threshold, and the preset resource threshold are respectively related to the CPU load and the memory recovery pressure. Corresponding to storage resource pressure.

Among them, the optimistic spin of the sleep lock means that after the process fails to apply for the lock, it spins and waits within a certain time threshold before entering the sleep state. The time threshold is set by the system.

In the embodiment of the present application, the system resource parameters obtained by the aforementioned method are compared with the preset preset parameter thresholds, and when it is determined that the current system resource parameters meet the preset parameter thresholds, the optimistic spin of the sleep lock is reduced time. Wherein, the current system resource parameter meeting the preset parameter threshold may include at least one of CPU load meeting the preset load threshold, memory reclamation pressure meeting the pressure threshold, and storage resource pressure meeting the preset resource threshold. For example, in the case where the system resource parameters only include the CPU load, the current system resource parameters satisfy the preset parameter threshold including the CPU load meeting the preset load threshold; In some cases, the current system resource parameter meeting the preset parameter threshold may include that the CPU load meets the preset load threshold, the memory reclamation pressure meets the pressure threshold, and the storage resource pressure meets the preset resource threshold.

When it is detected that the current system resource parameter meets the preset parameter threshold, the optimistic spin time of the sleep lock is reduced. When reducing the optimistic spin time of the sleep lock, the corresponding reduced optimistic spin time can be determined according to the size of the current system resource parameter. The larger the current system resource parameter is, the more the reduced optimistic spin time is.

A sleeping lock optimization method provided by the present application, first obtains the current system resource parameters, the system resource parameters include at least one of CPU load, memory recovery pressure and storage resource pressure, and then if the system resource parameters meet the preset Set the parameter threshold to reduce the optimistic spin time of the sleep lock. Through the above method, by comparing the CPU load, memory recovery pressure and storage resource pressure with the preset parameter thresholds, reduce the optimistic spin of the sleep lock after the CPU load, memory recovery pressure and storage resource pressure all meet the preset parameter thresholds Time, you can adjust the optimistic spin time of the sleep lock, thereby reducing the system load and the lock waiting time of the process, thereby avoiding the excessive CPU load caused by the optimistic spin time being too long.

Please refer to Fig. 2, the embodiment of the present application provides a sleep lock optimization method, the method includes:

Step S201: Obtain the current state of the sleep lock in response to the lock request sent by the thread.

In the embodiment of this application, the thread needs to apply for the lock before holding the sleep lock. Therefore, the thread can send the lock application. After receiving the lock application sent by the thread, the system responds to the lock application and obtains the current The state of the sleep lock.

Step S202: If the sleep lock is not idle, acquire the lock type of the current sleep lock.

As a manner, if it is detected that the current sleep lock is held by other threads, then it is determined that the sleep lock is in a non-idle state, and the thread acquires the lock type of the current sleep lock. Wherein, the lock type of the sleep lock may include two types of special lock and general lock. Among them, the dedicated lock is a sleep lock associated only with a single system resource. System resources include but not limited to CPU resources, memory resources, storage resources or network resources; general locks are sleep locks associated with CPU resources, memory resources and storage resources. sleep lock.

As another way, if it is detected that the current sleep lock is not held by other threads, it is determined that the sleep lock is in an idle state, and the thread directly holds the lock.

Step S203: If the lock type of the sleep lock is a general lock, detect whether the system resource parameter satisfies the preset parameter threshold.

In the embodiment of this application, the system resource parameters include three parts of parameters, one is CPU load, the other is memory recovery pressure, and the third is storage resource pressure; the preset parameter threshold includes three parts of parameters, one is the preset load threshold, and the other is The preset pressure threshold, and the third is the preset resource threshold. Wherein, the preset load threshold corresponds to CPU load, the preset pressure threshold corresponds to memory recovery pressure, and the preset resource threshold corresponds to storage resource pressure. Wherein, the preset parameter threshold may be a fixed value, or may be adjusted according to threads, which is not specifically limited here.

As a method, the method for obtaining storage resource pressure is described in steps S2031 and S2032, the method for obtaining memory recovery pressure is described in steps S2033, S2034 and S2035, and the method for obtaining CPU load is described in steps S2036 and S2037.

After the system obtains the CPU load, memory recovery pressure, and storage resource pressure, it can compare and judge the CPU load, memory recovery pressure, and storage resource pressure with the preset parameter thresholds to determine whether the system resource parameters meet the preset parameter thresholds.

Step S2031 obtains the total amount of system IO within a preset time period.

In the embodiment of the present application, when the system performs task scheduling, it can obtain the total amount of IO of each IO node in a certain period of time. Wherein, the time period may be set to any value, for example, the time period may be set to 4ms.

At the same time, each IO load calculation may lead to an increase in the system load, thereby affecting system performance. Therefore, the total IO of the system can be obtained after each preset time period, thereby reducing the impact of IO load calculation on system performance. Wherein, the preset time period can be set in advance, or can be set according to different tasks. Exemplarily, if the number of scheduled tasks is greater than the preset number threshold, the preset time period is extended; if the number of scheduled tasks is less than or equal to the preset number threshold, the preset time period is shortened, so that Reduce the number of IO load calculations, that is, reduce the number of storage resource pressure calculations, thereby reducing the impact of storage resource pressure calculations on the system.

Step S2032: Calculate the IO load based on the total amount of IO in the preset time period, and use the IO load as a current system resource parameter.

In the embodiment of this application, the system obtains the total amount of IO of each IO node through task scheduling, so that the current IO load can be obtained by calculating the total amount of IO of each IO node. The calculation formula is as follows: IO load = total amount of IO/ Time, that is, the value of the IO load is obtained by dividing the total amount of IO by the time.

After obtaining the current IO load through the above method, the system can detect whether the task scheduling is completed. If the task scheduling is completed, the system will perform the next task scheduling and end the IO load monitoring this time.

Exemplarily, the process described in step S2031 and step S2032 can be shown in Figure 3. When the system is monitoring the IO load, the system will first schedule the subsystems to obtain the total IO of the system for a period of time, and then according to the system's The total amount of IO calculates the IO load, then schedules the next task, and finally ends the monitoring.

Step S2033: If the current free memory is lower than the preset memory, start memory recovery operation.

In the embodiment of this application, before the system performs the memory reclamation operation, it needs to monitor the relationship between the free memory of the current system and the preset memory. If the free memory of the current system is lower than the preset memory, the memory reclamation operation will be triggered . Among them, the preset memory is used to indicate that the free memory of the current system is very low. The preset memory can be a specific value set by the user, or it can be the memory threshold contained in the system. The memory threshold contained in the system can be the low water level, No specific limitation is made here.

Step S2034: Obtain the start time and end time corresponding to the memory recovery operation.

In the embodiment of the present application, when the system performs the memory recovery operation, the system records the start time when the memory recovery operation starts, and records the end time when the memory recovery operation ends.

Step S2035: Determine the current memory recovery pressure based on the start time and the end time.

In the embodiment of the present application, based on the start time and end time corresponding to the memory recovery operation, the duration of a single memory recovery operation of the memory recovery operation can be obtained. Wherein, the duration of a single memory recovery may be the end time minus the start time, and the value of the duration of a single memory recovery is the value of memory recovery pressure.

After the memory recovery pressure is obtained through the above method, the system can determine whether the current free memory of the system is greater than the preset memory. If the system detects that the current free memory of the system is still lower than the preset memory after a memory reclamation, it will perform the memory reclamation operation again and record the value of the duration of a single memory reclamation; if the system detects that a memory reclamation is performed, When the current free memory of the system is greater than the preset memory, the duration of a single memory recovery is set to 0, and the memory recovery operation is ended to prevent the system from misjudging the memory and avoid errors in the monitoring of memory recovery pressure .

Exemplarily, the process described in step S2033, step S2034 and step S2035 can be shown in Figure 4, when the system is performing memory load monitoring, memory allocation will be performed first, and when the system finds that the current free memory of the system is lower than the preset memory , for memory recovery. When memory recovery is performed, the start time of memory recovery is recorded as timestamp 1, and the end time of memory recovery is recorded as time stamp 2. The duration of a single memory recovery can be calculated through timestamp 1 and timestamp 2, and the duration of a single memory recovery is recorded as STALL_TIME. The STALL_TIME is timestamp 2 minus timestamp 1. After the current memory recovery is over, you can First judge whether the current free memory of the system is greater than the preset memory, if the current free memory of the system is greater than or equal to the preset memory, then determine that the current free memory of the system is sufficient, and then set STALL_TIME to 0, and end memory recovery; if the system If the current free memory is less than the preset memory, the current free memory of the system is not sufficient, and memory recovery needs to be continued.

Step S2036: Obtain the running time and idle time of the CPU within a preset time period.

In the embodiment of the present application, when the system performs task scheduling, it can obtain the running time and idle time of each CPU node within a certain period of time. Wherein, the time period may be set to any value, for example, the time period may be set to 1s. Among them, the CPU idle time is mainly caused by the mismatch between CPU and I/O device operating speeds. In order to make full use of CPU resources, the system does not allow the CPU to have too much idle time. The system generally uses CPU idle time and reduces Two aspects of CPU idle time are used to propose solutions, among which commonly used methods include multi-programming, DMA and I/O channels.

At the same time, each CPU load calculation may lead to an increase in the system load, thereby affecting system performance. Therefore, the running time and idle time of the CPU can be obtained after a preset period of time, thereby reducing the impact of CPU load calculation on system performance. coming impact. Wherein, the preset time period can be set in advance, or can be set according to different tasks. Exemplarily, the preset time period can be simply set to 100ms, and the preset time period can also be set according to the number of scheduled tasks, for example, if the number of scheduled tasks is greater than the preset number threshold, the preset The time period is extended; if the number of scheduled tasks is less than or equal to the preset number threshold, the preset time period is shortened, so that the number of CPU load calculations can be reduced, thereby reducing the impact of CPU load calculations on the system.

Step S2037: Determine the current CPU load based on the running time and the idle time.

In this embodiment of the application, the system obtains the running time and idle time of each CPU node through task scheduling, so that the current CPU load can be obtained by calculating the running time and idle time of each CPU node. The calculation formula is as follows: CPU load = Running time/(idle time+running time), that is, the value of the CPU load is obtained by dividing the running time by the sum of the running time and idle time.

After obtaining the current CPU load through the above method, the system can monitor whether the task scheduling is completed. If the task scheduling is completed, the system will perform the next task scheduling and end the current CPU load monitoring.

Exemplarily, the process described in step S2036 and step S2037 can be shown in Figure 5. When the system is monitoring the CPU load, the system obtains the running time and idle time of the system CPU for a period of time through the scheduling subsystem, and then according to the running time and idle time The time calculates the CPU load, and after the load calculation is completed, the next task is scheduled, and finally the monitoring ends.

Step S204: If the system resource satisfies the preset parameter threshold, reduce the optimistic spin time of the sleep lock.

As a manner, if the system resource parameter includes a CPU load, and the CPU load is greater than a preset load threshold, it is determined that the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

As a way, the current CPU load is compared with a preset load threshold to determine an optimistic self-selection time for reducing the sleep lock after the condition is met. Including: if the CPU load is greater than the preset load threshold, the preset parameter threshold is satisfied, and the optimistic spin time of the sleep lock is reduced.

In the embodiment of the present application, before reducing the optimistic spin time of the sleep lock, the system needs to compare the system resource parameter with the preset parameter threshold, and the optimistic spin time of the sleep lock can be reduced only after the condition is met. After the process applies for the lock, the sleep lock is in a non-idle state, which triggers the operation of obtaining the CPU load. The system obtains the CPU load by obtaining the running time and idle time of the CPU, and compares the CPU load with the preset load threshold. If the CPU load is greater than the preset load threshold, the system reduces the optimistic spin time of the sleep lock.

As another manner, if the system resource parameter includes memory reclamation pressure, and the memory reclamation pressure is greater than a preset pressure threshold, it is determined that the preset parameter threshold is satisfied, and the optimistic spin time of the sleep lock is reduced.

As a way, the current memory recovery pressure is compared with the preset pressure threshold, and the optimistic spin time of the sleep lock is reduced after the condition is met. Including: if the memory recovery pressure is greater than the preset pressure threshold, the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

In the embodiment of the present application, before reducing the optimistic spin time of the sleep lock, the system needs to compare the system resource parameter with the preset parameter threshold, and the optimistic spin time of the sleep lock can be reduced only after the condition is met. After the process applies for the lock, the sleep lock is in a non-idle state, which triggers the operation of obtaining memory recovery pressure. The system obtains the memory recovery pressure by obtaining the duration of a single memory recovery, and compares the memory recovery pressure with the preset pressure threshold. If If the memory recovery pressure is greater than the preset pressure threshold, the system reduces the optimistic spin time of the sleep lock.

Optionally, if the system resource parameters include storage resource pressure, and the storage resource pressure is greater than a preset resource threshold, it is determined that the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

As a way, the current storage resource pressure is compared with the preset resource threshold, and the optimistic spin time of the sleep lock is reduced after the condition is satisfied. Including: if the storage resource pressure is greater than the preset pressure threshold, the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

In the embodiment of the present application, before reducing the optimistic spin time of the sleep lock, the system needs to compare the system resource parameter with the preset parameter threshold, and the optimistic spin time of the sleep lock can be reduced only after the condition is met. After the process applies for the lock, the sleep lock is not idle, which triggers the operation of obtaining storage resource pressure. The system obtains the IO load by obtaining the total IO of the system within a period of time. The resource pressure is compared with the preset resource threshold. If the storage resource pressure is greater than the preset resource threshold, the system reduces the optimistic spin time of the sleep lock.

Optionally, if the system resource parameters include CPU load, memory recovery pressure, and storage resource pressure, the CPU load is greater than a preset load threshold, and the memory recovery pressure is greater than a preset pressure threshold, and the storage resource pressure If it is greater than the preset resource threshold, it is determined that the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

In the embodiment of the present application, before reducing the optimistic spin time of the sleep lock, the system needs to compare the system resource parameter with the preset parameter threshold, and the optimistic spin time of the sleep lock can be reduced only after the condition is met. Since the sleep lock is in a non-idle state after the process applies for the lock, the operation of obtaining the CPU load, memory recovery pressure, and storage resource pressure is triggered. The system obtains the system resource parameters and compares the system resource parameters with the preset parameter thresholds. If If the system resource parameter is greater than the preset parameter threshold, it is determined that the preset parameter threshold is met, and the optimistic spin time of the sleep lock is reduced.

Step S205: If the system resource parameter does not meet the preset parameter threshold, keep the optimistic spin time of the sleep lock as the preset time.

As a manner, the system resource parameter is compared with a preset parameter threshold to determine an optimistic spin time for maintaining the sleep lock after the system resource parameter does not meet the preset parameter threshold. The specific steps of step S205 include: if the system resource parameters include CPU load, memory recovery pressure, and storage resource pressure, and the CPU load is less than or equal to a preset load threshold, and the memory recovery pressure is less than or equal to a preset pressure threshold, and storing If the resource pressure is less than or equal to the preset resource threshold, the system resource parameters do not meet the preset parameter threshold, and the optimistic spin time of the sleep lock is maintained.

In the embodiment of the present application, before the system maintains the optimistic spin time of the sleep lock, the system needs to compare the system resource parameter with the preset parameter threshold, and the optimistic spin time of the sleep lock can only be maintained after the condition is not met. Since the sleep lock is not idle after the process applies for the lock, it triggers the operation of obtaining CPU load, memory recovery pressure and storage resource pressure, and compares the CPU load, memory recovery pressure and storage resource pressure with the preset load threshold and preset pressure threshold Compared with the preset resource threshold, if the CPU load is less than or equal to the preset load threshold, and the memory recovery pressure is less than or equal to the preset pressure threshold, and the storage resource pressure is less than or equal to the preset resource threshold, the system maintains the optimism of the sleep lock spin time.

A sleep lock optimization method provided by the present application first responds to the lock holding application sent by the thread to obtain the state of the current sleep lock, and then if the sleep lock is in an idle state, obtains the lock type of the current sleep lock. The lock type of the sleep lock is a general lock, and it is detected whether the system resource parameter meets the preset parameter threshold, and if the system resource meets the preset parameter threshold, the optimistic spin time of the sleep lock is reduced, If the system resource parameter does not meet the preset parameter threshold, keep the optimistic spin time of the sleep lock as the preset time. Through the above method, by comparing the specific resource with the preset parameter threshold and reducing the optimistic spin time after the specific resource meets the preset parameter threshold, the optimistic spin time of the sleep lock can be adjusted, thereby reducing the system load and process load etc. Lock time, thereby avoiding excessive CPU load caused by too long optimistic spin time.

Referring to Fig. 6, the embodiment of the present application provides a sleep lock optimization method, the method comprising:

Step S301: In response to the lock request sent by the thread, obtain the current state of the sleep lock.

For details of step S301, reference may be made to the detailed explanations in the foregoing embodiments, so details are not described in this embodiment.

Step S302: if the sleep lock is not idle, acquire the lock type of the current sleep lock.

For details of step S302, reference may be made to the detailed explanations in the foregoing embodiments, so details are not described in this embodiment.

Step S303: If the lock type of the sleep lock is a dedicated lock, detect whether the system resource parameter meets the preset parameter threshold.

In the embodiment of the present application, the system resource parameters include CPU load, memory recovery pressure and storage resource pressure. Meanwhile, the dedicated lock also has other system resources associated with it, including network resources and USB transmission resources. According to the different system resources associated with the dedicated lock, the system resource parameters are also different, and the dedicated lock only compares and judges one kind of system resource parameter. Exemplarily, if the system resource involved in the dedicated lock is a CPU resource, the preset parameter threshold is a preset load threshold; if the system resource involved in the dedicated lock is a memory recovery resource, the preset parameter threshold is a preset pressure threshold; if The system resources involved in the dedicated lock are storage resources, and the preset parameter threshold is the preset resource threshold.

After the system obtains the system resource parameters according to different dedicated locks, it can compare and judge the system resource parameters with the preset parameter thresholds to determine whether the system resource parameters meet the preset parameter thresholds.

As a method, the method for obtaining storage resource pressure is described in steps S2031 and S2032, the method for obtaining memory recovery pressure is described in steps S2033, S2034 and S2035, and the method for obtaining CPU load is described in steps S2036 and S2037.

For a dedicated lock, if the system resource parameters include any parameter in CPU load, memory recovery pressure, or storage resource pressure, and the system resource pressure is less than or equal to a preset parameter threshold, it is determined that the preset parameter threshold is not met, Then keep the optimistic spin time of the sleep lock as the preset time.

In this embodiment of the application, only one type of system resource is associated with a dedicated lock, and the system resource includes but is not limited to one of CPU load, memory recovery pressure, storage resource pressure, network resource, or USB transmission resource. When the parameter is less than or equal to the preset resource threshold, the system resource parameter does not meet the preset parameter threshold, and the system keeps the optimistic spin time of the sleep lock as the preset time. Among them, the preset time of optimistic spin is set by the system itself.

Step S304: If the system resource parameter satisfies the preset parameter threshold, acquire the type of the thread.

In this embodiment of the present application, if the CPU load is greater than a preset load threshold, or the memory recovery pressure is greater than the preset pressure threshold, or the storage resource pressure is greater than the preset resource threshold, the system acquires the thread type. Thread types can be divided into background ordinary threads and background non-ordinary threads, among which, background ordinary threads and background non-ordinary threads are marked by the system itself.

Step S305: If the type of the thread is not a background ordinary thread, reduce the optimistic spin time of the sleep lock.

In the embodiment of this application, if it is a dedicated lock, and the system detects that the thread type is not a background ordinary thread, then reduce the optimistic spin time of the sleep lock.

Step S306: If the type of the thread is a background ordinary thread, control the sleep lock to enter sleep.

In the embodiment of the present application, if it is a dedicated lock and the system detects that the thread type is a background ordinary thread, the sleep lock is controlled to enter the sleep state.

A sleep lock optimization method provided by the present application first responds to the lock holding application sent by the thread to obtain the state of the current sleep lock, and then if the sleep lock is in a non-idle state, obtains the lock type of the current sleep lock, if The lock type of the sleep lock is a dedicated lock, detecting whether the system resource parameter meets the preset parameter threshold, and if the system resource parameter meets the preset parameter threshold, obtain the type of the thread, if the The type of thread is not background ordinary thread, then reduce the optimistic spin time of described sleep lock, if the type of described thread is background ordinary thread, then control described sleep lock to enter sleep. Through the above method, by comparing the specific resource with the preset parameter threshold and reducing the optimistic spin time after the specific resource meets the preset parameter threshold, the optimistic spin time of the sleep lock can be adjusted, thereby reducing the system load and process load etc. Lock time, thereby avoiding excessive CPU load caused by too long optimistic spin time.

Referring to Figure 7, the embodiment of the present application provides a sleep lock optimization method, the method includes:

Step S401: The process applies for holding a lock.

Step S402: Detect whether the lock is free, if the lock is free, execute step S403; if the lock is not idle, execute step S404.

Step S403: The process holds the lock.

In this embodiment of the application, if the system detects that the lock is idle, the process holds the lock.

Step S404: Detect whether it is a dedicated lock, if it is a dedicated lock, execute step S405; if not, execute step S409.

Step S405: Acquire specific resources, check whether the specific resources are in short supply, if the specific resources are in short supply, perform step S406; if the specific resources are not in short supply, perform step S409.

In this embodiment of the present application, specific resources may include CPU resources, memory resources, storage resources, and network resources, which are not specifically limited here. Specific resources are in one-to-one correspondence with dedicated locks. Exemplarily, if the dedicated lock is a network lock, then the specific resource corresponds to a network resource.

After the system acquires a specific resource, it can compare the specific resource with the preset parameter threshold to determine whether the specific resource is tight, and then determine whether to obtain the background ordinary thread or maintain the normal optimistic spin time.

Step S406: Obtain thread attributes, check whether it is a background ordinary thread, if it is a background ordinary thread, execute step S407; if it is not a background ordinary thread, execute step S408.

Step S407: sleep.

Step S408: Decrease the optimistic spin time.

In the embodiment of the present application, if it is not a background ordinary thread, then reduce the certain optimistic spin time of the sleep lock. The degree of reduction can be a fixed value, or can be adjusted according to the type of special lock, which is not specifically limited here.

Step S409: Normal optimistic spin time.

In the embodiment of the present application, the normal optimistic spin time of the sleep lock may be a fixed value, or may be adjusted according to the type of the dedicated lock, which is not specifically limited here.

In the sleep lock optimization method provided by this application, firstly, the process applies for holding a lock, and then checks whether the lock is free. If the lock is free, the process holds the lock. If the lock is not free, then checks whether it is a dedicated lock. For a specific resource, if it is not a dedicated lock, use the normal optimistic spin time, and then check whether the specific resource is tight, if the specific resource is tight, get the thread attribute, if the specific resource is not tight, then the normal optimistic spin time, and then check whether it is the background Ordinary thread, if it is a background ordinary thread, sleep, if it is not a background ordinary thread, reduce the optimistic spin time. Through the above method, by comparing the specific resource with the preset parameter threshold and reducing the optimistic spin time after the specific resource meets the preset parameter threshold, the optimistic spin time of the sleep lock can be adjusted, thereby reducing the system load and process load etc. Lock time, thereby avoiding excessive CPU load caused by too long optimistic spin time.

Please refer to FIG. 8, the embodiment of the present application provides a sleep lock optimization method, the method includes:

Step S501: The process applies for holding a lock.

For details of step S501, reference may be made to the detailed explanations in the foregoing embodiments, so details are not repeated in this embodiment.

Step S502: Detect whether the lock is free, if the lock is free, execute step S503; if the lock is not idle, execute step S504.

Step S503: The process holds the lock.

For details of step S503, reference may be made to the detailed explanation in the foregoing embodiments, so details are not repeated in this embodiment.

Step S504: Detect whether it is a general lock, if it is a general lock, execute step S505; if not, execute step S507.

Step S505: Acquire system resources, check whether the system resources are tight, if the system resources are tight, execute step S506; if the system resources are not tight, execute step S507.

In this embodiment of the application, system resources include three parts of parameters, one is CPU resources, the other is memory resources, and the third is storage resources. After the system obtains CPU resources, memory resources, and storage resources, it can Calculation of memory resources and storage resources In addition to system resource parameters, system resource parameters include three parts of parameters, one is CPU load, the other is memory recovery pressure, and the third is storage resource pressure. The obtained CPU load, memory recovery pressure and storage resource pressure are compared with The preset parameter thresholds are compared and judged to determine whether the system resource parameters meet the preset parameter thresholds, and then to determine whether to reduce the optimistic spin time of the sleep lock or maintain the normal optimistic spin time.

Step S506: Decrease the optimistic spin time.

In this embodiment of the application, the system reduces the optimistic spin time of the sleep lock according to the condition that the system resource parameters meet the preset parameter threshold. For example, if one of the CPU load, memory recovery pressure, and storage resource pressure satisfies The preset parameter threshold will reduce the normal optimistic spin time of the sleep lock by one-third. If two of the parameters meet the preset parameter threshold, the optimistic spin time of the sleep lock will be reduced by two-thirds. If the three parameters If all meet the preset parameter threshold, the sleep lock will go to sleep directly.

Step S507: Normal optimistic spin time.

For details of step S507, reference may be made to the detailed explanations in the foregoing embodiments, so details are not described in this embodiment.

A sleeping lock optimization method provided by this application. First, the process holds the lock, and then detects whether the lock is free. If the lock is free, the process holds the lock. If the lock is not free, it detects whether it is a general lock. If the resource is not a general-purpose lock, it will normally spin optimistically, and then check whether the system resources are tight. If the system resources are tight, reduce the optimistic spin time. If the system resources are not tight, the optimistic spin time will be normal. Through the above method, by comparing the specific resource with the preset parameter threshold and reducing the optimistic spin time after the specific resource meets the preset parameter threshold, the optimistic spin time of the sleep lock can be adjusted, thereby reducing the system load and process load etc. Lock time, thereby avoiding excessive CPU load caused by too long optimistic spin time.

Please refer to FIG. 9, the embodiment of the present application provides a sleep lock optimization device 600, the device 600 includes:

The system resource parameter acquisition unit 610 is configured to acquire current system resource parameters, where the system resource parameters include at least one of CPU load, memory recovery pressure, and storage resource pressure.

As a method, the system resource parameter acquisition unit 610 is used to obtain the total amount of system IO within a preset time period; based on the total amount of IO in the preset time period, the IO load is calculated, and the IO load is used as the current System resource pressure.

Optionally, the system resource parameter acquisition unit 610 is also configured to start a memory reclamation operation if the current free memory is lower than the preset memory; acquire the corresponding start time and end time of the memory reclamation operation; based on the start time and the end time, determine the current memory recovery pressure.

Optionally, the system resource parameter acquiring unit 610 is further configured to acquire the running time and idle time of the CPU within a preset time period; based on the running time and the idle time, determine the current CPU load.

The system resource parameter comparison unit 620 is configured to reduce the optimistic spin time of the sleep lock if the system resource parameter satisfies a preset parameter threshold.

As a method, the system resource parameter comparison unit 620 is configured to determine that the preset parameter threshold is met if the system resource parameter includes a CPU load, and the CPU load is greater than a preset load threshold, and reduce the optimism of the sleep lock. Spin time; or, if the system resource parameter includes memory recovery pressure, and the memory recovery pressure is greater than a preset pressure threshold, determine that the preset parameter threshold is met, and reduce the optimistic spin time of the sleep lock; or , if the system resource parameters include storage resource pressure, and the storage resource pressure is greater than a preset resource threshold, determine that the preset parameter threshold is satisfied, and reduce the optimistic spin time of the sleep lock.

Optionally, the system resource parameter comparison unit 620 is further configured to keep the optimistic spin time of the sleep lock as a preset time if the system resource parameter does not meet a preset parameter threshold.

Optionally, the system resource parameter comparison unit 620 is further configured to if the system resource parameters include CPU load, memory recovery pressure, and storage resource pressure, and the CPU load is less than or equal to a preset load threshold, and the memory recovery pressure is less than or equal to a preset pressure threshold, and the storage resource pressure is less than or equal to a preset resource threshold, if it is determined that the preset parameter threshold is not met, then keep the optimistic spin of the sleep lock for a preset time.

Optionally, the system resource parameter comparison unit 620 also includes obtaining the state of the current sleep lock in response to the lock application sent by the thread; if the sleep lock is in an idle state, obtaining the lock type of the current sleep lock; if the The lock type of the sleep lock is a dedicated lock, and it is detected whether the system resource parameter meets the preset parameter threshold.

Optionally, the system resource parameter comparison unit 620 also includes acquiring the type of the thread if the system resource parameter meets the preset parameter threshold; if the type of the thread is not a background ordinary thread, reducing the sleep time. The optimistic spin time of the lock.

Optionally, the system resource parameter comparison unit 620 further includes controlling the sleep lock to sleep if the type of the thread is a background ordinary thread.

Optionally, the system resource parameter comparing unit 620 further includes detecting whether the system resource parameter satisfies the preset parameter threshold if the lock type of the sleep lock is a general lock.

It should be noted that the device embodiments in this application correspond to the aforementioned method embodiments, and the specific principles in the device embodiments may refer to the content of the aforementioned method embodiments, and will not be repeated here.

An electronic device provided by the present application will be described below with reference to FIG. 10 .

Referring to FIG. 10 , based on the above sleep lock optimization method and apparatus, the embodiment of the present application also provides another electronic device 700 that can implement the aforementioned sleep lock optimization method. The electronic device 700 includes one or more (only one is shown in the figure) processors 702 , memory 704 and network module 706 coupled to each other. Wherein, the memory 704 stores programs capable of executing the content in the foregoing embodiments, and the processor 702 can execute the programs stored in the memory 704 .

Wherein, the processor 702 may include one or more processing cores. The processor 702 uses various interfaces and lines to connect various parts of the entire electronic device 700, and executes or executes instructions, programs, code sets or instruction sets stored in the memory 704, and calls data stored in the memory 704, to execute Various functions of the server 700 and processing data. Optionally, the processor 702 may use at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (ProgrammableLogic Array, PLA). implemented in the form of hardware. The processor 702 may integrate one or a combination of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), a modem, and the like. Among them, the CPU mainly handles the operating system, user interface and application programs, etc.; the GPU is used to render and draw the displayed content; the modem is used to handle wireless communication. It can be understood that the above modem may also not be integrated into the processor 702, but may be realized by a communication chip alone.

The memory 704 may include a random access memory (Random Access Memory, RAM), or may include a read-only memory (Read-Only Memory). Memory 704 may be used to store instructions, programs, codes, sets of codes, or sets of instructions. The memory 704 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system and instructions for implementing at least one function (such as a touch function, a sound playback function, an image playback function, etc.) , instructions for implementing the following method embodiments, and the like. The storage data area can also store data created by the electronic device 700 during use (such as phonebook, audio and video data, chat record data) and the like.

The network module 706 is used to receive and send electromagnetic waves, realize mutual conversion between electromagnetic waves and electrical signals, and communicate with communication networks or other devices, for example, communicate with audio playback devices. The network module 706 may include various existing circuit elements for performing these functions, such as antennas, radio frequency transceivers, digital signal processors, encryption/decryption chips, Subscriber Identity Module (SIM) cards, memory, etc. . The network module 706 can communicate with various networks such as the Internet, intranet, wireless network or communicate with other devices through the wireless network. The wireless network mentioned above may include a cellular telephone network, a wireless local area network or a metropolitan area network. For example, the network module 706 can perform information exchange with the base station.

Please refer to FIG. 11 , which shows a structural block diagram of a computer-readable storage medium provided by an embodiment of the present application. Program codes are stored in the computer-readable medium 800, and the program codes can be invoked by a processor to execute the methods described in the foregoing method embodiments.

The computer readable storage medium 800 may be an electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM. Optionally, the computer-readable storage medium 800 includes a non-transitory computer-readable storage medium (non-transitory computer-readable storage medium). The computer-readable storage medium 800 has a storage space for program code 810 for executing any method steps in the above-mentioned methods. These program codes can be read from or written into one or more computer program products. Program code 810 may, for example, be compressed in a suitable form.

Embodiments of the present application provide a sleep lock optimization method, device, electronic equipment, and storage medium. The sleep lock optimization method includes: first obtaining current system resource parameters, the system resource parameters including at least one of CPU load, memory recovery pressure and storage resource pressure, and then if the system resource parameters meet the preset parameter threshold, Then reduce the optimistic spin time of the sleep lock. Through the above method, by comparing the CPU load, memory recovery pressure and storage resource pressure with the preset parameter thresholds, reduce the optimistic spin of the sleep lock after the CPU load, memory recovery pressure and storage resource pressure all meet the preset parameter thresholds Time, you can adjust the optimistic spin time of the sleep lock, thereby reducing the system load and the lock waiting time of the process, thereby avoiding the excessive CPU load caused by the optimistic spin time being too long.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.

Claims (14)

1. A sleeping lock optimization method, characterized in that the method comprises: Acquire current system resource parameters, where the system resource parameters include at least one of CPU load, memory recovery pressure, and storage resource pressure; If the system resource parameter satisfies the preset parameter threshold, the optimistic spin time of the sleep lock is reduced. 2. The method according to claim 1, wherein if the system resource parameter meets a preset parameter threshold, reducing the optimistic spin time of the sleep lock comprises: If the system resource parameters include CPU load, and the CPU load is greater than a preset load threshold, determine that the preset parameter threshold is met, and reduce the optimistic spin time of the sleep lock; or, If the system resource parameter includes memory recovery pressure, and the memory recovery pressure is greater than a preset pressure threshold, determine that the preset parameter threshold is satisfied, and reduce the optimistic spin time of the sleep lock; or, If the system resource parameter includes storage resource pressure, and the storage resource pressure is greater than a preset resource threshold, it is determined that the preset parameter threshold is satisfied, and the optimistic spin time of the sleep lock is reduced. 3. The method according to claim 1, characterized in that the method further comprises: If the system resource parameter does not meet the preset parameter threshold, keep the optimistic spin time of the sleep lock as the preset time. 4. The method according to claim 3, wherein if the system resource parameter does not meet a preset parameter threshold, keeping the optimistic spin time of the sleep lock as a preset time includes: If the system resource parameters include CPU load, memory recovery pressure, and storage resource pressure, and the CPU load is less than or equal to a preset load threshold, and the memory recovery pressure is less than or equal to a preset pressure threshold, and the storage resource If the pressure is less than or equal to the preset resource threshold, if it is determined that the preset parameter threshold is not met, then keep the optimistic spin time of the sleep lock as the preset time. 5. The method according to claim 1, wherein if the system resource parameter meets a preset parameter threshold, reducing the optimistic spin time of the sleep lock further includes: In response to the lock request sent by the thread, obtain the current state of the sleep lock; If the sleep lock is in a non-idle state, acquire the lock type of the current sleep lock; If the lock type of the sleep lock is a dedicated lock, it is detected whether the system resource parameter satisfies the preset parameter threshold. 6. The method according to claim 5, wherein if the system resource parameter meets a preset parameter threshold, reducing the optimistic spin time of the sleep lock comprises: If the system resource parameter satisfies the preset parameter threshold, acquire the type of the thread; If the type of the thread is not a background ordinary thread, then reduce the optimistic spin time of the sleep lock. 7. The method according to claim 6, further comprising: If the thread type is a background ordinary thread, then control the sleep lock to enter sleep. 8. The method according to claim 5, further comprising: If the lock type of the sleeping lock is a general lock, it is detected whether the system resource parameter satisfies the preset parameter threshold. 9. The method according to claim 1, wherein said acquiring current system resource parameters comprises: Obtain the total system IO within the preset time period; The IO load is calculated based on the total amount of IO in the preset time period, and the IO load is used as a current system resource parameter. 10. The method according to claim 1, wherein said acquiring current system resource parameters comprises: If the current free memory is lower than the preset memory, start the memory recovery operation; Obtain the start time and end time corresponding to the memory recovery operation; Based on the start time and the end time, determine the current memory recovery pressure. 11. The method according to claim 1, wherein said acquiring current system resource parameters comprises: Obtain the running time and idle time of the CPU within the preset time period; Based on the running time and the idle time, a current CPU load is determined. 12. A sleep lock optimization device, characterized in that the device comprises: A system resource parameter acquisition unit, configured to acquire current system resource parameters, where the system resource parameters include at least one of CPU load, memory recovery pressure, and storage resource pressure; The system resource parameter comparison unit is configured to reduce the optimistic spin time of the sleep lock if the system resource parameter satisfies a preset parameter threshold. 13. An electronic device, characterized in that it comprises one or more processors and a memory, one or more programs are stored in the memory and configured to be executed by one or more processors according to claims 1-11 any of the methods described. 14. A computer-readable storage medium, wherein the computer-readable storage medium stores program codes, the program codes comprising instructions for executing the method according to any one of claims 1-11 .

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