WO2023147727A1 - 功耗调节方法、装置、存储设备及非易失性可读存储介质 - Google Patents

功耗调节方法、装置、存储设备及非易失性可读存储介质 Download PDF

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Publication number
WO2023147727A1
WO2023147727A1 PCT/CN2022/122793 CN2022122793W WO2023147727A1 WO 2023147727 A1 WO2023147727 A1 WO 2023147727A1 CN 2022122793 W CN2022122793 W CN 2022122793W WO 2023147727 A1 WO2023147727 A1 WO 2023147727A1
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Prior art keywords
power consumption
storage device
current power
upper limit
consumption level
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PCT/CN2022/122793
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English (en)
French (fr)
Inventor
李瀚卿
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苏州浪潮智能科技有限公司
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Publication of WO2023147727A1 publication Critical patent/WO2023147727A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3225—Monitoring of peripheral devices of memory devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3275—Power saving in memory, e.g. RAM, cache

Definitions

  • the present application relates to the field of storage devices, and in particular to a method and device for adjusting power consumption, a storage device, and a non-volatile readable storage medium.
  • SSD Solid State Drives
  • the main power consumption of SSD devices can be divided into two parts: one is non-working state power consumption, that is, inert idle power consumption.
  • non-working state power consumption that is, inert idle power consumption.
  • SSD has no user data read and write operations, and only maintains the normal operation of the controller and processes Admin management commands.
  • the second is due to the power consumed when completing a read/write (ie, read, write, or erase) operation.
  • Idle power consumption is the power consumption necessary for the normal operation of the SSD and cannot be adjusted. Therefore, the power consumption that can be dynamically adjusted is the power consumed when the read and write operations are completed.
  • the flash memory power management allocation register (Flash Power Manager Power Allocation, FMPPA) in the SSD device stores the upper limit value corresponding to the maximum power consumption of the SSD device, and the SSD device can use the upper limit value corresponding to the maximum power consumption
  • the limit value mobilizes the corresponding logic unit to complete the reading and writing tasks.
  • the logical unit is a unit composed of at least one flash channel, and each flash channel is used to complete read and write tasks.
  • FPMPA can also record the sum of the power consumed by each logic unit.
  • the embodiment of the present application provides a method for adjusting power consumption, which aims to solve the problem that the power consumed when the storage device completes the reading and writing tasks cannot be adjusted.
  • an embodiment of the present application provides a method for adjusting power consumption, which is applied to a storage device, and the method includes:
  • the number of logical units performing read and write tasks in the storage device is adjusted, so as to adjust the current power consumption of the storage device.
  • the power consumption adjustment method provided in the embodiment of the present application obtains the current power consumption of the storage device, and then adjusts the initial upper limit corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the magnitude relationship of the current power consumption value to get the adjusted upper limit value of the target. Therefore, the storage device can adjust the number of logic units executing read and write tasks in the storage device according to the target upper limit value, so as to adjust the current power consumption of the storage device. Therefore, by adjusting the initial upper limit value corresponding to the storage device to obtain the target upper limit value, the adjustment of the number of logic units performing read and write tasks in the storage device is realized, thereby realizing the adjustment of the power consumption of the storage device . It can avoid that the current power consumption of the storage device is too large, causing the storage device to work abnormally, thereby affecting the normal use of the user and causing inconvenience to the user.
  • the initial upper limit value corresponding to the storage device is adjusted to obtain the adjusted target upper limit value, including:
  • the initial upper limit value is adjusted to obtain the adjusted target upper limit value.
  • the power consumption adjustment method provided in the embodiment of the present application calculates the difference between the current power consumption and the target power consumption, and then adjusts the initial upper limit according to the difference to obtain the adjusted target upper limit. Therefore, the accuracy of the target upper limit obtained after adjusting the initial upper limit is ensured, thereby ensuring the accuracy of adjusting the number of logic units performing read and write tasks according to the target upper limit.
  • the initial upper limit is adjusted to obtain an adjusted target upper limit, including:
  • the initial upper limit value is adjusted to obtain the adjusted target upper limit value.
  • the adjustment ratio corresponding to the storage device is obtained; then, according to the adjustment ratio and the difference, the initial upper limit is adjusted to obtain the adjusted target upper limit value, thus ensuring the accuracy of the adjusted upper limit value of the target.
  • the method also includes:
  • the initial upper limit is adjusted to obtain the adjusted target upper limit.
  • the integral constant is obtained according to the preset number of times; then, according to the integral constant and the sum of the differences, Adjust the initial upper limit value to obtain the adjusted target upper limit value. Therefore, the accuracy of the obtained adjusted target upper limit value is ensured.
  • the initial upper limit value corresponding to the storage device is adjusted, and the method before obtaining the adjusted target upper limit value further includes:
  • the target power consumption of the storage device at the current power consumption level is calculated by subtracting the safety difference from the rated power consumption.
  • the power consumption adjustment method provided in the embodiment of the present application obtains the current power consumption level; according to the current power consumption level, the rated power consumption corresponding to the current power consumption level is queried, thereby ensuring that the queried current power consumption level corresponds to the rated power consumption. accuracy. Then, obtain the safety difference corresponding to the current power consumption level; subtract the safety difference from the rated power consumption to calculate the target power consumption of the storage device at the current power consumption level. Therefore, the accuracy of the calculated target power consumption of the storage device at the current power consumption level is ensured, and the safety when the power consumption of the storage device at the current power consumption level reaches the target power consumption is guaranteed.
  • query the rated power consumption corresponding to the current power consumption level including:
  • the power consumption adjustment method provided by the embodiment of the present application judges whether the current power consumption level is valid according to the preset power consumption level range, thereby ensuring the validity of the current power consumption level.
  • the current power consumption level is valid, query the rated power consumption corresponding to the current power consumption level according to the current power consumption level. Therefore, the accuracy of the queried rated power consumption corresponding to the current power consumption level is ensured.
  • obtaining the current power consumption of the storage device includes:
  • the sampling data the current power consumption of the storage device is obtained, and it is marked that the power consumption adjustment of the storage device is in progress.
  • the power consumption adjustment method provided in the embodiment of the present application samples the current sensor and/or the voltage sensor, which can ensure the accuracy of the obtained sampled data. Then, according to the sampling data, the current power consumption of the storage device is obtained, and the power consumption of the marked storage device is adjusted, thereby ensuring the accuracy of the acquired current power consumption of the storage device. In addition, marking that the storage device is adjusting the power consumption can make the user clearly know that the storage device is adjusting the power consumption.
  • the method before adjusting the initial upper limit corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the size relationship of the current power consumption, the method further includes:
  • An initial upper limit value corresponding to the current power consumption level is determined according to the current power consumption level.
  • the number of logical units performing read and write tasks in the storage device is adjusted to adjust the current power consumption of the storage device, including:
  • the quantity of at least one type of logical units being executed in the read operation, the write operation and the erase operation is reduced.
  • the integral constant is obtained according to the preset number of times, including:
  • sampling the current sensor and/or the voltage sensor includes:
  • the current power consumption of the storage device is obtained, including:
  • marking that the storage device is adjusting power consumption includes:
  • the power consumption adjustment indicator light of the storage device is controlled to be illuminated to indicate that the storage device is adjusting power consumption.
  • obtaining the current power consumption level includes:
  • the current power consumption level is valid, including:
  • judging whether the current power consumption level is valid according to the preset power consumption level range also includes:
  • obtaining the safety difference corresponding to the current power consumption level includes:
  • a security difference corresponding to the current power consumption level is acquired according to the current power consumption level.
  • an embodiment of the present application further provides a device for adjusting power consumption, which is applied to a storage device, and the device includes:
  • a first acquiring module configured to acquire the current power consumption of the storage device
  • the first adjustment module is used to adjust the initial upper limit corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the size relationship of the current power consumption, so as to obtain the adjusted target upper limit value;
  • the second adjustment module is configured to adjust the number of logic units performing read and write tasks in the storage device according to the target upper limit value, so as to adjust the current power consumption of the storage device.
  • the power consumption adjustment device obtaineds the current power consumption of the storage device, and then adjusts the initial upper limit corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the size relationship between the current power consumption value to get the adjusted upper limit value of the target. Therefore, the storage device can adjust the number of logic units executing read and write tasks in the storage device according to the target upper limit value, so as to adjust the current power consumption of the storage device. Therefore, by adjusting the initial upper limit value corresponding to the storage device to obtain the target upper limit value, the adjustment of the number of logic units performing read and write tasks in the storage device is realized, thereby realizing the adjustment of the power consumption of the storage device . It can avoid that the current power consumption of the storage device is too large, causing the storage device to work abnormally, thereby affecting the normal use of the user and causing inconvenience to the user.
  • an embodiment of the present application provides an electronic device, including a memory and a processor, the memory and the processor are connected to each other in communication, the memory stores computer instructions, and the processor executes the computer instructions to execute the first A method for adjusting power consumption in any implementation manner of the aspect or the first aspect.
  • the embodiment of the present application provides a non-volatile readable storage medium, the computer-readable storage medium stores computer instructions, and the computer instructions are used to make the computer execute the first aspect or any implementation of the first aspect The power consumption adjustment method in the mode.
  • FIG. 1 is a flow chart of applying the power consumption adjustment method provided by the embodiment of the present application.
  • FIG. 2 is a flowchart of a method for adjusting power consumption provided by another embodiment of the present application.
  • FIG. 3 is a flowchart of a method for adjusting power consumption provided by another embodiment of the present application.
  • FIG. 4 is a flowchart of a method for adjusting power consumption provided by another embodiment of the present application.
  • Fig. 5 is a functional block diagram of the power consumption adjustment device provided by the embodiment of the application.
  • FIG. 6 is a functional block diagram of the power consumption adjustment device provided by the embodiment of the application.
  • FIG. 7 is a schematic diagram of a hardware structure of a storage device provided by an embodiment of the application.
  • FIG. 8 is a schematic structural diagram of a non-volatile readable storage medium provided by an embodiment of the present application.
  • the power consumption adjustment method provided by the embodiment of the present application may be executed by a power consumption adjustment device, and the power consumption adjustment device may be implemented as a storage device through software, hardware, or a combination of software and hardware. some or all.
  • the execution subject is a storage device as an example for illustration.
  • a power consumption adjustment method is provided, and the method is applied to a storage device as an example for illustration, including the following steps:
  • the storage device may acquire the current power consumption of the storage device according to the type of task currently being executed and the number of logic units executing the task.
  • the power consumption of any logical unit in a storage device of a certain type is about 90mW (milliwatts) when performing a single read operation, and the power consumption of any logical unit is about 150mW when performing a single programming operation.
  • the logic unit consumes about 180mW when performing a single erase operation.
  • the initial upper limit value corresponding to the storage device can be stored in a flash memory power management allocation register (Flash Power Manager Power Allocation, FMPPA), and can also be stored in other memories corresponding to the storage device.
  • FMPPA Flash Power Manager Power Allocation
  • the storage location of the value is not specifically limited.
  • the storage device can obtain the target power consumption at the current power consumption level, compare the target power consumption at the current power consumption level with the current power consumption, and then based on the target power consumption at the current power consumption level and the current power consumption , adjust the initial upper limit value corresponding to the storage device, and obtain the adjusted target upper limit value.
  • the initial upper limit corresponding to the storage device corresponds to the current power consumption level, that is to say, the storage device can be determined according to the current power consumption level, and then according to the target power consumption under the current power consumption level and the relationship between the current power consumption Make adjustments to the initial upper limit value.
  • the power consumption level corresponding to the storage device is divided into 8 levels, respectively 0-7 levels, as shown in Table 1 below, which is the correspondence between the power consumption level of the storage device and the initial upper limit.
  • the storage device can adjust the number of logic units performing read and write tasks in the storage device according to the target upper limit value, thereby adjusting the current power consumption of the storage device .
  • the storage device can reduce the number of at least one type of logical units that are executing read operations, write operations, and erase operations according to the target upper limit value and the important program of the task being executed, thereby adjusting the current performance of the storage device. to prevent the current power consumption of the storage device from being too large, causing the storage device to work abnormally.
  • the power consumption adjustment method provided in the embodiment of the present application obtains the current power consumption of the storage device, and then adjusts the initial upper limit corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the magnitude relationship of the current power consumption value to get the adjusted upper limit value of the target. Therefore, the storage device can adjust the number of logic units executing read and write tasks in the storage device according to the target upper limit value, so as to adjust the current power consumption of the storage device. Therefore, by adjusting the initial upper limit value corresponding to the storage device to obtain the target upper limit value, the adjustment of the number of logic units performing read and write tasks in the storage device is realized, thereby realizing the adjustment of the power consumption of the storage device . It can avoid that the current power consumption of the storage device is too large, causing the storage device to work abnormally, thereby affecting the normal use of the user and causing inconvenience to the user.
  • a power consumption adjustment method is provided, and the method is applied to a storage device as an example for illustration, including the following steps:
  • step S22 of "according to the target power consumption of the storage device at the current power consumption level and the relationship between the current power consumption, adjust the initial upper limit value corresponding to the storage device to obtain the adjusted target upper limit value" may include follows the steps below:
  • the storage device may subtract the target power consumption from the current power consumption, so as to calculate the difference between the current power consumption and the target power consumption.
  • the initial upper limit value is adjusted to obtain an adjusted target upper limit value.
  • step S222 of "adjusting the initial upper limit value according to the difference to obtain the adjusted target upper limit value” may include the following steps:
  • the initial upper limit value is adjusted to obtain the adjusted target upper limit value.
  • the storage device may compare the difference between the current power consumption and the target power consumption with a preset difference, and when the difference between the current power consumption and the target power consumption is greater than the preset difference, obtain an adjustment ratio corresponding to the storage device.
  • the preset difference may be 3W or 5W, and the embodiment of the present application does not specifically limit the preset difference.
  • the adjustment ratio may be related to the model and attribute information of the storage device.
  • the storage device can adjust the initial upper limit value according to the adjustment ratio and the difference to obtain an adjusted target upper limit value.
  • the storage device may adjust the initial upper limit value according to the following formula to obtain the adjusted target upper limit value:
  • FMPPA set is the target upper limit value
  • FMPPA current is the initial upper limit value
  • power sample is the current power consumption
  • power target is the target power consumption
  • power_per_FMPPA is the adjustment ratio
  • step S222 of "adjusting the initial upper limit value according to the difference to obtain the adjusted target upper limit value” may include the following steps:
  • the storage device may acquire the current power consumption of the storage device multiple times, compare the current power consumption with the target power consumption after each acquisition, and calculate the difference between the current power consumption and the target power consumption Differences, when each difference within the preset times is less than or equal to the preset difference, the storage device determines that there is a static error between the current power consumption and the target power consumption.
  • the storage device acquires the integral constant according to the preset times, and adjusts the initial upper limit value according to the integral constant and the sum of the differences to obtain the adjusted target upper limit value.
  • the storage device may adjust the initial upper limit value according to the following formula to obtain the adjusted target upper limit value:
  • FPMPA set is the target upper limit value
  • FMPPA current is the initial upper limit value
  • ⁇ power mini is the difference between the current power consumption and the target power consumption
  • ⁇ is the integral constant, where the integral constant is related to the preset times.
  • the power consumption adjustment method provided in the embodiment of the present application calculates the difference between the current power consumption and the target power consumption, and then adjusts the initial upper limit according to the difference to obtain the adjusted target upper limit. Therefore, the accuracy of the target upper limit obtained after adjusting the initial upper limit is ensured, thereby ensuring the accuracy of adjusting the number of logic units performing read and write tasks according to the target upper limit.
  • the adjustment ratio corresponding to the storage device is obtained; and then the initial upper limit is adjusted according to the adjustment ratio and the difference to obtain an adjusted target upper limit.
  • the integral constant is obtained according to the preset number of times; then, according to the integral constant and the sum of the differences, the initial upper limit is adjusted to obtain the adjusted target Upper limit. Therefore, the accuracy of the obtained adjusted target upper limit value is ensured.
  • a power consumption adjustment method is provided.
  • the method is applied to a storage device as an example for illustration, including the following steps:
  • the "obtaining the current power consumption of the storage device" in the above S31 may include the following steps:
  • the storage device may sample the current sensor and/or the voltage sensor multiple times, where the time interval for each sampling the current sensor and/or the voltage sensor may be the same or different, where the time interval may be 2S , may also be 3S, and the embodiment of the present application does not specifically limit the time interval.
  • the storage device calculates the current power consumption of the storage device according to the sampling data obtained by sampling the current sensor and/or the voltage sensor, and marks that the storage device is adjusting power consumption.
  • the storage device may multiply the collected current data and voltage data, so as to calculate the current power consumption of the storage device.
  • the storage device may control the power consumption adjustment indicator to emit light, thereby indicating that the storage device is performing power consumption adjustment.
  • the storage device may receive the current power consumption level input by the user.
  • the storage device may query the rated power consumption corresponding to the current power consumption level according to the correspondence between the power consumption level and the rated power.
  • the power consumption levels corresponding to the storage devices are divided into 8 levels, which are respectively 0-7 levels.
  • Table 2 it is the correspondence table between power consumption level and rated power:
  • the "query the rated power consumption corresponding to the current power consumption level" in the above S33 may include the following steps:
  • the storage device After the storage device obtains the current power consumption level, it can judge whether the current power consumption level is within the power consumption level range according to the preset power consumption level range, so as to determine whether the current power consumption level is valid.
  • the storage device determines that the current power consumption level is valid, and then queries the rated power consumption corresponding to the current power consumption level according to the correspondence between the power consumption level and the rated power.
  • the storage device determines that the current power consumption level is invalid, outputs a message that the current power consumption is invalid to the user, and allows the user to modify the current power consumption level.
  • the storage device acquires a security difference corresponding to the current power consumption level according to the current power consumption level.
  • the safety difference is 5W; when the current power consumption level is level 2, the safety difference is 3W.
  • the target power consumption of the storage device at the current power consumption level may be calculated by subtracting the safety difference from the rated power consumption.
  • the power consumption adjustment method provided in the embodiment of the present application samples the current sensor and/or the voltage sensor, which can ensure the accuracy of the obtained sampled data. Then, according to the sampling data, the current power consumption of the storage device is obtained, and the power consumption of the marked storage device is adjusted, thereby ensuring the accuracy of the acquired current power consumption of the storage device. In addition, marking that the storage device is adjusting the power consumption can make the user clearly know that the storage device is adjusting the power consumption.
  • the power consumption adjustment method provided by the embodiment of the present application acquires the current power consumption level, and judges whether the current power consumption level is valid according to the preset power consumption level range, thereby ensuring the validity of the current power consumption level.
  • the current power consumption level is valid, query the rated power consumption corresponding to the current power consumption level according to the current power consumption level. Therefore, the accuracy of the queried rated power consumption corresponding to the current power consumption level is ensured.
  • obtain the safety difference corresponding to the current power consumption level subtract the safety difference from the rated power consumption to calculate the target power consumption of the storage device at the current power consumption level. Therefore, the accuracy of the calculated target power consumption of the storage device at the current power consumption level is ensured, and the safety when the power consumption of the storage device at the current power consumption level reaches the target power consumption is guaranteed.
  • power consumption levels corresponding to storage devices can be divided into 8 levels, which are respectively 0-7 levels. After the storage device is powered on, it is first judged whether the storage device is powered on for the first time, if not, the current power consumption level is obtained, and according to the preset power consumption level range, it is judged whether the current power consumption level is valid.
  • the storage device Gets the current power consumption level when the current power consumption level is valid.
  • the storage device does not limit the upper limit of the current power consumption at this time.
  • the rated power consumption corresponding to the level 0 power consumption level of the storage device may be the highest performance and the maximum power consumption of the storage device.
  • the storage device can set a timer whose cycle is a preset time, and sample the current and voltage sensor every preset time, calculate and report the current power consumption, but the current power consumption will not be adjusted.
  • the preset time may be 15S or 10S, and the embodiment of the present application does not specifically limit the preset time.
  • the storage device obtains the current power consumption of the storage device; adjusts the storage device according to the target power consumption of the storage device at the current power consumption level and the relationship between the current power consumption
  • the adjusted target upper limit value is obtained corresponding to the initial upper limit value; according to the target upper limit value, the number of logic units performing read and write tasks in the storage device is adjusted to adjust the current power consumption of the storage device.
  • the storage device can first detect whether the target power consumption level has changed to level 0.
  • the storage device can set a The timer whose period is the preset time samples the current and voltage sensors every preset time, calculates and reports the current power consumption, but does not adjust the current power consumption.
  • the storage device can first change the target upper limit value of the current power consumption to the value corresponding to the target power consumption level according to the correspondence between the power consumption level and the initial upper limit value in Table 1. The initial upper limit value, and then adjust the current power consumption of the storage device according to the initial upper limit value corresponding to the target power consumption level.
  • the current target upper limit value is 55.
  • the storage device detects that the current power consumption level has changed to Level 6, the storage device directly changes the target upper limit value 55 to the initial upper limit value 36 corresponding to Level 6 power consumption level, and then adjusts the The number of logical units that perform read and write tasks to adjust the current power consumption of the storage device.
  • this embodiment provides a power consumption adjustment device, which is applied to a storage device, and the device includes:
  • the first acquiring module 51 is configured to acquire the current power consumption of the storage device.
  • the first adjustment module 52 is configured to adjust the initial upper limit value corresponding to the storage device according to the target power consumption of the storage device at the current power consumption level and the magnitude relationship of the current power consumption, and obtain an adjusted target upper limit value.
  • the second adjustment module 53 is configured to adjust the number of logic units performing read and write tasks in the storage device according to the target upper limit value, so as to adjust the current power consumption of the storage device.
  • the above-mentioned first adjustment module 52 is specifically used to calculate the difference between the current power consumption and the target power consumption; according to the difference, adjust the initial upper limit value to obtain the adjusted target upper limit value.
  • the above-mentioned first adjustment module 52 is specifically used to obtain the adjustment ratio corresponding to the storage device when the difference is greater than the preset difference; adjust the initial upper limit according to the adjustment ratio and the difference, and obtain Adjusted target upper limit value.
  • the above-mentioned first adjustment module 52 is specifically used to obtain the integration constant according to the preset number of times when the differences within the preset times are all less than or equal to the preset difference; The sum of the differences is used to adjust the initial upper limit value to obtain the adjusted target upper limit value.
  • the above-mentioned power consumption adjustment device further includes:
  • the second acquiring module 54 is configured to acquire the current power consumption level.
  • the query module 55 is configured to query the rated power consumption corresponding to the current power consumption level according to the current power consumption level.
  • the third obtaining module 56 is configured to obtain a security difference corresponding to the current power consumption level.
  • the calculation module 57 is configured to calculate the target power consumption of the storage device at the current power consumption level by subtracting the safety difference from the rated power consumption.
  • the above query module 55 is specifically used to judge whether the current power consumption level is valid according to the preset power consumption level range; when the current power consumption level is valid, query the current power consumption level according to the current power consumption level.
  • the above-mentioned first acquisition module 51 is specifically configured to sample the current sensor and/or the voltage sensor; acquire the current power consumption of the storage device according to the sampled data, and mark that the storage device is adjusting power consumption .
  • Each module in the above-mentioned power consumption adjusting device may be fully or partially realized by software, hardware and a combination thereof.
  • the above-mentioned modules can be embedded in hardware or independent of the processor in the storage device, and can also be stored in the memory of the storage device in the form of software, so that the processor can call and execute the corresponding operations of the above modules.
  • An embodiment of the present application further provides a storage device having the power consumption adjustment apparatus shown in FIG. 5 or FIG. 6 above.
  • FIG. 7 is a schematic structural diagram of a storage device provided in an optional embodiment of the present application.
  • the storage device may include: at least one processor 61, at least one communication interface 63, memory 64 , at least one communication bus 62 .
  • the communication bus 62 is used to realize connection and communication between these components.
  • the communication interface 63 may include a standard wired interface and a wireless interface.
  • the memory 64 can be a high-speed RAM memory (Random Access Memory, volatile random access memory), or a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • the memory 64 may optionally also be at least one storage device located far away from the aforementioned processor 61 .
  • the processor 61 may be combined with the device described in FIG. 5 or FIG. 6 , the memory 64 stores an application program, and the processor 61 invokes the program code stored in the memory 64 to execute any of the above method steps.
  • the communication bus 62 may be a peripheral component interconnect standard (PCI for short) bus or an extended industry standard architecture (EISA for short) bus or the like.
  • PCI peripheral component interconnect standard
  • EISA extended industry standard architecture
  • the communication bus 62 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 7 , but it does not mean that there is only one bus or one type of bus.
  • the memory 64 can include a volatile memory (English: volatile memory), such as a random access memory (English: random-access memory, abbreviated: RAM); the memory can also include a non-volatile memory (English: non-volatile memory), such as flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviated: HDD) or solid-state hard disk (English: solid-state drive, abbreviated: SSD); memory 64 can also include the above-mentioned types combination of memory.
  • volatile memory such as a random access memory (English: random-access memory, abbreviated: RAM)
  • non-volatile memory such as flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviated: HDD) or solid-state hard disk (English: solid-state drive, abbreviated: SSD); memory 64 can also include the above-mentioned types combination of memory.
  • the processor 61 may be a central processing unit (English: central processing unit, abbreviated: CPU), a network processor (English: network processor, abbreviated: NP) or a combination of CPU and NP.
  • CPU central processing unit
  • NP network processor
  • the processor 61 may further include a hardware chip.
  • the aforementioned hardware chip may be an application-specific integrated circuit (English: application-specific integrated circuit, abbreviation: ASIC), a programmable logic device (English: programmable logic device, abbreviation: PLD) or a combination thereof.
  • the above PLD can be a complex programmable logic device (English: complex programmable logic device, abbreviated: CPLD), field programmable logic gate array (English: field-programmable gate array, abbreviated: FPGA), general array logic (English: generic array logic, abbreviation: GAL) or any combination thereof.
  • memory 64 is also used to store program instructions.
  • the processor 61 may invoke program instructions to implement the power consumption adjustment method shown in the embodiments in FIGS. 1 to 4 of the present application.
  • the embodiment of the present application also provides a non-transitory computer storage medium, the computer storage medium stores computer-executable instructions, and the computer-executable instructions can execute the power consumption adjustment method in any of the foregoing method embodiments.
  • the storage medium can be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a flash memory (Flash Memory), a hard disk (Hard Disk Drive) , abbreviation: HDD) or solid-state drive (Solid-State Drive, SSD), etc.; the storage medium may also include a combination of the above-mentioned types of memory.
  • the embodiment of the present application also provides a non-volatile readable storage medium, see FIG. 8, which shows a schematic structural diagram of a non-volatile readable storage medium provided in the embodiment of the present application.
  • Computer-executable instructions 812 are stored in the readable storage medium 810 , and when executed by the processor, the computer-executable instructions 812 implement the steps of any power consumption adjustment method described above.

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Abstract

一种功耗调节方法、装置、存储设备及非易失性可读存储介质，涉及存储设备领域。该方法包括：获取存储设备的当前功耗（S11）；根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值（S12）；根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗（S13）。该方法通过对存储设备对应的初始上限值进行调节，得到目标上限值，实现了对存储设备中执行读写任务的逻辑单元的数量的调节，从而实现了对存储设备的功耗的调节。可以避免存储设备的当前功耗过大，导致存储设备工作异常，从而影响用户正常使用，给用户带来不便。

Description

功耗调节方法、装置、存储设备及非易失性可读存储介质
相关申请的交叉引用
本申请要求于2022年02月07日提交中国专利局，申请号为202210115471.1，申请名称为“功耗调节方法、装置、存储设备及可读存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及存储设备领域，具体涉及一种功耗调节方法、装置、存储设备及非易失性可读存储介质。
背景技术
存储设备作为数据存储的媒介，是计算机系统中至关重要的组成部分。固态存储器(Solid State Drives，SSD)具有的读写性能快、容量大、抗震防摔、体积小巧等优势，正在成为存储界的主流设备。随着硬盘性能的提高，其功耗也在不断提升，因此有必要采用高效的功耗控制策略主动地调控SSD的功耗及性能。
SSD设备的主要功耗可以分为两部分：一是非工作状态功耗，即惰性Idle功耗，此时SSD没有用户数据读写操作，仅维持控制器的正常运行及处理Admin管理命令。二是由于完成读写(即读、写或擦除)操作时消耗的功率。Idle功耗是SSD正常运行必需的功耗不能进行调节，因此能够动态调节的功耗是完成读写操作时消耗的功率。
现有技术中，SSD设备中的闪存功耗管理分配寄存器(Flash Power Manager Power Allocation，FPMPA)中存储有SSD设备对应的最大功耗对应的上限值，SSD设备可以根据最大功耗对应的上限值调动相应的逻辑单元完成读写任务。其中，逻辑单元是由至少一个快闪通道组成的单元，各快闪通道用于完成读写任务。此外，FPMPA还可以记录各逻辑单元消耗的功耗之和。
但是，现有技术中并没有对存储设备完成读写任务时消耗的功率进行调节的方法。
发明内容
有鉴于此，本申请实施例提供了一种功耗调节方法，旨在解决不能对存储设备完成读写 任务时消耗的功率进行调节的问题。
根据第一方面，本申请实施例提供了一种功耗调节方法，应用于存储设备，该方法包括：
获取存储设备的当前功耗；
根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值；
根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
本申请实施例提供的功耗调节方法，获取存储设备的当前功耗，然后，根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。从而使得存储设备可以根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。因此，通过对存储设备对应的初始上限值进行调节，得到目标上限值，实现了对存储设备中执行读写任务的逻辑单元的数量的调节，从而实现了对存储设备的功耗的调节。可以避免存储设备的当前功耗过大，导致存储设备工作异常，从而影响用户正常使用，给用户带来不便。
优选的，根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值，包括：
计算当前功耗与目标功耗的差值；
根据差值，调节初始上限值，得到调节后的目标上限值。
本申请实施例提供的功耗调节方法，计算当前功耗与目标功耗的差值，然后根据差值，调节初始上限值，得到调节后的目标上限值。从而保证了调节初始上限值后，得到的目标上限值的准确性，从而保证根据目标上限值调节执行读写任务的逻辑单元的数量的准确性。
优选的，根据差值，调节初始上限值，得到调节后的目标上限值，包括：
当差值大于预设差值时，获取存储设备对应的调节比例；
根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值。
本申请实施例提供的功耗调节方法，当差值大于预设差值时，获取存储设备对应的调节比例；然后根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值，从而保证了得到的调节后的目标上限值的准确性。
优选的，方法还包括：
当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常数；
根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。
本申请实施例提供的功耗调节方法，当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常数；然后，根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。从而保证了得到的调节后的目标上限值的准确性。
优选的，根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值之前方法还包括：
获取当前功耗级别；
根据当前功耗级别，查询当前功耗级别对应的额定功耗；
获取当前功耗级别对应的安全差值；
利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。
本申请实施例提供的功耗调节方法，获取当前功耗级别；根据当前功耗级别，查询当前功耗级别对应的额定功耗，从而保证了查询到的当前功耗级别对应的额定功耗的准确性。然后，获取当前功耗级别对应的安全差值；利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。从而保证了计算得到的存储设备在当前功耗级别下的目标功耗的准确性，且保证了存储设备在当前功耗级别下功耗达到目标功耗时的安全性。
优选的，根据当前功耗级别，查询当前功耗级别对应的额定功耗，包括：
根据预设的功耗级别范围，判断当前功耗级别是否有效；
当当前功耗级别有效时，根据当前功耗级别，查询当前功耗级别对应的额定功耗。
本申请实施例提供的功耗调节方法，根据预设的功耗级别范围，判断当前功耗级别是否有效，从而保证了当前功耗级别的有效性。当当前功耗级别有效时，根据当前功耗级别，查询当前功耗级别对应的额定功耗。从而保证了查询到的当前功耗级别对应的额定功耗的准确性。
优选的，获取存储设备的当前功耗，包括：
对电流传感器和/或电压传感器进行采样；
根据采样数据，获取存储设备的当前功耗，并标注存储设备正在进行功耗调节。
本申请实施例提供的功耗调节方法，对电流传感器和/或电压传感器进行采样，可以保证得到的采样数据的准确性。然后，根据采样数据，获取存储设备的当前功耗，并对标注存储设备正在进行功耗调节，从而保证了获取得到的存储设备的当前功耗的准确性。此外，标注存储设备正在进行功耗调节，可以使得用户清楚地了解到存储设备正在进行功耗调节。
优选的，在根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节 存储设备对应的初始上限值之前，还包括：
根据当前功耗级别确定与当前功耗级别对应的初始上限值。
优选的，根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗，包括：
根据目标上限值以及存储设备正在执行的任务的程序，减少正在执行读操作、写操作以及擦除操作中的至少一种逻辑单元的数量。
优选的，当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常数，包括：
当预设次数内的各差值均小于或者等于预设差值时，则确定当前功耗与目标功耗之间存在静态误差。
优选的，对电流传感器和/或电压传感器进行采样，包括：
对电流传感器和/或电压传感器进行多次采样。
优选的，根据采样数据，获取存储设备的当前功耗，包括：
根据采集到的电流数据和电压数据进行相乘，以得到存储设备的当前功耗。
优选的，标注存储设备正在进行功耗调节，包括：
控制存储设备的功耗调节指示灯发光，以标注存储设备正在进行功耗调节。
优选的，获取当前功耗级别，包括：
接收用户输入的当前功耗级别。
优选的，根据预设的功耗级别范围，判断当前功耗级别是否有效，包括：
当所述存储设备的当前功耗级别在功耗级别范围内时，确定所述当前功耗级别有效；
当所述存储设备的当前功耗级别不在功耗级别范围内时，确定所述当前功耗级别无效。
优选的，根据预设的功耗级别范围，判断当前功耗级别是否有效，还包括：
当当前功耗级别无效时，输出当前功耗无效的消息。
优选的，获取当前功耗级别对应的安全差值，包括：
在确定所述存储设备的当前功耗级别有效之后，根据所述当前功耗级别获取所述当前功耗级别对应的安全差值。
根据第二方面，本申请实施例还提供了一种功耗调节装置，应用于存储设备，该装置包括：
第一获取模块，用于获取存储设备的当前功耗；
第一调节模块，用于根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关 系，调节存储设备对应的初始上限值，得到调节后的目标上限值；
第二调节模块，用于根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
本申请实施例提供的功耗调节装置，获取存储设备的当前功耗，然后，根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。从而使得存储设备可以根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。因此，通过对存储设备对应的初始上限值进行调节，得到目标上限值，实现了对存储设备中执行读写任务的逻辑单元的数量的调节，从而实现了对存储设备的功耗的调节。可以避免存储设备的当前功耗过大，导致存储设备工作异常，从而影响用户正常使用，给用户带来不便。
根据第三方面，本申请实施例提供了一种电子设备，包括存储器和处理器，存储器和处理器之间互相通信连接，存储器中存储有计算机指令，处理器通过执行计算机指令，从而执行第一方面或者第一方面的任意一种实施方式中的功耗调节方法。
根据第四方面，本申请实施例提供了一种非易失性可读存储介质，计算机可读存储介质存储计算机指令，计算机指令用于使计算机执行第一方面或者第一方面的任意一种实施方式中的功耗调节方法。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是应用本申请实施例提供的功耗调节方法的流程图；
图2是应用本申请另一实施例提供的功耗调节方法的流程图；
图3是应用本申请另一实施例提供的功耗调节方法的流程图；
图4是应用本申请另一实施例提供的功耗调节方法的流程图；
图5是应用本申请实施例提供的功耗调节装置的功能模块图；
图6是应用本申请实施例提供的功耗调节装置的功能模块图；
图7是应用本申请实施例提供的存储设备的硬件结构示意图；
图8是应用本申请实施例提供的非易失性可读存储介质的结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明的是，本申请实施例提供的功耗调节的方法，其执行主体可以是功耗调节的装置，该功耗调节的装置可以通过软件、硬件或者软硬件结合的方式实现成为存储设备的部分或者全部。下述方法实施例中，均以执行主体是存储设备为例来进行说明。
在本申请一个实施例中，如图1所示，提供了一种功耗调节方法，以该方法应用于存储设备为例进行说明，包括以下步骤：
S11、获取存储设备的当前功耗。
具体地，存储设备可以根据当前正在执行的任务类型以及执行任务的逻辑单元的数量，获取到存储设备的当前功耗。
示例性的，某种型号的存储设备中的任一个逻辑单元在执行单一读操时的功耗约90mW(毫瓦)，任一个逻辑单元在执行单一编程操作时的功耗约150mW，任一个逻辑单元在执行单一擦除操作时的功耗约180mW。
关于该步骤将在下文进行详细介绍。
S12、根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。
其中，存储设备对应的初始上限值可以存储在闪存功耗管理分配寄存器(Flash Power Manager Power Allocation，FPMPA)中，也可以存储在存储设备对应的其他存储器中，本申请实施例对初始上限值的存储位置不做具体限定。
具体地，存储设备可以获取当前功耗级别下的目标功耗，并将当前功耗级别下的目标功耗以及当前功耗进行对比，然后根据当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。
其中，存储设备对应的初始上限值与当前功耗级别相对应，也就是说存储设备可以根据当前功耗级别进行确定，然后根据当前功耗级别下的目标功耗以及当前功耗的大小关系对初始上限值进行调整。
示例性的，假设存储设备对应的功耗级别分为8级，分别为0-7级，如下表1所示，为存储设备的功耗级别与初始上限值之间的对应关系。
表1功耗级别与初始上限值对应表
功耗级别 初始上限值
S0 128
S1 90
S2 72
S3 60
S4 50
S5 42
S6 36
S7 32
关于该步骤将在下文进行详细介绍。
S13、根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
具体地，在对初始上限值进行调节，得到目标上限值之后，存储设备可以根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，从而调节存储设备的当前功耗。
示例性的，存储设备可以根据目标上限值以及正在执行的任务的重要程序，减少正在执行读操作、写操作以及擦除操作中的至少一种逻辑单元的数量，从而调节存储设备的当前功耗，避免存储设备的当前功耗过大，导致存储设备工作异常。
本申请实施例提供的功耗调节方法，获取存储设备的当前功耗，然后，根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。从而使得存储设备可以根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。因此，通过对存储设备对应的初始上限值进行调节，得到目标上限值，实现了对存储设备中执行读写任务的逻辑单元的数量的调节，从而实现了对存储设备的功耗的调节。可以避免存储设备的当前功耗过大，导致存储设备工作异常，从而影响用户正常使用，给用户带来不便。
在本申请一个实施例中，如图2所示，提供了一种功耗调节方法，以该方法应用于存储设备为例进行说明，包括以下步骤：
S21、获取存储设备的当前功耗。
关于该步骤可以参考图1对S11的介绍，在此不再进行赘述。
S22、根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。
具体地，上述步骤S22“根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值”，可以包括如下步骤：
S221、计算当前功耗与目标功耗的差值。
S222、根据差值，调节初始上限值，得到调节后的目标上限值。
具体地，存储设备可以利用当前功耗减去目标功耗，从而计算得到当前功耗与目标功耗的差值。
然后，根据当前功耗与目标功耗的差值的大小，调节初始上限值，得到调节后的目标上限值。
在本申请一种可选的实施方式中，上述步骤S222“根据差值，调节初始上限值，得到调节后的目标上限值”，可以包括如下步骤：
(1)当差值大于预设差值时，获取存储设备对应的调节比例。
(2)根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值。
具体地，存储设备可以将当前功耗与目标功耗的差值与预设差值进行对比，当前功耗与目标功耗的差值大于预设差值时，获取存储设备对应的调节比例。其中，预设差值可以是3W，也可以是5W，本申请实施例对预设差值不做具体限定。其中，调节比例可以与存储设备的型号以及属性信息相关。
在获取到调节比例之后，存储设备可以根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值。
示例性的，存储设备可以根据如下公式调节初始上限值，得到调节后的目标上限值：
Figure PCTCN2022122793-appb-000001
其中，FPMPA set为目标上限值，FPMPA current为初始上限值，power sample为当前功耗，power target为目标功耗，power_per_FPMPA为调节比例。
在本申请另一种可选的实施方式中，上述步骤S222“根据差值，调节初始上限值，得到调节后的目标上限值”，可以包括如下步骤：
(3)当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常 数。
(4)根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。
具体地，在本申请实施例中，存储设备可以多次获取存储设备的当前功耗，在每次获取到当前功耗之后均与目标功耗进行对比，并计算当前功耗与目标功耗的差值，当预设次数内的各差值均小于或者等于预设差值时，则存储设备确定当前功耗与目标功耗之间存在静态误差。
然后，存储设备根据预设次数获取积分常数，并根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。
示例性的，存储设备可以根据如下公式调节初始上限值，得到调节后的目标上限值：
Figure PCTCN2022122793-appb-000002
其中，FPMPA set为目标上限值，FPMPA current为初始上限值，Δpower mini为当前功耗与目标功耗的差值，ε为积分常数，其中，积分常数与预设次数相关。
S23、根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
关于该步骤可以参考图1对S13的介绍，在此不再进行赘述。
本申请实施例提供的功耗调节方法，计算当前功耗与目标功耗的差值，然后根据差值，调节初始上限值，得到调节后的目标上限值。从而保证了调节初始上限值后，得到的目标上限值的准确性，从而保证根据目标上限值调节执行读写任务的逻辑单元的数量的准确性。
其中，当差值大于预设差值时，获取存储设备对应的调节比例；然后根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值。当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常数；然后，根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。从而保证了得到的调节后的目标上限值的准确性。
在本申请一个实施例中，如图3所示，提供了一种功耗调节方法，以该方法应用于存储设备为例进行说明，包括以下步骤：
S31、获取存储设备的当前功耗。
在本申请一种可选的实施方式中，上述S31中的“获取存储设备的当前功耗”，可以包括如下步骤：
S311、对电流传感器和/或电压传感器进行采样。
S312、根据采样数据，获取存储设备的当前功耗，并标注存储设备正在进行功耗调节。
具体地，存储设备可以多次对电流传感器和/或电压传感器进行采样，其中，每次对电流传感器和/或电压传感器进行采样的时间间隔可以相同，也可以不同，其中，时间间隔可以是2S，也可以是3S，本申请实施例对时间间隔不做具体限定。
然后，存储设备根据对流传感器和/或电压传感器进行采样获取到的采样数据计算存储设备的当前功耗，并标注存储设备正在进行功耗调节。
示例性的，存储设备可以根据采集到的电流数据和电压数据进行相乘，从而计算得到存储设备的当前功耗。
存储设备可以控制功耗调节指示灯发光，从而标注存储设备正在进行功耗调节。
S32、获取当前功耗级别。
具体地，存储设备可以接收用户输入的当前功耗级别。
S33、根据当前功耗级别，查询当前功耗级别对应的额定功耗。
具体地，存储设备可以根据功耗级别与额定功率之间的对应关系，查询当前功耗级别对应的额定功耗。
示例性的，假设存储设备对应的功耗级别分为8级，分别为0-7级。如表2所示，为功耗级别与额定功率之间的对应表：
功耗级别 额定功耗
S0 不做限制(或者25W)
S1 23W
S2 21W
S3 19W
S4 17W
S5 15W
S6 13W
S7 11W
在本申请一种可选的实施方式中，上述S33中的“根据当前功耗级别，查询当前功耗级别对应的额定功耗”，可以包括如下步骤：
S331、根据预设的功耗级别范围，判断当前功耗级别是否有效。
S332、当当前功耗级别有效时，根据当前功耗级别，查询当前功耗级别对应的额定功耗。
具体地，存储设备在获取到当前功耗级别之后，可以根据预设的功耗级别范围，判断当 前功耗级别是否在功耗级别范围内，从而判断当前功耗级别是否有效。
当当前功耗级别在功耗级别范围内时，存储设备确定当前功耗级别有效，然后根据功耗级别与额定功率之间的对应关系，查询当前功耗级别对应的额定功耗。
当当前功耗级别不在功耗级别范围内时，存储设备确定当前功耗级别无效，向用户输出当前功耗无效的消息，提供用户修改当前功耗级别。
S34、获取当前功耗级别对应的安全差值。
具体地，在确定当前功耗级别有效之后，存储设备根据当前功耗级别获取当前功耗级别对应的安全差值。
示例性的，当当前功耗级别为1级时，安全差值为5W；当当前功耗级别为2级时，安全差值为3W。
S35、利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。
具体地，存储设备在获取到当前功耗对应的额定功耗以及安全差值之后，可以利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。
S36、根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。
关于该步骤请参见图2对S22的介绍，在此不再赘述。
S37、根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
关于该步骤请参见图2对S23的介绍，在此不再赘述。
本申请实施例提供的功耗调节方法，对电流传感器和/或电压传感器进行采样，可以保证得到的采样数据的准确性。然后，根据采样数据，获取存储设备的当前功耗，并对标注存储设备正在进行功耗调节，从而保证了获取得到的存储设备的当前功耗的准确性。此外，标注存储设备正在进行功耗调节，可以使得用户清楚地了解到存储设备正在进行功耗调节。
此外，本申请实施例提供的功耗调节方法，获取当前功耗级别，根据预设的功耗级别范围，判断当前功耗级别是否有效，从而保证了当前功耗级别的有效性。当当前功耗级别有效时，根据当前功耗级别，查询当前功耗级别对应的额定功耗。从而保证了查询到的当前功耗级别对应的额定功耗的准确性。然后，获取当前功耗级别对应的安全差值；利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。从而保证了计算得到的存储设备在当前功耗级别下的目标功耗的准确性，且保证了存储设备在当前功耗级别下功耗达到目标功耗时的安全性。
在本申请一个可选的实施方式中，如图4所示，假设存储设备对应的功耗级别可以分为8级，分别为0-7级。在存储设备上电之后，首先判断存储设备是否初次上电，若不是初次上电，则获取当前功耗级别，并根据预设的功耗级别范围，判断当前功耗级别是否有效。
当当前功耗级别有效时，获取当前功耗级别。当存储设备获取到的当前功耗级别为0级时，此时存储设备对当前功耗的上限不做限定。存储设备0级功耗级别对应的额定功耗可以是存储设备运行的最高性能和最大功耗。此时，存储设备可以设置一个周期为预设时间的定时器，每隔预设时间，对电流电压传感器采样，计算并上报当前功耗，但是并不会对当前功耗进行调整。其中，预设时间可以是15S，也可以是10S，本申请实施例对预设时间不做具体限定。
当存储设备获取到的当前功耗级别不为0级时，存储设备获取存储设备的当前功耗；根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值；根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
当存储设备检测到当前功耗级别发生变化，变为目标功耗级别之后，存储设备可以首先检测目标功耗级别是否变为0级，当目标功耗级别为0级时，存储设备可以设置一个周期为预设时间的定时器，每隔预设时间，对电流电压传感器采样，计算并上报当前功耗，但是并不会对当前功耗进行调整。
当目标功耗级别不为0级时，存储设备可以首先根据表1中功耗级别与初始上限值之间的对应关系，将当前功耗的目标上限值改变为目标功耗级别对应的初始上限值，然后，根据目标功耗级别对应的初始上限值，调节存储设备当前功耗。
表1功耗级别与初始上限值对应表
功耗级别 初始上限值
S0 128
S1 90
S2 72
S3 60
S4 50
S5 42
S6 36
S7 32
示例性的，假设当前功耗级别3级，存储设备通过对当前功耗进行调整之后，当前的目标上限值为55。当存储设备检测到当前功耗级别改变为6级时，存储设备直接将目标上限值55改变为6级功耗级别对应的初始上限值36，然后根据初始上限值36调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
应该理解的是，虽然图1-4的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图1-4中的至少一部分步骤可以包括多个步骤或者多个阶段，这些步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤中的步骤或者阶段的至少一部分轮流或者交替地执行。
如图5所示，本实施例提供一种功耗调节装置，应用于存储设备，该装置包括：
第一获取模块51，用于获取存储设备的当前功耗。
第一调节模块52，用于根据存储设备在当前功耗级别下的目标功耗以及当前功耗的大小关系，调节存储设备对应的初始上限值，得到调节后的目标上限值。
第二调节模块53，用于根据目标上限值，调节存储设备中执行读写任务的逻辑单元的数量，以调节存储设备当前功耗。
在本申请一个实施例中，上述第一调节模块52，具体用于计算当前功耗与目标功耗的差值；根据差值，调节初始上限值，得到调节后的目标上限值。
在本申请一个实施例中，上述第一调节模块52，具体用于当差值大于预设差值时，获取存储设备对应的调节比例；根据调节比例以及差值，调节初始上限值，得到调节后的目标上限值。
在本申请一个实施例中，上述第一调节模块52，具体用于当预设次数内的各差值均小于或者等于预设差值时，根据预设次数获取积分常数；根据积分常数以及各差值的和，调节初始上限值，得到调节后的目标上限值。
在本申请一个实施例中，如图6所示，上述功耗调节装置还包括：
第二获取模块54，用于获取当前功耗级别。
查询模块55，用于根据当前功耗级别，查询当前功耗级别对应的额定功耗。
第三获取模块56，用于获取当前功耗级别对应的安全差值。
计算模块57，用于利用额定功耗减去安全差值，计算得到存储设备在当前功耗级别下的目标功耗。
在本申请一个实施例中，上述查询模块55，具体用于根据预设的功耗级别范围，判断当前功耗级别是否有效；当当前功耗级别有效时，根据当前功耗级别，查询当前功耗级别对应的额定功耗。
在本申请一个实施例中，上述第一获取模块51，具体用于对电流传感器和/或电压传感器进行采样；根据采样数据，获取存储设备的当前功耗，并标注存储设备正在进行功耗调节。
关于功耗调节装置的具体限定以及有益效果可以参见上文中对于功耗调节方法的限定，在此不再赘述。上述功耗调节装置中的各个模块可全部或部分通过软件、硬件及其组合来实现。上述各模块可以硬件形式内嵌于或独立于存储设备中的处理器中，也可以以软件形式存储于存储设备中的存储器中，以便于处理器调用执行以上各个模块对应的操作。
本申请实施例还提供一种存储设备，具有上述图5或图6所示的功耗调节装置。
如图7所示，图7是本申请可选实施例提供的一种存储设备的结构示意图，如图7所示，该存储设备可以包括：至少一个处理器61，至少一个通信接口63，存储器64，至少一个通信总线62。其中，通信总线62用于实现这些组件之间的连接通信。其中，通信接口63可以包括标准的有线接口、无线接口。存储器64可以是高速RAM存储器(Random Access Memory，易挥发性随机存取存储器)，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。存储器64可选的还可以是至少一个位于远离前述处理器61的存储装置。其中处理器61可以结合图5或图6所描述的装置，存储器64中存储应用程序，且处理器61调用存储器64中存储的程序代码，以用于执行上述任一方法步骤。
其中，通信总线62可以是外设部件互连标准(peripheral component interconnect，简称PCI)总线或扩展工业标准结构(extended industry standard architecture，简称EISA)总线等。通信总线62可以分为地址总线、数据总线、控制总线等。为便于表示，图7中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
其中，存储器64可以包括易失性存储器(英文：volatile memory)，例如随机存取存储器(英文：random-access memory，缩写：RAM)；存储器也可以包括非易失性存储器(英文：non-volatile memory)，例如快闪存储器(英文：flash memory)，硬盘(英文：hard disk drive，缩写：HDD)或固态硬盘(英文：solid-state drive，缩写：SSD)；存储器64还可以包括上述种类的存储器的组合。
其中，处理器61可以是中央处理器(英文：central processing unit，缩写：CPU)，网络处理器(英文：network processor，缩写：NP)或者CPU和NP的组合。
其中，处理器61还可以进一步包括硬件芯片。上述硬件芯片可以是专用集成电路(英文：application-specific integrated circuit，缩写：ASIC)，可编程逻辑器件(英文：programmable logic device，缩写：PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(英文：complex programmable logic device，缩写：CPLD)，现场可编程逻辑门阵列(英文：field-programmable gate array，缩写：FPGA)，通用阵列逻辑(英文：generic array logic,缩写：GAL)或其任意组合。
可选地，存储器64还用于存储程序指令。处理器61可以调用程序指令，实现如本申请图1至4实施例中所示的功耗调节方法。
本申请实施例还提供了一种非暂态计算机存储介质，计算机存储介质存储有计算机可执行指令，该计算机可执行指令可执行上述任意方法实施例中的功耗调节方法。其中，存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)、随机存储记忆体(Random Access Memory，RAM)、快闪存储器(Flash Memory)、硬盘(Hard Disk Drive，缩写：HDD)或固态硬盘(Solid-State Drive，SSD)等；存储介质还可以包括上述种类的存储器的组合。
本申请实施例还提供了一种非易失性可读存储介质，参见图8，其示出了本申请实施例提供的一种非易失性可读存储介质的结构示意图，非易失性可读存储介质810中存储有计算机可执行指令812，计算机可执行指令812在被处理器执行时实现如上述任一种功耗调节方法的步骤。
虽然结合附图描述了本申请的实施例，但是本领域技术人员可以在不脱离本申请的精神和范围的情况下做出各种修改和变型，这样的修改和变型均落入由所附权利要求所限定的范围之内。

Claims (20)

  1. 一种功耗调节方法，其特征在于，应用于存储设备，所述方法包括：
    获取所述存储设备的当前功耗；
    根据所述存储设备在当前功耗级别下的目标功耗以及所述当前功耗的大小关系，调节所述存储设备对应的初始上限值，得到调节后的目标上限值；
    根据所述目标上限值，调节所述存储设备中执行读写任务的逻辑单元的数量，以调节所述存储设备当前功耗。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述存储设备在当前功耗级别下的目标功耗以及所述当前功耗的大小关系，调节所述存储设备对应的初始上限值，得到调节后的目标上限值，包括：
    计算所述当前功耗与所述目标功耗的差值；
    根据所述差值，调节所述初始上限值，得到调节后的所述目标上限值。
  3. 根据权利要求2所述的方法，其特征在于，所述根据所述差值，调节所述初始上限值，得到调节后的所述目标上限值，包括：
    当所述差值大于所述预设差值时，获取所述存储设备对应的调节比例；
    根据所述调节比例以及所述差值，调节所述初始上限值，得到调节后的所述目标上限值。
  4. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    当预设次数内的各所述差值均小于或者等于所述预设差值时，根据所述预设次数获取积分常数；
    根据所述积分常数以及各所述差值的和，调节所述初始上限值，得到调节后的所述目标上限值。
  5. 根据权利要求1所述的方法，其特征在于，所述根据所述存储设备在当前功耗级别下的目标功耗以及所述当前功耗的大小关系，调节所述存储设备对应的初始上限值，得到调节后的目标上限值之前，所述方法还包括：
    获取所述当前功耗级别；
    根据所述当前功耗级别，查询所述当前功耗级别对应的额定功耗；
    获取所述当前功耗级别对应的安全差值；
    利用所述额定功耗减去所述安全差值，计算得到所述存储设备在当前功耗级别下的目标功耗。
  6. 根据所述权利要求5所述的方法，其特征在于，所述根据所述当前功耗级别，查询 所述当前功耗级别对应的额定功耗，包括：
    根据预设的功耗级别范围，判断所述当前功耗级别是否有效；
    当所述当前功耗级别有效时，根据所述当前功耗级别，查询所述当前功耗级别对应的额定功耗。
  7. 根据权利要求1所述的方法，其特征在于，所述获取所述存储设备的当前功耗，包括：
    对电流传感器和/或电压传感器进行采样；
    根据采样数据，获取所述存储设备的当前功耗，并标注所述存储设备正在进行功耗调节。
  8. 根据权利要求1所述的方法，其特征在于，在所述根据所述存储设备在当前功耗级别下的目标功耗以及所述当前功耗的大小关系，调节所述存储设备对应的初始上限值之前，还包括：
    根据所述当前功耗级别确定与所述当前功耗级别对应的所述初始上限值。
  9. 根据权利要求1所述的方法，其特征在于，所述根据所述目标上限值，调节所述存储设备中执行读写任务的逻辑单元的数量，以调节所述存储设备当前功耗，包括：
    根据所述目标上限值以及所述存储设备正在执行的任务的程序，减少正在执行读操作、写操作以及擦除操作中的至少一种逻辑单元的数量。
  10. 根据权利要求4所述的方法，其特征在于，所述当预设次数内的各所述差值均小于或者等于所述预设差值时，根据所述预设次数获取积分常数，包括：
    当预设次数内的各所述差值均小于或者等于所述预设差值时，则确定所述当前功耗与所述目标功耗之间存在静态误差。
  11. 根据权利要求7所述的方法，其特征在于，所述对电流传感器和/或电压传感器进行采样，包括：
    对所述电流传感器和/或所述电压传感器进行多次采样。
  12. 根据权利要求7所述的方法，其特征在于，所述根据采样数据，获取所述存储设备的当前功耗，包括：
    根据采集到的电流数据和电压数据进行相乘，以得到所述存储设备的当前功耗。
  13. 根据权利要求7所述的方法，其特征在于，所述标注所述存储设备正在进行功耗调节，包括：
    控制所述存储设备的功耗调节指示灯发光，以标注所述存储设备正在进行功耗调节。
  14. 根据权利要求5所述的方法，其特征在于，所述获取所述当前功耗级别，包括：
    接收用户输入的所述当前功耗级别。
  15. 根据权利要求6所述的方法，其特征在于，所述根据预设的功耗级别范围，判断所述当前功耗级别是否有效，包括：
    当所述存储设备的当前功耗级别在功耗级别范围内时，确定所述当前功耗级别有效；
    当所述存储设备的当前功耗级别不在功耗级别范围内时，确定所述当前功耗级别无效。
  16. 根据权利要求6所述的方法，其特征在于，所述根据预设的功耗级别范围，判断所述当前功耗级别是否有效，还包括：
    当所述当前功耗级别无效时，输出所述当前功耗无效的消息。
  17. 根据权利要求6所述的方法，其特征在于，所述获取所述当前功耗级别对应的安全差值，包括：
    在确定所述存储设备的当前功耗级别有效之后，根据所述当前功耗级别获取所述当前功耗级别对应的安全差值。
  18. 一种功耗调节的装置，其特征在于，应用于存储设备，所述装置包括：
    第一获取模块，用于获取所述存储设备的当前功耗；
    第一调节模块，用于根据所述存储设备在当前功耗级别下的目标功耗以及所述当前功耗的大小关系，调节所述存储设备对应的初始上限值，得到调节后的目标上限值；
    第二调节模块，用于根据所述目标上限值，调节所述存储设备中执行读写任务的逻辑单元的数量，以调节所述存储设备当前功耗。
  19. 一种存储设备，其特征在于，包括存储器和处理器，所述存储器中存储有计算机指令，所述处理器通过执行所述计算机指令，从而执行权利要求1-17中任一项所述的功耗调节方法。
  20. 一种非易失性可读存储介质，其特征在于，所述非易失性可读存储介质存储有计算机指令，所述计算机指令用于使计算机执行权利要求1-17中任一项所述的功耗调节方法。
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