CN106991028B - Method and system for processing temperature abnormity of computer - Google Patents
Method and system for processing temperature abnormity of computer Download PDFInfo
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- CN106991028B CN106991028B CN201610038456.6A CN201610038456A CN106991028B CN 106991028 B CN106991028 B CN 106991028B CN 201610038456 A CN201610038456 A CN 201610038456A CN 106991028 B CN106991028 B CN 106991028B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000002159 abnormal effect Effects 0.000 claims abstract description 14
- 238000012937 correction Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
Abstract
The invention is suitable for the field of computer heat dissipation, and provides a method and a system for processing temperature abnormity of a computer, wherein the method comprises the following steps: acquiring a DTS temperature value and a temperature value of a temperature sensor; monitoring whether the DTS temperature value is updated or not; if so, acquiring an updated DTS temperature value and the latest temperature value of the temperature sensor; comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value; if so, judging that the temperature sensor is abnormal, and calculating to obtain the current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor and the latest temperature value of the temperature sensor. The invention judges whether the temperature sensor is normal or not by comparing the DTS temperature value with the temperature value of the temperature sensor, and can obtain the correct current temperature value of the computer by calculation when the temperature sensor is abnormal and the detected temperature value is inaccurate, so as to ensure the normal heat dissipation of the computer.
Description
Technical Field
The invention belongs to the field of computer heat dissipation, and particularly relates to a method and a system for processing temperature abnormity of a computer.
Background
In the prior art, an EC (Embedded Controller) of a computer generally reads a temperature value detected by a temperature sensor through an SMBUS (System Management Bus), and controls a rotation speed of an internal cooling fan of the computer according to a level of the temperature value, so as to achieve a purpose of cooling the computer.
However, due to aging of the temperature sensor or quality problems, the current temperature of the computer cannot be accurately detected, and normal heat dissipation of the heat dissipation fan is seriously affected, thereby reducing the working performance of the computer.
Disclosure of Invention
The invention aims to provide a method and a system for processing temperature abnormity of a computer, and aims to solve the problems that the current temperature of the computer cannot be accurately detected due to aging of a temperature sensor or quality problems and the like, and normal heat dissipation of a heat dissipation fan is seriously influenced, so that the working performance of the computer is reduced.
The invention is realized in such a way that a method for processing temperature abnormity of a computer comprises the following steps:
acquiring a DTS temperature value and a temperature value of a temperature sensor;
monitoring whether the DTS temperature value is updated or not;
if so, acquiring an updated DTS temperature value and the latest temperature value of the temperature sensor;
comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value;
if so, judging that the temperature sensor is abnormal, and calculating to obtain the current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor and the latest temperature value of the temperature sensor.
Preferably, after comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold, the method further includes:
if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold value, judging that the temperature sensor is normal;
and directly outputting the latest temperature value of the temperature sensor as the current temperature value of the computer.
The present invention also provides a system for processing a temperature abnormality of a computer, the system comprising:
the first acquisition module is used for acquiring a DTS temperature value and a temperature value of the temperature sensor;
the monitoring module is used for monitoring whether the DTS temperature value is updated or not;
the second acquisition module is used for acquiring an updated DTS temperature value and the latest temperature value of the temperature sensor if the DTS temperature value is updated;
the comparison module is used for comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value or not;
and the judgment correction module is used for judging that the temperature sensor is abnormal if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value, and calculating to obtain the current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor and the latest temperature value of the temperature sensor.
Preferably, the monitoring module specifically includes:
and the judgment correction module is further used for judging that the temperature sensor is normal if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold value. Compared with the prior art, the invention has the beneficial effects that:
whether the temperature sensor is normal or not is judged by comparing the updated DTS temperature value with the latest temperature value of the temperature sensor, and when the temperature sensor is abnormal and the detected temperature value is inaccurate, the correct current temperature value of the computer is obtained by calculation so as to ensure the normal heat dissipation of the computer;
the obtained DTS temperature value is written into the first storage address, and meanwhile, the zone bit is set in the second storage address, so that whether the DTS temperature value is updated or not is judged by checking whether the zone bit is set or not, the updated DTS temperature value can be simply, conveniently, rapidly and effectively obtained, and the data updating efficiency of the system is guaranteed on the premise that the performance of the system is not reduced.
Drawings
FIG. 1 is a basic flow chart diagram of a method for processing a temperature anomaly of a computer according to an embodiment of the present invention;
fig. 2 is a basic flow chart of a method for monitoring updating of a DTS temperature value according to an embodiment of the present invention;
FIG. 3 is a block diagram of a basic structure of a system for processing a temperature anomaly of a computer according to an embodiment of the present invention;
FIG. 4 is a block diagram of a basic flow of a DTS temperature value update monitoring system according to an embodiment of the present invention;
fig. 5 is a block diagram of a basic structure of a temperature detection system of a computer according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a basic flow chart of a method for processing a temperature anomaly of a computer according to an embodiment of the present invention.
As shown in fig. 1, the method for processing a temperature abnormality of a computer provided in this embodiment includes:
step S101: and acquiring a DTS temperature value and a temperature value of the temperature sensor.
In a specific application, step S101 specifically includes:
a BIOS (Basic Input Output System) of the computer reads a DTS (Digital Temperature Sensor) Temperature value of a DTS through a Central Processing Unit (CPU);
the EC of the computer sends a data read command to the temperature sensor through the SMBUS to obtain a temperature value of the temperature sensor.
In a preferred embodiment, step S101 further includes:
and carrying out system initialization.
In the invention, when the computer system is initialized, the DTS is initialized through the BIOS.
Step S102: and monitoring whether the DTS temperature value is updated or not.
In a specific application, whether the DTS temperature value is updated or not can be monitored by the EC; the update of the DTS temperature value may also be displayed by sending an SCI (Serial Communication Interface) event to the BIOS in real time. SCI events refer to the timed transmission of information such as documents, data, programs, etc. over a serial communication interface for a fixed period of time.
In this embodiment, a method of monitoring whether the DTS temperature value is updated by the EC is preferable.
Step S103: if so (i.e., if the DTS temperature value is updated), the updated DTS temperature value and the latest temperature value of the temperature sensor are obtained.
In a specific application, step S103 specifically includes:
and when monitoring that the DTS temperature value is updated, the EC acquires the updated DTS temperature value, and simultaneously immediately sends a data reading command to the temperature sensor through the SMBUS to acquire the latest temperature value of the temperature sensor.
Step S104: and comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value.
In a specific application, step S104 is performed by the EC of the computer.
The preset threshold value can be set according to the DTS of the computer, the temperature sensor and the performance of the computer.
In this embodiment, the preset threshold is preferably ± 7 ℃, i.e. at the same time. The positive deviation of the difference between the temperature value detected by the temperature sensor and the DTS temperature value detected by the DTS is 7 ℃, and the negative deviation is-7 ℃.
Step S105: if so (namely, if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value), judging that the temperature sensor is abnormal, and calculating to obtain the current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor and the latest temperature value of the temperature sensor.
In a specific application, step S105 is performed by the EC of the computer.
In a preferred embodiment, step S105 specifically includes:
if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value, judging that the temperature sensor is abnormal;
calculating a difference between the temperature value of the temperature sensor and the latest temperature value thereof;
and performing addition operation on the DTS temperature value and the difference value to obtain the current temperature value of the computer.
In practical application, when the temperature sensor is aged or has a quality problem, the temperature value detected by the temperature sensor is inaccurate, however, according to the working principle of the temperature sensor, although the temperature value read by the temperature sensor once is inaccurate due to the aging of the temperature sensor or the quality problem, the change of the temperature values detected twice before and after the aging of the temperature sensor is accurate. Therefore, the DTS temperature value is used as a reference value, and the difference between the temperature values detected twice before and after the temperature sensor is used as the amount of change in temperature, so that the reference value is increased or decreased, and the obtained final value can be used as the actual current temperature value of the computer.
In a preferred embodiment, step S105 is followed by: and outputting the current temperature value of the computer.
In a specific application, the operation of outputting the current temperature value of the computer is performed by the BIOS.
In this embodiment, step S105 specifically further includes:
if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold value, judging that the temperature sensor is normal;
correspondingly, in a preferred embodiment, after step S105, the method further includes: and directly outputting the latest temperature value of the temperature sensor as the current temperature value of the computer.
In a specific application, the latest temperature value of the temperature sensor is directly output and is executed by the BIOS as the current temperature value of the computer.
Due to the influence of objective environmental factors and the influence of measurement accuracy and detection mode, the temperature value detected by the temperature sensor is necessarily deviated from the DTS temperature value obtained through the DTS, when the deviation of the temperature value between the two is within an acceptable error range (i.e. if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold), the temperature sensor is considered to be normal, and the latest temperature value detected by the temperature sensor can be used as the actual current temperature value of the computer.
Fig. 2 is a basic flow chart of a method for monitoring updating of a DTS temperature value according to an embodiment of the present invention.
As shown in fig. 2, the update detection method for a DTS temperature value provided in this embodiment is a specific extension of step S102 shown in fig. 1, and specifically includes:
step S201: and writing the obtained DTS temperature value into a first storage address, and setting a flag bit at a second storage address.
In a specific application, the step S201 is executed by the BIOS.
In a preferred embodiment, step S201 specifically includes:
the BIOS writes the acquired DTS temperature value into a first storage address of the EC through a preset port of an ACPI (Advanced Configuration and Power Management Interface), and sets a flag bit at a second storage address of the EC.
In a specific application, the preset port is specifically a 6226 port of ACPI; the first storage address is a memory space 0x440 of the EC; the second storage address is memory space 0x441 of EC.
Step S202: checking whether the flag bit is set every interval of a preset time period.
In a specific application, the preset time period may be set in combination with a specific operating state of the computer and an actual heat dissipation requirement. In this embodiment, it is preferable that the preset time period is 1S (second).
Step S203: and if the temperature value is set, judging that the DTS temperature value is updated and clearing the data of the zone bit.
In particular, steps S202 and S203 are performed by the EC.
In this embodiment, the flag bit is a status flag bit.
The principle of judging whether the DTS temperature value is updated by checking whether the flag bit is set is as follows:
setting the initial state value of the flag bit to be 0, setting the flag bit of the second storage address when the DTS temperature value is updated and a new DTS temperature value is written into the first storage address, wherein the state value of the flag bit is changed from 0 to 1, and judging whether the DTS temperature value is updated or not by checking whether the state value of the flag bit is 0 or 1 (namely checking whether the flag bit is set or not); when the data of the flag bit is cleared (i.e., the status value 1 is cleared), the status value of the flag bit becomes 0 again, when the DTS temperature value is updated next time, the flag bit is set again, and the status value changes from 0 to 1 again, and so on.
Fig. 3 is a block diagram of a basic configuration of a temperature anomaly processing system of a computer according to an embodiment of the present invention.
As shown in fig. 3, the system for processing temperature abnormality of a computer provided in this embodiment includes:
the first obtaining module 101 is configured to obtain a DTS temperature value and a temperature value of the temperature sensor.
In a specific application, the first obtaining module 101 is a BIOS and an EC of a computer, the BIOS reads a DTS temperature value from the CPU, and the EC sends a data reading command to the temperature sensor through the SMBUS to obtain the temperature value of the temperature sensor.
In a preferred embodiment, the system further includes an initialization module for performing system initialization.
Every time the computer system starts to start, the BIOS of the computer initializes the DTS, and then reads the DTS temperature value to the CPU.
And the monitoring module 102 is configured to monitor whether the DTS temperature value is updated.
In a specific application, the monitoring module 102 is an EC of a computer; or the BIOS of the computer; the BIOS displays the update of the DTS temperature value by sending a Serial Communication Interface (SCI) event in real time. SCI events refer to the timed transmission of information such as documents, data, programs, etc. over a serial communication interface for a fixed period of time.
A second obtaining module 103, configured to obtain an updated DTS temperature value and a latest temperature value of the temperature sensor if the DTS temperature value is updated.
In a specific application, the second obtaining module 103 is an EC of the computer, and when the EC monitors that the DTS temperature value is updated, the EC obtains the updated DTS temperature value, and at the same time, immediately sends a data reading command to the temperature sensor through the SMBUS to obtain a latest temperature value of the temperature sensor.
A comparing module 104, configured to compare whether a difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold.
In a particular application, the comparison module 104 is an EC of a computer.
And the judgment and correction module 105 is configured to judge that the temperature sensor is abnormal if a difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold, and calculate a current temperature value of the computer according to the DTS temperature value, the updated DTS temperature value, and the latest temperature value of the temperature sensor.
In a particular application, the decision-making modification module 105 is the EC of a computer.
In a preferred embodiment, the determination and correction module 105 specifically includes:
a determination unit, configured to determine that the temperature sensor is abnormal if a difference between the updated DTS temperature value and a latest temperature value of the temperature sensor is greater than a preset threshold;
the calculating unit is used for calculating the difference value between the temperature value of the temperature sensor and the latest temperature value thereof;
and the correction unit is used for performing addition operation on the DTS temperature value and the difference value to obtain the current temperature value of the computer.
In a preferred embodiment, the system further comprises an output module for outputting the current temperature value of the computer.
In a specific application, the output module is a BIOS of the computer.
In a preferred embodiment, the determination and correction module 105 is further configured to determine that the temperature sensor is normal if a difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold;
correspondingly, the output module is further configured to directly output the latest temperature value of the temperature sensor as the current temperature value of the computer.
Fig. 4 is a basic flow chart of the updating monitoring system for the DTS temperature value according to the embodiment of the present invention.
As shown in fig. 4, the update detection system for a DTS temperature value provided in this embodiment is a specific extension of the monitoring module 102 shown in fig. 3, and specifically includes:
and a storage setting unit 201, configured to write the obtained DTS temperature value into a first storage address, and set a flag bit in a second storage address.
In a specific application, the storage setting unit 201 is a BIOS of a computer.
In a preferred embodiment, the storage setting unit 201 is specifically configured to:
writing the obtained DTS temperature value into a first storage address of the EC through a preset port of an ACPI (Advanced Configuration and Power Management Interface), and setting a flag bit at a second storage address of the EC.
In a specific application, the preset port is specifically a 6226 port of ACPI; the first storage address is a memory space 0x440 of the EC; the second storage address is memory space 0x441 of EC.
And the query unit 202 is configured to check whether the flag bit is set every preset time period.
In a specific application, the preset time period may be set in combination with a specific operating state of the computer and an actual heat dissipation requirement. In this embodiment, it is preferable that the preset time period is 1S (second).
A clearing unit 203, configured to determine that the DTS temperature value has data to be updated and clear the flag bit if the flag bit is set.
In particular, query unit 202 and purge unit 203 are ECs of the computer.
Fig. 5 is a block diagram of a basic structure of a temperature detection system of a computer according to another embodiment of the present invention.
The embodiment of the invention provides a method for detecting the temperature of a computer, which is realized by a temperature detection system of the computer shown in figure 5.
As shown in fig. 5, the system includes a CPU of a computer, an EC connected to the CPU through lpc (low Pin count), and a temperature sensor connected to the EC through SMBUS, wherein the CPU includes a BIOS and a DTS connected to the BIOS.
The temperature detection method of the computer specifically comprises the following steps:
when a computer system is initialized, simultaneously initializing the DTS of the computer;
the BIOS reads the DTS temperature value from the CPU, writes the DTS temperature value into the memory space 0x440 of the EC through the 6266 port of the ACPI, and meanwhile, sets a flag bit in the memory space 0x441 of the EC;
the EC checks whether the flag bit is set or not at an interval of 1 second, and if the flag bit is set, the EC reads the updated DTS temperature value written in the memory space 0x440 and clears the set data of the flag bit; meanwhile, the EC immediately sends a data reading command to the temperature sensor through the SMBUS to acquire the latest temperature value of the temperature sensor;
EC compares whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is within ± 7 ℃ (including the case equal to ± 7 ℃);
if so, judging that the temperature sensor is normal and the temperature value detected by the temperature sensor is correct, and directly outputting the latest temperature value of the temperature sensor through the BIOS as the current temperature value of the computer;
if not, judging that the temperature sensor is abnormal, and the detected temperature value is wrong, calculating the difference value between the temperature value of the temperature sensor and the latest temperature value, adding the DTS temperature value and the difference value to obtain the current temperature value of the computer, and outputting the current temperature value of the computer through the BIOS.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A method for processing a temperature anomaly of a computer, the method comprising:
acquiring a DTS temperature value and a temperature value of a temperature sensor;
monitoring whether the DTS temperature value is updated or not;
if so, acquiring an updated DTS temperature value and the latest temperature value of the temperature sensor;
comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value;
if yes, judging that the temperature sensor is abnormal, and calculating to obtain the current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor and the latest temperature value of the temperature sensor, wherein the method comprises the following steps: if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value, judging that the temperature sensor is abnormal; calculating a difference between the temperature value of the temperature sensor and the latest temperature value thereof; adding the DTS temperature value and the difference value to obtain the current temperature value of the computer;
and outputting the current temperature value of the computer.
2. The method for processing temperature anomaly of computer according to claim 1, wherein said comparing whether the difference between said updated DTS temperature value and the latest temperature value of said temperature sensor is greater than a preset threshold value further comprises:
and if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold value, judging that the temperature sensor is normal.
3. The method for processing temperature anomaly of a computer according to claim 1, wherein the monitoring whether the DTS temperature value is updated specifically includes:
writing the obtained DTS temperature value into a first storage address, and setting a flag bit at a second storage address;
checking whether the flag bit is set every interval preset time period;
and if the temperature value is set, judging that the DTS temperature value is updated and clearing the data of the zone bit.
4. The method for processing temperature anomaly of computer according to claim 1, wherein before obtaining the DTS temperature value and the temperature value of the temperature sensor, the method further comprises:
and carrying out system initialization.
5. A temperature anomaly handling system for a computer, the system comprising:
the first acquisition module is used for acquiring a DTS temperature value and a temperature value of the temperature sensor;
the monitoring module is used for monitoring whether the DTS temperature value is updated or not;
the second acquisition module is used for acquiring an updated DTS temperature value and the latest temperature value of the temperature sensor if the DTS temperature value is updated;
the comparison module is used for comparing whether the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold value or not;
a determination and correction module, configured to determine that the temperature sensor is abnormal if a difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is greater than a preset threshold, and calculate a current temperature value of the computer according to the DTS temperature value, the temperature value of the temperature sensor, and the latest temperature value of the temperature sensor, where the determination and correction module includes: a determination unit, configured to determine that the temperature sensor is abnormal if a difference between the updated DTS temperature value and a latest temperature value of the temperature sensor is greater than a preset threshold; the calculating unit is used for calculating the difference value between the temperature value of the temperature sensor and the latest temperature value thereof; the correction unit is used for performing addition operation on the DTS temperature value and the difference value to obtain the current temperature value of the computer;
and the output module is used for outputting the current temperature value of the computer.
6. The temperature anomaly handling system of a computer according to claim 5, wherein:
and the judgment correction module is further used for judging that the temperature sensor is normal if the difference between the updated DTS temperature value and the latest temperature value of the temperature sensor is not greater than a preset threshold value.
7. The system for processing temperature anomaly of a computer according to claim 5, wherein said monitoring module specifically comprises:
the storage setting unit is used for writing the acquired DTS temperature value into a first storage address and setting a flag bit at a second storage address;
the query unit is used for checking whether the flag bit is set every preset time period;
and the clearing unit is used for judging that the DTS temperature value is updated and clearing the data of the flag bit if the flag bit is set.
8. The system for processing a temperature anomaly of a computer according to claim 5, said system further comprising:
and the initialization module is used for carrying out system initialization.
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| US6092926A (en) * | 1998-09-17 | 2000-07-25 | International Business Machines Corporation | Thermal monitoring system for semiconductor devices |
| US7347621B2 (en) * | 2004-07-16 | 2008-03-25 | International Business Machines Corporation | Method and system for real-time estimation and prediction of the thermal state of a microprocessor unit |
| RU2438164C2 (en) * | 2009-11-10 | 2011-12-27 | Открытое акционерное общество "Российская корпорация ракетно-космического приборостроения и информационных систем" (ОАО "Российские космические системы") | System for functional testing housed random-access memory microcircuit chips |
| CN103471743A (en) * | 2013-07-02 | 2013-12-25 | 晶锋集团股份有限公司 | Temperature sensor detection method based on measurement precision |
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