CN105760278A - Computer performance monitoring system based on singlechip microcomputer and computer performance monitoring method based on singlechip microcomputer - Google Patents
Computer performance monitoring system based on singlechip microcomputer and computer performance monitoring method based on singlechip microcomputer Download PDFInfo
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- CN105760278A CN105760278A CN201610127682.1A CN201610127682A CN105760278A CN 105760278 A CN105760278 A CN 105760278A CN 201610127682 A CN201610127682 A CN 201610127682A CN 105760278 A CN105760278 A CN 105760278A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3024—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a central processing unit [CPU]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
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Abstract
The invention provides a computer performance monitoring system based on a single chip microcomputer and a computer performance monitoring method based on a singlechip microcomputer, belonging to the field of computer performance monitoring. The system comprises a singlechip microcomputer, an interface conversion chip, a USB interface and an LED display, wherein the singlechip microcomputer is connected with the LED display and the interface conversion chip respectively, the interface conversion chip is connected with the USB interface, and the singlechip microcomputer is used for receiving and processing information transmitted by the interface conversion chip and reflecting the utilization rates of a CPU, a physical memory and a virtual memory to the LED display. The system and the method have the beneficial effects that the cost is low, the intelligent monitoring of the computer performance can be realized, the development is easy, and the large-scale popularization and use are facilitated.
Description
Technical field
The invention belongs to computing power monitoring field, relate to a kind of SCM Based Computer Performance Monitoring System and method.
Background technology
Computing power is always up weighing the major criterion of system and program level.Along with the fast development of the Internet, the surge of number of users, in order to ensure service quality, by the monitoring to systematic function, it is possible to reach load balancing, it is ensured that the stability of business.
When weighing system and program performance, central processing unit (CentralProcessingUnit, CPU) utilization rate is a very important index, the time that program expends, the instruction number performed, cache access hit-count, performance parameter relevant for the CPU such as the correct number of times of branch prediction can reflect the quality of program comparatively intuitively.Additionally, the calculation process efficiency of system is also had obvious impact by the size of the capacity of physical memory and the memory bar memory bar that is inserted on mainboard memory slot.In addition, also has virtual memory, i.e. a kind of technology of computer system memory management, its make application program think have continuous print can internal memory (a continuous whole address space), and actually, usually it is divided into multiple physical memory fragment, also has part to be stored temporarily on external disk memorizer, carry out data exchange when needed.
The particularly important is the utilization rate height of CPU, physical memory and virtual memory and cause golf calorific value, reduce the service life of computer.
Retrieved by domestic patent document, the method and apparatus retrieving a kind of performance monitoring unit multiple affair statistics that publication number is CN201410437648.5, the method and apparatus of a kind of performance monitoring unit multiple affair of this disclosure of the invention statistics, for under the premise not revising system clock frequency, dynamically the accurate frequency adjusting event switching, improves the accuracy of performance statistics.This invention is applicable to large-scale distributed server;The present invention proposes a kind of SCM Based Computer Performance Monitoring System of one and the method that individual of being applicable to uses.The technical scheme of this patent documentation and present invention are essentially different.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, it is provided that a kind of SCM Based Computer Performance Monitoring System and method.
The present invention takes techniques below scheme to realize:
A kind of SCM Based Computer Performance Monitoring System (hereinafter referred to as Computer Performance Monitoring System), including single-chip microcomputer, interface conversion chip, USB interface and light-emitting diode display.Described single-chip microcomputer is connected with light-emitting diode display, interface conversion chip respectively, interface conversion chip is connected with USB interface, single-chip microcomputer receiving interface conversion chip transmission information and process, computer CPU, physical memory and virtual memory utilization rate are reflected on described light-emitting diode display.
Computer Performance Monitoring System of the present invention includes single-chip microcomputer, interface conversion chip, USB interface, three light-emitting diode displays, ten resistance, ferrite bead, four electric capacity, mothers row;The circuit design of Computer Performance Monitoring System is shown in Fig. 2;Circuit theory and the connection line thereof of Computer Performance Monitoring System are shown in Fig. 3.
Computer Performance Monitoring System according to the present invention; the plate of Multifunctional monitor adopts polyvinyl fluoride double-side copper-applying plate; through chemical etching mask-making technology; the circuit of custom-designed monitoring and protection circuit is scribed onboard whole components and parts of monitoring and protection circuit, inlet wire electrode, go out line electrode integrated be connected onboard, plate is connected on shell.
Wherein the feature of hardware device is as follows:
Described single-chip microcomputer model is attiny2313, described interface conversion chip model is that FT232RLUSB turns Uart, described USB interface model is Type B, described light-emitting diode display model is KingbrightDC-10EWA, described ten resistance are 150 ohm, described four electric capacity include two 100nF, a 10nF and a 4.7uF, and described row's order model is 6pin;Described interface conversion chip is connected with described single-chip microcomputer by RX and TX line, sends and receive the information of packet;Described three light-emitting diode displays are multiplexing, and negative electrode connects with PortB, PortD.5 and PortD.6 respectively, and anode is connected with Portd.2, Portd.3 and Portd.4 respectively;The Miso (primary input is from exporting) of described single-chip microcomputer, Mosi (main output is from inputting), SCK (synchronised clock) and Reset (reset) are connected with described mother row with programming, and meet VCC and GND altogether.
Additionally, the invention provides a kind of SCM Based computing power monitoring method, including following two step:
Step 1, opened object-computer serial ports by pyserial and the psutil module in python language, and by the defined USB interface transmission objectives computer CPU utilization rate of this serial ports, physical memory and virtual memory utilization rate data;
Step 2, by BascomAVR compiler compiling and burning control algolithm, described single-chip microcomputer is made to receive, by USB interface, three data that object-computer transmission is required, after respective algorithms identification judges, it is respectively converted into the control signal of three light-emitting diode displays, is reflected the utilization rate of systematic function by the bright lattice number of light-emitting diode display.
The present invention compared with prior art has the advantage that
1, reasonable in design: the present invention includes single-chip microcomputer, interface conversion chip, USB interface, three light-emitting diode displays, reasonable in design.
2, easy to use: the present invention only need to connect corresponding computer by USB interface can monitoring calculation machine running status.
3, reliability is high: the present invention adopts single-chip microcomputer of good performance, and adds corresponding algorithm controls on software, makes systematic function very reliable.
4, cost is low: the present invention adopts single-chip microcomputer as core devices, makes circuit system simplify, compact conformation, and volume is little, is convenient for carrying, it is simple to promote.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system structure block diagram of the present invention;
Fig. 2 is the circuit design drawing of the present invention;
Fig. 3 is circuit theory and the connection line figure thereof of the present invention;
Fig. 4 is the system structure block diagram of the embodiment of the present invention 1;
Fig. 5 is the system structure block diagram of the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described, it is emphasized that, embodiments of the invention are illustrative, rather than determinate, it is impossible to using the present embodiment as limitation of the invention.
A kind of SCM Based Computer Performance Monitoring System, as it is shown in figure 1, this system includes single-chip microcomputer, interface conversion chip, USB interface and light-emitting diode display.Described single-chip microcomputer is connected with light-emitting diode display, interface conversion chip respectively, described interface conversion chip is connected with USB interface, described single-chip microcomputer receiving interface conversion chip transmission information and process, computer CPU, physical memory and virtual memory utilization rate are reflected on described light-emitting diode display.The invention has the beneficial effects as follows: with low cost, be capable of intelligent monitoring computing power, be prone to exploitation, be easy to large-scale promotion use.
According to Computer Performance Monitoring System of the present invention, wherein said Computer Performance Monitoring System includes single-chip microcomputer, interface conversion chip, USB interface, three light-emitting diode displays, ten resistance, ferrite bead, four electric capacity, mothers row;The circuit design of Computer Performance Monitoring System is shown in Fig. 2;Circuit theory and the connection line thereof of Computer Performance Monitoring System are shown in Fig. 3.
The plate of described Multifunctional monitor adopts polyvinyl fluoride double-side copper-applying plate; through chemical etching mask-making technology; the circuit of custom-designed monitoring and protection circuit is scribed onboard whole components and parts of monitoring and protection circuit, inlet wire electrode, go out line electrode integrated be connected onboard, plate is connected on shell.
Described single-chip microcomputer model is attiny2313.
Described interface conversion chip model is that FT232RLUSB turns Uart.
Described USB interface model is Type B.
Described light-emitting diode display model is KingbrightDC-10EWA.
Described ten resistance are 150 ohm.
Described four electric capacity include two 100nF, a 10nF and a 4.7uF.
Described row's parent form number is 6pin.
Described interface conversion chip is connected with described single-chip microcomputer by RX and TX line, sends and receive the information of packet.
Described three light-emitting diode displays are multiplexing, and negative electrode connects with PortB, PortD.5 and PortD.6 respectively, and anode is connected respectively at Portd.2, Portd.3 and Portd.4.
The Miso (primary input is from exporting) of described single-chip microcomputer, Mosi (main output is from inputting), SCK (synchronised clock) and Reset (reset) are connected with described mother row with programming, and meet VCC and GND altogether.
Detailed introduction is done below in conjunction with two instantiations:
Example 1,
As shown in Figure 4, described object-computer by cpu, mem, virtmem data through the direct incoming described Computer Performance Monitoring System of USB interface, send in described single-chip microcomputer after described interface conversion chip processes, run after internal processes processes through being multiplexed in described three light-emitting diode displays through described single-chip microcomputer, CPU usage, physical memory utilization rate and virtual memory utilization rate are reflected respectively, and on described three light-emitting diode displays, this scheme is simple and reliable.
Example 2,
As shown in Figure 5, cpu, mem, virtmem data are sent to Bluetooth transmission module through USB interface by described object-computer, through being wirelessly transferred certain distance extremely described Bluetooth receptions module, send in described single-chip microcomputer after described interface conversion chip processes, run after internal processes processes through being multiplexed in described three light-emitting diode displays through described single-chip microcomputer, CPU usage, physical memory utilization rate and virtual memory utilization rate being reflected respectively on described three light-emitting diode displays, this scheme Bluetooth signal effective propagation path is about 10 meters.
Additionally, the invention provides a kind of SCM Based computing power monitoring method, comprise the following steps:
Step 1, object-computer setting.
Step 1.1: for adopting python to operate serial ports of computers, pyserial module need to be installed;
Step 1.2: for obtaining target processor and system related information, psutil module need to be installed;
Further, psutil module provides object-computer interface, it is possible to obtaining currently running process, system real time information is CPU, internal memory, disk, network and user situation such as;
Step 1.3: the definition corresponding object-computer COM port of serial ports;
Step 1.4: perform the python program major cycle that interruption is 1 second;
Step 1.4.1: (psutil.cpu_percent/10) that psutil module receives is stored in variable q, then required object-computer CPU usage is (' a'+'%.0f'% (q)), print cpu utilization rate, and by serial ports output described in step 1.3;
Step 1.4.2: (psutil.phymem_usage ()/10) that psutil module receives are stored in variable q, then required object-computer physical memory utilization rate is (' b'+'%.0f'% (q)), print physics memory usage, and by serial ports output described in step 1.3;
Step 1.4.3: (psutil.virtmem_usage ()/10) that psutil module receives are stored in variable q, then required object-computer virtual memory utilization rate is (' c'+'%.0f'% (q)), print virtual memory utilization rate, and by serial ports output described in step 1.3;
Step 1.4.4: close serial ports, a loop ends, after reaching the break period, start to circulate next time.
Step 2, single-chip microcomputer run the compiling of program.
Step 2.1: adopting the compiling of BascomAVR compiler burning program, definition serial communication speed is 9600 baud rates;
Step 2.2: start program circulates;
Step 2.3: definition object-computer transmission data cpu, mem, virtmem type are character string, and open port Portd.2, Portd.3, Portd.4;
Step 2.4: definition cpu, mem, virtmem initial value is " 0 ", then three light-emitting diode displays are in the state of not working;
Step 2.5: whether three data transmitting successively of detection are ' a', ' b', ' c', if three data be still ' a', ' b', ' c', then the corresponding port being connected with light-emitting diode display is in holding state;
Step 2.6: open Portd.2, (Asc (cpu)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, the light-emitting diode display luminance block ratio of corresponding corresponding port, interrupts 5ms and enters next step;
Step 2.7: open Portd.3, (Asc (mem)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, and the light-emitting diode display luminance block ratio of corresponding corresponding port is interrupted 5ms and entered next step;
Step 2.8: open Portd.4, (Asc (virtmem)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, and the light-emitting diode display luminance block ratio of corresponding corresponding port is interrupted 5ms and entered next step;
Step 2.9: enter and circulate next time.
The above; it is only presently preferred embodiments of the present invention; not the present invention is done any restriction, every any amendment, change and equivalent structure change above example made according to the technology of the present invention essence, should be included within the protection domain of technical solution of the present invention.
Claims (6)
1. a SCM Based Computer Performance Monitoring System, it is characterised in that: include single-chip microcomputer, interface conversion chip, USB interface, three light-emitting diode displays, mothers row.nullThe Miso (primary input is from exporting) of described single-chip microcomputer、Mosi (main output is from inputting)、SCK (synchronised clock) and Reset (reset) arranges female 1 with programming with described、2、3 and No. 4 ports connect,And meet VCC and GND altogether by arranging 5 and No. 6 female ports,Described interface conversion chip is connected with single-chip microcomputer by TXD and RXD interface,Described USB interface is connected with interface conversion chip by USBOP and USBOM interface,Described three light-emitting diode displays are multiplexing,Negative electrode respectively with PortB,PortD.5 and PortD.6 connects,Anode respectively with Portd.2,Portd.3 and Portd.4 is connected,Described single-chip microcomputer receiving interface conversion chip transmission information and process,By computer CPU、Physical memory and virtual memory utilization rate reflect on described light-emitting diode display.
2. the SCM Based Computer Performance Monitoring System of one according to claim 1, it is characterised in that: described single-chip microcomputer model is attiny2313.
3. the SCM Based Computer Performance Monitoring System of one according to claim 1, it is characterised in that: described interface conversion chip model is that FT232RLUSB turns Uart.
4. the SCM Based Computer Performance Monitoring System of one according to claim 1, it is characterised in that: described USB interface model is Type B.
5. the SCM Based Computer Performance Monitoring System of one according to claim 1, it is characterised in that: described three light-emitting diode display models are KingbrightDC-10EWA.
6. the SCM Based computing power monitoring method of the one realized described in any one of claim 1 to 5, it is characterised in that job step is as follows:
Step 1, object-computer setting.
Step 1.1: for adopting python to operate serial ports of computers, pyserial module need to be installed;
Step 1.2: for obtaining target processor and system related information, psutil module need to be installed;
Further, psutil module provides object-computer interface, it is possible to obtaining currently running process, system real time information is CPU, internal memory, disk, network and user situation such as;
Step 1.3: the definition corresponding object-computer COM port of serial ports;
Step 1.4: perform the python program major cycle that interruption is 1 second;
Step 1.4.1: (psutil.cpu_percent/10) that psutil module receives is stored in variable q, then required object-computer CPU usage is (' a'+'%.0f'% (q)), print cpu utilization rate, and by serial ports output described in step 1.3;
Step 1.4.2: (psutil.phymem_usage ()/10) that psutil module receives are stored in variable q, then required object-computer physical memory utilization rate is (' b'+'%.0f'% (q)), print physics memory usage, and by serial ports output described in step 1.3;
Step 1.4.3: (psutil.virtmem_usage ()/10) that psutil module receives are stored in variable q, then required object-computer virtual memory utilization rate is (' c'+'%.0f'% (q)), print virtual memory utilization rate, and by serial ports output described in step 1.3;
Step 1.4.4: close serial ports, a loop ends, after reaching the break period, start to circulate next time.
Step 2, single-chip microcomputer run the compiling of program.
Step 2.1: adopting BascomAVR compiler to compile and pass through the female burning program of row, definition serial communication speed is 9600 baud rates;
Step 2.2: start program circulates;
Step 2.3: definition object-computer transmission data cpu, mem, virtmem type are character string, and open port Portd.2, Portd.3, Portd.4;
Step 2.4: definition cpu, mem, virtmem initial value is " 0 ", then three light-emitting diode displays are in the state of not working;
Step 2.5: whether three data transmitting successively of detection are ' a', ' b', ' c', if three data be still ' a', ' b', ' c', then the corresponding port being connected with light-emitting diode display is in holding state;
Step 2.6: open Portd.2, (Asc (cpu)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, the light-emitting diode display luminance block ratio of corresponding corresponding port, interrupts 5ms and enters next step;
Step 2.7: open Portd.3, (Asc (mem)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, and the light-emitting diode display luminance block ratio of corresponding corresponding port is interrupted 5ms and entered next step;
Step 2.8: open Portd.4, (Asc (virtmem)-48) is stored in variable J, if J < 8, Portb.j opens, if J=8, then Portd.5 opens, if J=9, then Portb.6 opens, and the light-emitting diode display luminance block ratio of corresponding corresponding port is interrupted 5ms and entered next step;
Step 2.9: enter and circulate next time.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107577434A (en) * | 2017-09-14 | 2018-01-12 | 郑州云海信息技术有限公司 | Capacity acquiring method, device, equipment and the readable storage medium storing program for executing of memory node |
CN111444061A (en) * | 2020-03-30 | 2020-07-24 | 浪潮商用机器有限公司 | Server resource monitoring method and system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203134325U (en) * | 2013-03-19 | 2013-08-14 | 赵雪琴 | Wireless LED electronic display screen |
CN204695747U (en) * | 2015-03-20 | 2015-10-07 | 华东交通大学 | The device that a kind of hand-held LED controlled based on blue teeth wireless shows |
-
2016
- 2016-03-07 CN CN201610127682.1A patent/CN105760278A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203134325U (en) * | 2013-03-19 | 2013-08-14 | 赵雪琴 | Wireless LED electronic display screen |
CN204695747U (en) * | 2015-03-20 | 2015-10-07 | 华东交通大学 | The device that a kind of hand-held LED controlled based on blue teeth wireless shows |
Non-Patent Citations (1)
Title |
---|
刘鑫 等: "利用STC89C55RD+单片机实现无线LED点阵显示系统", 《工业控制计算机》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107577434A (en) * | 2017-09-14 | 2018-01-12 | 郑州云海信息技术有限公司 | Capacity acquiring method, device, equipment and the readable storage medium storing program for executing of memory node |
CN111444061A (en) * | 2020-03-30 | 2020-07-24 | 浪潮商用机器有限公司 | Server resource monitoring method and system |
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