JPH0619779A - Memory monitoring device - Google Patents

Abstract

PURPOSE:To give warning to a user with regard to a memory remaining quantity and to prevent data recorded in a memory space from being broken by regularly monitoring the memory remaining quantity and analog-displaying it in a color corresponding to its step. CONSTITUTION:A display control means 2 controls so as to constantly display the memory remaining quantity by a window form on a display device 3 in accordance with the set point of the flag of the display/non-display of the memory remaining quantity from an input means 1 and to forcedly display it on a specified condition. Besides, a display control means 2 generates an analog image in the color corresponding to the step of the memory remaining quantity on the display 3 based on data on the memory remaining quantity which is regularly provided from a memory remaining quantity monitoring means 4. The memory remaining quantity monitoring means 4 regularly monitors the memory remaining quantity of a main memory 7 and provides data on the memory remaining quantity for the display means 2. Data on the memory remaining quantity from the memory remaining quantity monitoring means 4 is also provided to an alarming sound control means 5 to permit a speaker 6 to generate an alarming sound corresponding to the step of the memory remaining quantity.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
In a network system or the like, the present invention relates to a memory monitoring device that manages the remaining amount of the main memory that constitutes a virtual storage area and can effectively prevent the storage area of the memory from being destroyed.

[0002]

2. Description of the Related Art A virtual storage system is generally adopted in a system that handles a large amount of data such as a CAD system or a database system. In this type of system, page-based or segment-based swapping is frequently repeated between a large-capacity memory and a high-speed main memory.
Further, the main memory is usually opened as a work area or a user area of an operating system (hereinafter referred to as “OS”).

[0003]

When considering a computer network system or the like in which a large number of slave units are connected to one master unit, when a specific slave unit reads large drawing data, the master unit is read. The main memory space of may run out of free space. On the other hand, since the memory capacity required by the OS cannot be reduced, the OS tries to secure the memory space by forcibly terminating the user process when the used area of the main memory is randomly expanded. As a result, the application program does not operate normally and the data recorded in the memory is destroyed.

The present invention has been made in order to solve such a problem, and it is possible to give a warning to the user regarding the remaining amount of memory, which may destroy the data recorded in the memory space. An object is to provide a memory monitoring device that can be effectively prevented.

[0005]

SUMMARY OF THE INVENTION A memory monitoring device according to the present invention includes a memory in which an area occupied by an operating system and a user-used area are formed, and a memory remaining capacity for periodically monitoring the remaining amount of this memory. It is characterized by comprising an amount monitoring means and a display means for analogically displaying the remaining memory amount monitored by the remaining memory amount monitoring device in a color corresponding to the stage. Here, the memory remaining amount displayed in an analog manner is used in a broad sense including the memory usage amount.

It should be noted that the present invention also includes a device further provided with a warning sound generating means for generating a warning sound according to the level of the remaining memory. Further, the display means does not always display the remaining amount of memory, but when the remaining amount of memory becomes equal to or less than a first predetermined amount, the remaining amount of memory is forcibly displayed at that time. Good. Further, the present invention also includes one further comprising means for stopping the activation of a new program when the remaining memory capacity becomes equal to or less than a second predetermined amount which is smaller than the first predetermined amount.

[0007]

According to the present invention, the remaining memory amount monitoring means periodically monitors the remaining memory amount and the display means displays the remaining memory amount. In addition, the remaining memory capacity is displayed in analog according to the color of each step, so the user can grasp the current usage status of the memory at a glance, and take appropriate measures such as deleting extra data. Can be taken. Therefore, it is possible to effectively prevent the data from being destroyed by the forced termination of the process.

In addition to displaying the remaining memory capacity,
If the warning sound is used to call attention, the user can more intuitively understand the memory status. Further, even if the remaining memory capacity is not always displayed, if it is forcibly displayed when it becomes less than or equal to the first predetermined amount, it is further effective as a warning to the user. It should be noted that, in addition to such a caution to the user, by further providing a means for stopping the activation of a new program when the amount becomes equal to or less than the second predetermined amount, it is possible to more reliably prevent the destruction of data. You can

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a functional block diagram of a memory monitoring device according to an embodiment of the present invention. The input means 1 is
It is composed of a keyboard, a mouse, and the like, and is used to set a flag for switching the display / non-display of the remaining memory amount on the display device 3. The display control unit 2 performs control for constantly displaying the remaining memory amount in a window format on the display device 3 according to the set value of the flag for displaying / non-displaying the remaining memory amount, or forcibly displaying the remaining memory amount under a specific condition. To do. Further, the display control means 2 displays on the display device 3 an analog image of a color corresponding to the level of the remaining memory amount based on the remaining memory amount data which is periodically supplied from the remaining memory amount monitoring means 4. To generate. The display device 3 is composed of a CRT display device or the like, and constitutes the display means together with the display control means 2.

The memory remaining amount monitoring means 4 includes a main memory 7
The memory remaining amount is periodically monitored, and the memory remaining amount data is supplied to the display control means 2. The memory remaining amount data from the memory remaining amount monitoring means 4 is also supplied to the warning sound control means 5. The warning sound control means 5 generates a warning sound according to the remaining memory level by driving the speaker 6.

The main memory 7 constitutes a part of the virtual memory space and forms an area occupied by the OS and a user use area. The disk device 9 is a large capacity memory that constitutes the virtual memory space. Swap control means 8
Swaps programs or data in page units or segment units between the main memory 7 and the disk device 9.

Next, the operation of the memory monitoring device configured as described above will be described. FIG. 2 is a diagram showing an example of a display screen on the display device 3. The display screen 11 is displayed in a multi-window format, and a memory remaining amount display window 12 is displayed in a part thereof. The memory remaining amount display window 12 is constantly displayed if the display / non-display flag is turned on by the input means 1, and is turned off.
If it is, it is forcibly displayed only when the remaining memory amount becomes less than or equal to a predetermined value.

3 to 6 are views showing a concrete display form of the memory remaining amount display window 12. As shown in FIG. In the figure, `` Total
"The used memory size of the main memory 7, the currently used memory size, and the current remaining memory of the main memory 7 are displayed numerically in the portions described as" Used "and" Free ", respectively. It has become. A memory remaining amount analog display unit 13 is provided in the lower half position of the window 12. Remaining memory analog display 1
Reference numeral 3 is an area in which the memory usage amount is indicated by the colored portion 14 and the memory remaining amount is indicated by the colorless portion 15, respectively, so that the memory remaining amount can be intuitively understood. Colored part 14
Are displayed in the colors shown in Table 1 according to the memory usage, as shown in FIGS.

[0014]

[Table 1]

On the other hand, along with this, the warning sound control means 5
The first sound when memory usage exceeds 50%, 70%
The second sound above 90%, the third sound above 90%
A sound is generated in each speaker 6. The first to third sounds are
For example, the warning time is gradually increased by gradually increasing the beep sound generation time or changing the frequency. Further, the beep sound may be generated only when the memory usage exceeds 90%.

FIG. 7 is a flow chart showing a processing procedure of memory monitoring. First, it is determined whether or not the memory remaining amount display / non-display flag is ON (S1). If the flag is ON, the memory remaining amount is monitored (S2). In particular,
For example, the OS in which the current address is stored is read and the kernel is accessed to read the information on the current memory usage.

If the remaining memory amount exceeds 50%, the colored portion 14 of the remaining memory analog display portion 13 is displayed in green by an amount corresponding to the used memory amount (S3, S).
4). When the memory remaining amount is 50% or less and exceeds 30%, the colored portion 1 of the memory remaining amount analog display unit 13 is displayed.
4 is displayed in yellow by an amount corresponding to the memory usage amount, and the first sound is sounded (S5, S6). When the memory remaining amount is 30% or less and exceeds 10%, the colored portion 14 of the memory remaining amount analog display portion 13 is displayed in red by an amount corresponding to the memory usage amount, and the second sound is emitted. (S7, S
8). When the remaining memory capacity is 10% or less, the colored area 14 of the remaining memory capacity analog display 13 is displayed in blinking red,
The third sound is sounded to draw the most attention (S7, S9).
Then, after these displays, the same processing is repeated after waiting for 5 seconds (S13).

When the remaining memory becomes 5% or less,
The activation of the new program is interrupted (S11), and the fact that the activation of the program is interrupted is displayed (S12). Further, when the memory remaining amount display / non-display flag is OFF (S1), the remaining memory amount is not displayed at all times, and after the remaining memory amount is monitored (S14), the remaining memory amount becomes 30% or less. Only when this happens, the above-mentioned display for each step is forcibly performed (S1
5, S16).

As described above, according to this processing, when the remaining memory capacity becomes 50% or less, a yellow analog display,
When it becomes 30% or less, red analog display, 10%
In the following cases, a blinking display in red is made, and at each stage, attention is given by sound or forced display, so that the user can easily recognize the memory margin, It is possible to prevent storing more data than necessary in the memory. Further, according to this process, when the remaining amount of the memory becomes 5% or less, the start of a new program is interrupted, so that the OS may forcibly terminate the application. It can be surely prevented.

[0020]

As described above, according to the present invention, the remaining memory amount is regularly monitored, and the remaining memory amount is displayed in analog in a color according to the stage.
The user can easily grasp the usage status of the memory and can take appropriate measures such as deleting extra data. Therefore, it is possible to prevent the data recorded in the memory space from being accidentally destroyed.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a memory monitoring device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a display screen of a display device in the same device.

FIG. 3 is a diagram showing a display form of a memory remaining amount display window in the display device.

FIG. 4 is a diagram showing a display form of a memory remaining amount display window in the display device.

FIG. 5 is a diagram showing a display form of a memory remaining amount display window in the display device.

FIG. 6 is a diagram showing a display form of a memory remaining amount display window in the display device.

FIG. 7 is a flowchart showing an operation of the memory monitoring device.

[Explanation of symbols]

1 ... Input means, 2 ... Display control means, 3 ... Display device, 4 ...
Remaining memory monitoring means, 5 ... Warning sound control means, 6 ... Speaker, 7 ... Main memory, 8 ... Swap control means, 9 ... Disk device, 11 ... Display screen, 12 ... Memory remaining amount display window, 13 ... Memory remaining Quantity analog display section, 14 ... Colored section, 15 ... Colorless section.

Claims (4)

[Claims] 1. A memory in which an area occupied by an operating system and an area used by a user are formed, a memory remaining amount monitoring unit for regularly monitoring the remaining amount of the memory, and a memory remaining amount monitoring unit for monitoring the remaining amount of the memory. A memory monitoring device, comprising: a display unit that analogically displays the remaining amount of the stored memory in a color corresponding to the stage. 2. The memory monitoring device according to claim 1, further comprising a warning sound generating means for generating a warning sound according to the level of the remaining memory. 3. The display means does not always display the remaining memory capacity, but forcibly displays the remaining memory capacity at that time when the remaining memory capacity becomes less than or equal to a first predetermined amount. The memory monitoring device according to claim 1 or 2, wherein 4. The method according to claim 1, further comprising means for stopping the activation of a new program when the remaining memory capacity becomes equal to or less than a second predetermined amount smaller than the first predetermined amount. 4. The memory monitoring device according to claim 3.