CN109522186B - Monitoring method and system based on Linux disk access - Google Patents
Monitoring method and system based on Linux disk access Download PDFInfo
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- CN109522186B CN109522186B CN201811377248.4A CN201811377248A CN109522186B CN 109522186 B CN109522186 B CN 109522186B CN 201811377248 A CN201811377248 A CN 201811377248A CN 109522186 B CN109522186 B CN 109522186B
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 238000005192 partition Methods 0.000 claims description 66
- 239000000523 sample Substances 0.000 claims description 22
- 101150108030 ppiD gene Proteins 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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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
Abstract
The invention provides a monitoring method and a monitoring system based on Linux disk access. The invention can monitor the disk, is beneficial to positioning the problem of the disk and ensures the state of the disk; the method can also monitor the abnormal access of the disk and confirm the safety of the file.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a monitoring method and a monitoring system based on Linux disk access.
Background
The disk performance test is a necessary test in server test, and is mainly used for checking the quality condition of a disk, such as the problem of bad tracks of the disk, the bad tracks of the disk are mainly divided into a logic bad track and a physical bad track, and when the problem occurs, the disk can not be read or the reading speed is too slow.
Some errors about the disk are found in the system log in daily tests. For example, an error of "unknown partition table" may occur in the messages log. At this time, we need to find what process and what reason causes the error.
Therefore, a method is needed to solve the problem of monitoring what process is operating on the disk to facilitate the positioning.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a monitoring method and system based on Linux disk access, which monitor partitions with different formats through a "check _ partition" structure in a source code of a Linux kernel, and find a process of disk operation, so as to find a reason for error reporting of a disk.
In order to achieve the purpose, the invention is realized by the following technical scheme: a monitoring method based on Linux disk access comprises the following steps:
step 1: installing a probe for system monitoring under a Linux system;
step 2: installing a kernel code package for monitoring the Linux system;
and step 3: calling a check partition structure body to check the disk partition;
and 4, step 4: outputting current time, function name, disk partition and pid information;
and 5: and collecting a monitoring log.
Further, the probe monitored by the system is systemtap-runtime.
Further, the monitoring of the kernel code package of the Linux system includes: kernel-debug fo-common, kernel-debug fo and kernel-level.
Further, the step 4 specifically includes:
step 41: calling ctime (now) function to print current time;
step 42: obtaining a return value of the called check partition structure through a $ return command;
step 43: calling an execname () function to output the process name of the disk partition;
step 44: and calling a pid () function to display the pid information of the disk partition process.
Further, step 42 further comprises: if no value is returned, 0 is output; if yes, and the partition table is valid, outputting a positive value; if there is an error, a negative value is output.
Further, the step 4 further comprises: and calling a pexecname () function and a ppid () function, and displaying the parent process of the disk partition process and the pid information of the parent process.
In addition, based on the method, the invention also provides a monitoring system based on Linux disk access, which comprises the following steps:
the monitoring probe installation module is used for installing a system monitoring probe in a Linux system;
the code package installation module is used for installing a kernel code package for monitoring the Linux system;
the checker calling module is used for calling the check partition structure body to check the disk partition;
the display module is used for displaying the current time, the function name, the disk partition and the pid information;
and the log collection module is used for running a monitoring log collection command and displaying the monitoring log.
Further, the system also comprises a return value output module, which is used for obtaining the return value of the called check partition structure body through a $ return command, and outputting 0 if no return value exists; if yes, and the partition table is valid, outputting a positive value; if there is an error, a negative value is output.
Compared with the prior art, the invention has the advantages that,
1. the invention can monitor the disk, is beneficial to positioning the problem of the disk and ensures the state of the disk;
2. the invention can monitor the abnormal access of the disk and confirm the safety of the file;
3. the invention is based on a Linux system, and the system is widely applied; the system environment required by the test is stable, and the test conclusion is real and reliable.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a system block diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, a monitoring method based on Linux disk access is characterized by comprising the following steps:
step 1: and installing a system monitoring probe under the Linux system.
The probe monitored by the system is systemtap-runtime.
Step 2: and installing a kernel code package for monitoring the Linux system.
The kernel code package includes: kernel-debug fo-common, kernel-debug fo and kernel-level.
And step 3: and calling the check partition structure to check the disk partition.
And 4, step 4: call ctime (now) function to print the current time.
And 5: the return value of the called check partition structure is obtained by the $ return command.
If no value is returned, 0 is output; if yes, and the partition table is valid, outputting a positive value; if there is an error, a negative value is output.
Step 6: and calling an execname () function to output the process name of the disk partition.
And 7: and calling a pid () function to display the pid information of the disk partition process.
And 8: and calling a pexecname () function and a ppid () function, and displaying the parent process of the disk partition process and the pid information of the parent process.
And step 9: and collecting a monitoring log.
The above embodiment of the monitoring method based on Linux disk access is described in detail, and based on the monitoring method based on Linux disk access described in the above embodiment, the embodiment of the present invention further provides a monitoring system based on Linux disk access corresponding to the method, as shown in fig. 2, including:
the monitoring probe installation module is used for installing a system monitoring probe in a Linux system;
the code package installation module is used for installing a kernel code package for monitoring the Linux system;
the checker calling module is used for calling the check partition structure body to check the disk partition;
the display module is used for displaying the current time, the function name, the disk partition and the pid information;
a return value output module, configured to obtain a return value of the called check partition structure through a $ return command, and if there is no return value, output 0; if yes, and the partition table is valid, outputting a positive value; if there is an error, outputting a negative value;
and the log collection module is used for running a monitoring log collection command and extracting the monitoring log.
Based on the monitoring method and the monitoring system based on the Linux disk access, the specific program implementation process and the content are as follows:
first, probe of installing system control
Secondly, installing the kernel-debug fo-common kernel-debug fo-debug
Third, program content
probe kernel.function("check_partition") {
now=gettimeofday_s()
printf( "%-25s kernel.%s - (process %s(%d), parent %s(%d)\n",
ctime(now), probefunc(), execname(), pid(), pexecname(), ppid() )
print_backtrace()
}
And/calling the check partition structure and outputting information such as time, function name and pid. The following function checks for each different partition type. The ctime (now) function prints the current time and $ return is the return value of the previously called checker. If not, 0 is returned. If so, and the partition table is valid, it returns a positive value, and if there is an error, returns a negative value. The method comprises the following steps that an execname () outputs a viewed process name of a disk partition, a pid () shows pid information of a viewed process of the disk partition, and a pexecname () shows a parent process of the viewed process of the disk partition and the pid information of the parent process;
probe kernel.function("efi_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.efi_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("sgi_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.sgi_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("msdos_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.msdos_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("osf_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.osf_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("sun_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.sun_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("amiga_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.amiga_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("mac_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.mac_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
probe kernel.function("karma_partition").return {
now=gettimeofday_s()
printf( "%-25s kernel.karma_partition - return=%d (process %s(%d), parent %s(%d)\n",
ctime(now), $return, execname(), pid(), pexecname(), ppid() )
}
fourth, collecting monitoring log
(1) The name of the tool is "func-watch.
(2) Executing the following commands with root user
stap -g -v func-watch.stp "sleep 3600" > func-watch.log
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Claims (6)
1. A monitoring method based on Linux disk access is characterized by comprising the following steps:
step 1: installing a probe for system monitoring under a Linux system;
step 2: installing a kernel code package for monitoring the Linux system;
and step 3: calling a check partition structure body to check the disk partition;
and 4, step 4: outputting current time, function name, disk partition and pid information;
and 5: collecting a monitoring log;
the step 4 specifically includes:
step 41: calling ctime (now) function to print current time;
step 42: obtaining a return value of the called check partition structure through a $ return command;
step 43: calling an execname () function to output the process name of the disk partition;
step 44: and calling a pid () function to display the pid information of the disk partition process.
2. The Linux disk access-based monitoring method of claim 1, wherein: the probe monitored by the system is systemtap-runtime.
3. The Linux disk access-based monitoring method of claim 1, wherein: the kernel code package for monitoring the Linux system comprises: kernel-debug fo-common, kernel-debug fo and kernel-level.
4. The Linux disk access-based monitoring method of claim 1, wherein the step 42 further comprises: if no value is returned, 0 is output; if yes, and the partition table is valid, outputting a positive value; if there is an error, a negative value is output.
5. The Linux disk access-based monitoring method of claim 1, wherein the step 4 further comprises: and calling a pexecname () function and a ppid () function, and displaying the parent process of the disk partition process and the pid information of the parent process.
6. A monitoring system based on Linux disk access is characterized by comprising:
the monitoring probe installation module is used for installing a system monitoring probe in a Linux system;
the code package installation module is used for installing a kernel code package for monitoring the Linux system;
the checker calling module is used for calling the check partition structure body to check the disk partition;
the display module is used for displaying the function name and the disk partition, calling a ctime (now) function to print the current time, calling an execname () function to output the process name of the disk partition, and calling a pid () function to display the pid information of the process of the disk partition;
the log collection module is used for running a monitoring log collection command and extracting a monitoring log;
a return value output module, configured to obtain a return value of the called check partition structure through a $ return command, and if there is no return value, output 0; if yes, and the partition table is valid, outputting a positive value; if there is an error, a negative value is output.
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