CN103034577A - Method and device for positioning slow shutdown - Google Patents
Method and device for positioning slow shutdown Download PDFInfo
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- CN103034577A CN103034577A CN2011102999416A CN201110299941A CN103034577A CN 103034577 A CN103034577 A CN 103034577A CN 2011102999416 A CN2011102999416 A CN 2011102999416A CN 201110299941 A CN201110299941 A CN 201110299941A CN 103034577 A CN103034577 A CN 103034577A
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Abstract
The invention discloses a method and a device for positioning slow shutdown. The method comprises the following steps of: when shutdown is monitored, triggering a drive program to call a kernel application programming interface drive equipment register shutdown information notification function to register shutdown callback for the drive equipment; after input/output request packet information is received, recording operating system process information and calling a kernel application interface write file function to write the recorded operating system process information into a preset disk file; and conducting startup to obtain the disk file which records the operating system process information, and analyzing and positioning process information which causes slow shutdown. By using the method and the device for positioning slow shutdown, the factors which cause slow shutdown can be known, the optimization can be pertinently conducted and the shutdown time is shortened.
Description
Technical field
The present invention relates to computer communication technology, particularly a kind of shutdown slow method and device of locating.
Background technology
Development along with computer communication technology, the application software of installing on the client is also more and more, when each shutdown, client need to be nullified the application software of operation, and preserves user profile, therefore, need to consume the regular hour, thereby cause the pass motor speed of client slack-off, for example, when user profile longer, when shutdown, in time do not obtain discharging, perhaps, the application software of test development, perhaps, the driver of some hardware device on the client is installed not exclusively or existing problems, perhaps, when background application software the time is in running status in shutdown, these program process of system finishing need the time, perhaps, the backstage mistake occurs when finishing certain application program, make system process be absorbed in endless loop, and the time that finishes by force endless loop of system default is longer, perhaps, browser after the use with the part dll file in the buffer memory internal memory, so that internal memory is taken by no dll file.Said circumstances all may cause the client unused time long, takies user time, experiences thereby reduce the user.
At present, a kind of method is not proposed also, can be when shutdown, from the factors of above-mentioned impact shutdown, close the slack-off factor of motor speed by positioning client terminal, thereby one or more factors of impact shutdown are optimized targetedly, to reduce the system closedown time.
Summary of the invention
In view of this, fundamental purpose of the present invention is to propose a kind of slow method of shutdown of locating, and can know to cause the slow factor of shutting down, thereby optimize targetedly, reduces the unused time.
Another object of the present invention is to propose a kind of slow device of shutdown of locating, can know to cause the slow factor of shutting down, thereby optimize targetedly, reduce the unused time.
For achieving the above object, the invention provides a kind of slow method of shutdown of locating, the method comprises:
Monitor shutdown, it is driving arrangement registration shutdown readjustment that the triggering driver calls kernel application programming interface driving arrangement registration shutdown message notification function;
After receiving the input output request package informatin, record operating system progress information, and call kernel application programming interface written document function the operating system progress information of record is written in the disk file that sets in advance;
The disk file of record operating system progress information is obtained in start, analyzes and locate to cause the slow progress information that shuts down.
It is that driving arrangement registration shutdown readjustment comprises that described driver calls kernel application programming interface driving arrangement registration shutdown message notification function:
Driver creates device object corresponding to function creation driving arrangement by calling driving arrangement;
Utilize the device object that creates as parameter, call kernel application programming interface driving arrangement registration shutdown message notification function.
The function of tonic chord code of described input output request bag is the shutdown message notice.
When calling described kernel application programming interface written document function, further comprise:
Call the file attribute structure in the initialization files attribute function initialization files handle, and arrange that property value is the kernel file handle in the file attribute structure.
Described operating system progress information comprises: the thread information of the Thread Count of process number, process, process, the creation-time of process, kernel time, user time and process read-write disk number of times.
Described thread information comprises: the place module of the storehouse of thread, thread, thread of creating time, kernel time, user time and wait reason.
Import creation-time, the process kernel time of type system process and the described process number of thread acquisition of information, process, Thread Count, thread of creating time and the thread kernel time of process into by calling system information inquiry function.
Obtain the stack information of described thread by the kernel stack pointer that calls the current thread in the kernel stack function.
The described kernel application programming interface written document function that calls is written to the operating system progress information of record in the disk file that sets in advance and comprises:
Record operating system progress information;
Record the thread information under each process;
Call kernel application programming interface written document function, progress information and the thread information obtained are write the disk file that sets in advance.
A kind of slow device of shutdown of locating, this device comprises: shutdown callback module, operating system progress information acquisition module, memory module and positioning analysis module, wherein,
The shutdown callback module is used for monitoring shutdown, and it is driving arrangement registration shutdown readjustment that the triggering driver calls kernel application programming interface driving arrangement registration shutdown message notification function;
Operating system progress information acquisition module is used for after receiving the input output request package informatin, record operating system progress information, and call kernel application programming interface written document function and export the operating system progress information of record to memory module and store;
The positioning analysis module is used for obtaining the disk file that memory module records the operating system progress information after start, analyze and locate to cause the slow progress information that shuts down.
As seen from the above technical solutions, a kind of shutdown slow method and device of locating provided by the invention monitors shutdown, and it is driving arrangement registration shutdown readjustment that the triggering driver calls kernel application programming interface driving arrangement registration shutdown message notification function; After receiving the input output request package informatin, record operating system progress information, and call kernel application programming interface written document function the operating system progress information of record is written in the disk file that sets in advance; The disk file of record operating system progress information is obtained in start, analyzes and locate to cause the slow progress information that shuts down.Like this, by registration shutdown readjustment, when shutdown, the operating system progress information is recorded in the disk file, after next time start, obtain the disk file of record and analyze, thereby know the reason that causes system closedown slow, and be optimized targetedly, can reduce the follow-up unused time.
Description of drawings
Fig. 1 is the slow method flow synoptic diagram of embodiment of the invention location shutdown.
Fig. 2 is the slow apparatus structure synoptic diagram of embodiment of the invention location shutdown.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
In the embodiment of the invention, by registration shutdown readjustment, when shutdown with information recording /s such as process, thread, storehouses in the disk file that sets in advance, so that after the next time start, by obtaining the disk file of record, thereby know the relevant information of system process when shut down last time, and by analyzing the system process relevant information that records when shutting down, obtain the system process of length consuming time, draw the reason that causes system closedown slow, thereby be optimized targetedly.For example, when the application software of exploitation is found the pass motor speed of the system that affected in when test, and the environment that application software is moved is when having no chance to debug, can simply debug by the method for the embodiment of the invention, do not having in the situation of debugging enironment, the relevant information of system process is located the slow reason of shutdown during by the record shutdown.
Fig. 1 is the slow method flow synoptic diagram of embodiment of the invention location shutdown.Referring to Fig. 1, this flow process comprises:
In the practical application, in the function library of each client, all be provided with kernel application programming interface driving arrangement registration shutdown message notice (API IoRegisterShutdownNotification) function or API IoRegisterLastChance ShutdownNotification function, be used to each driving arrangement registration shutdown message notice, in the embodiment of the invention, consideration is driving arrangement registration shutdown readjustment by calling API IoRegisterShutdownNotif ication function, when triggering shutdown with process, thread, the information recording /s such as storehouse are in the disk file that sets in advance, like this, the relevant information of each process in the time of can obtaining shutdown.
Concrete introduction about API IoRegisterShutdownNotification function and IoRegisterLastChanc eShutdownNotification function can referring to the correlation technique document, not repeat them here.
Click shutdown during control when operating system monitors the user, determine that the user carries out shutdown process, thereby trigger registration shutdown readjustment.
It is that driving arrangement registration shutdown readjustment comprises that driver calls core A PI IoRegisterShutdownNotification function:
A11, driver create device object corresponding to (IoCreateDevice) function creation driving arrangement by calling driving arrangement;
In this step, device object is used for communicating by letter between driver and the operating system.
The device object that A12, utilization create calls core A PI IoRegisterShutdow nNotification function as parameter.
In this step, by utilizing the device object that creates as parameter, call core A PI IoRegist erShutdownNotification function, for each driving arrangement has been registered the shutdown readjustment.Like this, when monitoring shutdown, operating system sends the input output request bag (IRP that function of tonic chord code is IRP MJ SHUT DOWN to the device object that creates, I/O Request Package) shutdown message notice, device object receives the IRP bag, thereby knows that operating system shuts down.
In this step, at driver by after calling core A PI IoRegisterShutdownNotificati on function and being driving arrangement registration shutdown readjustment, if the device object that creates receives the IRP package informatin, show that operating system carrying out shutdown, thus trigger recording operating system progress information.
In the embodiment of the invention, calling core A PI ZwWriteFile function, be that kernel application programming interface written document function is written to the operating system progress information that records in the process of the disk file that sets in advance, API need to obtain the file handle of corresponding disk file, because file handle is relevant with process, the handle that namely opens file in the context of which process, the file handle that then obtains can only use in the context of this process.And in the embodiment of the invention, because the context that when shutdown, process was moved during with normal operation is different, the process of adjusting back during shutdown may operate in any context, so that the file handle of opening may become is invalid, based on this, the solution that proposes is when opening disk file, add file handle attribute OBJ_KERNEL_HANDLE, namely when calling API ZwCreateFile function, the parameter that to import a type into be OBJECT_ATTRIBUTES, in this argument structure body, there is a member (OBJ_KERNEL_HANDLE) to represent the file handle attribute, like this, when calling API ZwCreateFile function, by calling file attribute (OBJECT_ATTRIBUTES) structure in initialization files attribute (InitializeObject Attributes) the function initialization files handle, and attribute in the OBJECT_ATTRIBUTES structure (ATTRIBUTES) value is set for kernel file handle (OBJ_KERNEL_HANDLE), can be so that the file handle after opening be a kernel file handle, thereby so that can not being employed program, this kernel file handle accesses, can only driven routine access, and can in the context of any process, be used, thereby open disk file in can slave driver and read, write this disk file.Like this, when using file handle, operating system all can depend on (ATTACH) in suitable process context at every turn, thereby has guaranteed the validity of file handle.
In the embodiment of the invention, the device object description that to be operating system set up for hardware device, the data structure that records this hardware device relevant information, driving arrangement is the hardware device of physics.Driver can corresponding a plurality of device objects, and for instance, if a computer is equipped with a plurality of keyboards (device object), the keyboard drive of then installing in the computer (driver) can correspondingly drive a plurality of keyboard equipment objects.
The operating system progress information comprises the Thread Count of process number, process, the thread information of process, creation-time, kernel time (working time), user time and the process read-write disk number of times etc. of process, wherein, contain one or more threads in the process, the storehouse of thread packets of information vinculum journey, the place module of thread, thread of creating time, kernel time, user time and wait reason etc.Wherein, the place module of thread is the module information of process under the thread, comprises load address and the size of each module in the process.Wherein,
The information such as the Thread Count of the creation-time of process number, process, process kernel time, process, thread of creating time and thread kernel time can be imported the type system process into and thread information (SystemProcessesAndThrea dsInformation) is obtained by calling system information inquiry (ZwQuerySystem Information) function, after getting access to these information, these information of obtaining are write in the disk file that sets in advance, like this, follow-up by opening this disk file, just can obtain these information.
The stack information of thread can obtain by the Kern elStack that calls in kernel stack (KTHREAD) function, and KernelStack is the kernel stack pointer of current thread.This stack pointer offset sizeof (KSWITCHFRAME) is the real stack pointer (ESP) of this storehouse.By ESP, just can obtain base pointer (EBP), wherein, the ESP register of CPU is deposited the top-of-stack pointer of current thread, preserves the bottom of stack pointer of current thread in the EBP register.
Each function that the embodiment of the invention that it should be noted that relates to all is present in the function library of existing customer's end, about the detailed description of each function, specifically can referring to the correlation technique document, not repeat them here.The present invention by analyze each function recall feature, the relevant information of record and storage operating system process when being used for being implemented in shutdown, thus provide reference for follow-up positioning analysis.
In the embodiment of the invention, can periodically the operating system progress information be write disk file according to the time cycle that sets in advance, for example, every 2 seconds, record operating system progress information also write disk file, until operating system is shut down fully.
Calling core A PI ZwWriteFile function is written to the operating system progress information of record in the disk file that sets in advance and comprises:
A21, record operating system progress information;
In this step, the information such as the creation-time of record the process, kernel time, user time, process read-write disk number of times.
A22, record the thread information under each process;
In this step, if comprise a plurality of threads under a process, then record respectively each thread information, for example, the place module of the storehouse of thread, thread, thread of creating time, kernel time, user time and wait reason etc.
A23, call core A PI ZwWriteFile function, progress information and the thread information obtained are write the disk file that sets in advance.
In this step, when starting shooting next time, obtain the disk file when shutting down last time, analyze the information of shutdown process process.
In the practical application, at first, can judge which process has expended the more time when shutting down by kernel time and the user time of process, for example, if the kernel time of a certain process and user time are obviously unusual, namely kernel time and user time are longer, can determine tentatively that this process has expended the more time when shutdown, certainly, operating system progress information that also can composite record is analyzed.After the slow process of determining to cause shutting down, can also determine further that the shutdown which thread in this process causes is slow, the i.e. then variation of the thread kernel time by process, user time, storehouse, wait for that reason etc. judges which thread has taken the more time, or deadlock.For example, if certain thread is differing larger every the working time of (time cycle that sets in advance) between the upper and lower, this thread was also frequently being managed business when shutdown was described, if between the upper and lower every the storehouse of same thread change in default threshold value and storehouse is being waited for object, for instance, if the thread information table open-wire line journey of record has been called the KeWaitForSingleObject function, and never return this function, and the also not variation working time of thread, then can tentatively judge it is deadlock.After analysis obtains causing shutting down the information of slow associated process or thread, be optimized for this process or thread, specifically can referring to the correlation technique document, not repeat them here.
As seen by above-mentioned, shutdown slow method in the location of the embodiment of the invention monitors shutdown, and it is driving arrangement registration shutdown readjustment that the triggering driver calls core A PI IoRegisterShutdownNotification function; After receiving the input output request package informatin, record operating system progress information, and call core A PI ZwWriteFile function the operating system progress information of record is written in the disk file that sets in advance; The disk file of record operating system progress information is obtained in start, analyzes and locate to cause the slow progress information that shuts down.Like this, by registration shutdown readjustment, when shutdown, the operating system progress information is recorded in the disk file, after next time start, obtain the disk file of record and analyze, thereby know the reason that causes system closedown slow, and be optimized targetedly, can reduce the follow-up unused time.
Fig. 2 is the slow apparatus structure synoptic diagram of embodiment of the invention location shutdown.Referring to Fig. 2, this device comprises: shutdown callback module, operating system progress information acquisition module, memory module and positioning analysis module, wherein,
The shutdown callback module is used for monitoring shutdown, and it is driving arrangement registration shutdown readjustment that the triggering driver calls core A PI IoReg isterShutdownNotification function;
Operating system progress information acquisition module is used for after receiving the input output request package informatin, record operating system progress information, and call core A PI ZwWriteFile function and export the operating system progress information of record to memory module and store;
In the embodiment of the invention, the operating system progress information comprises the Thread Count of process number, process, the thread information of process, creation-time, working time, user time and the process read-write disk number of times etc. of process.
The positioning analysis module is used for obtaining the disk file that memory module records the operating system progress information after start, analyze and locate to cause the slow progress information that shuts down.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. locate the slow method of shutdown for one kind, it is characterized in that the method comprises:
Monitor shutdown, it is driving arrangement registration shutdown readjustment that the triggering driver calls kernel application programming interface driving arrangement registration shutdown message notification function;
After receiving the input output request package informatin, record operating system progress information, and call kernel application programming interface written document function the operating system progress information of record is written in the disk file that sets in advance;
The disk file of record operating system progress information is obtained in start, analyzes and locate to cause the slow progress information that shuts down.
2. the method for claim 1 is characterized in that, it is that driving arrangement registration shutdown readjustment comprises that described driver calls kernel application programming interface driving arrangement registration shutdown message notification function:
Driver creates device object corresponding to function creation driving arrangement by calling driving arrangement;
Utilize the device object that creates as parameter, call kernel application programming interface driving arrangement registration shutdown message notification function.
3. method as claimed in claim 2 is characterized in that, the function of tonic chord code of described input output request bag is the shutdown message notice.
4. method as claimed in claim 3 is characterized in that, when calling described kernel application programming interface written document function, further comprises:
Call the file attribute structure in the initialization files attribute function initialization files handle, and arrange that property value is the kernel file handle in the file attribute structure.
5. such as each described method in the claim 1 to 4, it is characterized in that described operating system progress information comprises: the thread information of the Thread Count of process number, process, process, the creation-time of process, kernel time, user time and process read-write disk number of times.
6. method as claimed in claim 5 is characterized in that, described thread information comprises: the place module of the storehouse of thread, thread, thread of creating time, kernel time, user time and wait reason.
7. method as claimed in claim 6, it is characterized in that, import creation-time, the process kernel time of type system process and the described process number of thread acquisition of information, process, Thread Count, thread of creating time and the thread kernel time of process into by calling system information inquiry function.
8. method as claimed in claim 6 is characterized in that, obtains the stack information of described thread by the kernel stack pointer that calls the current thread in the kernel stack function.
9. method as claimed in claim 6 is characterized in that, the described kernel application programming interface written document function that calls is written to the operating system progress information of record in the disk file that sets in advance and comprises:
Record operating system progress information;
Record the thread information under each process;
Call kernel application programming interface written document function, progress information and the thread information obtained are write the disk file that sets in advance.
10. locate the slow device of shutdown for one kind, it is characterized in that this device comprises: shutdown callback module, operating system progress information acquisition module, memory module and positioning analysis module, wherein,
The shutdown callback module is used for monitoring shutdown, and it is driving arrangement registration shutdown readjustment that the triggering driver calls kernel application programming interface driving arrangement registration shutdown message notification function;
Operating system progress information acquisition module is used for after receiving the input output request package informatin, record operating system progress information, and call kernel application programming interface written document function and export the operating system progress information of record to memory module and store;
The positioning analysis module is used for obtaining the disk file that memory module records the operating system progress information after start, analyze and locate to cause the slow progress information that shuts down.
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| CN106681811A (en) * | 2016-12-08 | 2017-05-17 | 腾讯科技（深圳）有限公司 | Multi-thread scheduling method and device based on thread pool |
| CN107179992A (en) * | 2017-05-18 | 2017-09-19 | 王东红 | A kind of mobile terminal unused time length detecting method |
| CN108897580A (en) * | 2018-07-12 | 2018-11-27 | 成都傲梅科技有限公司 | A method of shutdown execution task |
| CN110874301A (en) * | 2018-08-30 | 2020-03-10 | 腾讯科技（深圳）有限公司 | Method and device for acquiring program pause information |
| CN112667588A (en) * | 2019-10-16 | 2021-04-16 | 青岛海信移动通信技术股份有限公司 | Intelligent terminal device and method for writing file system data |
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| CN112667588B (en) * | 2019-10-16 | 2022-12-02 | 青岛海信移动通信技术股份有限公司 | Intelligent terminal device and method for writing file system data |
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