39 results about "Crash analysis" patented technology

A method, apparatus, and computer instructions for analyzing data from a crash of the data processing system. A portion of the memory in the data processing system is preserved in response to the crash of the data processing system. The data processing system is rebooted with an environment suited for analyzing trace data in the portion of the memory.

The invention discloses a crash information processing method. The method includes: enabling a crash application program to collect crash information when crash occurs at a client end; analyzing the crash information and extracting a unique crash tab capable of identifying the crash information; matching the crash tab with matching tabs stored in a server; if matching fails, reporting the crash information corresponding to the crash tab to the server; if matching succeeds, stopping reporting the crash information corresponding to the crash tab. By adoption of the crash information processing method, client end crash analysis efficiency can be improved, and waste of crash analysis resources can be avoided.

The embodiment of the invention provides a crash analysis method and device and aims to solve the problem that causes for crash cannot be positioned in the prior art. The device comprises a monitoring point setting module, a monitoring and generating module, an acquisition and view module and an analysis positioning module, wherein the monitoring point setting module is suitable for respectively setting monitoring points in to-be-tested targets of a terminal in advance; the monitoring and generating module is suitable for monitoring the operation of each to-be-tested target and acquiring parameters of the monitoring points and parameter values which respectively correspond to the parameters when the to-be-tested targets crash to generate mirror image documents, wherein the parameter of the monitoring points comprise parameters of the monitoring points in the to-be-tested targets and parameters of monitoring points in the terminal; the acquisition and view module is suitable for acquiring the mirror image documents and viewing parameters of monitoring points in the mirror image documents and parameter values which respectively correspond to the parameters; and the analysis positioning module is suitable for analyzing the parameters of the monitoring points and the parameter values which respectively correspond to the parameters so as to position the causes for the crash of the to-be-tested targets; the monitoring point setting module is specifically suitable for analyzing the causes for the crash of the to-be-tested targets in advance to determine the key position at which the to-be-tested target crashes; and the monitoring points are respectively set at the key points.

A computer-implemented method for monitoring a crash analysis system is disclosed. Log messages are accessed pertaining to the operation of a crash analysis system for analyzing a core dump. The log messages are analyzed, at a processor, in order to generate operation results data. A graphic user interface for display on a computer is generated. The graphic user interface includes a graphical representation of the operation results data.

A method, apparatus, and computer instructions for analyzing data from a crash of the data processing system. A portion of the memory in the data processing system is preserved in response to the crash of the data processing system. The data processing system is rebooted with an environment suited for analyzing trace data in the portion of the memory.

A deep learning based computer vision system to detect and analyses automobile crash videos comprises a crash detection module and a crash analysis module. The crash detection module uses dashcam video and or telemetry to detect the same. The usage of computer vision algorithm alongside the IMU sensor data make the system robust. The system uses a deep learning model which looks for an anomalous pattern in the video and / or the IMU signal to detect a crash. The system comprises different machine learning and deep learning based computer vision algorithm to analyze the crash detected videos. The system automates the labor-intensive task of reviewing crash videos and generates a crash report comprising accident type, road surface, weather condition and accident scenario among other things. The accident detection and analysis modules can reside on the vehicle as well as on the cloud based on the compute capabilities of the edge device.

A method, apparatus, and computer instructions for analyzing data from a crash of the data processing system. A portion of the memory in the data processing system is preserved in response to the crash of the data processing system. The data processing system is rebooted with an environment suited for analyzing trace data in the portion of the memory.

An automobile insurance claim settlement anti-fraud system belonging to the technical field of automobile insurance system, includes an information backup module, processing module, a claim module, auser or vehicle accesses a user or a vehicle history case through a user or a vehicle information unit when the user or the vehicle handles the vehicle insurance, compares with the blacklist in the system, only when there is no conflict with the blacklist, the business is conducted, the business is received through a receiving unit in the event of an accident to the user or vehicle, and then the prospecting unit discharges the reconnaissance personnel to collect evidence on the spot, and then forensic data or reports are uploaded, as the safety of the vehicle is checked such as whether the airbag is open, and whether the brake is working properly, after the reasonableness of human or vehicle damage is analyzed by the crash analysis unit, the authenticity of the accident is identified and checked by vehicle maintenance and personnel treatment costs, and the early warning unit is used to open a green channel for normal claim settlement, and further complex analysis of high-risk cases iscarried out, and the fraud cases are analyzed for judicial intervention and blackening.

In a crash analysis system, a method for analyzing a core dump corresponding to a crash of a computer system is disclosed. A core dump is received wherein the core dump corresponds to a crash of a computer system. A culprit module responsible for the crash of the computer system is determined. A signature back trace, which pertains to a symptom of the crash of the computer system is generated.

The invention discloses a method, a system and a device for collecting log, and a computer readable storage medium. The method includes collecting the target log of operating systems when faults of the operating systems are monitored; transmitting the target log to a BMC (baseboard management controller) via KCS (keyboard controller style) links to store the target log in the BMC. The method, thesystem, the device and the computer readable storage medium in an embodiment of the invention have the advantages that the target log can be transmitted to the BMC via the KCS links when faults of theoperating systems occur, and can be stored in the BMC, accordingly, the corresponding target log can be viewed or downloaded in the BMC when the operating systems crash, the current crash can be analyzed by the aid of the corresponding target log without reappearance of the faults, the crash analysis efficiency can be effectively improved, the crash durations can be shortened, and servers can bequickly put into normal use.

Embodiments of the present invention provide a method and apparatus for classifying and counting iOS crash data. The method comprises the following steps: automatically classifying the crash data, extracting calling statements belonging to an application in the whole calling stack by adopting a manner of reversely searching the calling stack, and outputting a preliminarily classified report; iteratively classifying the unclassified crash data through a compiled configuration file continuously, and outputting a recursively classified report after each iteration; and integrating the preliminaryclassified report and the recursively classified reports, and outputting a final report of the collapse analysis this time in combination with the final report of the collapse analysis at the previoustime.

A computer-implemented method for providing crash results for a computer system on a graphical user interface is disclosed. A component access control feature is displayed on a graphic user interface. The component access control feature enables a user to select a component and view crash results pertaining to the component. A graphical representation for display on the graphic user interface is generated. The graphical representation includes at least a portion of a signature back trace corresponding to a crash associated with the component.

A method is disclosed for estimating or predicting residual strains resulting from metal formation. The method includes determining parameters indicative of physical and spatial characteristics of elements representing a formed metal part. A maximum plastic strain resulting from the metal forming processes is then estimated, as a function of the physical and spatial characteristics of a first one of the elements and a subset of the elements.

A computer-implemented method assessing the risk of a future crash occurring on a computer system is disclosed. Crash results are received from a crash analysis system. The crash results are analyzed, at a processor, to determine the likelihood of the future crash occurring on the computer system. Information regarding the likelihood of the future crash occurring on the computer system is provided to a user of the computer system.

The invention provides a crash analysis method and device, an electronic device and a storage medium, which are applied to a target application. The method comprises the following steps of recording the information of each window in the target application into a preset log file in real time; and when the target application generates the crash event, analyzing the crash of the application based onthe preset log file and the crash log. Through the method and the device, the window abnormity causing the crash can be analyzed in time, and the crash analysis effect is effectively improved.

The invention discloses a browser crash data uploading and processing method and a browser crash data uploading and processing device. The method comprises that a browser generates crash, the basic information of the crash of the browser is uploaded to a server end through a GET interface, crash serial number information which is returned by the server end and generated according to the crash basic information is received, and under the condition that the crash serial number information indicates that the crash data is allowed to be uploaded, the crash data of the browser is uploaded to the server end from the browser through a POST interface. According to the browser crash data uploading and processing method and the browser crash data uploading and processing device, the crash data of the browser can be rapidly and safely transmitted to the server end to be stored, and preparation is made for follow-up crash analysis and processing.

The invention discloses an application crash processing method and device, computer equipment and a storage medium. The crash analysis efficiency is improved. The method comprises the steps of counting trigger event information sent by a client side, wherein the trigger event information comprises a client side identifier, an event type and an event timestamp, and the client side identifier, theevent type and the event timestamp correspond to one another; obtaining available information sent by the target client; wherein the available information comprises a target client identifier and a crash time stamp when the application crashes; determining a corresponding event timestamp from the counted event timestamps, and determining an event type corresponding to the target client identifier;determining a target timestamp before the crash timestamp from the corresponding event timestamps; determining a target event type corresponding to the target timestamp from the event types corresponding to the target client identifier; and generating an event flow chart corresponding to the target client identifier according to the target event type.

The invention discloses a method and device for analyzing application crash, and relates to the technical field of computers. One specific embodiment of the method comprises the steps of obtaining crash data of an application, wherein the crash data comprises an identifier causing crash; determining an error reporting code in a source code of the application according to the crash data; querying asubmission record of the error reporting code; and sending a repair task according to the submission record. According to the implementation mode, the crash data of the application can be used for tracing the submission record, sending the corresponding repair task and creating the crash data management strategy, the manual analysis process is automated, and the application crash analysis efficiency is improved.

A system and method for characterizing piezoelectric sensor responses for automotive vehicle crash analysis, is disclosed. The method employs Daubechies wavelet analysis (1006) to plot signal response amplitudes (1008) in three-dimensional space of at least one piezoelectric sensor. A cluster, signifying a combination of Daubechies amplitudes of the at least one piezoelectric sensor in three-dimensional space, is compared to reference clusters (1010) stored in the automotive vehicle. Based on results from comparing the cluster to the reference clusters, instructions are transmitted to an occupant restraint control system (1013) in the vehicle to deploy a specific airbag at a specific power level.

The invention discloses a Linux system crash control method, which comprises the following steps of: creating a kernel crash analysis thread, and analyzing reasons for crash of a system, namely system crash caused by a user or system crash caused by hardware or system crash caused by software; creating a kernel crash avoidance thread, performing a system crash test experiment caused by software, and triggering system crash caused by the software; reading a log code generated when the system crashes, and writing the log code into the suspended task function for protection and shielding; and packaging the suspended task function into a Linux kernel, restarting the operating system, and entering the Linux kernel again. By means of the mode, the system log can be obtained through the Linux command, the hardware problem and the software problem can be distinguished by analyzing the system log to trigger the crash phenomenon, blockage of the service volume is protected and shielded, the service volume is prevented from being monitored, and when the service access data volume is large, software faults can be avoided.

In a crash analysis system, a method for analyzing a core dump corresponding to a crash of a computer system is disclosed. A core dump is received wherein the core dump corresponds to a crash of a computer system. A culprit module responsible for the crash of the computer system is determined. A signature back trace, which pertains to a symptom of the crash of the computer system is generated.

The invention relates to a graphic operation analysis method and device, electronic equipment and a storage medium. The graphic operation analysis method comprises: intercepting a plurality of graphicoperation instructions corresponding to triggered graphic drawing requests in an application program; recording a trigger sequence of the plurality of intercepted graphic operation instructions; inputting the plurality of graphic operation instructions and the trigger sequence into a neural network model which is trained in advance and used for carrying out crash analysis on the graphic operationinstructions to obtain crash data and repair data of graphic operation; and outputting the crash data and the repair data. According to the code executed by the application program, the bug which maycause the collapse of the application program is searched in real time, and the neural network model can perform targeted bug identification on a plurality of executed graphic operation instructions,so that the bug positioning efficiency and accuracy are improved.

The invention discloses a program crash analysis and aggregation method. The method comprises the following steps: receiving program crash information of user equipment; filtering the program crash information of the user equipment, and distributing the filtered program crash information; analyzing the filtered program crash information to obtain a label; and storing the filtered program crash information and the tag in a database for query, reading and / or aggregation analysis. According to the method and the device, a closed-loop whole process is realized through the steps, so that the security of the data, particularly the security of the sensitive data of the program, is ensured, and the hidden danger of'system unavailability 'of an external platform is eliminated; and problems can be efficiently and accurately positioned, and an analysis report can be generated.

The invention discloses a crash analysis method and system for a binary program, and the method comprises the steps: S1, information collection and processing: carrying out the code instrumentation of a plurality of key positions and basic blocks through an instrumentation module, then running the program, and recording the information; the taint module takes program input as taints, tracks propagation of the taints in a program execution process, performs symbolization operation on each executed instruction, and finally performs reverse slicing and information recording from a crash point according to symbolization content; and S2, performing analysis on the basis of the data processed in the step S1 to obtain an execution trajectory diagram, a stain propagation trajectory diagram, crash causes and the like of a program; according to the method, the program can be analyzed, the crash information during program running can be collected, crash backtracking, crash point positioning, crash cause determination and the like can be carried out under the condition of passive codes, the cost of manual analysis is greatly reduced, and vulnerability analysts can be assisted to quickly determine a program crash mechanism and the like.

The invention discloses a program crash analysis method and system based on the BE. The method includes the following steps that a running service program is monitored; if it is monitored that the business program crashes, a memory ma is stored in the form of a dump file when the business program crashes; according to a preset symbol file and a resource file, the dump file is analyzed through a BE binary editor, wherein the symbol file includes names and memory addresses of global variables of the business program, and the resource file includes structure information of the business program. Therefore, the data structure of the business program can be restored when the business program crashes, the dump file can be analyzed through the BE, and the obtained analysis result exists in the form of a catalogue so that users can conveniently check the cause of the business program crash.

A computer-implemented method assessing the risk of a future crash occurring on a computer system is disclosed. Crash results are received from a crash analysis system. The crash results are analyzed, at a processor, to determine the likelihood of the future crash occurring on the computer system. Information regarding the likelihood of the future crash occurring on the computer system is provided to a user of the computer system.

The invention discloses a method for determining crash attribution, which relates to the technical field of computers and comprises the following steps of: obtaining crash information; analyzing the crash information to obtain a calling address; obtaining an SDK compiling file, and based on the SDK compiling file, performing calculation to obtain an SDK running address interval; and judging whether the calling address is in an SDK running address interval or not, if so, storing crash information, and uploading the crash information to a remote server. According to the method, whether the calling address corresponding to the crash information is located in the SDK running address interval or not is analyzed and judged, so that the SDK where the crash is located can be quickly and accuratelydetermined, the troubleshooting time and workload of SDK crash are reduced, the SDK crash analysis efficiency is improved, and the development cost is reduced; and the SDK crash is reported in time,so that the crash processing speed of an SDK developer is increased, the SDK is optimized and improved in time, and the stability of the SDK is improved. The invention further discloses a device for determining crash attribution, electronic equipment and a computer storage medium.

The invention relates to a method and a system for warning a browser crash. The method comprises the following steps: a first crash server receives basic crash information which is sent by at least one browser client from a browser side through a GET interface when a crash occurs, processes the basic crash information and then returns a parameter to the browser client, wherein the parameter indicates whether a crash data packet of the crash is required for being uploaded; a second crash server receives the crash data packet uploaded through a POST interface of the browser side when the situation that the crash data packet is uploaded is indicated; a crash analysis result is generated according to the collected basic crash information and the automatic crash analysis on the crash data packet; and a third crash server receives the crash analysis result and returns crash warning information to the browser side. Thus, browser users can be informed of factors which may cause browser crashes or prompted to do necessary updating operations in advance so as to reduce the times of browser crashes and reduce the influence on the users caused by the crashes.

The present invention discloses a crash analysis method and system for binary programs, including steps: S1, information collection and processing, in this step, the instrumentation module performs code instrumentation on multiple key positions and basic blocks, and then runs the program , record information; the taint module takes the program input as taint, tracks the spread of taint during program execution, and at the same time, performs symbolic operation on each executed instruction, and finally performs reverse slice from the crash point according to the symbolic content , record information; S2, analyze based on the data processed in step S1, and obtain the program execution trajectory diagram, stain propagation trajectory diagram and crash causes, etc.; the present invention can analyze the program without source code, and collect the program running Crash information, crash backtracking, locating the crash point, determining the cause of the crash, etc., greatly reduces the cost of manual analysis, and can assist vulnerability analysts to quickly determine the mechanism of the program crash.