WO1999017206A1 - Procede et dispositif de compte-rendu de taches executees par un systeme informatique - Google Patents
Procede et dispositif de compte-rendu de taches executees par un systeme informatique Download PDFInfo
- Publication number
- WO1999017206A1 WO1999017206A1 PCT/FR1998/002064 FR9802064W WO9917206A1 WO 1999017206 A1 WO1999017206 A1 WO 1999017206A1 FR 9802064 W FR9802064 W FR 9802064W WO 9917206 A1 WO9917206 A1 WO 9917206A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- task
- command
- user command
- arguments
- toto
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
- G06F11/3419—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment by assessing time
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3466—Performance evaluation by tracing or monitoring
- G06F11/3476—Data logging
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/865—Monitoring of software
Definitions
- the present invention relates to a method and a device for reporting tasks executed by a computer system. It applies to the field of computer operation in an industrial environment and in particular to open type production computer systems, operating under software constituting open operating systems, for example those of the type known by their registered trade names " UNIX "or” WINDOWS NT ".
- the invention also relates to the resulting computer system.
- Open computer systems are particularly popular these days, but they have the disadvantage of having been originally developed for university applications, whose concerns were not identical to those of industrial concerns.
- the following description will serve as an example on the UNIX system.
- a task is a set of commands or processes launched in series or in parallel. When multiple tasks can be launched concurrently by different users, this can cause problems, including knowing where a task is at.
- This system also recognizes the atomic entity "process”, which is a unit of execution comprising an allocation of memory with program code, a stack, and a set of processor registers, but once the process is finished, the systems do not cannot match multiple processes.
- the processes provide a sequential global functionality, such as for example the commands of a directly interpretable text file known as name "shell script", which consist of a list of system commands.
- the object of the invention is to provide a user executing a complex job involving the execution of several unitary processes, a global execution report offering a description of the resources taken by the execution of the steps of this job and, preferably , a report of the anomalies encountered during the execution of this work.
- the subject of the invention is a method of reporting tasks made of at least one process and executed by a computer system operating under an open operating system including a file reporting tasks, characterized in that it consists :
- the invention also has as a corollary object a task reporting device and a computer system implementing this method.
- FIG. 2 is a view of a window displayed on the screen by the user interface of the system of Figure 1; and FIGS. 3 to 5 are views of windows displayed after selection of three respective commands from a menu of the window in FIG. 2.
- process will designate any execution of a program at a given instant and will therefore designate, in particular, the environment of the process in the system, the program constituting in itself an inert object, stored in system memory as an ordinary executable file.
- UNIX UNIX
- SWAPPER a certain number of processes known as “daemons” like, for example, the process ensuring the good use of the printer in spool, and the process "CRON" which makes it possible to launch tasks on a given date .
- task will designate from the point of view of the user a sequence of operations executed without operator intervention. From a system perspective, it's a set of related processes. During its life, a task can have one of the following three states:
- the structure of the “UNIX” computer system 10 represented in the form of blocks in FIG. 1 consists of hardware resources 1 illustrated globally in a block, including in a well-known manner at least one processor and memory means (not shown), and of software resources 3 which are typically contained in the memory means (such as a hard disk for example) of the hardware resources 1 and are represented outside of these, the illustrated software resources 3 comprising only the software components implied by the process of the invention for the clarity of the description.
- the software resources 3 include a UNIX operating system 8 communicating with the hardware resources 1 and including a kernel 2 ensuring low-level memory and input-output management and the sequence of the various tasks.
- the user interface 40 includes a graphical user interface (SJR GUI) 42.
- the SJR 44 module communicates with a catalog 5 of job reports, also called JOR catalog (Job Output Report).
- the SJR 44 module uses a standard mechanism 7 for job reporting provided that this mechanism is activated to produce job reporting files stored in a standard file for reporting 6, called “Accounting” in UNIX, and communicates with the standard file 6 to process the files.
- the SJR 44 module has useful functions in its lower part to allow the user to manage tasks. These functions can for example be used in code written in C and include:
- the "jobinfo" software structure thus contains the state of the task accessible to the user.
- the method of the invention consists first of all in executing the SJR root command, this command having as arguments a user command, having the name TOTO for example, and its list of arguments, the user command being executed to carry out the task of which we want to have the report.
- the task is therefore the execution of the user command and we saw previously that it is made of one or more related processes which execute in series or in parallel.
- the task is therefore assimilated to the first process and to all the possible processes which are related to it.
- the SJR command available via the graphical interface 42, produces detailed report files of the execution of the tasks.
- the SJR command was made of code in C language and performs the following steps: a) association of a pseudo-terminal, having for example the name TITI, to the process in progress, by a first standard "open" system call and a second standard system call "ioctl". These two system calls thus define for the SJR command and the TOTO process the pseudo-terminal TITI which will be associated with them as the process control terminal (Process Controlling Terminal) constituting a discriminating attribute.
- the task reporting device 4 also includes the following commands accessible to the user:
- SJRIog a "SJRIog” command, which allows messages to be inserted into the report and preferably included in the SJR 44 module; - an "SJRinfo” command, which provides the user with information about a task or all of the tasks. This command preferably has an option making it possible to obtain all the current processes of the task, and another option making it possible to display the information all the time intervals defined by the option.
- the illustrated "SJRinfo" command was preferably included in the user interface 40; and - a command "SJRwait", which allows to wait for the end of execution of all the works having been launched in the background in the same session. It was preferably included in module 44 as illustrated.
- the SJR 44 module can easily find the elements in the "Accounting" file by the attribute discriminating of the associated terminal.
- the standard system call "fork” allows you to create a child process whose parent process can be found by the standard system call “getppid” passed to the command "SJRjobenter” and whose task name is example "JOB_NAME”.
- the task reporting device 4 also preferably includes a "Cleanacct" command accessible to the user, preferably placed in the illustrated user interface 40 and which allows the user to define his reduction targets.
- This command includes the following options which can be defined by the following flags:
- the graphical interface 42 conventionally allows the user, by action on a mouse, to trigger preprogrammed operations, such as for example, pressing and releasing a control button and dragging the pointer of the mouse, logical events such as the entry of the mouse pointer in a window, and processing in the graphical interface 42.
- FIG. 2 illustrates an example of window 421 which can be obtained from the graphical interface 42.
- the window 421 presents a menu bar called "Session”, "Task” and "Help” and allows you to select a command associated with each of these menus.
- the menu "Task" as shown in FIG.
- a first command 4211 for displaying all the tasks contains: a second command 4212 for displaying a history; a third command 4213 for displaying a task; a fourth command 4214 to suspend a task; a fifth command 4215 to release a task; a sixth command 4216 to cancel a task; a seventh command 4217 to abort a task; and an eighth command 4218 to force the execution of a task.
- FIG. 3 illustrates a window 42121 which can appear when the command 4212 "History" of the "Task” menu of window 421 of FIG. 2 has been selected and activated.
- Window 42121 presents a histogram where, in a first column A, the time is displayed, in a second column B, the date, in a third column C, the tasks performed, in a fourth column D, the dimension at which belongs the task, in a fifth column E, the name of the command associated with the task, and in a sixth column F, the state of the task to know if it has been started, completed, or aborted.
- a dimension is a set of running processes, which have the same importance from the point of view of the local resource manager.
- the selection and validation of the command 4213 "Display a task" of the window 421 in FIG. 2 triggers the opening of a window 42131 such as for example that shown in FIG. 4.
- the window of FIG. 4 includes a plurality of blocks each allowing the display of alphanumeric information.
- in block A the visible identifier of the task
- in block B the name of the command
- in block C the identifier of the user who submitted the task
- in block D the current state of the task
- in block E when the SJR command was entered
- in block F the time when the task was started
- in block G the overall current CPU consumption
- in block H the percentage of CPU consumed by the task
- in block I the required virtual memory
- in block J the required temporary file space
- in block K the current actual memory space
- in block L the current virtual memory space
- in block M the space of the current temporary files
- in block N the number of processes in progress
- in block O the largest real memory space used by the task
- in block P the largest virtual memory space used by the task
- in block Q the largest temporary file space used by the task
- in block R the maximum number of processes N used by the system for this task at a given time.
- the selection and validation of the command 4211 "Display all the tasks" of the window 421 of FIG. 2 triggers the display of a window 42111 as represented in FIG. 5, which provides the current state of the tasks and presents , in a block, a first column a for identifying the task, a second column b giving the name of the task, a third column c in which the users appear, a fourth column d giving the status of the task to know if it is started or entered and a fifth column e giving the time of entry of the task, a sixth column f for the start time, a seventh column g giving the CPU occupancy rates, an eighth column h giving the sizes of virtual memory and the temporary files required, a ninth column i subdivided into four to obtain the sizes of real memory and of virtual memory used as well as the sizes of the temporary files and the number of processes, and a tenth column j subdivided into four to know the maximum sizes of real memory, virtual memory, temporary file and processes used by the task.
- the device and the method described can very well be used and adapted to any other type of so-called open system such as, for example, "WINDOWS NT", registered trademark.
- open system such as, for example, "WINDOWS NT", registered trademark.
- the "CreateProcess" command can replace the "fork” and "exec” system calls on UNIX.
- a person skilled in the art can carry out the user command other than by means of a "shell script" file.
- the execution of the SJR root command includes a paragraph (d) which can be formulated in general by saying that, before the end of the user command, the method consists in detecting messages resulting from the execution of the task. The detected messages are used in order to create a communication channel between the SJR root command and the task, and to divert these messages to the communication channel. It appears from the description that these characteristics are used to exploit the messages resulting from the execution of the task in order to have the maximum amount of data on the task. It is therefore obvious that the characteristics of this paragraph are advantageous but not necessary for the process of the invention.
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98945380A EP0941513A1 (fr) | 1997-09-30 | 1998-09-25 | Procede et dispositif de compte-rendu de taches executees par un systeme informatique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9712147A FR2769106B1 (fr) | 1997-09-30 | 1997-09-30 | Dispositif de compte-rendu de taches executees par un systeme informatique |
FR97/12147 | 1997-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999017206A1 true WO1999017206A1 (fr) | 1999-04-08 |
Family
ID=9511631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/002064 WO1999017206A1 (fr) | 1997-09-30 | 1998-09-25 | Procede et dispositif de compte-rendu de taches executees par un systeme informatique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0941513A1 (fr) |
FR (1) | FR2769106B1 (fr) |
WO (1) | WO1999017206A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996036918A1 (fr) * | 1995-05-19 | 1996-11-21 | At & T Ipm Corp. | Procede permettant de controler un multiprocesseur numerique |
-
1997
- 1997-09-30 FR FR9712147A patent/FR2769106B1/fr not_active Expired - Fee Related
-
1998
- 1998-09-25 WO PCT/FR1998/002064 patent/WO1999017206A1/fr not_active Application Discontinuation
- 1998-09-25 EP EP98945380A patent/EP0941513A1/fr not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996036918A1 (fr) * | 1995-05-19 | 1996-11-21 | At & T Ipm Corp. | Procede permettant de controler un multiprocesseur numerique |
Non-Patent Citations (4)
Title |
---|
"AIX Version 3.2 - System Management Guide: Operating System and Devices", October 1993, INTERNATIONAL BUSINESS MACHINES CORP., US, XP002067192 * |
"DEC OSF/1 Reference Pages, Section 2 - System Calls", August 1994, DIGITAL EQUIPMENT CORP., MAYNARD, MASSACHUSETTS, US, XP002067194 * |
"DEC OSF/1 Reference Pages, Section 8 - System Administration Commands, Volume 1", August 1994, DIGITAL EQUIPMENT CORP., MAYNARD, MASSACHUSETTS, US, XP002067193 * |
W.R. STEVENS: "Advanced Programming in the UNIX Environment", July 1997, ADDISON-WESLEY, READING, MASACHUSETTS, US, XP002067191 * |
Also Published As
Publication number | Publication date |
---|---|
EP0941513A1 (fr) | 1999-09-15 |
FR2769106A1 (fr) | 1999-04-02 |
FR2769106B1 (fr) | 1999-10-29 |
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