Rebooting timing adjustment for improved performance

Patent metadata

Field	Value
Publication number	US-10228953-B2
Application number	US-201615278828-A
Country	US
Kind code	B2
Filing date	Sep 28, 2016
Priority date	Dec 15, 2015
Publication date	Mar 12, 2019
Grant date	Mar 12, 2019

Abstract

A method, computer program product, and system identify a low-cost time to re-boot a system. The method includes a processor obtaining a request for a re-boot of a system. The processor obtains identifiers of uncompleted tasks executing in the system. Based on obtaining the identifiers, the processor obtains a task cost of each task of the uncompleted tasks, where a value of the task cost of each task relates to a portion of each task completed by the processor at a given time. The processor determines, based on the task costs associated with the uncompleted tasks, a re-boot cost for re-booting the system at the given time. The processor determined a system cost for not re-booting the system at the given time. The processor compares the re-boot cost to the system cost to determine whether to re-boot the system at the given time in response to the request.

First claim

What is claimed is:

1. A computer-implemented method, comprising:
obtaining, by one or more processors, a request for a re-boot of a system;
obtaining, by the one or more processors, identifiers of tasks executing in the system at a given time;
based on obtaining the identifiers, obtaining, by the one or more processors, a task cost of each task of the tasks at a the given time;
determining, by the one or more processors, based on the task costs associated with the tasks, a re-boot cost for re-booting the system at the given time;
determining, by the one or more processors, a system cost for not re-booting the system at the given time;
comparing, by the one or more processors, the re-boot cost to the system cost to determine whether to re-boot the system at the given time in response to the request;
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost at the given time;
based on the determining that the re-boot cost is less, applying, by the one or more processors, the patch; and
rebooting, by the one or more processors, the system at the given time.

2. The computer-implemented method of claim 1 , further comprising:
detecting, by the one or more processors, a vulnerability, wherein addressing the vulnerability requires applying a patch and re-booting the system.

3. The computer-implemented method of claim 1 , further comprising:
based on completing the rebooting, restarting, by the one or more processors, the tasks.

4. The computer-implemented method of claim 2 , wherein the system cost comprises a quantified risk associated with failing to apply an update to the system, wherein the update corrects the vulnerability.

5. The computer-implemented method of claim 1 , wherein the value of the task cost comprises a cost to the system associated with killing the task.

6. The computer-implemented method of claim 1 , wherein the given time comprises a window of time.

7. The computer-implemented method of claim 1 , wherein a portion of the tasks executing in the system comprise direct user tasks.

8. The computer-implemented of claim 1 , further comprising:
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost during a portion of the given time; and
rebooting, by the one or more processors, the system during the portion of the given time.

9. The computer-implemented of claim 1 , further comprising:
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost at the given time; and
scheduling, by the one or more processors, the re-boot at the given time; and
alerting, by the one or more processors, a user of the scheduled system re-boot.

10. The computer-implemented of claim 9 , further comprising:
obtaining, by the one or more processors, a request from the user not to re-boot the system at the given time; and
based on the obtaining the request from the user, canceling, by the one or more processors, the scheduled system re-boot.

11. The computer-implemented of claim 9 , further comprising:
obtaining, by the one or more processors, an indication of an action in the system, wherein the action was selected from a group of predefined actions;
analyzing, by the one or more processors, an impact of the action on the re-boot cost and the system cost;
adjusting, by the one or more processors, at least one of: the re-boot cost or the system cost, based on the impact;
based on the adjusting, replacing, by the one or more processors, the given time with a new re-boot time; and
scheduling, by the one or more processors, the re-boot at the new time.

12. A computer program product comprising:
A non-transitory computer readable storage medium readable by one or more processors and storing instructions for execution by the one or more processors for performing a method comprising:
obtaining, by one or more processors, a request for a re-boot of a system;
obtaining, by the one or more processors, identifiers of tasks executing in the system at a given time;
based on obtaining the identifiers, obtaining, by the one or more processors, a task cost of each task of the tasks at a the given time;
determining, by the one or more processors, based on the task costs associated with the tasks, a re-boot cost for re-booting the system at the given time;
determining, by the one or more processors, a system cost for not re-booting the system at the given time;
comparing, by the one or more processors, the re-boot cost to the system cost to determine whether to re-boot the system at the given time in response to the request;
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost at the given time;
based on the determining that the re-boot cost is less, applying, by the one or more processors, the patch; and
rebooting, by the one or more processors, the system at the given time.

13. The computer program product of claim 12 , the method further comprising:
detecting, by the one or more processors, a vulnerability, wherein addressing the vulnerability requires applying a patch and re-booting the system.

14. The computer program product of claim 12 , the method further comprising:
based on completing the rebooting, restarting, by the one or more processors, the tasks.

15. The computer program product of claim 13 , wherein the system cost comprises a quantified risk associated with failing to apply an update to the system, wherein the update corrects the vulnerability.

16. The computer program product of claim 12 , wherein the value of the task cost comprises a cost to the system associated with killing the task.

17. The computer program product of claim 12 , the method further comprising:
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost during a portion of the given time; and
rebooting, by the one or more processors, the system during the portion of the given time.

18. A system comprising:
one or more memories;
one or more processors in communication with the one or more memories; and
program instructions executed by the one or more processors via the one or more memories to perform a method, the method comprising:
obtaining, by the one or more processors, identifiers of tasks executing in the system at a given time;
based on obtaining the identifiers, obtaining, by the one or more processors, a task cost of each task of the tasks at a the given time;
determining, by the one or more processors, based on the task costs associated with the tasks, a re-boot cost for re-booting the system at the given time;
determining, by the one or more processors, a system cost for not re-booting the system at the given time;
comparing, by the one or more processors, the re-boot cost to the system cost to determine whether to re-boot the system at the given time in response to the request;
determining, by the one or more processors, that the re-boot cost is less than or equal to the system cost at the given time;
based on the determining that the re-boot cost is less, applying, by the one or more processors, the patch; and
rebooting, by the one or more processors, the system at the given time.

Assignees

• IBM

Inventors

• Bombacino Vinicio
• Falcone Claudio
• Lazzaro Luca
• Tortosa Andrea

Classifications

• G06F8/65 Primary

  Updates (security arrangements therefor G06F21/57) · CPC title

• G06F17/30345

  Physics · mapped topic

• G06F15/177

  Initialisation or configuration control {(processor initialisation G06F9/4405)} · CPC title

• G06F3/1225

  Software update, e.g. print driver, modules, plug-ins, fonts · CPC title

• G06F9/4401

  Bootstrapping (security arrangements therefor G06F21/57) · CPC title