IDENTIFYING POWER STATE CHANGES

• US 20150261278A1
• Filed: 03/12/2014
• Published: 09/17/2015
• Est. Priority Date: 03/12/2014
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Yung, Weng-Chin Winson
• Granted Patent: US 9,684,355 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 1/3209 Monitoring remote activity, e.g. over telephone lines or network connections
• CPC Class Codes: G06F 1/329 by task scheduling
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

Techniques for detecting mobile computing power states are described herein. An active state may be detected in a mobile computing device. A timestamp may be requested at predetermined intervals while in the active state. A first timestamp and a second timestamp may be received in response to the timestamp requests. If a difference between a first time stamp and a second time stamp exceeds the predetermined interface, the mobile computing device is identified to have entered a sleep state during a time period indicated by the determined timestamp difference.

Claims

1. A method, comprising:

requesting timestamps at predetermined intervals while in an active state;

receiving a first timestamp and a second time stamp in response to timestamp requests;

determining if a difference between a first time stamp and a second time stamp received exceeds the predetermined interval; and

, if so,

identifying mobile computing device entry into a sleep state during a time period indicated by the determined timestamp difference.

2. The method of claim 1, comprising:

capturing event information for the first timestamp;

or

capturing event information for the second timestamp;

or

any combination thereof.

3. The method of claim 2, wherein the event information of the first time stamp indicates a trigger for entry into the sleep state.

4. The method of claim 3, wherein operations of the mobile computing device are suspended during the sleep state.

5. The method of claim 2, wherein the event information of the second time stamp indicates a trigger for entry into the active state.

6. The method of claim 1, comprising rendering an illustration of the power state change comprising the identification of the entry into the sleep state in a graphical user interface of a display of the mobile computing device.

7. The method of claim 1, wherein the method is implemented in a user space of the mobile computing device as opposed to a kernel space of the mobile computing device.

8. The method of claim 1, wherein if entry into a sleep state is identified, further comprising one or more of:

identifying applications running at the first timestamp;

distinguishing applications running at the first timestamp as running in the foreground or background;

or

identifying applications running at the second timestamp;

distinguishing applications running at the second timestamp as running in the foreground or background.

9. A system for monitoring power states, comprising:

a processing device;

a system memory, wherein the system memory comprises instructions executable by the processing device to initiate operations, the operations comprising;

request timestamps at predetermined intervals while in an active state;

receive a first timestamp and a second time stamp in response to timestamp requests; and

determine if a difference between a first time stamp and a second time stamp received exceeds the predetermined interval; and

, if so,

identify mobile computing device entry into a sleep state during a time period indicated by the determined timestamp difference.

10. The system of claim 9, the operations comprising:

capture event information for the first timestamp;

or

capture event information for the second timestamp;

or

any combination thereof.

11. The system of claim 10, wherein the event information of the first time stamp indicates a trigger for entry into the sleep state.

12. The system of claim 11, wherein operations of the mobile computing device are suspended during the sleep state.

13. The system of claim 10, wherein the event information of the second time stamp indicates a trigger for entry into the active state.

14. The system of claim 9, the operations comprising rendering an illustration of the power state change comprising the identification of the entry into the sleep state in a graphical user interface of a display of the mobile computing device.

15. The system of claim 9, wherein the operations are implemented in a user space of the mobile computing device as opposed to a kernel space of the mobile computing device.

16. The system of claim 9, wherein if entry into a sleep state is identified, the operations further comprising one or more of:

identifying applications running at the first timestamp;

distinguishing applications running at the first timestamp as running in the foreground or background;

or

identifying applications running at the second timestamp;

distinguishing applications running at the second timestamp as running in the foreground or background.

17. A non-transitory computer readable medium including code, when executed, to cause a processing device to:

request timestamps at predetermined intervals while in an active state;

receive a first timestamp and a second time stamp in response to timestamp requests; and

determine if a difference between a first time stamp and a second time stamp received exceeds the predetermined interval; and

, if so,

identify mobile computing device entry into a sleep state during a time period indicated by the determined timestamp difference.

18. The computer readable medium of claim 17, comprising code to cause the processing device to:

capture event information for the first timestamp;

or

capture event information for the second timestamp;

or

any combination thereof.

19. The computer readable medium of claim 18, wherein the event information of the first time stamp indicates a trigger for entry into the sleep state, such that operations of the mobile computing device are suspended during the sleep state.

20. The computer readable medium of claim 18, wherein the event information of the second time stamp indicates a trigger for entry into the active state.

21. The computer readable medium of claim 17, comprising code to cause the processing device to render an illustration of the power state change comprising the identification of the entry into the sleep state in a graphical user interface of a display of the mobile computing device.

22. The computer readable medium of claim 17, wherein the code is implemented in a user space of the mobile computing device as opposed to a kernel space of the mobile computing device.

23. The computer readable medium of claim 17, wherein if entry into a sleep state is identified, further comprising code to cause the processing device to perform one or more of:

identifying applications running at the first timestamp;

distinguishing applications running at the first timestamp as running in the foreground or background;

or

identifying applications running at the second timestamp;

distinguishing applications running at the second timestamp as running in the foreground or background.