International Business Machines Corporation

Steven L Pratt

Mark Alan Peloquin

Karl Milton Rister

Kevin Michael Corry

Andrew Matthew Theurer

Santhosh Rao

Steven Michael French

Steven Lawrence Dobbelstein

Jenifer Hopper

Vaijayanthimala K Anand

Scott Thomas Jones

Mark Joseph Hamzy

Benedict Michael Rafanello

Phani Gopal V Achanta

Janet Roberts Callaway

Barry Bradley Arndt

Mingming Cao

Scott R Conor

Matthew R Lupfer

Ben Chociej

Dennis Wayne Riddlemoser

A method for a wireless charging receptacle is provided in the illustrative embodiments. An enclosure having a shape and a plurality of sides is formed to at least partially enclose a device while charging a rechargeable power source in the device. An opening is formed in the enclosure. the opening is located on a first side from the plurality of sides. The first side has a surface area less than a second surface area of a second side in the plurality of sides, the second surface area being largest of all surface areas of all sides in the plurality of sides. A wireless charging mechanism is configured relative to at least one of (i) the second side and (ii) a third side of the enclosure, wherein the wireless charging mechanism wirelessly supplies energy to a second wireless charging mechanism coupled with the device.

Wireless charging receptacle

Embodiments relate to diagnostic evaluation of hardware components of a computer machine. A conventional storage device is replaced with a modified storage device. Read and write operations are received by the modified storage device. Issuance of a response to the read and write operations is limited to an acknowledgement receipt, which is employed to evaluate performance and/or bandwidth of the machines with respect to hardware for data storage.

Quasi disk drive for testing disk interface performance

Embodiments of the invention relate to mitigating page eviction from cache memory. Pages of data in the cache are compressed, and are periodically swapped to a physical storage device to create space in the cache for additional pages. To avoid the impact of eviction latencies, an asynchronous thread scanning process scans the cache for any pages that are not committed to the storage device, decompresses a selected one of the pages, and asynchronously writes the decompressed page copy to the physical storage device. The compressed copy of the selected page remains in the cache during the asynchronous write with an indicator for the page set to convey that a replica of the page has been written to physical storage, allowing for efficient eviction from the in-memory pool at a later time.

Asynchronous swap mechanism and page eviction from memory

Embodiments of the invention relate to diagnostic evaluation of hardware components of a computer machine. A conventional storage device is replaced with a modified storage device. Read and write operations are received by the modified storage device. Issuance of a response to the read and write operations is limited to an acknowledgement receipt, which is employed to evaluate performance and/or bandwidth of the machines with respect to hardware for data storage.

A method uses a record of I/O priorities in a determination of a storage medium of a hybrid storage system in which to store a file. The method maintains the record of I/O priorities by assigning an I/O temperature value to each request for access to the file based upon an I/O priority level of the process making the request. The method marks the file as hot if the file temperature value is greater than a threshold value. The method stores files marked as hot in a lower latency storage medium of the hybrid storage medium.

Hybrid data storage management taking into account input/output (I/O) priority

A hypervisor receives a memory page checksum from a guest operating system, which corresponds to a page of memory utilized by the guest. Next, the hypervisor proceeds through a series of steps to detect that the memory page checksum matches a checksum value included in a checksum entry item, which includes an identifier of a different guest. In turn, the hypervisor shares the page of memory between the guest and the different guest in response to detecting that the memory page checksum matches the checksum value included the checksum entry item.

Detection of duplicate memory pages across guest operating systems on a shared host

Recording television programs for future playback by enabling the user to record a plurality of programs that have sequential units of commercial content. There is sequential sensing for commercial content units. When a commercial content unit is reached, it is removed for separate storage. A determination is made as to whether the removed commercial content unit is the same as a previous commercial content unit that has been removed. Any previous commercial unit that has been removed has been stored in a file and a pointer to the file inserted in place of the commercial in the sequential stream of the television program being recorded. Thus, if the removed commercial unit has the same content, i.e. is a repeat of a previous commercial, the inserted pointer will point to the file of the previous commercial.

Optimizing recording space in digital video recording of television programs containing commercials

A method, data processing system and computer program product enables efficient transfer of a virtual machine from a first data processing system (DPS) to a second DPS using a combination of Transmission Control Protocol (TCP) and Uniform Data Protocol (UDP). A virtual machine migration (VMM) utility identifies all memory pages of the first virtual machine. The VMM utility notifies the second DPS via TCP of the scheduled transfer of the virtual machine. The VMM utility copies and transfers the memory pages of the virtual machine to the second DPS via UDP. When all expected components of the virtual machine are not received by the second DPS and/or memory data is modified within the memory pages during the migration, the VMM utility combines the missing data and the modified data and transfers the final components of the virtual machine using TCP. Execution of the virtual machine resumes on the second DPS.

Method for efficient guest operating system (OS) migration over a network

Improving storage efficiency for a digital video recorder is provided. It is determined whether television programming is being presented on a high definition channel or a standard definition channel. The television programming is recorded using the digital video recorder in response to determining that the television programming is being presented on a standard definition channel without making any resolution changes to the television programming. It is determined whether the content of the television programming originates in high definition or standard definition. When the television programming originates in standard definition, it is determined whether a corresponding standard definition channel is available. In response to determining the corresponding channel is available, the television programming is recorded in standard definition from the corresponding channel. Otherwise, the television programming is downscaled on the high definition channel to a standard definition resolution.

Improving storage efficiency of high definition digital video recorders

Utilization management is provided. A utilization monitor is initiated to monitor a set of processes. Utilization data for an identified process of the set of processes is recorded to form recorded utilization data. It is determined whether the recorded utilization data exceeds a utilization threshold. In responsive to determining that the recorded utilization data exceeds a utilization threshold, an action is performed to manage utilization.

Utilization management

Statistical profile data is refined by interrupting an execution of a software program in response to detecting a profiling event during the execution of the software program. An event sample associated with the profiling event is recorded in a log file. A set of markers describing and associated with the event sample is inserted into the log file.

Managing statistical profile data

A system and method for transmitting an electronic mail message to one or more intended recipients, which allows the user to designate that an electronic mail message contains a request for information which requires a reply from the one or more intended recipients, monitors electronic mail messages incoming to the sender to detect whether a reply has been received within the response period, and upon receiving a reply from any of the one or more intended recipients, presents the reply to the sender with one or more user-selectable icons which allow the sender to accept the reply as sufficient or request more information from the one or more intended recipients in response to selection of a user-selectable icon.

System and method for autogenerated email follow-up

A system and method for migrating domains from one physical data processing system to another are provided. With the system and method, domains may be assigned direct access to physical I/O devices but in the case of migration, the I/O devices may be converted to virtual I/O devices without service interruption. At this point, the domain may be migrated without limitation. Upon completion of the migration process, the domain may be converted back to using direct physical access, if available in the new data processing system to which the domain is migrated. Alternatively, the virtualized access to the I/O devices may continue to be used until the domain is migrated back to the original data processing system. Once migration back to the original data processing system is completed, the access may be converted back to direct access with the original physical I/O devices.

Migrating domains from one physical data processing system to another

A generalized on-line solution for achieving transparent binary optimization using pre-existing profiling facilities and virtual memory remapping of text regions. An optimization environment is initialized which comprises a debugger program, a profiling facility, and an optimizer. A running target program is attached to the debugger program, wherein the debugger program monitors process execution of the target program. Responsive to monitoring the running target program, profile data of the running target program is collected using the profiling facility. The profile data is provided to the optimizer, wherein the optimizer analyzes the profile data and existing code of the running target program. Responsive to a determination to optimize the existing code based on the profile data, optimized code is generated for the running target program. The optimized code is provided to the debugger program, wherein the debugger program inserts the optimized code into a virtual address space of the running target program.

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Leander, TX, United States of America

Steven L Pratt