Effects of clock resolution on the scheduling of interactive and soft real-time processes
SIGMETRICS '03 Proceedings of the 2003 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Desktop scheduling: how can we know what the user wants?
NOSSDAV '04 Proceedings of the 14th international workshop on Network and operating systems support for digital audio and video
Process prioritization using output production: Scheduling for multimedia
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Redline: first class support for interactivity in commodity operating systems
OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
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As multimedia applications with real-time constraints rapidly invade today's desktops, it becomes increasingly important for the operating system to provide robust resource allocation mechanisms for both multimedia and traditional best-effort workloads. We present a flexible CPU scheduling policy that adjusts the CPU proportion allocated to each application class using recent history as a feedback mechanism. The algorithm quickly adapts to varying workload conditions and compares favorably with static proportional scheduling schemes for mixed workloads.