Context switch overheads on mobile device platforms

Authors:
Francis M. David;Jeffrey C. Carlyle;Roy H. Campbell
Affiliations:
University of Illinois at Urbana-Champaign, Urbana, IL;University of Illinois at Urbana-Champaign, Urbana, IL;University of Illinois at Urbana-Champaign, Urbana, IL
Venue:
ecs'07 Experimental computer science on Experimental computer science
Year:
2007

Citing 3
Cited 1

The effect of context switches on cache performance

ASPLOS IV Proceedings of the fourth international conference on Architectural support for programming languages and operating systems
Measuring the cache interference cost in preemptive real-time systems

Proceedings of the 2004 ACM SIGPLAN/SIGBED conference on Languages, compilers, and tools for embedded systems
lmbench: portable tools for performance analysis

ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference

System-wide energy optimization for multiple DVS components and real-time tasks

Real-Time Systems

Quantified Score

Hi-index	0.00

Visualization

Abstract

When threads use context switching, they incur an overhead in addition to the minimum required running time. The source of this overhead is both direct overhead due to running the context switch code and indirect overhead due to perturbation of caches. We calculate indirect overhead by measuring the running time of tasks that use context switching and subtracting the direct overhead. We also measure the indirect overhead impact on the running time of tasks due to processor interrupt servicing. Experiment results are presented for the Linux kernel running on a mobile device platform.