Analysis of CPU Usage Data Properties and their possible impact on Performance Monitoring | Zendy

Konstantin  Stefanov | Zendy; Alexey A. Gradskov | Zendy

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Analysis of CPU Usage Data Properties and their possible impact on Performance Monitoring

Author(s) -

Konstantin Stefanov,

Alexey A. Gradskov

Publication year - 2016

Publication title -

supercomputing frontiers and innovations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 16

eISSN - 2409-6008

pISSN - 2313-8734

DOI - 10.14529/jsfi160405

Subject(s) - computer science , central processing unit , cpu shielding , kernel (algebra) , linux kernel , operating system , source code , computer performance , code (set theory) , embedded system , programming language , mathematics , set (abstract data type) , combinatorics

CPU usage data (CPU user, system, iowait etc. load levels) are often the basic data used for performance monitoring. The source of these data is the operating system. In this paper we analyze some properties of CPU usage data provided by Linux kernel. We examine kernel source code and provide test results to find which level of accuracy and precision one may expect when using CPU load level data.

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