PMCTrack: Delivering Performance Monitoring Counter Support to the OS Scheduler | Zendy

Juan Carlos Sáez | Zendy; Adrián Pousa | Zendy; R. Rodriíguez-Rodriíguez | Zendy; Fernando Castro | Zendy; Manuel Prieto | Zendy

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PMCTrack: Delivering Performance Monitoring Counter Support to the OS Scheduler

Author(s) -

Juan Carlos Sáez,

Adrián Pousa,

R. Rodriíguez-Rodriíguez,

Fernando Castro,

Manuel Prieto

Publication year - 2016

Publication title -

the computer journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.319

H-Index - 64

eISSN - 1460-2067

pISSN - 0010-4620

DOI - 10.1093/comjnl/bxw065

Subject(s) - computer science , linux kernel , operating system , embedded system , debugging , scheduling (production processes) , user space , thread (computing) , virtual machine , cache , economics , operations management

Hardware performance monitoring counters (PMCs) have proven effective in characterizing application performance. Because PMCs can only be accessed directly at the OS privilege level, kernel-level tools must be developed to enable the end-user and userspace programs to access PMCs. A large body of work has demonstrated that the OS can perform effective runtime optimizations in multicore systems by ...

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