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NAME | DESCRIPTION | SEE ALSO | COLOPHON |
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proc_pid_timerslack_ns(5) File Formats Manual proc_pid_timerslack_ns(5)
/proc/pid/timerslack_ns - timer slack in nanoseconds
/proc/pid/timerslack_ns (since Linux 4.6)
This file exposes the process's "current" timer slack
value, expressed in nanoseconds. The file is writable,
allowing the process's timer slack value to be changed.
Writing 0 to this file resets the "current" timer slack to
the "default" timer slack value. For further details, see
the discussion of PR_SET_TIMERSLACK in prctl(2).
Initially, permission to access this file was governed by
a ptrace access mode PTRACE_MODE_ATTACH_FSCREDS check (see
ptrace(2)). However, this was subsequently deemed too
strict a requirement (and had the side effect that
requiring a process to have the CAP_SYS_PTRACE capability
would also allow it to view and change any process's
memory). Therefore, since Linux 4.9, only the (weaker)
CAP_SYS_NICE capability is required to access this file.
proc(5)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
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⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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2024-06-26. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
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part of the original manual page), send a mail to
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Linux man-pages 6.9.1 2024-05-02 proc_pid_timerslack_ns(5)
Pages that refer to this page: PR_GET_TIMERSLACK(2const), PR_SET_TIMERSLACK(2const)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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