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| author | Alejandro Colomar <alx@kernel.org> | 2023-08-15 01:54:50 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2023-08-15 23:13:45 +0200 |
| commit | 3982d2b587d7294768dc0a0bf02117b19be90092 (patch) | |
| tree | 52a77c7fe7a9a9ffbb348f071d07a1e273f7d5ce | |
| parent | 1ee2efc4a974921f55b4ef718858245448d54372 (diff) | |
| download | man-pages-3982d2b587d7294768dc0a0bf02117b19be90092.tar.gz | |
proc.5, proc_pid_timerslack_ns.5: Split /proc/PID/timerslack_ns from proc(5)
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | man5/proc.5 | 29 | ||||
| -rw-r--r-- | man5/proc_pid_timerslack_ns.5 | 41 |
2 files changed, 41 insertions, 29 deletions
diff --git a/man5/proc.5 b/man5/proc.5 index b213968ea1..a7be35c47b 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -353,35 +353,6 @@ it is governed by the .B CONFIG_PROC_CHILDREN option. .TP -.IR /proc/ pid /timerslack_ns " (since Linux 4.6)" -.\" commit da8b44d5a9f8bf26da637b7336508ca534d6b319 -.\" commit 5de23d435e88996b1efe0e2cebe242074ce67c9e -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 -.B PR_SET_TIMERSLACK -in -.BR prctl (2). -.IP -Initially, -permission to access this file was governed by a ptrace access mode -.B PTRACE_MODE_ATTACH_FSCREDS -check (see -.BR ptrace (2)). -However, this was subsequently deemed too strict a requirement -(and had the side effect that requiring a process to have the -.B CAP_SYS_PTRACE -capability would also allow it to view and change any process's memory). -Therefore, since Linux 4.9, -.\" commit 7abbaf94049914f074306d960b0f968ffe52e59f -only the (weaker) -.B CAP_SYS_NICE -capability is required to access this file. -.TP .IR /proc/ pid /wchan " (since Linux 2.6.0)" The symbolic name corresponding to the location in the kernel where the process is sleeping. diff --git a/man5/proc_pid_timerslack_ns.5 b/man5/proc_pid_timerslack_ns.5 new file mode 100644 index 0000000000..73673facaa --- /dev/null +++ b/man5/proc_pid_timerslack_ns.5 @@ -0,0 +1,41 @@ +.\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com> +.\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com> +.\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org> +.\" +.\" SPDX-License-Identifier: GPL-3.0-or-later +.\" +.TH proc_pid_timerslack_ns 5 (date) "Linux man-pages (unreleased)" +.SH NAME +/proc/pid/timerslack_ns \- timer slack in nanoseconds +.SH DESCRIPTION +.TP +.IR /proc/ pid /timerslack_ns " (since Linux 4.6)" +.\" commit da8b44d5a9f8bf26da637b7336508ca534d6b319 +.\" commit 5de23d435e88996b1efe0e2cebe242074ce67c9e +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 +.B PR_SET_TIMERSLACK +in +.BR prctl (2). +.IP +Initially, +permission to access this file was governed by a ptrace access mode +.B PTRACE_MODE_ATTACH_FSCREDS +check (see +.BR ptrace (2)). +However, this was subsequently deemed too strict a requirement +(and had the side effect that requiring a process to have the +.B CAP_SYS_PTRACE +capability would also allow it to view and change any process's memory). +Therefore, since Linux 4.9, +.\" commit 7abbaf94049914f074306d960b0f968ffe52e59f +only the (weaker) +.B CAP_SYS_NICE +capability is required to access this file. +.SH SEE ALSO +.BR proc (5) |