Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 80 insertions, 0 deletions

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+'\" t
+.\"     Title: vfs_time_audit
+.\"    Author: [see the "AUTHOR" section]
+.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
+.\"      Date: 02/19/2024
+.\"    Manual: System Administration tools
+.\"    Source: Samba 4.19.5
+.\"  Language: English
+.\"
+.TH "VFS_TIME_AUDIT" "8" "02/19/2024" "Samba 4\&.19\&.5" "System Administration tools"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+vfs_time_audit \- samba vfs module to log slow VFS operations
+.SH "SYNOPSIS"
+.HP \w'\ 'u
+vfs objects = time_audit
+.SH "DESCRIPTION"
+.PP
+This VFS module is part of the
+\fBsamba\fR(7)
+suite\&.
+.PP
+The
+time_audit
+VFS module logs system calls that take longer than the number of milliseconds defined by the variable
+time_audit:timeout\&. It will log the calls and the time spent in it\&.
+.PP
+It\*(Aqs kind of comparable with
+strace \-T
+and is helpful to reveal performance problems with the underlying file and storage subsystems\&.
+.PP
+This module is stackable\&.
+.SH "OPTIONS"
+.PP
+time_audit:timeout = number of milliseconds
+.RS 4
+VFS calls that take longer than the defined number of milliseconds that should be logged\&. The default is 10000 (10s)\&.
+.RE
+.SH "EXAMPLES"
+.PP
+This would log VFS calls that take longer than 3 seconds:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+        \fI[sample_share]\fR
+	\m[blue]\fBpath = /test/sample_share\fR\m[]
+	\m[blue]\fBvfs objects = time_audit\fR\m[]
+	\m[blue]\fBtime_audit:timeout = 3000\fR\m[]
+.fi
+.if n \{\
+.RE
+.\}
+.SH "VERSION"
+.PP
+This man page is part of version 4\&.19\&.5 of the Samba suite\&.
+.SH "AUTHOR"
+.PP
+The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
+.PP
+The time_audit VFS module was created with contributions from Abhidnya Chirmule\&.