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man pages section 8: System Administration Commands

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Updated: Wednesday, July 27, 2022
 
 

vfs_time_audit (8)

Name

vfs_time_audit - samba vfs module to log slow VFS operations

Synopsis

vfs objects = time_audit

Description

System Administration tools                                  VFS_TIME_AUDIT(8)



NAME
       vfs_time_audit - samba vfs module to log slow VFS operations

SYNOPSIS
       vfs objects = time_audit

DESCRIPTION
       This VFS module is part of the samba(7) suite.

       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.

       It's kind of comparable with strace -T and is helpful to reveal
       performance problems with the underlying file and storage subsystems.

       This module is stackable.

OPTIONS
       time_audit:timeout = number of milliseconds
           VFS calls that take longer than the defined number of milliseconds
           that should be logged. The default is 10000 (10s).

EXAMPLES
       This would log VFS calls that take longer than 3 seconds:

                   [sample_share]
                path = /test/sample_share
                vfs objects = time_audit
                time_audit:timeout = 3000

VERSION
       This man page is part of version 4.13.17 of the Samba suite.

AUTHOR
       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.

       The time_audit VFS module was created with contributions from Abhidnya
       Chirmule.



ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+-----------------------+
       |ATTRIBUTE TYPE |   ATTRIBUTE VALUE     |
       +---------------+-----------------------+
       |Availability   | service/network/samba |
       +---------------+-----------------------+
       |Stability      | Volatile              |
       +---------------+-----------------------+

NOTES
       Source code for open source software components in Oracle Solaris can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This software was built from source available at
       https://github.com/oracle/solaris-userland.  The original community
       source was downloaded from
       https://download.samba.org/pub/samba/stable/samba-4.13.17.tar.gz.

       Further information about this software can be found on the open source
       community website at http://www.samba.org/.



Samba 4.13.17                     06/28/2022                 VFS_TIME_AUDIT(8)