78 lines
1.4 KiB
Plaintext
78 lines
1.4 KiB
Plaintext
.TH vopstat 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
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.SH NAME
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vopstat \- vnode interface statistics. Uses DTrace.
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.SH SYNOPSIS
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.B vopstat [\-t] [/mountname]
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.SH DESCRIPTION
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This will either produce summary reports of vnode statistics, or
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trace activity.
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Since this uses DTrace, only the root user or users with the
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dtrace_kernel privilege can run this command.
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.SH OS
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Solaris
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.SH STABILITY
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unstable - this script uses fbt provider probes which may change for
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future updates of the OS, invalidating this script. Please read
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Docs/Notes/ALLfbt_notes.txt for further details about these fbt scripts.
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.SH OPTIONS
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.TP
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\-t
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trace activity as it occurs
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.TP
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/mountname
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examine this FS only
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.PP
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.SH EXAMPLES
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.TP
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default output, summary each 5 secs,
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#
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.B vopstat
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.TP
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only examine /var,
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#
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.B vopstat
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/var
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.TP
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trace activity to /var,
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#
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.B vopstat
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\-t /var
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.PP
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.SH FIELDS
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.TP
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Count
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number of calls
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.TP
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mSeconds
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total of elapsed times
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.TP
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Event
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vop call name
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.TP
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Device
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device instance name
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.TP
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Path
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full pathname to file
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.TP
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RW
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Read or Write
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.TP
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Size
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size in bytes, if available
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.TP
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Offset
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offset in bytes, if available
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.PP
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.SH DOCUMENTATION
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See the DTraceToolkit for further documentation under the
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Docs directory. The DTraceToolkit docs may include full worked
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examples with verbose descriptions explaining the output.
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.SH EXIT
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vopstat will sample until Ctrl\-C is hit.
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.SH AUTHOR
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Richard McDougall
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.SH SEE ALSO
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dtrace(1M)
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