53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
.TH dnlcsnoop.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
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.SH NAME
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dnlcsnoop.d \- snoop DNLC activity. Uses DTrace.
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.SH SYNOPSIS
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.B dnlcsnoop.d
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.SH DESCRIPTION
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The DNLC is the Directory Name Lookup Cache. Filename lookups often
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return a hit from here, before needing to traverse the regular file
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system cache or go to disk.
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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 EXAMPLES
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.TP
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Sample until Ctrl\-C is hit then print report,
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#
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.B dnlcsnoop.d
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.PP
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.SH FIELDS
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.TP
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PID
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process ID
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.TP
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CMD
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command name
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.TP
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TIME
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Elapsed time for lookup, us
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.TP
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HIT
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DNLC hit Y/N
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.TP
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PATH
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Path for DNLC lookup
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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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dnlcsnoop.d will sample until Ctrl\-C is hit.
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.SH AUTHOR
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Brendan Gregg
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[Sydney, Australia]
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.SH SEE ALSO
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dtrace(1M)
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