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48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
.TH syscallbysysc.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS"
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.SH NAME
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syscallbysysc.d \- syscalls by syscall. Uses DTrace.
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.SH SYNOPSIS
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.B syscallbysysc.d
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.SH DESCRIPTION
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syscallbysysc.d is a DTrace OneLiner to a report of the number of
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each type of system call made.
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This is useful to identify which system call is the most common.
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Docs/oneliners.txt and Docs/Examples/oneliners_examples.txt
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in the DTraceToolkit contain this as a oneliner that can be cut-n-paste
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to run.
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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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Any
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.SH STABILITY
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stable - needs the syscall provider.
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.SH EXAMPLES
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.TP
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This samples until Ctrl\-C is hit.
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#
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.B syscallbysysc.d
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.PP
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.SH FIELDS
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.TP
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first field
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This is the system call type. Most have man pages in section 2.
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.TP
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second field
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This is the count, the number of occurrances for this system call.
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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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syscallbysysc.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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procsystime(1M), dtrace(1M), truss(1)
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