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Shell Programming and Scripting
Help with regular expression
Post 303014212 by kraljic on Wednesday 7th of March 2018 06:41:41 AM
03-07-2018
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LEARN ABOUT MOJAVE
syscallbysysc.d
syscallbysysc.d(1m) USER COMMANDS syscallbysysc.d(1m) NAME
syscallbysysc.d - syscalls by syscall. Uses DTrace. SYNOPSIS
syscallbysysc.d DESCRIPTION
syscallbysysc.d is a DTrace OneLiner to a report of the number of each type of system call made. This is useful to identify which system call is the most common. Docs/oneliners.txt and Docs/Examples/oneliners_examples.txt in the DTraceToolkit contain this as a oneliner that can be cut-n-paste to run. Since this uses DTrace, only users with root privileges can run this command. EXAMPLES
This samples until Ctrl-C is hit. # syscallbysysc.d FIELDS
first field This is the system call type. Most have man pages in section 2. second field This is the count, the number of occurrances for this system call. DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver- bose descriptions explaining the output. EXIT
syscallbysysc.d will sample until Ctrl-C is hit. AUTHOR
Brendan Gregg [Sydney, Australia] SEE ALSO
procsystime(1M), dtrace(1M), truss(1) version 1.00 May 15, 2005 syscallbysysc.d(1m)