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50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
.TH js_cputime.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS"
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.SH NAME
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js_cputime.d - measure JavaScript on-CPU times for types of operation.
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.SH SYNOPSIS
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.B js_cputime.d
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.SH DESCRIPTION
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This traces JavaScript activity from all browsers running on the system with
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JavaScript provider support.
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Filename and function names are printed if available.
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.SH OS
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Any
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.SH STABILITY
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Evolving - uses the DTrace JavaScript provider, which may change
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as additional features are introduced. Check JavaScript/Readme
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to see what version these scripts are based on.
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.SH EXAMPLES
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.TP
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Default output,
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#
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.B js_cputime.d
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.PP
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.SH FIELDS
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.TP
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FILE
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Filename of the JavaScript program
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.TP
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TYPE
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Type of call (func/obj-new/gc/total)
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.TP
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NAME
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Name of call
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.TP
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TOTAL
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Total on-CPU time for calls (us)
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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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Examples, Notes and Docs directories. The example files may be
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especially useful as they aim to demonstrate how to interpret
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the output.
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.SH EXIT
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js_cputime.d will run until Ctrl-C is hit.
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.SH AUTHOR
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Brendan Gregg
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[CA, USA]
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.SH SEE ALSO
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dtrace(1M)
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