40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
.TH php_malloc.d 1m "$Date:: 2007-10-03 #$" "USER COMMANDS"
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.SH NAME
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php_malloc.d - PHP libc malloc analysis.
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.SH SYNOPSIS
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.B php_malloc.d
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{ \-p PID | \-c cmd }
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.SH DESCRIPTION
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This is an expiremental script to identify who is calling malloc() for
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memory allocation, and to print distribution plots of the requested bytes.
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If a malloc() occured while in a PHP function, then that function is
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identified as responsible; else the caller of malloc() is identified as
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responsible - which will be a function from the PHP engine.
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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 Php provider, which may change
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as additional features are introduced. Check Php/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 php_malloc.d
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.PP
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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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php_malloc.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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