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The following are examples of php_flow.d.
This is a simple script to trace the flow of PHP functions.
Here it traces the example program, Code/Php/func_abc.php
# php_flow.d
C TIME(us) FILE -- FUNC
0 3645535409575 func_abc.php -> func_a
0 3645535409653 func_abc.php -> sleep
0 3645536410511 func_abc.php <- sleep
0 3645536410536 func_abc.php -> func_b
0 3645536410557 func_abc.php -> sleep
0 3645537420627 func_abc.php <- sleep
0 3645537420652 func_abc.php -> func_c
0 3645537420673 func_abc.php -> sleep
0 3645538430106 func_abc.php <- sleep
0 3645538430125 func_abc.php <- func_c
0 3645538430134 func_abc.php <- func_b
0 3645538430143 func_abc.php <- func_a
^C
The fourth column is indented by 2 spaces to show when a new function begins.
This shows which function is calling which - the output above begins by
showing that func_a() began; slept, and returned from sleep; and then called
func_b().
The TIME(us) column shows time from boot in microseconds.
The FILE column shows the file that was being executed.
If the output looks strange, check the CPU "C" column - if it changes,
then the output is probably shuffled. See Notes/ALLsnoop_notes.txt for
details and suggested workarounds.
See Notes/ALLflow_notes.txt for important notes about reading flow outputs.
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