xhprof_disablexhprof_enable
(PECL xhprof >= 0.9.0)
xhprof_enable — Start xhprof profiler
Descrição
void xhprof_enable
([ int $flags = 0
[, array $options
]] )
Start xhprof profiling.
Parâmetros
- flags
-
Optional flags to add additional information to the profiling. See the XHprof constants for further information about these flags, e.g., XHPROF_FLAGS_MEMORY to enable memory profiling.
- options
-
An array of optional options, namely, the 'ignored_functions' option to pass in functions to be ignored during profiling.
Valor Retornado
NULL
Histórico
| Versão | Descrição |
|---|---|
| 0.9.2 | The optional options parameter was added. |
Exemplos
Exemplo #1 xhprof_enable() examples
<?php
// 1. elapsed time + memory + CPU profiling; and ignore built-in (internal) functions
xhprof_enable(XHPROF_FLAGS_NO_BUILTINS | XHPROF_FLAGS_CPU | XHPROF_FLAGS_MEMORY);
// 2. elapsed time profiling; ignore call_user_func* during profiling
xhprof_enable(
0,
array('ignored_functions' => array('call_user_func',
'call_user_func_array')));
// 3. elapsed time + memory profiling; ignore call_user_func* during profiling
xhprof_enable(
XHPROF_FLAGS_MEMORY,
array('ignored_functions' => array('call_user_func',
'call_user_func_array')));
?>
Veja Também
- xhprof_disable() - Stops xhprof profiler
- xhprof_sample_enable() - Description
- memory_get_usage() - Retorna a quantidade de memória alocada para PHP
- getrusage() - Obtém a utilização de recursos
User Contributed Notes
xhprof_enable
xhprof_enable
There are no user contributed notes for this page.