How to profile PHP on production servers?

Question

PHP

xDebug is very powerful, can it be used on production systems (it's heavy)? What tools are there to profile PHP applications in real time and without sacrificing website speed?

Answer 1

try xhprof.io
xDebug not for production

Answer 2

xhprof . Created by Facebook. Just for the purposes of work on production'ah. Supports a special flickering mode to save resources when collecting statistics. There are tabular and graphic reports.

Answer 3

just right for pinba production

Answer 4

We use newrelic.com. True, if you are interested in some specific sections of statistics, then you will have to make changes to the project code.