Installing and updating Blackfire should be a quick process. This document will guide you through the steps.
For a better experience, you should or Sign Up.
Tell us what you want to do:
v2 version is the one you want to use. If you have
automation based on the previous version, select
v1, which is still
supported until the Aug, 31th 2021.
If you are upgrading from v1, please read the upgrade guide.
To start using Blackfire, we are going to install the following:
Blackfire uses a custom Debian repository to distribute its packages; it is compatible with most Debian-based distributions like Ubuntu and Linux-Mint.
wget -q -O - https://packages.blackfire.io/gpg.key | sudo apt-key add -
echo "deb http://packages.blackfire.io/debian any main" | sudo tee /etc/apt/sources.list.d/blackfire.list
sudo apt update
sudo apt install blackfire
This command asks for some Blackfire server credentials, log in or sign up now to get them:
or Sign UpLearn more about the agent configuration file.
sudo systemctl restart blackfire-agent
During the agent installation, a new
blackfire-agent service was created to
start, stop, and restart it. Whenever you modify the agent
configuration, restart it.
/var/log/blackfire/agent.log. Change the log file or the log level in the agent configuration file.
sudo apt install blackfire-php
PHP will likely crash when Blackfire is used when one of the following
extensions is also enabled:
XDebug is installed, the PHP engine may not behave as
expected; consider disabling it when profiling.
pcov extension is installed, Blackfire will not
behave as expected; consider disabling it when profiling.
To profile applications, you need to use a profiling client:
Profile from a browser via our browser extensions (Web applications only).
Profile from the command line via the
(Web applications, APIs, command line tools, daemons, and more).
Configure it with your personal credentials:
blackfire client:config --client-id=CLIENT_ID --client-token=CLIENT_TOKEN
Start profiling via: