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blackfire — Monitor, profile, and test a PHP application. More information: <https://www.blackfire.io/>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandmonitorblackfireandcliprofilephptest

Problem

How to use the blackfire command: Monitor, profile, and test a PHP application. More information: <https://www.blackfire.io/>.

Solution

blackfire — Monitor, profile, and test a PHP application. More information: <https://www.blackfire.io/>.

Initialize and configure the Blackfire client:

blackfire config

Launch the Blackfire agent:

blackfire agent

Launch the Blackfire agent on a specific socket:

blackfire agent --socket="{{tcp://127.0.0.1:8307}}"

Run the profiler on a specific program:

blackfire run {{php path/to/file.php}}

Run the profiler and collect 10 samples:

blackfire --samples 10 run {{php path/to/file.php}}

Run the profiler and output results as JSON:

blackfire --json run {{php path/to/file.php}}

Upload a profiler file to the Blackfire web service:

blackfire upload {{path/to/file}}

View the status of profiles on the Blackfire web service:

blackfire status

Code Snippets

Initialize and configure the Blackfire client

blackfire config

Launch the Blackfire agent

blackfire agent

Launch the Blackfire agent on a specific socket

blackfire agent --socket="{{tcp://127.0.0.1:8307}}"

Run the profiler on a specific program

blackfire run {{php path/to/file.php}}

Run the profiler and collect 10 samples

blackfire --samples 10 run {{php path/to/file.php}}

Context

tldr-pages: common/blackfire

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