Profiling PHP @ PHPCon Poland 2016

PHPCon Poland 2016
http://www.phpcon.pl/2016/pl/

Transcript

1. PROFILING PHP SEBASTIAN GRODZICKI
2. WHO USES PHP?
3. WHO USES PHP 7?
4. WHO USES PHPUNIT?
5. WHO USES XDEBUG?
6. WHO USES BLACKFIRE?
7. SEBASTIAN GRODZICKI CTO @ SHOWROOM
8. I’M NOT HIRED BY BLACKFIRE. Sebastian Grodzicki DISCLAIMER
9. 40% OF USERS
 ABANDON A WEBSITE
 THAT TAKES MORE THAN
 3 SECONDS TO LOAD Akamai STATISTICS
10. PROFILING IS A WAY TO MEASURE WHERE A PROGRAM SPENDS TIME MathWorks DEFINITION
11. MICROTIME
12. log_format foobar '$remote_addr ' '"$request" $status $body_bytes_sent ' '"$http_referer" "$http_user_agent" ' '$request_time $upstream_response_time’; access_log /var/log/nginx/access.log foobar; NGINX
13. Xdebug
14. xdebug.profiler_enable_trigger = 1 http://url?XDEBUG_PROFILE=1
15. KCACHEGRIND
16. PROFILING PHP WEBGRIND
17. XHProf
18. <?php xhprof_enable(); # do some stuff $xhprof_data = xhprof_disable();
19. XHPROF
22. PROFILING PHP TIME Wall time I/O CPU Disk I/O Network = = + +
23. PROFILING PHP INCLUSIVE VS EXCLUSIVE TIME function foo()
 {
 $str = bar(); return $str; } function foo()
 {
 $str = bar(); return $str; }
24. BLACKFIRE CONTINUOUS PERFORMANCE TESTING
25. BLACKFIRE CALLGRAPHS
26. BLACKFIRE HOT PATHS
27. DEMO CHROME COMPANION
30. DEMO BLACKFIRE CURL
32. DEMO BLACKFIRE RUN
35. ASSERTIONS
36. PROFILING PHP ASSERTIONS tests: "Application should never hit the DB": path: "/.*" assertions: - "metrics.sql.queries.count == 0"
37. PROFILING PHP ASSERTIONS tests: "Homepage should never call the API": path: "/" assertions: - "metrics.http.requests.count == 0"
38. PROFILING PHP ASSERTIONS tests: "Pages should be fast enough": path: "/.*" assertions: - "main.wall_time < 100ms"
40. BUILDS
44. PHP SDK
45. BLACKFIRE PHP SDK ▸ composer require blackfire/php-sdk ▸ $blackfire = new \Blackfire\Client(); ▸ $probe = $blackfire->createProbe(); ▸ $profile = $blackfire->endProbe($probe);
46. PHPUNIT
47. <?php
 
 use Blackfire\Bridge\PhpUnit\TestCaseTrait;
 use Blackfire\Profile;
 
 class IntegrationTest extends \PHPUnit_Framework_TestCase {
 use TestCaseTrait;
 /**
 * @requires extension blackfire
 */
 public function testSomething() {
 $config = new Profile\Configuration();
 $config
 ->assert('metrics.sql.queries.count < 5', 'SQL queries')
 ->assert('metrics.twig.render.count < 3', 'Rendered Twig templates')
 ->assert('metrics.twig.compile.count == 0', 'Twig compilation')
 ;
 }
 }
48. blackfire.io/docs/24-days
49. QUESTIONS?
50. THANK YOU!