I install and enbale phpng-xhprof success , but php7.0-fpm sometimes exited on signal 11

[justanding]

I install and enbale phpng-xhprof success , but php7.0-fpm sometimes exited on signal 11.
This causes nginx to generate a 404 error.

php7.0-fpm log:
[11-Apr-2017 10:34:48] WARNING: [pool www] child 10335 exited on signal 11 (SIGSEGV - core dumped) after 7.301858 seconds from start
[11-Apr-2017 10:34:48] NOTICE: [pool www] child 10345 started
[11-Apr-2017 10:34:49] WARNING: [pool www] child 10336 exited on signal 11 (SIGSEGV - core dumped) after 8.289563 seconds from start

php-version:
PHP 7.0.16-3+deb.sury.org~xenial+1 (cli) (built: Feb 22 2017 10:05:52) ( NTS )

[yaoguais]

Can you show the test script?
I request the script "https://github.com/yaoguais/phpng-xhprof/blob/master/diff/enable.php" and get the right response.(PHP 7.0.16 (cli) (built: Apr 11 2017 13:54:34) ( NTS ) php-fpm)

7.0.16-enable-063149.out
array (
  'main()==>load::www/lib.php' =>
  array (
    'ct' => 1,
    'wt' => 109,
    'cpu' => 0,
    'mu' => 3216,
    'pmu' => 2720,
  ),
  'main()==>run_init::www/lib.php' =>
  array (
    'ct' => 1,
    'wt' => 2,
    'cpu' => 0,
    'mu' => 528,
    'pmu' => 0,
  ),
  'main()==>strlen' =>
  array (
    'ct' => 1,
    'wt' => 7,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'main()==>str_replace' =>
  array (
    'ct' => 1,
    'wt' => 17,
    'cpu' => 0,
    'mu' => 520,
    'pmu' => 0,
  ),
  'main()==>eval::/home/yaoguai/php7016/www/enable.php(18) : eval()\'d code' =>
  array (
    'ct' => 1,
    'wt' => 7,
    'cpu' => 0,
    'mu' => 1016,
    'pmu' => 224,
  ),
  'main()==>run_init::www/enable.php(18) : eval()\'d code' =>
  array (
    'ct' => 1,
    'wt' => 0,
    'cpu' => 0,
    'mu' => 552,
    'pmu' => 0,
  ),
  'foo==>bar' =>
  array (
    'ct' => 5,
    'wt' => 17,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'foo==>strlen' =>
  array (
    'ct' => 5,
    'wt' => 0,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'bar==>bar@1' =>
  array (
    'ct' => 4,
    'wt' => 10,
    'cpu' => 0,
    'mu' => 832,
    'pmu' => 0,
  ),
  'bar@1==>bar@2' =>
  array (
    'ct' => 3,
    'wt' => 5,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'bar@2==>bar@3' =>
  array (
    'ct' => 2,
    'wt' => 2,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'bar@3==>bar@4' =>
  array (
    'ct' => 1,
    'wt' => 0,
    'cpu' => 0,
    'mu' => 512,
    'pmu' => 0,
  ),
  'main()==>foo' =>
  array (
    'ct' => 1,
    'wt' => 33,
    'cpu' => 0,
    'mu' => 4288,
    'pmu' => 0,
  ),
  'main()==>xhprof_disable' =>
  array (
    'ct' => 1,
    'wt' => 0,
    'cpu' => 0,
    'mu' => 520,
    'pmu' => 0,
  ),
  'main()' =>
  array (
    'ct' => 1,
    'wt' => 235,
    'cpu' => 0,
    'mu' => 10800,
    'pmu' => 2944,
  ),
)