hphp/runtime/ext/objprof/ext_objprof.php

   1 <?hh
   2
   3 namespace HH {
   4
   5 /**
   6  * Do a memory scan and collect information about allocated objects
   7  *
   8  * @return Array - an Array of (object allocation datas) as well as
   9  *  It is possible for the output of this function to change in the near
  10  *  future.  If so, it will be documented.
  11  */
  12
  13 type ObjprofPathsStats = shape(
  14   'instances' => int,
  15   'bytes' => int,
  16   'path' => array<string>,
  17 );
  18
  19 type ObjprofObjectStats = shape(
  20   'instances' => int,
  21   'bytes' => int,
  22   'paths' => ObjprofPathsStats,
  23 );
  24
  25 type ObjprofStringStats = shape(
  26   'dups' => int,
  27   'refs' => int,
  28   'srefs' => int,
  29   'path' => string,
  30 );
  31
  32 <<__Native>>
  33 function objprof_get_data(
  34   int $flags = OBJPROF_FLAGS_DEFAULT,
  35   array $exclude_list = array(),
  36 ): array<string, ObjprofObjectStats>;
  37
  38 <<__Native>>
  39 function objprof_get_strings(int $min_dup): array<string, ObjprofStringStats>;
  40
  41 <<__Native>>
  42 function objprof_get_paths(
  43   int $flags = OBJPROF_FLAGS_DEFAULT,
  44   array $exclude_list = array(),
  45 ): array<string, ObjprofObjectStats>;
  46
  47 <<__Native>>
  48 function thread_memory_stats(): array<string, int>;
  49
  50 <<__Native>>
  51 function thread_mark_stack(): void;
  52
  53 <<__Native>>
  54 function set_mem_threshold_callback(int $threshold, mixed $callback): void;
  55 }