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ircd::allocator: Add comment for RB_PROF_ALLOC.

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Jason Volk 2018-05-29 23:03:19 -07:00
parent 879c531ae9
commit 1cafbef10e
1 changed files with 8 additions and 0 deletions
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8
ircd/allocator.cc
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@ -8,6 +8,14 @@
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
// Uncomment or -D this #define to enable our own crude but simple ability to
// profile dynamic memory usage. Global `new` and `delete` will be captured
// here by this definition file into thread_local counters accessible via
// ircd::allocator::profile. This feature allows the developer to find out if
// allocations are occurring during some scope by sampling the counters.
//
// #define RB_PROF_ALLOC
//
// allocator::state
//