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[Support/Timer] Make GetMallocUsage() aware of jemalloc.

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Differential Revision:	D7657
Reviewed by:	shankarke, majnemer


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229824 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Davide Italiano
2015-02-19 07:27:14 +00:00
parent 668fc94ea5
commit d6f86b8614
4 changed files with 17 additions and 0 deletions
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10
lib/Support/Unix/Process.inc
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@@ -39,6 +39,9 @@
!defined(__OpenBSD__) && !defined(__Bitrig__)
#include <malloc.h>
#endif
#if defined(HAVE_MALLCTL)
#include <malloc_np.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
@@ -98,6 +101,13 @@ size_t Process::GetMallocUsage() {
malloc_statistics_t Stats;
malloc_zone_statistics(malloc_default_zone(), &Stats);
return Stats.size_in_use; // darwin
#elif defined(HAVE_MALLCTL)
size_t alloc, sz;
sz = sizeof(size_t);
if (mallctl("stats.allocated", &alloc, &sz, NULL, 0) == 0)
return alloc;
else
return 0;
#elif defined(HAVE_SBRK)
// Note this is only an approximation and more closely resembles
// the value returned by mallinfo in the arena field.