Fix a bug that made the nightly tester *really* slow. During changes for portability, the --track-space option was inadvertently ignored. This patch fixes that so that sys::Process::GetMallocUsage() is only invoked if the --track-spaces option is given. Apparently the mallinfo() call that GetMallocUsage() uses is *very* slow, especially when processing very large modules like projects/llvm-test/MultiSource/Applications/kimwitu++.
Fix a bug that made the nightly tester *really* slow. During changes for
portability, the --track-space option was inadvertently ignored. This patch
fixes that so that sys::Process::GetMallocUsage() is only invoked if the
--track-spaces option is given. Apparently the mallinfo() call that
GetMallocUsage() uses is *very* slow, especially when processing very large
modules like projects/llvm-test/MultiSource/Applications/kimwitu++.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@19163 91177308-0d34-0410-b5e6-96231b3b80d8

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