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jemalloc address space fragmentation
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Authored by alc on Jul 29 2018, 4:45 AM.
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F3623488: jemalloc address space fragmentation
Jul 29 2018, 4:45 AM
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82992 0x200000 0x1577000 r-- 2159 10376 42 14 CNS- vn /usr/bin/cpp
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82992 0x3ff3000 0x4000000 rw- 13 0 1 0 C--- vn /usr/bin/cpp
82992 0x4000000 0x4282000 rw- 106 106 1 0 ---- df
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82992 0x803ff4000 0x804000000 rw- 12 12 1 0 ---- df
82992 0x804000000 0x8047b5000 rw- 885 885 1 0 ---- df
82992 0x8047b5000 0x80485e000 r-- 169 184 1 0 CN-- vn /local/HEAD/src/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
82992 0x80485e000 0x804886000 rw- 40 40 1 0 ---- df
82992 0x804886000 0x804892000 r-- 12 12 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/APFloat.h
82992 0x804892000 0x8048a4000 r-- 18 18 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/APInt.h
82992 0x8048a4000 0x8048a9000 r-- 5 5 7 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Support/Compiler.h
82992 0x8048a9000 0x8048b8000 rw- 15 15 1 0 ---- df
82992 0x8048b8000 0x8048bf000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Support/MathExtras.h
82992 0x8048bf000 0x8048ce000 rw- 15 15 1 0 ---- df
82992 0x8048ce000 0x8048d9000 r-- 11 11 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__config
82992 0x8048d9000 0x8048e1000 r-- 8 8 7 0 CN-- vn /local/HEAD/src/sys/sys/cdefs.h
82992 0x8048e1000 0x804937000 rw- 86 86 1 0 ---- df
82992 0x804937000 0x804943000 r-- 12 12 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/math.h
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82992 0x8049a9000 0x804b0f000 rw- 358 358 1 0 ---- df
82992 0x804b0f000 0x804b19000 r-- 10 10 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/limits
82992 0x804b19000 0x804bf3000 rw- 218 218 1 0 ---- df
82992 0x804bf3000 0x804c26000 r-- 51 51 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/algorithm
82992 0x804c26000 0x804c3e000 rw- 24 24 1 0 ---- df
82992 0x804c3e000 0x804c4a000 r-- 12 12 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/utility
82992 0x804c4a000 0x804c4f000 r-- 5 5 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__tuple
82992 0x804c4f000 0x804d2e000 rw- 223 223 1 0 ---- df
82992 0x804d2e000 0x804d59000 r-- 43 43 7 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/memory
82992 0x804d59000 0x804dcd000 rw- 115 115 1 0 ---- df
82992 0x804dcd000 0x804dde000 r-- 17 17 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/iterator
82992 0x804dde000 0x804e3b000 rw- 93 93 1 0 ---- df
82992 0x804e3b000 0x804e40000 r-- 5 5 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__functional_ba
se
82992 0x804e40000 0x804ef0000 rw- 176 176 1 0 ---- df
82992 0x804ef0000 0x804efe000 r-- 14 14 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/tuple
82992 0x804efe000 0x804fe2000 rw- 228 228 1 0 ---- df
82992 0x804fe2000 0x804ff2000 r-- 16 16 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/atomic
82992 0x804ff2000 0x8053da000 rw- 999 999 1 0 ---- df
82992 0x8053da000 0x805400000 r-- 38 38 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/string
82992 0x805400000 0x805409000 r-- 9 9 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/string_view
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82992 0x805415000 0x805767000 rw- 848 928 2 0 ---- df
82992 0x805767000 0x80576c000 r-- 5 5 7 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/ArrayRef.h
82992 0x80576c000 0x80576f000 rw- 3 3 1 0 ---- df
82992 0x80576f000 0x8057bf000 rw- 80 928 2 0 ---- df
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82992 0x8057dd000 0x8057ee000 rw- 17 17 1 0 ---- df
82992 0x8057ee000 0x8057f6000 r-- 8 8 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/SmallVector.h
82992 0x8057f6000 0x805850000 rw- 90 90 1 0 ---- df
82992 0x805850000 0x805863000 r-- 19 19 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/functional
82992 0x805863000 0x805a2f000 rw- 457 457 1 0 ---- df
82992 0x805a2f000 0x805a34000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Support/Allocator.h
82992 0x805a34000 0x805be5000 rw- 433 433 1 0 ---- df
82992 0x805be5000 0x805c00000 r-- 27 27 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/vector
82992 0x805c00000 0x805c0d000 r-- 13 13 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__bit_reference
82992 0x805c0d000 0x805c62000 rw- 85 85 1 0 ---- df
82992 0x805c62000 0x805c68000 r-- 6 6 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__split_buffer
82992 0x805c68000 0x805f28000 rw- 704 704 1 0 ---- df
82992 0x805f28000 0x805f32000 r-- 10 10 7 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/DenseMap.h
82992 0x805f32000 0x805fde000 rw- 172 172 1 0 ---- df
82992 0x805fde000 0x805fe3000 r-- 5 5 1 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/SmallBitVector.h
82992 0x805fe3000 0x805feb000 r-- 8 8 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/BitVector.h
82992 0x805feb000 0x8060b3000 rw- 200 200 1 0 ---- df
82992 0x8060b3000 0x8060b8000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/SmallPtrSet.h
82992 0x8060b8000 0x806165000 rw- 173 173 1 0 ---- df
82992 0x806165000 0x806171000 r-- 12 12 2 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/set
82992 0x806171000 0x80618a000 r-- 25 25 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/__tree
82992 0x80618a000 0x806329000 rw- 415 415 1 0 ---- df
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82992 0x806335000 0x80633b000 r-- 6 6 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/CallSite.h
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82992 0x806344000 0x806365000 rw- 33 33 1 0 ---- df
82992 0x806365000 0x80636d000 r-- 8 8 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/FoldingSet.h
82992 0x80636d000 0x80638e000 rw- 33 33 1 0 ---- df
82992 0x80638e000 0x806397000 r-- 9 9 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/bitset
82992 0x806397000 0x8063fa000 rw- 99 99 1 0 ---- df
82992 0x8063fa000 0x80640c000 r-- 18 18 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/map
82992 0x80640c000 0x8065aa000 rw- 413 413 1 0 ---- df
82992 0x8065aa000 0x8065b1000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Function.h
82992 0x8065b1000 0x8065b6000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/Twine.h
82992 0x8065b6000 0x806653000 rw- 157 157 1 0 ---- df
82992 0x806653000 0x80665b000 r-- 8 8 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Value.h
82992 0x80665b000 0x8066be000 rw- 99 99 1 0 ---- df
82992 0x8066be000 0x8066c3000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/BasicBlock.h
82992 0x8066c3000 0x8066f1000 rw- 46 46 1 0 ---- df
82992 0x8066f1000 0x8066f8000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Instruction.h
82992 0x8066f8000 0x806704000 r-- 12 12 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Metadata.h
82992 0x806704000 0x8067cb000 rw- 199 199 1 0 ---- df
82992 0x8067cb000 0x8067dc000 r-- 17 17 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Support/CommandLine.h
82992 0x8067dc000 0x806ddd000 rw- 1536 1536 1 0 --S- df
82992 0x806ddd000 0x806de2000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/DerivedTypes.h
82992 0x806de2000 0x806de7000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Type.h
82992 0x806de7000 0x806ec9000 rw- 225 225 1 0 ---- df
82992 0x806ec9000 0x806ecf000 r-- 6 6 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/GlobalValue.h
82992 0x806ecf000 0x807034000 rw- 357 357 1 0 ---- df
82992 0x807034000 0x807044000 r-- 16 16 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/InstrTypes.h
82992 0x807044000 0x8071ff000 rw- 443 443 1 0 ---- df
82992 0x8071ff000 0x80722e000 r-- 47 47 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Instructions.h
82992 0x80722e000 0x80769d000 rw- 1134 1134 1 0 ---- df
82992 0x80769d000 0x8076a4000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/ADT/Triple.h
82992 0x8076a4000 0x807722000 rw- 126 126 1 0 ---- df
82992 0x807722000 0x80772b000 r-- 9 9 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Module.h
82992 0x80772b000 0x807744000 rw- 25 25 1 0 ---- df
82992 0x807744000 0x807749000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/DataLayout.h
82992 0x807749000 0x80776a000 rw- 33 33 1 0 ---- df
82992 0x80776a000 0x80776f000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/InitializePasses.h
82992 0x80776f000 0x807874000 rw- 261 261 1 0 ---- df
82992 0x807874000 0x807879000 r-- 5 5 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/mutex
82992 0x807879000 0x807880000 rw- 7 7 1 0 ---- df
82992 0x807880000 0x80788b000 r-- 11 11 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/chrono
82992 0x80788b000 0x8078a0000 rw- 21 21 1 0 ---- df
82992 0x8078a0000 0x8078a5000 r-- 5 5 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/ratio
82992 0x8078a5000 0x807967000 rw- 194 194 1 0 ---- df
82992 0x807967000 0x80796d000 r-- 6 6 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/system_error
82992 0x80796d000 0x8086f5000 rw- 3463 3463 1 0 --S- df
82992 0x8086f5000 0x808703000 r-- 14 14 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/PassManager.h
82992 0x808703000 0x808708000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Support/raw_ostream.h
82992 0x808708000 0x80875d000 rw- 84 84 1 0 ---- df
82992 0x80875d000 0x808770000 r-- 19 19 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/list
82992 0x808770000 0x808b69000 rw- 1016 1016 1 0 ---- df
82992 0x808b69000 0x808b75000 r-- 12 12 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/Analysis/TargetLibraryInfo.def
82992 0x808b75000 0x808dd8000 rw- 610 610 1 0 ---- df
82992 0x808dd8000 0x808de4000 r-- 12 12 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/ISDOpcodes.h
82992 0x808de4000 0x808e22000 rw- 62 62 1 0 ---- df
82992 0x808e22000 0x808e2a000 r-- 8 8 2 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/MachineFrameInfo.h
82992 0x808e2a000 0x808f2e000 rw- 260 260 1 0 ---- df
82992 0x808f2e000 0x808f37000 r-- 9 9 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/MachineFunction.h
82992 0x808f37000 0x808f3f000 rw- 8 8 1 0 ---- df
82992 0x808f3f000 0x808f49000 r-- 10 10 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/MachineBasicBlock.h
82992 0x808f49000 0x808f58000 r-- 15 15 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/MachineInstr.h
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82992 0x808f61000 0x808fd3000 rw- 114 114 1 0 ---- df
82992 0x808fd3000 0x808fdc000 r-- 9 9 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/MachineValueType.h
82992 0x808fdc000 0x809000000 rw- 36 36 1 0 ---- df
82992 0x809000000 0x809217000 r-- 535 544 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/lib/clang/libllvm/llvm/IR/Intrinsics.gen
82992 0x809217000 0x8096cb000 rw- 1204 1204 1 0 ---- df
82992 0x8096cb000 0x8096d0000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/TargetOpcodes.def
82992 0x8096d0000 0x8096d7000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/MC/MCInstrDesc.h
82992 0x8096d7000 0x8096de000 r-- 7 7 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/MC/MCRegisterInfo.h
82992 0x8096de000 0x809760000 rw- 130 130 1 0 ---- df
82992 0x809760000 0x809765000 r-- 5 5 6 0 CN-- vn /local/obj/local/HEAD/src/amd64.amd64/tmp/usr/include/c++/v1/numeric
82992 0x809765000 0x809922000 rw- 445 445 1 0 ---- df
82992 0x809922000 0x809927000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/ValueHandle.h
82992 0x809927000 0x809a95000 rw- 366 366 1 0 ---- df
82992 0x809a95000 0x809a9a000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/MC/MCDwarf.h
82992 0x809a9a000 0x809adb000 rw- 65 65 1 0 ---- df
82992 0x809adb000 0x809ae1000 r-- 6 6 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/MC/MCFragment.h
82992 0x809ae1000 0x809ae6000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/MC/MCExpr.h
82992 0x809ae6000 0x80a10f000 rw- 1577 1577 1 0 --S- df
82992 0x80a10f000 0x80a115000 r-- 6 6 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/RuntimeLibcalls.def
82992 0x80a115000 0x80a397000 rw- 428 428 1 0 ---- df
82992 0x80a397000 0x80a3a9000 r-- 18 18 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/SelectionDAG.h
82992 0x80a3a9000 0x80a3bd000 r-- 20 20 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
82992 0x80a3bd000 0x80a3ca000 r-- 13 13 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Constants.h
82992 0x80a3ca000 0x80ab87000 rw- 1981 1981 1 0 --S- df
82992 0x80ab87000 0x80abad000 r-- 38 38 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/TargetLowering.h
82992 0x80abad000 0x80ac2e000 rw- 129 129 1 0 ---- df
82992 0x80ac2e000 0x80ac43000 r-- 21 21 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/IRBuilder.h
82992 0x80ac43000 0x80ac48000 r-- 5 5 6 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/IR/Operator.h
82992 0x80ac48000 0x80b0ec000 rw- 1186 1186 1 0 --S- df
82992 0x80b0ec000 0x80b0f8000 r-- 12 12 3 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/TargetRegisterInfo.h
82992 0x80b0f8000 0x80b212000 rw- 282 282 1 0 ---- df
82992 0x80b212000 0x80b217000 r-- 5 5 4 0 CN-- vn /local/HEAD/src/contrib/llvm/include/llvm/CodeGen/Passes.h
82992 0x80b217000 0x8124ca000 rw- 28093 40749 33 0 --S- df
82992 0x8124ca000 0x8124cc000 rw- 2 2 1 0 ---- df
82992 0x8124cc000 0x81316f000 rw- 3228 40749 33 0 --S- df
82992 0x81316f000 0x813345000 rw- 453 453 1 0 ---- df
82992 0x813345000 0x81479f000 rw- 5207 40749 33 0 --S- df
82992 0x81479f000 0x8147a1000 rw- 2 2 1 0 ---- df
82992 0x8147a1000 0x8147a2000 rw- 1 40749 33 0 ---- df
82992 0x8147a2000 0x8147a3000 rw- 1 1 1 0 ---- df
82992 0x8147a3000 0x8147dd000 rw- 57 40749 33 0 ---- df
82992 0x8147dd000 0x8147df000 rw- 2 2 1 0 ---- df
82992 0x8147df000 0x8147e6000 rw- 7 40749 33 0 ---- df
82992 0x8147e6000 0x8147e8000 rw- 2 2 1 0 ---- df
82992 0x8147e8000 0x814820000 rw- 55 40749 33 0 ---- df
82992 0x814820000 0x814821000 rw- 1 1 1 0 ---- df
82992 0x814821000 0x814822000 rw- 1 40749 33 0 ---- df
82992 0x814822000 0x814823000 rw- 1 1 1 0 ---- df
82992 0x814823000 0x814825000 rw- 2 40749 33 0 ---- df
82992 0x814825000 0x814826000 rw- 1 1 1 0 ---- df
82992 0x814826000 0x814838000 rw- 18 40749 33 0 ---- df
82992 0x814838000 0x81483a000 rw- 2 2 1 0 ---- df
82992 0x81483a000 0x814852000 rw- 24 40749 33 0 ---- df
82992 0x814852000 0x814853000 rw- 1 1 1 0 ---- df
82992 0x814853000 0x81487e000 rw- 43 40749 33 0 ---- df
82992 0x81487e000 0x81487f000 rw- 1 1 1 0 ---- df
82992 0x81487f000 0x81493e000 rw- 181 40749 33 0 ---- df
82992 0x81493e000 0x814940000 rw- 2 2 1 0 ---- df
82992 0x814940000 0x81494d000 rw- 13 40749 33 0 ---- df
82992 0x81494d000 0x81494f000 rw- 2 2 1 0 ---- df
82992 0x81494f000 0x81495f000 rw- 16 40749 33 0 ---- df
82992 0x81495f000 0x814960000 rw- 1 1 1 0 ---- df
82992 0x814960000 0x814969000 rw- 9 40749 33 0 ---- df
82992 0x814969000 0x81496b000 rw- 2 2 1 0 ---- df
82992 0x81496b000 0x814984000 rw- 20 40749 33 0 ---- df
82992 0x814984000 0x814985000 rw- 1 1 1 0 ---- df
82992 0x814985000 0x814996000 rw- 16 40749 33 0 ---- df
82992 0x814996000 0x814997000 rw- 1 1 1 0 ---- df
82992 0x814997000 0x8149bc000 rw- 37 40749 33 0 ---- df
82992 0x8149bc000 0x8149be000 rw- 2 2 1 0 ---- df
82992 0x8149be000 0x8149d1000 rw- 19 40749 33 0 ---- df
82992 0x8149d1000 0x8149d2000 rw- 1 1 1 0 ---- df
82992 0x8149d2000 0x814a02000 rw- 48 40749 33 0 ---- df
82992 0x814a02000 0x814a04000 rw- 2 2 1 0 ---- df
82992 0x814a04000 0x814a50000 rw- 76 40749 33 0 ---- df
82992 0x814a50000 0x814a51000 rw- 1 1 1 0 ---- df
82992 0x814a51000 0x814a54000 rw- 3 40749 33 0 ---- df
82992 0x814a54000 0x814a56000 rw- 2 2 1 0 ---- df
82992 0x814a56000 0x814a63000 rw- 13 40749 33 0 ---- df
82992 0x814a63000 0x814a64000 rw- 1 1 1 0 ---- df
82992 0x814a64000 0x814a9b000 rw- 54 40749 33 0 ---- df
82992 0x814a9b000 0x814a9c000 rw- 1 1 1 0 ---- df
82992 0x814a9c000 0x814ab1000 rw- 21 40749 33 0 ---- df
82992 0x814ab1000 0x814ab2000 rw- 1 1 1 0 ---- df
82992 0x814ab2000 0x814abf000 rw- 13 40749 33 0 ---- df
82992 0x814abf000 0x814ac1000 rw- 2 2 1 0 ---- df
82992 0x814ac1000 0x814ad9000 rw- 24 40749 33 0 ---- df
82992 0x814ad9000 0x814adb000 rw- 2 2 1 0 ---- df
82992 0x814adb000 0x814af2000 rw- 23 40749 33 0 ---- df
82992 0x814af2000 0x814af3000 rw- 1 1 1 0 ---- df
82992 0x814af3000 0x814af9000 rw- 6 40749 33 0 ---- df
82992 0x814af9000 0x814afc000 rw- 3 3 1 0 ---- df
82992 0x814afc000 0x814b29000 rw- 44 40749 33 0 ---- df
82992 0x814b29000 0x814b2b000 rw- 2 2 1 0 ---- df
82992 0x814b2b000 0x814e60000 rw- 816 40749 33 0 --S- df
82992 0x814e60000 0x815136000 rw- 706 706 1 0 ---- df
82992 0x815fce000 0x8169cf000 rw- 2561 40749 33 0 --S- df
82992 0x7fffdfffe000 0x7fffdffff000 --- 0 0 0 0 ---- --
82992 0x7fffdffff000 0x7ffffffbf000 --- 0 0 0 0 ---- --
82992 0x7ffffffbf000 0x7ffffffdf000 rw- 8 8 1 0 ---D df
82992 0x7ffffffdf000 0x7ffffffff000 rw- 32 32 1 0 ---D df
82992 0x7ffffffff000 0x800000000000 r-x 1 1 63 0 ---- ph

Event Timeline

alc created this paste.Jul 29 2018, 4:45 AM
alc created this object in space S1 Global.
alc added a comment.Jul 29 2018, 5:17 AM

With jemalloc no longer allocating anonymous memory in large, aligned chunks, we wind up with slivers of anonymous memory between memory mapped files. Moreover, even the largest, contiguous anonymous memory region is being fragmented by the muzzy decay mechanism.

alc mentioned this in D16501: Enable vm object coalescing when OBJ_ONEMAPPING is set.Jul 29 2018, 7:42 PM
alc mentioned this in D5603: ASLR.Nov 16 2018, 6:32 PM