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[scudo] Remove ResidentMemorySize test. #145955

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[scudo] Remove ResidentMemorySize test. #145955

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37 changes: 0 additions & 37 deletions compiler-rt/lib/scudo/standalone/tests/common_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,43 +16,6 @@

namespace scudo {

static uptr getResidentMemorySize() {
if (!SCUDO_LINUX)
UNREACHABLE("Not implemented!");
uptr Size;
uptr Resident;
std::ifstream IFS("/proc/self/statm");
IFS >> Size;
IFS >> Resident;
return Resident * getPageSizeCached();
}

// Fuchsia needs getResidentMemorySize implementation.
TEST(ScudoCommonTest, SKIP_ON_FUCHSIA(ResidentMemorySize)) {
uptr OnStart = getResidentMemorySize();
EXPECT_GT(OnStart, 0UL);

const uptr Size = 1ull << 30;
const uptr Threshold = Size >> 3;

MemMapT MemMap;
ASSERT_TRUE(MemMap.map(/*Addr=*/0U, Size, "ResidentMemorySize"));
ASSERT_NE(MemMap.getBase(), 0U);
void *P = reinterpret_cast<void *>(MemMap.getBase());
EXPECT_LT(getResidentMemorySize(), OnStart + Threshold);

memset(P, 1, Size);
EXPECT_GT(getResidentMemorySize(), OnStart + Size - Threshold);

MemMap.releasePagesToOS(MemMap.getBase(), Size);
EXPECT_LT(getResidentMemorySize(), OnStart + Threshold);

memset(P, 1, Size);
EXPECT_GT(getResidentMemorySize(), OnStart + Size - Threshold);

MemMap.unmap();
}

TEST(ScudoCommonTest, Zeros) {
const uptr Size = 1ull << 20;

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