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tst: fsbench: mmap tests

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This commit is contained in:
Bill Zissimopoulos 2016-11-26 22:09:40 -08:00
parent f82cad712a
commit 6e10e0489b
1 changed files with 77 additions and 4 deletions
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81
tst/fsbench/fsbench.c
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@ -22,6 +22,7 @@
static ULONG OptFileCount = 1000;
static ULONG OptListCount = 100;
static ULONG OptRdwrCount = 100;
static ULONG OptMmapCount = 100;
static void file_create_dotest(ULONG CreateDisposition)
{
@ -198,16 +199,83 @@ static void rdwr_tests(void)
TEST(rdwr_noncached_read_test);
}
static void mmap_cached_test(void)
static void mmap_dotest(ULONG CreateDisposition, ULONG CreateFlags)
{
SYSTEM_INFO SystemInfo;
HANDLE Handle, Mapping;
BOOL Success;
WCHAR FileName[MAX_PATH];
ULONG Iterations = 1000;
PUINT8 MappedView;
GetSystemInfo(&SystemInfo);
StringCbPrintfW(FileName, sizeof FileName, L"fsbench-file");
Handle = CreateFileW(FileName,
GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
0,
CreateDisposition,
FILE_ATTRIBUTE_NORMAL | CreateFlags,
0);
ASSERT(INVALID_HANDLE_VALUE != Handle);
Mapping = CreateFileMappingW(Handle, 0, PAGE_READWRITE,
0, Iterations * SystemInfo.dwPageSize, 0);
ASSERT(0 != Mapping);
MappedView = MapViewOfFile(Mapping, FILE_MAP_ALL_ACCESS, 0, 0, 0);
ASSERT(0 != MappedView);
for (ULONG Index = 0; OptMmapCount > Index; Index++)
{
for (ULONG I = 0; Iterations > I; I++)
{
if (CREATE_NEW == CreateDisposition)
{
for (ULONG J = 0; SystemInfo.dwPageSize > J; J++)
MappedView[J] = 0;
}
else
{
ULONG Total = 0;
for (ULONG J = 0; SystemInfo.dwPageSize > J; J++)
Total += MappedView[J];
ASSERT(0 == Total);
}
}
}
Success = UnmapViewOfFile(MappedView);
ASSERT(Success);
Success = CloseHandle(Mapping);
ASSERT(Success);
Success = CloseHandle(Handle);
ASSERT(Success);
}
static void mmap_noncached_test(void)
static void mmap_cached_write_test(void)
{
mmap_dotest(CREATE_NEW, 0);
}
static void mmap_cached_read_test(void)
{
mmap_dotest(OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE);
}
static void mmap_noncached_write_test(void)
{
mmap_dotest(CREATE_NEW, 0 | FILE_FLAG_NO_BUFFERING);
}
static void mmap_noncached_read_test(void)
{
mmap_dotest(OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE | FILE_FLAG_NO_BUFFERING);
}
static void mmap_tests(void)
{
TEST(mmap_cached_test);
TEST(mmap_noncached_test);
TEST(mmap_cached_write_test);
TEST(mmap_cached_read_test);
TEST(mmap_noncached_write_test);
TEST(mmap_noncached_read_test);
}
#define rmarg(argv, argc, argi) \
@ -242,6 +310,11 @@ int main(int argc, char *argv[])
OptRdwrCount = strtoul(a + sizeof "--rdwr=" - 1, 0, 10);
rmarg(argv, argc, argi);
}
else if (0 == strncmp("--mmap=", a, sizeof "--mmap=" - 1))
{
OptMmapCount = strtoul(a + sizeof "--mmap=" - 1, 0, 10);
rmarg(argv, argc, argi);
}
}
}