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ntdll/tests: Add RtlQueryPerformanceCounter tests.

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Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-03-18 17:22:06 +01:00 committed by Alexandre Julliard
parent ec5bd49bf8
commit d9d478e277
2 changed files with 112 additions and 0 deletions
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111
dlls/ntdll/tests/time.c
View File

@ -19,8 +19,10 @@
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntdll_test.h"
#include "ddk/wdm.h"
#include "intrin.h"
#define TICKSPERSEC 10000000
#define TICKSPERMSEC 10000
@ -35,6 +37,9 @@ static NTSTATUS (WINAPI *pRtlQueryTimeZoneInformation)( RTL_TIME_ZONE_INFORMATIO
static NTSTATUS (WINAPI *pRtlQueryDynamicTimeZoneInformation)( RTL_DYNAMIC_TIME_ZONE_INFORMATION *);
static BOOL (WINAPI *pRtlQueryUnbiasedInterruptTime)( ULONGLONG *time );
static BOOL (WINAPI *pRtlQueryPerformanceCounter)(LARGE_INTEGER*);
static BOOL (WINAPI *pRtlQueryPerformanceFrequency)(LARGE_INTEGER*);
static const int MonthLengths[2][12] =
{
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
@ -122,6 +127,107 @@ static void test_NtQueryPerformanceCounter(void)
ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %08x\n", status);
}
#if defined(__i386__) || defined(__x86_64__)
struct hypervisor_shared_data
{
UINT64 unknown;
UINT64 QpcMultiplier;
UINT64 QpcBias;
};
/* 128-bit multiply a by b and return the high 64 bits, same as __umulh */
static UINT64 multiply_tsc(UINT64 a, UINT64 b)
{
UINT64 ah = a >> 32, al = (UINT32)a, bh = b >> 32, bl = (UINT32)b, m;
m = (ah * bl) + (bh * al) + ((al * bl) >> 32);
return (ah * bh) + (m >> 32);
}
static void test_RtlQueryPerformanceCounter(void)
{
struct hypervisor_shared_data *hsd;
KSHARED_USER_DATA *usd = (void *)0x7ffe0000;
LARGE_INTEGER frequency, counter;
NTSTATUS status;
UINT64 tsc0, tsc1;
ULONG len;
BOOL ret;
if (!pRtlQueryPerformanceCounter || !pRtlQueryPerformanceFrequency)
{
win_skip( "RtlQueryPerformanceCounter/Frequency not available, skipping tests\n" );
return;
}
if (!(usd->u3.s.QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED))
{
todo_wine win_skip("QpcBypassEnabled is not set, skipping tests\n");
return;
}
if ((usd->u3.s.QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE))
{
ok( usd->u3.s.QpcBypassEnabled == (SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_RDTSCP),
"unexpected QpcBypassEnabled %x, expected 0x83\n", usd->u3.s.QpcBypassEnabled );
ok( usd->QpcFrequency == 10000000, "unexpected QpcFrequency %I64d, expected 10000000\n", usd->QpcFrequency );
ok( !usd->u3.s.QpcShift, "unexpected QpcShift %d, expected 0\n", usd->u3.s.QpcShift );
ok( usd->QpcInterruptTimeIncrement == ((ULONGLONG)1 << 63),
"unexpected QpcInterruptTimeIncrement %I64x, expected 1<<63\n", usd->QpcInterruptTimeIncrement );
ok( usd->QpcInterruptTimeIncrementShift == 1,
"unexpected QpcInterruptTimeIncrementShift %d, expected 1\n", usd->QpcInterruptTimeIncrementShift );
ok( usd->QpcSystemTimeIncrement == ((ULONGLONG)1 << 63),
"unexpected QpcSystemTimeIncrement %I64x, expected 1<<63\n", usd->QpcSystemTimeIncrement );
ok( usd->QpcSystemTimeIncrementShift == 1,
"unexpected QpcSystemTimeIncrementShift %d, expected 1\n", usd->QpcSystemTimeIncrementShift );
hsd = NULL;
status = pNtQuerySystemInformation( SystemHypervisorSharedPageInformation, &hsd, sizeof(void *), &len );
ok( !status, "NtQuerySystemInformation returned %x\n", status );
ok( len == sizeof(void *), "unexpected SystemHypervisorSharedPageInformation length %u\n", len );
ok( !!hsd, "unexpected SystemHypervisorSharedPageInformation address %p\n", hsd );
tsc0 = __rdtsc();
ret = pRtlQueryPerformanceCounter( &counter );
tsc1 = __rdtsc();
ok( ret, "RtlQueryPerformanceCounter failed\n" );
tsc0 = multiply_tsc(tsc0, hsd->QpcMultiplier) + hsd->QpcBias + usd->QpcBias;
tsc1 = multiply_tsc(tsc1, hsd->QpcMultiplier) + hsd->QpcBias + usd->QpcBias;
ok( tsc0 <= counter.QuadPart, "rdtscp %I64d and RtlQueryPerformanceCounter %I64d are out of order\n", tsc0, counter.QuadPart );
ok( counter.QuadPart <= tsc1, "RtlQueryPerformanceCounter %I64d and rdtscp %I64d are out of order\n", counter.QuadPart, tsc1 );
}
else
{
ok( usd->u3.s.QpcShift == 10, "unexpected QpcShift %d, expected 10\n", usd->u3.s.QpcShift );
ok( usd->QpcInterruptTimeIncrementShift == 2,
"unexpected QpcInterruptTimeIncrementShift %d, expected 2\n", usd->QpcInterruptTimeIncrementShift );
ok( usd->QpcSystemTimeIncrementShift == 2,
"unexpected QpcSystemTimeIncrementShift %d, expected 2\n", usd->QpcSystemTimeIncrementShift );
tsc0 = __rdtsc();
ret = pRtlQueryPerformanceCounter( &counter );
tsc1 = __rdtsc();
ok( ret, "RtlQueryPerformanceCounter failed\n" );
tsc0 += usd->QpcBias;
tsc0 >>= usd->u3.s.QpcShift;
tsc1 += usd->QpcBias;
tsc1 >>= usd->u3.s.QpcShift;
ok( tsc0 <= counter.QuadPart, "rdtscp %I64d and RtlQueryPerformanceCounter %I64d are out of order\n", tsc0, counter.QuadPart );
ok( counter.QuadPart <= tsc1, "RtlQueryPerformanceCounter %I64d and rdtscp %I64d are out of order\n", counter.QuadPart, tsc1 );
}
ret = pRtlQueryPerformanceFrequency( &frequency );
ok( ret, "RtlQueryPerformanceFrequency failed\n" );
ok( frequency.QuadPart == usd->QpcFrequency,
"RtlQueryPerformanceFrequency returned %I64d, expected USD QpcFrequency %I64d\n",
frequency.QuadPart, usd->QpcFrequency );
}
#endif
static void test_RtlQueryTimeZoneInformation(void)
{
RTL_DYNAMIC_TIME_ZONE_INFORMATION tzinfo, tzinfo2;
@ -266,6 +372,8 @@ START_TEST(time)
pRtlQueryDynamicTimeZoneInformation =
(void *)GetProcAddress(mod, "RtlQueryDynamicTimeZoneInformation");
pRtlQueryUnbiasedInterruptTime = (void *)GetProcAddress(mod, "RtlQueryUnbiasedInterruptTime");
pRtlQueryPerformanceCounter = (void *)GetProcAddress(mod, "RtlQueryPerformanceCounter");
pRtlQueryPerformanceFrequency = (void *)GetProcAddress(mod, "RtlQueryPerformanceFrequency");
if (pRtlTimeToTimeFields && pRtlTimeFieldsToTime)
test_pRtlTimeToTimeFields();
@ -274,4 +382,7 @@ START_TEST(time)
test_NtQueryPerformanceCounter();
test_RtlQueryTimeZoneInformation();
test_user_shared_data_time();
#if defined(__i386__) || defined(__x86_64__)
test_RtlQueryPerformanceCounter();
#endif
}

1
include/winternl.h
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@ -1551,6 +1551,7 @@ typedef enum _SYSTEM_INFORMATION_CLASS {
SystemFileCacheInformationEx = 81,
SystemDynamicTimeZoneInformation = 102,
SystemLogicalProcessorInformationEx = 107,
SystemHypervisorSharedPageInformation = 197,
SystemInformationClassMax
} SYSTEM_INFORMATION_CLASS, *PSYSTEM_INFORMATION_CLASS;