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[client] cpuinfo: implement CPU socket count for Windows

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Quantum 2022-01-07 03:17:46 -05:00 committed by Geoffrey McRae
parent a40a964b30
commit 2099161b7e
1 changed files with 23 additions and 13 deletions
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26
common/src/platform/windows/cpuinfo.c
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@ -48,13 +48,13 @@ static bool getCPUModel(char * model, size_t modelSize)
return true;
}
static bool getCoreCount(int * cores, int * procs)
static bool getCoreCount(int * cores, int * procs, int * sockets)
{
if (!cores && !procs)
return true;
DWORD cb = 0;
GetLogicalProcessorInformationEx(RelationProcessorCore, NULL, &cb);
GetLogicalProcessorInformationEx(RelationAll, NULL, &cb);
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError());
@ -62,7 +62,7 @@ static bool getCoreCount(int * cores, int * procs)
}
BYTE buffer[cb];
if (!GetLogicalProcessorInformationEx(RelationProcessorCore,
if (!GetLogicalProcessorInformationEx(RelationAll,
(PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) buffer, &cb))
{
DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError());
@ -75,19 +75,32 @@ static bool getCoreCount(int * cores, int * procs)
if (procs)
*procs = 0;
if (sockets)
*sockets = 0;
DWORD offset = 0;
while (offset < cb)
{
PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX lpi =
(PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) (buffer + offset);
if (lpi->Relationship == RelationProcessorCore)
switch (lpi->Relationship)
{
case RelationProcessorCore:
if (cores)
++*cores;
if (procs)
for (int i = 0; i < lpi->Processor.GroupCount; ++i)
*procs += __builtin_popcount(lpi->Processor.GroupMask[i].Mask);
break;
case RelationProcessorPackage:
if (sockets)
++*sockets;
break;
default:
break;
}
offset += lpi->Size;
}
@ -98,8 +111,5 @@ static bool getCoreCount(int * cores, int * procs)
bool lgCPUInfo(char * model, size_t modelSize, int * procs, int * cores,
int * sockets)
{
if (sockets)
*sockets = 1;
return getCPUModel(model, modelSize) && getCoreCount(cores, procs);
return getCPUModel(model, modelSize) && getCoreCount(cores, procs, sockets);
}