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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; return true;
} }
static bool getCoreCount(int * cores, int * procs) static bool getCoreCount(int * cores, int * procs, int * sockets)
{ {
if (!cores && !procs) if (!cores && !procs)
return true; return true;
DWORD cb = 0; DWORD cb = 0;
GetLogicalProcessorInformationEx(RelationProcessorCore, NULL, &cb); GetLogicalProcessorInformationEx(RelationAll, NULL, &cb);
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{ {
DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError()); DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError());
@ -62,7 +62,7 @@ static bool getCoreCount(int * cores, int * procs)
} }
BYTE buffer[cb]; BYTE buffer[cb];
if (!GetLogicalProcessorInformationEx(RelationProcessorCore, if (!GetLogicalProcessorInformationEx(RelationAll,
(PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) buffer, &cb)) (PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) buffer, &cb))
{ {
DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError()); DEBUG_WINERROR("Failed to call GetLogicalProcessorInformationEx", GetLastError());
@ -75,19 +75,32 @@ static bool getCoreCount(int * cores, int * procs)
if (procs) if (procs)
*procs = 0; *procs = 0;
if (sockets)
*sockets = 0;
DWORD offset = 0; DWORD offset = 0;
while (offset < cb) while (offset < cb)
{ {
PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX lpi = PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX lpi =
(PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) (buffer + offset); (PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) (buffer + offset);
if (lpi->Relationship == RelationProcessorCore) switch (lpi->Relationship)
{ {
case RelationProcessorCore:
if (cores) if (cores)
++*cores; ++*cores;
if (procs) if (procs)
for (int i = 0; i < lpi->Processor.GroupCount; ++i) for (int i = 0; i < lpi->Processor.GroupCount; ++i)
*procs += __builtin_popcount(lpi->Processor.GroupMask[i].Mask); *procs += __builtin_popcount(lpi->Processor.GroupMask[i].Mask);
break;
case RelationProcessorPackage:
if (sockets)
++*sockets;
break;
default:
break;
} }
offset += lpi->Size; 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, bool lgCPUInfo(char * model, size_t modelSize, int * procs, int * cores,
int * sockets) int * sockets)
{ {
if (sockets) return getCPUModel(model, modelSize) && getCoreCount(cores, procs, sockets);
*sockets = 1;
return getCPUModel(model, modelSize) && getCoreCount(cores, procs);
} }