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Record more CPU information #478

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994e0be
Record more CPU information
ChunYen-Chen Jul 7, 2025
2990c8f
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ChunYen-Chen Jul 9, 2025
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25 changes: 23 additions & 2 deletions src/Auxiliary/Aux_GetCPUInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,11 @@ void Aux_GetCPUInfo( const char *FileName )
FILE *Note = fopen( FileName, "a" );
char *line = NULL;
size_t len = 0;
char String[2][100];
char String[2][MAX_STRING];
char Trash[MAX_STRING];
int SocketNow = -1, SocketPrevious = -1;
int CorePerSocket = 0, NSocket = 0;
bool GotFirstCPUInfo = false;


// 1. get the CPU info
Expand All @@ -40,6 +44,18 @@ void Aux_GetCPUInfo( const char *FileName )
{
sscanf( line, "%s%s", String[0], String[1] );

if ( strcmp( String[0], "physical" ) == 0 && strcmp( String[1], "id" ) == 0 )
{
sscanf( line, "%s%s%s%d", String[0], String[1], Trash, &SocketNow );
if ( SocketNow != SocketPrevious )
{
SocketPrevious = SocketNow;
NSocket++;
}
}

if ( GotFirstCPUInfo ) continue;

if ( strcmp( String[0], "model" ) == 0 && strcmp( String[1], "name" ) == 0 )
{
memcpy( line, "CPU Type ", 10 );
Expand All @@ -62,7 +78,8 @@ void Aux_GetCPUInfo( const char *FileName )
{
memcpy( line, "CPU Cores", 9 );
fprintf( Note, "%s", line );
break;
sscanf( line, "%s%s%s%d", String[0], String[1], Trash, &CorePerSocket );
GotFirstCPUInfo = true;
}
}

Expand All @@ -72,6 +89,10 @@ void Aux_GetCPUInfo( const char *FileName )
line = NULL;
}

fprintf( Note, "%-16s: %d\n", "Socket(s)", NSocket );
// assuming the CPUs in the node are the same
fprintf( Note, "%-16s: %d\n", "Core(s) per Node", CorePerSocket*NSocket );

fclose( CPUInfo );


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