mask_type get_thread_affinity_mask_from_lva(
naming::address::address_type lva
, error_code& ec = throws
) const
{ // {{{
PSAPI_WORKING_SET_EX_INFORMATION info;
info.VirtualAddress = reinterpret_cast<void*>(lva);
if (!QueryWorkingSetEx(GetCurrentProcess(), &info, sizeof(info)))
{
HPX_THROWS_IF(ec, kernel_error
, "hpx::threads::windows_topology::get_thread_affinity_mask_from_lva"
, "failed to get thread affinity mask");
}
if (ec)
return 0;
ULONGLONG mask = 0;
if (!GetNumaNodeProcessorMask(info.VirtualAttributes.Node, &mask))
{
HPX_THROWS_IF(ec, kernel_error
, "hpx::threads::windows_topology::get_thread_affinity_mask_from_lva"
, "failed to get thread affinity mask");
}
if (ec)
return 0;
else if (&ec != &throws)
ec = make_success_code();
return static_cast<std::size_t>(mask);
} // }}}
bool ProcessInfo::blockInMemory( char * start ) {
#if 0
// code for printing out page fault addresses and pc's --
// this could be useful for targetting heavy pagefault locations in the code
static BOOL bstat = InitializeProcessForWsWatch( GetCurrentProcess() );
PSAPI_WS_WATCH_INFORMATION_EX wiex[30];
DWORD bufsize = sizeof(wiex);
bstat = GetWsChangesEx( GetCurrentProcess(), &wiex[0], &bufsize );
if (bstat) {
for (int i=0; i<30; i++) {
if (wiex[i].BasicInfo.FaultingPc == 0) break;
cout << "faulting pc = " << wiex[i].BasicInfo.FaultingPc << " address = " << wiex[i].BasicInfo.FaultingVa << " thread id = " << wiex[i].FaultingThreadId << endl;
}
}
#endif
PSAPI_WORKING_SET_EX_INFORMATION wsinfo;
wsinfo.VirtualAddress = start;
BOOL result = QueryWorkingSetEx( GetCurrentProcess(), &wsinfo, sizeof(wsinfo) );
if ( result )
if ( wsinfo.VirtualAttributes.Valid )
return true;
return false;
}
