void save_stack_trace ()
{
if (!g_mem_alloc_gather_stats)
return;
if (::Random.randF() >= g_mem_alloc_gather_stats_frequency)
return;
// OutputDebugStackTrace ("----------------------------------------------------");
BuildStackTrace ();
if (g_stackTraceCount <= 2)
return;
u32 accumulator = 0;
VERIFY (g_stackTraceCount > 2);
int *lengths = (int*)_alloca((g_stackTraceCount - 2)*sizeof(int));
{
int *I = lengths;
for (int i=2; i<g_stackTraceCount; ++i, ++I) {
*I = xr_strlen(g_stackTrace[i]);
accumulator += u32((*I)*sizeof(char) + 1);
}
}
PSTR string = (PSTR)malloc(accumulator);
{
PSTR J = string;
VERIFY (g_stackTraceCount > 2);
int *I = lengths;
for (int i=2; i<g_stackTraceCount; ++i, ++I, ++J) {
memcpy (J,g_stackTrace[i],*I);
J += *I;
*J = '\n';
}
*--J = 0;
}
boost::crc_32_type temp;
temp.process_block (string,string + accumulator);
u32 crc = temp.checksum();
STATS::iterator I = stats.find(crc);
STATS::iterator E = stats.end();
for ( ; I != E; ++I) {
if ((*I).first != crc)
break;
if (xr_strcmp((*I).second.first,string))
continue;
++((*I).second.second);
return;
}
stats.insert (std::make_pair(crc,std::make_pair(string,1)));
}
IC void CSmartCastStats::add (LPCSTR from, LPCSTR to)
{
CStats temp(from,to,1);
STATS::iterator I = m_stats.find(temp);
if (I == m_stats.end())
m_stats.insert (temp);
else
++(const_cast<CStats&>(*I).m_count);
}