/*
* Function: Four dumpBtreePage(PageID*)
*
* Description:
* dump routine.
*
* Returns:
* Error code
* some errors caused by function calls
*/
Four dumpBtreePage(
PageID *pid,
KeyDesc kdesc)
{
Four e; /* error number */
BtreePage *apage; /* page to dump */
e = BfM_GetTrain(pid, (char **)&apage, PAGE_BUF);
if (e < 0) ERR(e);
if (kdesc.kpart[0].type == SM_INT){
if (apage->any.hdr.type & INTERNAL)
dumpInternal(&(apage->bi), pid, kdesc.kpart[0].type);
else if (apage->any.hdr.type & LEAF)
dumpLeaf(&(apage->bl), pid, kdesc.kpart[0].type);
else if (apage->bo.hdr.type & OVERFLOW)
dumpOverflow(&(apage->bo), pid);
else
ERRB1(eBADBTREEPAGE_BTM, pid, PAGE_BUF);
}else if (kdesc.kpart[0].type == SM_VARSTRING){
if (apage->any.hdr.type & INTERNAL)
dumpInternal(&(apage->bi), pid, kdesc.kpart[0].type);
else if (apage->any.hdr.type & LEAF)
dumpLeaf(&(apage->bl), pid, kdesc.kpart[0].type);
else if (apage->bo.hdr.type & OVERFLOW)
dumpOverflow(&(apage->bo), pid);
else
ERRB1(eBADBTREEPAGE_BTM, pid, PAGE_BUF);
}
e = BfM_FreeTrain(pid, PAGE_BUF);
if (e < 0) ERR(e);
return(eNOERROR);
}
void SamplingRegion::sample()
{
// Make sure we lock s_current.
Locker locker;
// Create a spectrum if we don't have one already.
if (!s_spectrum)
s_spectrum = new Spectrum<const char*>();
ASSERT(s_currentOrReserved & 1);
// Walk the region stack, and record each region we see.
SamplingRegion* region = bitwise_cast<SamplingRegion*>(s_currentOrReserved & ~1);
if (region) {
for (; region; region = region->m_previous)
s_spectrum->add(region->m_name);
} else
s_noneOfTheAbove++;
if (s_numberOfSamplesSinceDump++ == SamplingThread::s_hertz) {
s_numberOfSamplesSinceDump = 0;
dumpInternal();
}
}
void SamplingRegion::dump()
{
Locker locker;
dumpInternal();
}