void leaky::analyze(int thread)
{
int *countArray = new int[usefulSymbols];
int *flagArray = new int[usefulSymbols];
//Zero our function call counter
memset(countArray, 0, sizeof(countArray[0])*usefulSymbols);
// reset hit counts
for(int i=0; i<usefulSymbols; i++) {
externalSymbols[i]->timerHit = 0;
externalSymbols[i]->regClear();
}
// The flag array is used to prevent counting symbols multiple times
// if functions are called recursively. In order to keep from having
// to zero it on each pass through the loop, we mark it with the value
// of stacks on each trip through the loop. This means we can determine
// if we have seen this symbol for this stack trace w/o having to reset
// from the prior stacktrace.
memset(flagArray, -1, sizeof(flagArray[0])*usefulSymbols);
if (cleo)
fprintf(outputfd,"m-Start\n");
// This loop walks through all the call stacks we recorded
// --last, --start and --end can restrict it, as can excludes/includes
stacks = 0;
for(malloc_log_entry* lep=firstLogEntry;
lep < lastLogEntry;
lep = reinterpret_cast<malloc_log_entry*>(&lep->pcs[lep->numpcs])) {
if ((thread != 0 && lep->thread != thread) ||
excluded(lep) || !included(lep))
{
continue;
}
++stacks; // How many stack frames did we collect
u_int n = (lep->numpcs < stackDepth) ? lep->numpcs : stackDepth;
char** pcp = &lep->pcs[n-1];
int idx=-1, parrentIdx=-1; // Init idx incase n==0
if (cleo) {
// This loop walks through every symbol in the call stack. By walking it
// backwards we know who called the function when we get there.
char type = 's';
for (int i=n-1; i>=0; --i, --pcp) {
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if(idx>=0) {
// Skip over bogus __restore_rt frames that realtime profiling
// can introduce.
if (i > 0 && !strcmp(externalSymbols[idx]->name, "__restore_rt")) {
--pcp;
--i;
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if (idx < 0) {
continue;
}
}
Symbol **sp=&externalSymbols[idx];
char *symname = htmlify((*sp)->name);
fprintf(outputfd,"%c-%s\n",type,symname);
delete [] symname;
}
// else can't find symbol - ignore
type = 'c';
}
} else {
// This loop walks through every symbol in the call stack. By walking it
// backwards we know who called the function when we get there.
for (int i=n-1; i>=0; --i, --pcp) {
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if(idx>=0) {
// Skip over bogus __restore_rt frames that realtime profiling
// can introduce.
if (i > 0 && !strcmp(externalSymbols[idx]->name, "__restore_rt")) {
--pcp;
--i;
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if (idx < 0) {
continue;
}
}
// If we have not seen this symbol before count it and mark it as seen
if(flagArray[idx]!=stacks && ((flagArray[idx]=stacks) || true)) {
++countArray[idx];
}
// We know who we are and we know who our parrent is. Count this
if(parrentIdx>=0) {
externalSymbols[parrentIdx]->regChild(idx);
externalSymbols[idx]->regParrent(parrentIdx);
}
// inside if() so an unknown in the middle of a stack won't break
// the link!
parrentIdx=idx;
}
}
// idx should be the function that we were in when we received the signal.
if(idx>=0) {
++externalSymbols[idx]->timerHit;
}
}
}
if (!cleo)
generateReportHTML(outputfd, countArray, stacks, thread);
}
void leaky::analyze()
{
int *countArray = new int[usefulSymbols];
int *flagArray = new int[usefulSymbols];
//Zero our function call counter
memset(countArray, 0, sizeof(countArray[0])*usefulSymbols);
// The flag array is used to prevent counting symbols multiple times
// if functions are called recursively. In order to keep from having
// to zero it on each pass through the loop, we mark it with the value
// of stacks on each trip through the loop. This means we can determine
// if we have seen this symbol for this stack trace w/o having to reset
// from the prior stacktrace.
memset(flagArray, -1, sizeof(flagArray[0])*usefulSymbols);
// This loop walks through all the call stacks we recorded
stacks = 0;
for(malloc_log_entry* lep=firstLogEntry;
lep < lastLogEntry;
lep = reinterpret_cast<malloc_log_entry*>(&lep->pcs[lep->numpcs])) {
if (excluded(lep) || !included(lep))
continue;
++stacks; // How many stack frames did we collect
// This loop walks through every symbol in the call stack. By walking it
// backwards we know who called the function when we get there.
u_int n = (lep->numpcs < stackDepth) ? lep->numpcs : stackDepth;
char** pcp = &lep->pcs[n-1];
int idx=-1, parrentIdx=-1; // Init idx incase n==0
for(int i=n-1; i>=0; --i, --pcp, parrentIdx=idx) {
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if(idx>=0) {
// Skip over bogus __restore_rt frames that realtime profiling
// can introduce.
if (i > 0 && !strcmp(externalSymbols[idx].name, "__restore_rt")) {
--pcp;
--i;
idx = findSymbolIndex(reinterpret_cast<u_long>(*pcp));
if (idx < 0) {
continue;
}
}
// If we have not seen this symbol before count it and mark it as seen
if(flagArray[idx]!=stacks && ((flagArray[idx]=stacks) || true)) {
++countArray[idx];
}
// We know who we are and we know who our parrent is. Count this
if(parrentIdx>=0) {
externalSymbols[parrentIdx].regChild(idx);
externalSymbols[idx].regParrent(parrentIdx);
}
}
}
// idx should be the function that we were in when we recieved the signal.
if(idx>=0) {
++externalSymbols[idx].timerHit;
}
}
generateReportHTML(stdout, countArray, stacks);
}
