static int TotalEntries(PLHashEntry *he, int i, void *arg) {
BloatEntry* entry = (BloatEntry*)he->value;
if (entry && nsCRT::strcmp(entry->mClassName, "TOTAL") != 0) {
entry->Total((BloatEntry*)arg);
}
return HT_ENUMERATE_NEXT;
}
static BloatEntry*
GetBloatEntry(const char* aTypeName, uint32_t aInstanceSize)
{
if (!gBloatView) {
RecreateBloatView();
}
BloatEntry* entry = NULL;
if (gBloatView) {
entry = (BloatEntry*)PL_HashTableLookup(gBloatView, aTypeName);
if (entry == NULL && aInstanceSize > 0) {
entry = new BloatEntry(aTypeName, aInstanceSize);
PLHashEntry* e = PL_HashTableAdd(gBloatView, aTypeName, entry);
if (e == NULL) {
delete entry;
entry = NULL;
}
} else {
NS_ASSERTION(aInstanceSize == 0 ||
entry->GetClassSize() == aInstanceSize,
"bad size recorded");
}
}
return entry;
}
NS_LogCtor(void* aPtr, const char* aType, uint32_t aInstanceSize)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized)
InitTraceLog();
if (gLogging) {
LOCK_TRACELOG();
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aType, aInstanceSize);
if (entry) {
entry->Ctor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aType));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, true);
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> 0x%08X %ld Ctor (%d)\n",
aType, NS_PTR_TO_INT32(aPtr), serialno, aInstanceSize);
nsTraceRefcntImpl::WalkTheStack(gAllocLog);
}
UNLOCK_TRACELOG();
}
#endif
}
NS_LogRelease(void* aPtr, nsrefcnt aRefcnt, const char* aClass)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging == NoLogging) {
return;
}
if (aRefcnt == 0 || gLogging == FullLogging) {
LOCK_TRACELOG();
if (aRefcnt == 0 && gBloatLog) {
BloatEntry* entry = GetBloatEntry(aClass, 0);
if (entry) {
entry->Dtor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aClass));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, false);
NS_ASSERTION(serialno != 0,
"Serial number requested for unrecognized pointer! "
"Are you memmoving a refcounted object?");
int32_t* count = GetRefCount(aPtr);
if (count) {
(*count)--;
}
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (gRefcntsLog && loggingThisType && loggingThisObject) {
// Can't use PR_LOG(), b/c it truncates the line
fprintf(gRefcntsLog,
"\n<%s> %p %" PRIuPTR " Release %" PRIuPTR "\n",
aClass, aPtr, serialno, aRefcnt);
nsTraceRefcnt::WalkTheStackCached(gRefcntsLog);
fflush(gRefcntsLog);
}
// Here's the case where MOZ_COUNT_DTOR was not used,
// yet we still want to see deletion information:
if (aRefcnt == 0 && gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Destroy\n", aClass, aPtr, serialno);
nsTraceRefcnt::WalkTheStackCached(gAllocLog);
}
if (aRefcnt == 0 && gSerialNumbers && loggingThisType) {
RecycleSerialNumberPtr(aPtr);
}
UNLOCK_TRACELOG();
}
#endif
}
static BloatEntry*
GetBloatEntry(const char* aTypeName, uint32_t aInstanceSize)
{
if (!gBloatView) {
RecreateBloatView();
}
BloatEntry* entry = nullptr;
if (gBloatView) {
entry = (BloatEntry*)PL_HashTableLookup(gBloatView, aTypeName);
if (!entry && aInstanceSize > 0) {
entry = new BloatEntry(aTypeName, aInstanceSize);
PLHashEntry* e = PL_HashTableAdd(gBloatView, aTypeName, entry);
if (!e) {
delete entry;
entry = nullptr;
}
} else {
#ifdef DEBUG
static const char kMismatchedSizesMessage[] =
"Mismatched sizes were recorded in the memory leak logging table. "
"The usual cause of this is having a templated class that uses "
"MOZ_COUNT_{C,D}TOR in the constructor or destructor, respectively. "
"As a workaround, the MOZ_COUNT_{C,D}TOR calls can be moved to a "
"non-templated base class.";
NS_ASSERTION(aInstanceSize == 0 ||
entry->GetClassSize() == aInstanceSize,
kMismatchedSizesMessage);
#endif
}
}
return entry;
}
NS_LogCtor(void* aPtr, const char* aType, uint32_t aInstanceSize)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging != NoLogging) {
AutoTraceLogLock lock;
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aType, aInstanceSize);
if (entry) {
entry->Ctor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aType));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, true);
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Ctor (%d)\n",
aType, aPtr, serialno, aInstanceSize);
WalkTheStackCached(gAllocLog);
}
}
#endif
}
NS_LogCtor(void* aPtr, const char* aType, uint32_t aInstanceSize)
{
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging == NoLogging) {
return;
}
AutoTraceLogLock lock;
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aType, aInstanceSize);
if (entry) {
entry->Ctor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aType));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, true);
MOZ_ASSERT(serialno != 0, "GetSerialNumber should never return 0 when passed true");
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Ctor (%d)\n",
aType, aPtr, serialno, aInstanceSize);
WalkTheStackCached(gAllocLog);
}
}
static int DumpEntry(PLHashEntry *he, int i, void *arg) {
BloatEntry* entry = (BloatEntry*)he->value;
if (entry) {
entry->Accumulate();
static_cast<nsTArray<BloatEntry*>*>(arg)->AppendElement(entry);
}
return HT_ENUMERATE_NEXT;
}
NS_LogAddRef(void* aPtr, nsrefcnt aRefcnt,
const char* aClazz, uint32_t classSize)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized)
InitTraceLog();
if (gLogging) {
LOCK_TRACELOG();
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aClazz, classSize);
if (entry) {
entry->AddRef(aRefcnt);
}
}
// Here's the case where MOZ_COUNT_CTOR was not used,
// yet we still want to see creation information:
bool loggingThisType = (!gTypesToLog || LogThisType(aClazz));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, aRefcnt == 1);
NS_ASSERTION(serialno != 0,
"Serial number requested for unrecognized pointer! "
"Are you memmoving a refcounted object?");
int32_t* count = GetRefCount(aPtr);
if(count)
(*count)++;
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (aRefcnt == 1 && gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> 0x%08X %ld Create\n",
aClazz, NS_PTR_TO_INT32(aPtr), serialno);
nsTraceRefcntImpl::WalkTheStack(gAllocLog);
}
if (gRefcntsLog && loggingThisType && loggingThisObject) {
if (gLogToLeaky) {
(*leakyLogAddRef)(aPtr, aRefcnt - 1, aRefcnt);
}
else {
// Can't use PR_LOG(), b/c it truncates the line
fprintf(gRefcntsLog,
"\n<%s> 0x%08X %ld AddRef %d\n", aClazz, NS_PTR_TO_INT32(aPtr), serialno, aRefcnt);
nsTraceRefcntImpl::WalkTheStack(gRefcntsLog);
fflush(gRefcntsLog);
}
}
UNLOCK_TRACELOG();
}
#endif
}
NS_LogAddRef(void* aPtr, nsrefcnt aRefcnt,
const char* aClass, uint32_t aClassSize)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging == NoLogging) {
return;
}
if (aRefcnt == 1 || gLogging == FullLogging) {
AutoTraceLogLock lock;
if (aRefcnt == 1 && gBloatLog) {
BloatEntry* entry = GetBloatEntry(aClass, aClassSize);
if (entry) {
entry->Ctor();
}
}
// Here's the case where MOZ_COUNT_CTOR was not used,
// yet we still want to see creation information:
bool loggingThisType = (!gTypesToLog || LogThisType(aClass));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, aRefcnt == 1);
NS_ASSERTION(serialno != 0,
"Serial number requested for unrecognized pointer! "
"Are you memmoving a refcounted object?");
int32_t* count = GetRefCount(aPtr);
if (count) {
(*count)++;
}
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
if (aRefcnt == 1 && gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Create [thread %p]\n", aClass, aPtr, serialno, PR_GetCurrentThread());
WalkTheStackCached(gAllocLog);
}
if (gRefcntsLog && loggingThisType && loggingThisObject) {
// Can't use MOZ_LOG(), b/c it truncates the line
fprintf(gRefcntsLog, "\n<%s> %p %" PRIuPTR " AddRef %" PRIuPTR " [thread %p]\n",
aClass, aPtr, serialno, aRefcnt, PR_GetCurrentThread());
WalkTheStackCached(gRefcntsLog);
fflush(gRefcntsLog);
}
}
#endif
}
nsresult
nsTraceRefcnt::DumpStatistics()
{
if (!gBloatLog || !gBloatView) {
return NS_ERROR_FAILURE;
}
AutoTraceLogLock lock;
MOZ_ASSERT(!gDumpedStatistics,
"Calling DumpStatistics more than once may result in "
"bogus positive or negative leaks being reported");
gDumpedStatistics = true;
// Don't try to log while we hold the lock, we'd deadlock.
AutoRestore<LoggingType> saveLogging(gLogging);
gLogging = NoLogging;
BloatEntry total("TOTAL", 0);
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::TotalEntries, &total);
const char* msg;
if (gLogLeaksOnly) {
msg = "ALL (cumulative) LEAK STATISTICS";
} else {
msg = "ALL (cumulative) LEAK AND BLOAT STATISTICS";
}
const bool leaked = total.PrintDumpHeader(gBloatLog, msg);
nsTArray<BloatEntry*> entries;
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::DumpEntry, &entries);
const uint32_t count = entries.Length();
if (!gLogLeaksOnly || leaked) {
// Sort the entries alphabetically by classname.
entries.Sort();
for (uint32_t i = 0; i < count; ++i) {
BloatEntry* entry = entries[i];
entry->Dump(i, gBloatLog);
}
fprintf(gBloatLog, "\n");
}
fprintf(gBloatLog, "nsTraceRefcnt::DumpStatistics: %d entries\n", count);
if (gSerialNumbers) {
fprintf(gBloatLog, "\nSerial Numbers of Leaked Objects:\n");
PL_HashTableEnumerateEntries(gSerialNumbers, DumpSerialNumbers, gBloatLog);
}
return NS_OK;
}
NS_LogDtor(void* aPtr, const char* aType, uint32_t aInstanceSize)
{
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging == NoLogging) {
return;
}
AutoTraceLogLock lock;
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aType, aInstanceSize);
if (entry) {
entry->Dtor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aType));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, false);
MOZ_ASSERT(serialno != 0,
"Serial number requested for unrecognized pointer! "
"Are you memmoving a MOZ_COUNT_CTOR-tracked object?");
RecycleSerialNumberPtr(aPtr);
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
// (If we're on a losing architecture, don't do this because we'll be
// using LogDeleteXPCOM instead to get file and line numbers.)
if (gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Dtor (%d)\n",
aType, aPtr, serialno, aInstanceSize);
WalkTheStackCached(gAllocLog);
}
}
NS_LogDtor(void* aPtr, const char* aType, uint32_t aInstanceSize)
{
#ifdef NS_IMPL_REFCNT_LOGGING
ASSERT_ACTIVITY_IS_LEGAL;
if (!gInitialized) {
InitTraceLog();
}
if (gLogging != NoLogging) {
LOCK_TRACELOG();
if (gBloatLog) {
BloatEntry* entry = GetBloatEntry(aType, aInstanceSize);
if (entry) {
entry->Dtor();
}
}
bool loggingThisType = (!gTypesToLog || LogThisType(aType));
intptr_t serialno = 0;
if (gSerialNumbers && loggingThisType) {
serialno = GetSerialNumber(aPtr, false);
RecycleSerialNumberPtr(aPtr);
}
bool loggingThisObject = (!gObjectsToLog || LogThisObj(serialno));
// (If we're on a losing architecture, don't do this because we'll be
// using LogDeleteXPCOM instead to get file and line numbers.)
if (gAllocLog && loggingThisType && loggingThisObject) {
fprintf(gAllocLog, "\n<%s> %p %" PRIdPTR " Dtor (%d)\n",
aType, aPtr, serialno, aInstanceSize);
nsTraceRefcnt::WalkTheStackCached(gAllocLog);
}
UNLOCK_TRACELOG();
}
#endif
}
nsresult
nsTraceRefcntImpl::DumpStatistics(StatisticsType type, FILE* out)
{
#ifdef NS_IMPL_REFCNT_LOGGING
if (gBloatLog == nullptr || gBloatView == nullptr) {
return NS_ERROR_FAILURE;
}
if (out == nullptr) {
out = gBloatLog;
}
LOCK_TRACELOG();
bool wasLogging = gLogging;
gLogging = false; // turn off logging for this method
BloatEntry total("TOTAL", 0);
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::TotalEntries, &total);
const char* msg;
if (type == NEW_STATS) {
if (gLogLeaksOnly)
msg = "NEW (incremental) LEAK STATISTICS";
else
msg = "NEW (incremental) LEAK AND BLOAT STATISTICS";
}
else {
if (gLogLeaksOnly)
msg = "ALL (cumulative) LEAK STATISTICS";
else
msg = "ALL (cumulative) LEAK AND BLOAT STATISTICS";
}
const bool leaked = total.PrintDumpHeader(out, msg, type);
nsTArray<BloatEntry*> entries;
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::DumpEntry, &entries);
const uint32_t count = entries.Length();
if (!gLogLeaksOnly || leaked) {
// Sort the entries alphabetically by classname.
entries.Sort();
for (uint32_t i = 0; i < count; ++i) {
BloatEntry* entry = entries[i];
entry->Dump(i, out, type);
}
fprintf(out, "\n");
}
fprintf(out, "nsTraceRefcntImpl::DumpStatistics: %d entries\n", count);
if (gSerialNumbers) {
fprintf(out, "\nSerial Numbers of Leaked Objects:\n");
PL_HashTableEnumerateEntries(gSerialNumbers, DumpSerialNumbers, out);
}
gLogging = wasLogging;
UNLOCK_TRACELOG();
#endif
return NS_OK;
}
nsresult
nsTraceRefcnt::DumpStatistics(StatisticsType aType, FILE* aOut)
{
#ifdef NS_IMPL_REFCNT_LOGGING
if (!gBloatLog || !gBloatView) {
return NS_ERROR_FAILURE;
}
if (!aOut) {
aOut = gBloatLog;
}
AutoTraceLogLock lock;
// Don't try to log while we hold the lock, we'd deadlock.
AutoRestore<LoggingType> saveLogging(gLogging);
gLogging = NoLogging;
BloatEntry total("TOTAL", 0);
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::TotalEntries, &total);
const char* msg;
if (aType == NEW_STATS) {
if (gLogLeaksOnly) {
msg = "NEW (incremental) LEAK STATISTICS";
} else {
msg = "NEW (incremental) LEAK AND BLOAT STATISTICS";
}
} else {
if (gLogLeaksOnly) {
msg = "ALL (cumulative) LEAK STATISTICS";
} else {
msg = "ALL (cumulative) LEAK AND BLOAT STATISTICS";
}
}
const bool leaked = total.PrintDumpHeader(aOut, msg, aType);
nsTArray<BloatEntry*> entries;
PL_HashTableEnumerateEntries(gBloatView, BloatEntry::DumpEntry, &entries);
const uint32_t count = entries.Length();
if (!gLogLeaksOnly || leaked) {
// Sort the entries alphabetically by classname.
entries.Sort();
for (uint32_t i = 0; i < count; ++i) {
BloatEntry* entry = entries[i];
entry->Dump(i, aOut, aType);
}
fprintf(aOut, "\n");
}
fprintf(aOut, "nsTraceRefcnt::DumpStatistics: %d entries\n", count);
if (gSerialNumbers) {
fprintf(aOut, "\nSerial Numbers of Leaked Objects:\n");
PL_HashTableEnumerateEntries(gSerialNumbers, DumpSerialNumbers, aOut);
}
#endif
return NS_OK;
}