static bool
InitLog(const char* aEnvVar, const char* aMsg, FILE** aResult)
{
const char* value = getenv(aEnvVar);
if (value) {
if (nsCRT::strcmp(value, "1") == 0) {
*aResult = stdout;
fprintf(stdout, "### %s defined -- logging %s to stdout\n",
aEnvVar, aMsg);
return true;
} else if (nsCRT::strcmp(value, "2") == 0) {
*aResult = stderr;
fprintf(stdout, "### %s defined -- logging %s to stderr\n",
aEnvVar, aMsg);
return true;
} else {
FILE* stream;
nsAutoCString fname(value);
if (!XRE_IsParentProcess()) {
bool hasLogExtension =
fname.RFind(".log", true, -1, 4) == kNotFound ? false : true;
if (hasLogExtension) {
fname.Cut(fname.Length() - 4, 4);
}
fname.Append('_');
fname.Append((char*)XRE_ChildProcessTypeToString(XRE_GetProcessType()));
fname.AppendLiteral("_pid");
fname.AppendInt((uint32_t)getpid());
if (hasLogExtension) {
fname.AppendLiteral(".log");
}
}
stream = ::fopen(fname.get(), "w" FOPEN_NO_INHERIT);
if (stream) {
MozillaRegisterDebugFD(fileno(stream));
*aResult = stream;
fprintf(stdout, "### %s defined -- logging %s to %s\n",
aEnvVar, aMsg, fname.get());
} else {
fprintf(stdout, "### %s defined -- unable to log %s to %s\n",
aEnvVar, aMsg, fname.get());
MOZ_ASSERT(false, "Tried and failed to create an XPCOM log");
}
return stream != nullptr;
}
}
return false;
}
static bool InitLog(const char* envVar, const char* msg, FILE* *result)
{
const char* value = getenv(envVar);
if (value) {
if (nsCRT::strcmp(value, "1") == 0) {
*result = stdout;
fprintf(stdout, "### %s defined -- logging %s to stdout\n",
envVar, msg);
return true;
}
else if (nsCRT::strcmp(value, "2") == 0) {
*result = stderr;
fprintf(stdout, "### %s defined -- logging %s to stderr\n",
envVar, msg);
return true;
}
else {
FILE *stream;
nsAutoCString fname(value);
if (XRE_GetProcessType() != GeckoProcessType_Default) {
bool hasLogExtension =
fname.RFind(".log", true, -1, 4) == kNotFound ? false : true;
if (hasLogExtension)
fname.Cut(fname.Length() - 4, 4);
fname.AppendLiteral("_");
fname.Append((char*)XRE_ChildProcessTypeToString(XRE_GetProcessType()));
fname.AppendLiteral("_pid");
fname.AppendInt((uint32_t)getpid());
if (hasLogExtension)
fname.AppendLiteral(".log");
}
stream = ::fopen(fname.get(), "w" FOPEN_NO_INHERIT);
if (stream != NULL) {
MozillaRegisterDebugFD(fileno(stream));
*result = stream;
fprintf(stdout, "### %s defined -- logging %s to %s\n",
envVar, msg, fname.get());
}
else {
fprintf(stdout, "### %s defined -- unable to log %s to %s\n",
envVar, msg, fname.get());
}
return stream != NULL;
}
}
return false;
}
bool PrintDumpHeader(FILE* out, const char* msg, nsTraceRefcntImpl::StatisticsType type) {
fprintf(out, "\n== BloatView: %s, %s process %d\n", msg,
XRE_ChildProcessTypeToString(XRE_GetProcessType()), getpid());
nsTraceRefcntStats& stats =
(type == nsTraceRefcntImpl::NEW_STATS) ? mNewStats : mAllStats;
if (gLogLeaksOnly && !HaveLeaks(&stats))
return false;
fprintf(out,
"\n" \
" |<----------------Class--------------->|<-----Bytes------>|<----------------Objects---------------->|<--------------References-------------->|\n" \
" Per-Inst Leaked Total Rem Mean StdDev Total Rem Mean StdDev\n");
this->DumpTotal(out);
return true;
}
bool PrintDumpHeader(FILE* aOut, const char* aMsg)
{
fprintf(aOut, "\n== BloatView: %s, %s process %d\n", aMsg,
XRE_ChildProcessTypeToString(XRE_GetProcessType()), getpid());
if (gLogLeaksOnly && !mStats.HaveLeaks()) {
return false;
}
fprintf(aOut,
"\n" \
" |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|\n" \
" | | Per-Inst Leaked| Total Rem|\n");
this->DumpTotal(aOut);
return true;
}
bool PrintDumpHeader(FILE* aOut, const char* aMsg,
nsTraceRefcnt::StatisticsType aType)
{
fprintf(aOut, "\n== BloatView: %s, %s process %d\n", aMsg,
XRE_ChildProcessTypeToString(XRE_GetProcessType()), getpid());
nsTraceRefcntStats& stats =
(aType == nsTraceRefcnt::NEW_STATS) ? mNewStats : mAllStats;
if (gLogLeaksOnly && !HaveLeaks(&stats)) {
return false;
}
fprintf(aOut,
"\n" \
" |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|\n" \
" Per-Inst Leaked Total Rem\n");
this->DumpTotal(aOut);
return true;
}
// If MOZ_DMD_SHUTDOWN_LOG is set, dump a DMD report to a file.
// The value of this environment variable is used as the prefix
// of the file name, so you probably want something like "/tmp/".
// By default, this is run in all processes, but you can record a
// log only for a specific process type by setting MOZ_DMD_LOG_PROCESS
// to the process type you want to log, such as "default" or "tab".
// This method can't use the higher level XPCOM file utilities
// because it is run very late in shutdown to avoid recording
// information about refcount logging entries.
static void
LogDMDFile()
{
const char* dmdFilePrefix = PR_GetEnv("MOZ_DMD_SHUTDOWN_LOG");
if (!dmdFilePrefix) {
return;
}
const char* logProcessEnv = PR_GetEnv("MOZ_DMD_LOG_PROCESS");
if (logProcessEnv && !!strcmp(logProcessEnv, XRE_ChildProcessTypeToString(XRE_GetProcessType()))) {
return;
}
nsPrintfCString fileName("%sdmd-%d.log.gz", dmdFilePrefix, base::GetCurrentProcId());
FILE* logFile = fopen(fileName.get(), "w");
if (NS_WARN_IF(!logFile)) {
return;
}
nsMemoryInfoDumper::DumpDMDToFile(logFile);
}