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move code around and improve indentation, no functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-29 20:35:01 +00:00
parent 7e09debcf1
commit 9bb110f78e
1 changed files with 116 additions and 118 deletions
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108
lib/Support/Timer.cpp
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@ -55,9 +55,10 @@ namespace {
static TimerGroup *DefaultTimerGroup = 0;
static TimerGroup *getDefaultTimerGroup() {
TimerGroup* tmp = DefaultTimerGroup;
TimerGroup *tmp = DefaultTimerGroup;
sys::MemoryFence();
if (!tmp) {
if (tmp) return tmp;
llvm_acquire_global_lock();
tmp = DefaultTimerGroup;
if (!tmp) {
@ -66,11 +67,14 @@ static TimerGroup *getDefaultTimerGroup() {
DefaultTimerGroup = tmp;
}
llvm_release_global_lock();
}
return tmp;
}
//===----------------------------------------------------------------------===//
// Timer Implementation
//===----------------------------------------------------------------------===//
Timer::Timer(const std::string &N)
: Elapsed(0), UserTime(0), SystemTime(0), MemUsed(0), PeakMem(0), Name(N),
Started(false), TG(getDefaultTimerGroup()) {
@ -89,7 +93,6 @@ Timer::Timer(const Timer &T) {
operator=(T);
}
// Copy ctor, initialize with no TG member.
Timer::Timer(bool, const Timer &T) {
TG = T.TG; // Avoid assertion in operator=
@ -97,15 +100,14 @@ Timer::Timer(bool, const Timer &T) {
TG = 0;
}
Timer::~Timer() {
if (TG) {
if (!TG) return;
if (Started) {
Started = false;
TG->addTimerToPrint(*this);
}
TG->removeTimer();
}
}
static inline size_t getMemUsage() {
@ -129,9 +131,9 @@ static TimeRecord getTimeRecord(bool Start) {
ssize_t MemUsed = 0;
if (Start) {
MemUsed = getMemUsage();
sys::Process::GetTimeUsage(now,user,sys);
sys::Process::GetTimeUsage(now, user, sys);
} else {
sys::Process::GetTimeUsage(now,user,sys);
sys::Process::GetTimeUsage(now, user, sys);
MemUsed = getMemUsage();
}
@ -139,7 +141,6 @@ static TimeRecord getTimeRecord(bool Start) {
Result.UserTime = user.seconds() + user.microseconds() / 1000000.0;
Result.SystemTime = sys.seconds() + sys.microseconds() / 1000000.0;
Result.MemUsed = MemUsed;
return Result;
}
@ -196,19 +197,51 @@ void Timer::addPeakMemoryMeasurement() {
(*I)->PeakMem = std::max((*I)->PeakMem, MemUsed-(*I)->PeakMemBase);
}
static void printVal(double Val, double Total, raw_ostream &OS) {
if (Total < 1e-7) // Avoid dividing by zero...
OS << " ----- ";
else {
OS << " " << format("%7.4f", Val) << " (";
OS << format("%5.1f", Val*100/Total) << "%)";
}
}
void Timer::print(const Timer &Total, raw_ostream &OS) {
sys::SmartScopedLock<true> L(*TimerLock);
if (Total.UserTime)
printVal(UserTime, Total.UserTime, OS);
if (Total.SystemTime)
printVal(SystemTime, Total.SystemTime, OS);
if (Total.getProcessTime())
printVal(getProcessTime(), Total.getProcessTime(), OS);
printVal(Elapsed, Total.Elapsed, OS);
OS << " ";
if (Total.MemUsed) {
OS << format("%9lld", (long long)MemUsed) << " ";
}
if (Total.PeakMem) {
if (PeakMem) {
OS << format("%9lld", (long long)PeakMem) << " ";
} else
OS << " ";
}
OS << Name << "\n";
Started = false; // Once printed, don't print again
}
//===----------------------------------------------------------------------===//
// NamedRegionTimer Implementation
//===----------------------------------------------------------------------===//
namespace {
typedef std::map<std::string, Timer> Name2Timer;
typedef std::map<std::string, std::pair<TimerGroup, Name2Timer> > Name2Pair;
}
static ManagedStatic<Name2Timer> NamedTimers;
static ManagedStatic<Name2Pair> NamedGroupedTimers;
static Timer &getNamedRegionTimer(const std::string &Name) {
@ -252,42 +285,6 @@ NamedRegionTimer::NamedRegionTimer(const std::string &Name,
// TimerGroup Implementation
//===----------------------------------------------------------------------===//
static void printVal(double Val, double Total, raw_ostream &OS) {
if (Total < 1e-7) // Avoid dividing by zero...
OS << " ----- ";
else {
OS << " " << format("%7.4f", Val) << " (";
OS << format("%5.1f", Val*100/Total) << "%)";
}
}
void Timer::print(const Timer &Total, raw_ostream &OS) {
sys::SmartScopedLock<true> L(*TimerLock);
if (Total.UserTime)
printVal(UserTime, Total.UserTime, OS);
if (Total.SystemTime)
printVal(SystemTime, Total.SystemTime, OS);
if (Total.getProcessTime())
printVal(getProcessTime(), Total.getProcessTime(), OS);
printVal(Elapsed, Total.Elapsed, OS);
OS << " ";
if (Total.MemUsed) {
OS << format("%9lld", (long long)MemUsed) << " ";
}
if (Total.PeakMem) {
if (PeakMem) {
OS << format("%9lld", (long long)PeakMem) << " ";
} else
OS << " ";
}
OS << Name << "\n";
Started = false; // Once printed, don't print again
}
// GetLibSupportInfoOutputFile - Return a file stream to print our output on...
raw_ostream *
llvm::GetLibSupportInfoOutputFile() {
@ -313,12 +310,14 @@ llvm::GetLibSupportInfoOutputFile() {
void TimerGroup::removeTimer() {
sys::SmartScopedLock<true> L(*TimerLock);
if (--NumTimers == 0 && !TimersToPrint.empty()) { // Print timing report...
// Sort the timers in descending order by amount of time taken...
if (--NumTimers != 0 || TimersToPrint.empty())
return; // Don't print timing report.
// Sort the timers in descending order by amount of time taken.
std::sort(TimersToPrint.begin(), TimersToPrint.end(),
std::greater<Timer>());
// Figure out how many spaces to indent TimerGroup name...
// Figure out how many spaces to indent TimerGroup name.
unsigned Padding = (80-Name.length())/2;
if (Padding > 80) Padding = 0; // Don't allow "negative" numbers
@ -376,7 +375,6 @@ void TimerGroup::removeTimer() {
if (OutStream != &errs() && OutStream != &outs() && OutStream != &dbgs())
delete OutStream; // Close the file...
}
}
void TimerGroup::addTimer() {