//===----------------------------------------------------------------------===//
#include "llvm/Support/Timer.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringMap.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Mutex.h"
+#include "llvm/Support/Process.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Format.h"
-#include "llvm/System/Mutex.h"
-#include "llvm/System/Process.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/StringMap.h"
using namespace llvm;
-// CreateInfoOutputFile - Return a file stream to print our output on.
-namespace llvm { extern raw_ostream *CreateInfoOutputFile(); }
-
// getLibSupportInfoOutputFilename - This ugly hack is brought to you courtesy
// of constructor/destructor ordering being unspecified by C++. Basically the
// problem is that a Statistic object gets destroyed, which ends up calling
cl::Hidden, cl::location(getLibSupportInfoOutputFilename()));
}
-// CreateInfoOutputFile - Return a file stream to print our output on.
-raw_ostream *llvm::CreateInfoOutputFile() {
- std::string &LibSupportInfoOutputFilename = getLibSupportInfoOutputFilename();
- if (LibSupportInfoOutputFilename.empty())
- return new raw_fd_ostream(2, false); // stderr.
- if (LibSupportInfoOutputFilename == "-")
- return new raw_fd_ostream(1, false); // stdout.
-
- std::string Error;
- raw_ostream *Result = new raw_fd_ostream(LibSupportInfoOutputFilename.c_str(),
- Error, raw_fd_ostream::F_Append);
- if (Error.empty())
+// Return a file stream to print our output on.
+std::unique_ptr<raw_fd_ostream> llvm::CreateInfoOutputFile() {
+ const std::string &OutputFilename = getLibSupportInfoOutputFilename();
+ if (OutputFilename.empty())
+ return llvm::make_unique<raw_fd_ostream>(2, false); // stderr.
+ if (OutputFilename == "-")
+ return llvm::make_unique<raw_fd_ostream>(1, false); // stdout.
+
+ // Append mode is used because the info output file is opened and closed
+ // each time -stats or -time-passes wants to print output to it. To
+ // compensate for this, the test-suite Makefiles have code to delete the
+ // info output file before running commands which write to it.
+ std::error_code EC;
+ auto Result = llvm::make_unique<raw_fd_ostream>(
+ OutputFilename, EC, sys::fs::F_Append | sys::fs::F_Text);
+ if (!EC)
return Result;
-
+
errs() << "Error opening info-output-file '"
- << LibSupportInfoOutputFilename << " for appending!\n";
- delete Result;
- return new raw_fd_ostream(2, false); // stderr.
+ << OutputFilename << " for appending!\n";
+ return llvm::make_unique<raw_fd_ostream>(2, false); // stderr.
}
-static TimerGroup *DefaultTimerGroup = 0;
+static TimerGroup *DefaultTimerGroup = nullptr;
static TimerGroup *getDefaultTimerGroup() {
TimerGroup *tmp = DefaultTimerGroup;
sys::MemoryFence();
if (tmp) return tmp;
- llvm_acquire_global_lock();
+ sys::SmartScopedLock<true> Lock(*TimerLock);
tmp = DefaultTimerGroup;
if (!tmp) {
tmp = new TimerGroup("Miscellaneous Ungrouped Timers");
sys::MemoryFence();
DefaultTimerGroup = tmp;
}
- llvm_release_global_lock();
return tmp;
}
// Timer Implementation
//===----------------------------------------------------------------------===//
-void Timer::init(const std::string &N) {
- assert(TG == 0 && "Timer already initialized");
- Name = N;
- Started = false;
- TG = getDefaultTimerGroup();
- TG->addTimer(*this);
+void Timer::init(StringRef N) {
+ init(N, *getDefaultTimerGroup());
}
-void Timer::init(const std::string &N, TimerGroup &tg) {
- assert(TG == 0 && "Timer already initialized");
- Name = N;
+void Timer::init(StringRef N, TimerGroup &tg) {
+ assert(!TG && "Timer already initialized");
+ Name.assign(N.begin(), N.end());
Started = false;
TG = &tg;
TG->addTimer(*this);
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) << "%)";
- }
+ else
+ OS << format(" %7.4f (%5.1f%%)", Val, Val*100/Total);
}
void TimeRecord::print(const TimeRecord &Total, raw_ostream &OS) const {
OS << " ";
if (Total.getMemUsed())
- OS << format("%9lld", (long long)getMemUsed()) << " ";
+ OS << format("%9" PRId64 " ", (int64_t)getMemUsed());
}
// NamedRegionTimer Implementation
//===----------------------------------------------------------------------===//
+namespace {
+
typedef StringMap<Timer> Name2TimerMap;
class Name2PairMap {
delete I->second.first;
}
- Timer &get(const std::string &Name, const std::string &GroupName) {
+ Timer &get(StringRef Name, StringRef GroupName) {
sys::SmartScopedLock<true> L(*TimerLock);
std::pair<TimerGroup*, Name2TimerMap> &GroupEntry = Map[GroupName];
}
};
+}
+
static ManagedStatic<Name2TimerMap> NamedTimers;
static ManagedStatic<Name2PairMap> NamedGroupedTimers;
-static Timer &getNamedRegionTimer(const std::string &Name) {
+static Timer &getNamedRegionTimer(StringRef Name) {
sys::SmartScopedLock<true> L(*TimerLock);
Timer &T = (*NamedTimers)[Name];
return T;
}
-NamedRegionTimer::NamedRegionTimer(const std::string &Name)
- : TimeRegion(getNamedRegionTimer(Name)) {}
+NamedRegionTimer::NamedRegionTimer(StringRef Name,
+ bool Enabled)
+ : TimeRegion(!Enabled ? nullptr : &getNamedRegionTimer(Name)) {}
-NamedRegionTimer::NamedRegionTimer(const std::string &Name,
- const std::string &GroupName)
- : TimeRegion(NamedGroupedTimers->get(Name, GroupName)) {}
+NamedRegionTimer::NamedRegionTimer(StringRef Name, StringRef GroupName,
+ bool Enabled)
+ : TimeRegion(!Enabled ? nullptr : &NamedGroupedTimers->get(Name, GroupName)){}
//===----------------------------------------------------------------------===//
// TimerGroup Implementation
//===----------------------------------------------------------------------===//
+/// TimerGroupList - This is the global list of TimerGroups, maintained by the
+/// TimerGroup ctor/dtor and is protected by the TimerLock lock.
+static TimerGroup *TimerGroupList = nullptr;
+
+TimerGroup::TimerGroup(StringRef name)
+ : Name(name.begin(), name.end()), FirstTimer(nullptr) {
+
+ // Add the group to TimerGroupList.
+ sys::SmartScopedLock<true> L(*TimerLock);
+ if (TimerGroupList)
+ TimerGroupList->Prev = &Next;
+ Next = TimerGroupList;
+ Prev = &TimerGroupList;
+ TimerGroupList = this;
+}
+
TimerGroup::~TimerGroup() {
// If the timer group is destroyed before the timers it owns, accumulate and
// print the timing data.
- while (FirstTimer != 0)
+ while (FirstTimer)
removeTimer(*FirstTimer);
+
+ // Remove the group from the TimerGroupList.
+ sys::SmartScopedLock<true> L(*TimerLock);
+ *Prev = Next;
+ if (Next)
+ Next->Prev = Prev;
}
if (T.Started)
TimersToPrint.push_back(std::make_pair(T.Time, T.Name));
- T.TG = 0;
+ T.TG = nullptr;
// Unlink the timer from our list.
*T.Prev = T.Next;
// Print the report when all timers in this group are destroyed if some of
// them were started.
- if (FirstTimer != 0 || TimersToPrint.empty())
+ if (FirstTimer || TimersToPrint.empty())
return;
-
- raw_ostream *OutStream = CreateInfoOutputFile();
+
+ std::unique_ptr<raw_ostream> OutStream = CreateInfoOutputFile();
PrintQueuedTimers(*OutStream);
- delete OutStream; // Close the file.
}
void TimerGroup::addTimer(Timer &T) {
// If this is not an collection of ungrouped times, print the total time.
// Ungrouped timers don't really make sense to add up. We still print the
// TOTAL line to make the percentages make sense.
- if (this != DefaultTimerGroup) {
- OS << " Total Execution Time: ";
- OS << format("%5.4f", Total.getProcessTime()) << " seconds (";
- OS << format("%5.4f", Total.getWallTime()) << " wall clock)\n";
- }
+ if (this != DefaultTimerGroup)
+ OS << format(" Total Execution Time: %5.4f seconds (%5.4f wall clock)\n",
+ Total.getProcessTime(), Total.getWallTime());
OS << '\n';
if (Total.getUserTime())
if (!TimersToPrint.empty())
PrintQueuedTimers(OS);
}
+
+/// printAll - This static method prints all timers and clears them all out.
+void TimerGroup::printAll(raw_ostream &OS) {
+ sys::SmartScopedLock<true> L(*TimerLock);
+
+ for (TimerGroup *TG = TimerGroupList; TG; TG = TG->Next)
+ TG->print(OS);
+}