//===-- Timer.cpp - Interval Timing Support -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// Interval Timing implementation.
//
#include "Support/Timer.h"
#include "Support/CommandLine.h"
-#include <sys/resource.h>
-#include <sys/time.h>
-#include <sys/unistd.h>
-#include <unistd.h>
-#include <malloc.h>
-#include <stdio.h>
+#include "Config/sys/resource.h"
+#include "Config/sys/time.h"
+#include "Config/unistd.h"
+#include "Config/malloc.h"
#include <iostream>
#include <algorithm>
#include <functional>
#include <fstream>
+#include <map>
+using namespace llvm;
-std::string LibSupportInfoOutputFilename;
+// GetLibSupportInfoOutputFile - Return a file stream to print our output on...
+namespace llvm { extern std::ostream *GetLibSupportInfoOutputFile(); }
+
+// 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
+// 'GetLibSupportInfoOutputFile()' (below), which calls this function.
+// LibSupportInfoOutputFilename used to be a global variable, but sometimes it
+// would get destroyed before the Statistic, causing havoc to ensue. We "fix"
+// this by creating the string the first time it is needed and never destroying
+// it.
+static std::string &getLibSupportInfoOutputFilename() {
+ static std::string *LibSupportInfoOutputFilename = new std::string();
+ return *LibSupportInfoOutputFilename;
+}
namespace {
+#ifdef HAVE_MALLINFO
cl::opt<bool>
TrackSpace("track-memory", cl::desc("Enable -time-passes memory "
"tracking (this may be slow)"),
cl::Hidden);
+#endif
cl::opt<std::string, true>
- InfoOutputFilename("info-output-file",
+ InfoOutputFilename("info-output-file", cl::value_desc("filename"),
cl::desc("File to append -stats and -timer output to"),
- cl::Hidden, cl::location(LibSupportInfoOutputFilename));
+ cl::Hidden, cl::location(getLibSupportInfoOutputFilename()));
}
static TimerGroup *DefaultTimerGroup = 0;
}
static long getMemUsage() {
+#ifdef HAVE_MALLINFO
if (TrackSpace) {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd*/;
- } else {
- return 0;
}
+#endif
+ return 0;
}
struct TimeRecord {
gettimeofday(&T, 0);
if (!Start) {
- MemUsed = getMemUsage();
if (getrusage(RUSAGE_SELF, &RU))
perror("getrusage call failed: -time-passes info incorrect!");
+ MemUsed = getMemUsage();
}
TimeRecord Result;
(*I)->PeakMem = std::max((*I)->PeakMem, MemUsed-(*I)->PeakMemBase);
}
+//===----------------------------------------------------------------------===//
+// NamedRegionTimer Implementation
+//===----------------------------------------------------------------------===//
+
+static Timer &getNamedRegionTimer(const std::string &Name) {
+ static std::map<std::string, Timer> NamedTimers;
+
+ std::map<std::string, Timer>::iterator I = NamedTimers.lower_bound(Name);
+ if (I != NamedTimers.end() && I->first == Name)
+ return I->second;
+
+ return NamedTimers.insert(I, std::make_pair(Name, Timer(Name)))->second;
+}
+
+NamedRegionTimer::NamedRegionTimer(const std::string &Name)
+ : TimeRegion(getNamedRegionTimer(Name)) {}
+
//===----------------------------------------------------------------------===//
// TimerGroup Implementation
}
// GetLibSupportInfoOutputFile - Return a file stream to print our output on...
-std::ostream *GetLibSupportInfoOutputFile() {
+std::ostream *
+llvm::GetLibSupportInfoOutputFile() {
+ std::string &LibSupportInfoOutputFilename = getLibSupportInfoOutputFilename();
if (LibSupportInfoOutputFilename.empty())
return &std::cerr;
if (LibSupportInfoOutputFilename == "-")
return &std::cout;
std::ostream *Result = new std::ofstream(LibSupportInfoOutputFilename.c_str(),
- std::ios_base::app);
+ std::ios::app);
if (!Result->good()) {
std::cerr << "Error opening info-output-file '"
<< LibSupportInfoOutputFilename << " for appending!\n";
DefaultTimerGroup = 0;
}
}
+