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Add facility to compute peak memory usage

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-11-18 21:45:55 +00:00
parent a1cf699b50
commit 44a92675e4
2 changed files with 22 additions and 0 deletions
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11
include/Support/Timer.h
View File

@ -35,6 +35,8 @@ class Timer {
double UserTime; // User time elapsed
double SystemTime; // System time elapsed
long MemUsed; // Memory allocated (in bytes)
long PeakMem; // Peak memory used
long PeakMemBase; // Temporary for peak calculation...
std::string Name; // The name of this time variable
bool Started; // Has this time variable ever been started?
TimerGroup *TG; // The TimerGroup this Timer is in.
@ -47,6 +49,7 @@ public:
double getProcessTime() const { return UserTime+SystemTime; }
double getWallTime() const { return Elapsed; }
long getMemUsed() const { return MemUsed; }
long getPeakMem() const { return PeakMem; }
std::string getName() const { return Name; }
const Timer &operator=(const Timer &T) {
@ -54,6 +57,8 @@ public:
UserTime = T.UserTime;
SystemTime = T.SystemTime;
MemUsed = T.MemUsed;
PeakMem = T.PeakMem;
PeakMemBase = T.PeakMemBase;
Name = T.Name;
Started = T.Started;
assert (TG == T.TG && "Can only assign timers in the same TimerGroup!");
@ -77,6 +82,12 @@ public:
///
void stopTimer();
/// addPeakMemoryMeasurement - This method should be called whenever memory
/// usage needs to be checked. It adds a peak memory measurement to the
/// currently active timers, which will be printed when the timer group prints
///
static void addPeakMemoryMeasurement();
/// print - Print the current timer to standard error, and reset the "Started"
/// flag.
void print(const Timer &Total);

11
include/llvm/Support/Timer.h
View File

@ -35,6 +35,8 @@ class Timer {
double UserTime; // User time elapsed
double SystemTime; // System time elapsed
long MemUsed; // Memory allocated (in bytes)
long PeakMem; // Peak memory used
long PeakMemBase; // Temporary for peak calculation...
std::string Name; // The name of this time variable
bool Started; // Has this time variable ever been started?
TimerGroup *TG; // The TimerGroup this Timer is in.
@ -47,6 +49,7 @@ public:
double getProcessTime() const { return UserTime+SystemTime; }
double getWallTime() const { return Elapsed; }
long getMemUsed() const { return MemUsed; }
long getPeakMem() const { return PeakMem; }
std::string getName() const { return Name; }
const Timer &operator=(const Timer &T) {
@ -54,6 +57,8 @@ public:
UserTime = T.UserTime;
SystemTime = T.SystemTime;
MemUsed = T.MemUsed;
PeakMem = T.PeakMem;
PeakMemBase = T.PeakMemBase;
Name = T.Name;
Started = T.Started;
assert (TG == T.TG && "Can only assign timers in the same TimerGroup!");
@ -77,6 +82,12 @@ public:
///
void stopTimer();
/// addPeakMemoryMeasurement - This method should be called whenever memory
/// usage needs to be checked. It adds a peak memory measurement to the
/// currently active timers, which will be printed when the timer group prints
///
static void addPeakMemoryMeasurement();
/// print - Print the current timer to standard error, and reset the "Started"
/// flag.
void print(const Timer &Total);