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Remove gunk that was supposed to make space evaluation more precise, but never worked.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5549 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-13 05:07:53 +00:00
parent e809b05f16
commit e040f97066
2 changed files with 2 additions and 128 deletions
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65
lib/Support/Timer.cpp
View File

@ -23,12 +23,6 @@ namespace {
cl::Hidden);
}
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
//
static unsigned getNumBytesToNotCount();
static TimerGroup *DefaultTimerGroup = 0;
static TimerGroup *getDefaultTimerGroup() {
if (DefaultTimerGroup) return DefaultTimerGroup;
@ -75,7 +69,7 @@ Timer::~Timer() {
static long getMemUsage() {
if (TrackSpace) {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
return MI.uordblks/*+MI.hblkhd*/;
} else {
return 0;
}
@ -257,60 +251,3 @@ void TimerGroup::removeTimer() {
DefaultTimerGroup = 0;
}
}
#if (__GNUC__ == 3) && (__GNUC_MINOR__ == 2) && (__GNUC_PATCHLEVEL__ == 0)
// If we have GCC 3.2.0, we can calculate pool allocation bookkeeping info
#define HAVE_POOL
extern "C" {
// Taken from GCC 3.2's stl_alloc.h file:
enum {_ALIGN = 8, _MAX_BYTES = 128, NFREE = _MAX_BYTES / _ALIGN};
struct FreeList { FreeList *Next; };
FreeList *_ZNSt24__default_alloc_templateILb1ELi0EE12_S_free_listE[NFREE];
char *_ZNSt24__default_alloc_templateILb1ELi0EE13_S_start_freeE;
char *_ZNSt24__default_alloc_templateILb1ELi0EE11_S_end_freeE;
size_t _ZNSt24__default_alloc_templateILb1ELi0EE12_S_heap_sizeE;
// Make the symbols possible to use...
FreeList* (&TheFreeList)[NFREE] = _ZNSt24__default_alloc_templateILb1ELi0EE12_S_free_listE;
char * &StartFree = _ZNSt24__default_alloc_templateILb1ELi0EE13_S_start_freeE;
char * &EndFree = _ZNSt24__default_alloc_templateILb1ELi0EE11_S_end_freeE;
size_t &HeapSize = _ZNSt24__default_alloc_templateILb1ELi0EE12_S_heap_sizeE;
}
#endif
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
//
static unsigned getNumBytesToNotCount() {
#ifdef HAVE_POOL
// If we have GCC 3.2.0, we can subtract off pool allocation bookkeeping info
// Size of the free slab section...
unsigned FreePoolMem = (unsigned)(EndFree-StartFree);
// Walk all of the free lists, adding memory to the free counter whenever we
// have a free bucket.
for (unsigned i = 0; i != NFREE; ++i) {
unsigned NumEntries = 0;
for (FreeList *FL = TheFreeList[i]; FL; ++NumEntries, FL = FL->Next)
/*empty*/ ;
#if 0
if (NumEntries)
std::cerr << " For Size[" << (i+1)*_ALIGN << "]: " << NumEntries
<< " Free entries\n";
#endif
FreePoolMem += NumEntries*(i+1)*_ALIGN;
}
return FreePoolMem;
#else
#warning "Don't know how to avoid pool allocation accounting overhead for this"
#warning " compiler: Space usage numbers (with -time-passes) may be off!"
return 0;
#endif
}

65
support/lib/Support/Timer.cpp
View File

@ -23,12 +23,6 @@ namespace {
cl::Hidden);
}
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
//
static unsigned getNumBytesToNotCount();
static TimerGroup *DefaultTimerGroup = 0;
static TimerGroup *getDefaultTimerGroup() {
if (DefaultTimerGroup) return DefaultTimerGroup;
@ -75,7 +69,7 @@ Timer::~Timer() {
static long getMemUsage() {
if (TrackSpace) {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
return MI.uordblks/*+MI.hblkhd*/;
} else {
return 0;
}
@ -257,60 +251,3 @@ void TimerGroup::removeTimer() {
DefaultTimerGroup = 0;
}
}
#if (__GNUC__ == 3) && (__GNUC_MINOR__ == 2) && (__GNUC_PATCHLEVEL__ == 0)
// If we have GCC 3.2.0, we can calculate pool allocation bookkeeping info
#define HAVE_POOL
extern "C" {
// Taken from GCC 3.2's stl_alloc.h file:
enum {_ALIGN = 8, _MAX_BYTES = 128, NFREE = _MAX_BYTES / _ALIGN};
struct FreeList { FreeList *Next; };
FreeList *_ZNSt24__default_alloc_templateILb1ELi0EE12_S_free_listE[NFREE];
char *_ZNSt24__default_alloc_templateILb1ELi0EE13_S_start_freeE;
char *_ZNSt24__default_alloc_templateILb1ELi0EE11_S_end_freeE;
size_t _ZNSt24__default_alloc_templateILb1ELi0EE12_S_heap_sizeE;
// Make the symbols possible to use...
FreeList* (&TheFreeList)[NFREE] = _ZNSt24__default_alloc_templateILb1ELi0EE12_S_free_listE;
char * &StartFree = _ZNSt24__default_alloc_templateILb1ELi0EE13_S_start_freeE;
char * &EndFree = _ZNSt24__default_alloc_templateILb1ELi0EE11_S_end_freeE;
size_t &HeapSize = _ZNSt24__default_alloc_templateILb1ELi0EE12_S_heap_sizeE;
}
#endif
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
//
static unsigned getNumBytesToNotCount() {
#ifdef HAVE_POOL
// If we have GCC 3.2.0, we can subtract off pool allocation bookkeeping info
// Size of the free slab section...
unsigned FreePoolMem = (unsigned)(EndFree-StartFree);
// Walk all of the free lists, adding memory to the free counter whenever we
// have a free bucket.
for (unsigned i = 0; i != NFREE; ++i) {
unsigned NumEntries = 0;
for (FreeList *FL = TheFreeList[i]; FL; ++NumEntries, FL = FL->Next)
/*empty*/ ;
#if 0
if (NumEntries)
std::cerr << " For Size[" << (i+1)*_ALIGN << "]: " << NumEntries
<< " Free entries\n";
#endif
FreePoolMem += NumEntries*(i+1)*_ALIGN;
}
return FreePoolMem;
#else
#warning "Don't know how to avoid pool allocation accounting overhead for this"
#warning " compiler: Space usage numbers (with -time-passes) may be off!"
return 0;
#endif
}