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authorSteve Reinhardt <stever@gmail.com>2008-03-24 01:08:02 -0400
committerSteve Reinhardt <stever@gmail.com>2008-03-24 01:08:02 -0400
commit627592c2f2a9d2774df50b2b5039efcb71432bc7 (patch)
treefe2cd42b91630181f7dfd9e595c885c42f56d4a5 /src/base
parent407710d387497f44de53baf0ae60a2c426c1bb74 (diff)
downloadgem5-627592c2f2a9d2774df50b2b5039efcb71432bc7.tar.xz
Add FAST_ALLOC_DEBUG and FAST_ALLOC_STATS as SConstruct options.
--HG-- extra : convert_revision : 56a7f646f2ac87019c78ba7fa62c5f4bdc00ba44
Diffstat (limited to 'src/base')
-rw-r--r--src/base/fast_alloc.cc12
-rw-r--r--src/base/fast_alloc.hh20
2 files changed, 14 insertions, 18 deletions
diff --git a/src/base/fast_alloc.cc b/src/base/fast_alloc.cc
index e1298a8bd..e263df893 100644
--- a/src/base/fast_alloc.cc
+++ b/src/base/fast_alloc.cc
@@ -45,7 +45,7 @@
void *FastAlloc::freeLists[Num_Buckets];
-#ifdef FAST_ALLOC_STATS
+#if FAST_ALLOC_STATS
unsigned FastAlloc::newCount[Num_Buckets];
unsigned FastAlloc::deleteCount[Num_Buckets];
unsigned FastAlloc::allocCount[Num_Buckets];
@@ -59,7 +59,7 @@ void *FastAlloc::moreStructs(int bucket)
const int nstructs = Num_Structs_Per_New; // how many to allocate?
char *p = ::new char[nstructs * sz];
-#ifdef FAST_ALLOC_STATS
+#if FAST_ALLOC_STATS
++allocCount[bucket];
#endif
@@ -72,7 +72,7 @@ void *FastAlloc::moreStructs(int bucket)
}
-#ifdef FAST_ALLOC_DEBUG
+#if FAST_ALLOC_DEBUG
#include <typeinfo>
#include <iostream>
@@ -167,9 +167,9 @@ FastAlloc::dump_oldest(int n)
return;
}
- for (FastAlloc *p = inUseHead.inUsePrev;
+ for (FastAlloc *p = inUseHead.inUseNext;
p != &inUseHead && n > 0;
- p = p->inUsePrev, --n)
+ p = p->inUseNext, --n)
{
cout << p << " " << typeid(*p).name() << endl;
}
@@ -180,11 +180,13 @@ FastAlloc::dump_oldest(int n)
// C interfaces to FastAlloc::dump_summary() and FastAlloc::dump_oldest().
// gdb seems to have trouble with calling C++ functions directly.
//
+void
fast_alloc_summary()
{
FastAlloc::dump_summary();
}
+void
fast_alloc_oldest(int n)
{
FastAlloc::dump_oldest(n);
diff --git a/src/base/fast_alloc.hh b/src/base/fast_alloc.hh
index 3e22e59c1..50b761c9c 100644
--- a/src/base/fast_alloc.hh
+++ b/src/base/fast_alloc.hh
@@ -62,15 +62,9 @@
// collapse the destructor call chain back up the inheritance
// hierarchy.
-// Uncomment this #define to track in-use objects
-// (for debugging memory leaks).
-//#define FAST_ALLOC_DEBUG
-
-// Uncomment this #define to count news, deletes, and chunk allocations
-// (by bucket).
-// #define FAST_ALLOC_STATS
-
#include "config/no_fast_alloc.hh"
+#include "config/fast_alloc_debug.hh"
+#include "config/fast_alloc_stats.hh"
#if NO_FAST_ALLOC
@@ -88,7 +82,7 @@ class FastAlloc {
void *operator new(size_t);
void operator delete(void *, size_t);
-#ifdef FAST_ALLOC_DEBUG
+#if FAST_ALLOC_DEBUG
FastAlloc();
FastAlloc(FastAlloc*,FastAlloc*); // for inUseHead, see below
virtual ~FastAlloc();
@@ -121,13 +115,13 @@ class FastAlloc {
static void *freeLists[Num_Buckets];
-#ifdef FAST_ALLOC_STATS
+#if FAST_ALLOC_STATS
static unsigned newCount[Num_Buckets];
static unsigned deleteCount[Num_Buckets];
static unsigned allocCount[Num_Buckets];
#endif
-#ifdef FAST_ALLOC_DEBUG
+#if FAST_ALLOC_DEBUG
// per-object debugging fields
bool inUse; // in-use flag
FastAlloc *inUsePrev; // ptrs to build list of in-use objects
@@ -170,7 +164,7 @@ void *FastAlloc::allocate(size_t sz)
else
p = moreStructs(b);
-#ifdef FAST_ALLOC_STATS
+#if FAST_ALLOC_STATS
++newCount[b];
#endif
@@ -192,7 +186,7 @@ void FastAlloc::deallocate(void *p, size_t sz)
b = bucketFor(sz);
*(void **)p = freeLists[b];
freeLists[b] = p;
-#ifdef FAST_ALLOC_STATS
+#if FAST_ALLOC_STATS
++deleteCount[b];
#endif
}