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Added tracing for net buffer data header references at tracing level 2.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25217 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-04-27 17:17:20 +00:00
parent 2c88b9c82a
commit c96512dab1
1 changed files with 84 additions and 2 deletions
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86
src/add-ons/kernel/network/stack/net_buffer.cpp
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@ -426,6 +426,83 @@ class Write : public NetBufferTraceEntry {
};
#if NET_BUFFER_TRACING >= 2
class DataHeaderTraceEntry : public AbstractTraceEntry {
public:
DataHeaderTraceEntry(data_header* header)
:
fHeader(header)
{
}
protected:
data_header* fHeader;
};
class CreateDataHeader : public DataHeaderTraceEntry {
public:
CreateDataHeader(data_header* header)
:
DataHeaderTraceEntry(header)
{
Initialized();
}
virtual void AddDump(TraceOutput& out)
{
out.Print("net buffer data header create: header: %p", fHeader);
}
};
class AcquireDataHeader : public DataHeaderTraceEntry {
public:
AcquireDataHeader(data_header* header, int32 refCount)
:
DataHeaderTraceEntry(header),
fRefCount(refCount)
{
Initialized();
}
virtual void AddDump(TraceOutput& out)
{
out.Print("net buffer data header acquire: header: %p "
"-> ref count: %ld", fHeader, fRefCount);
}
private:
int32 fRefCount;
};
class ReleaseDataHeader : public DataHeaderTraceEntry {
public:
ReleaseDataHeader(data_header* header, int32 refCount)
:
DataHeaderTraceEntry(header),
fRefCount(refCount)
{
Initialized();
}
virtual void AddDump(TraceOutput& out)
{
out.Print("net buffer data header release: header: %p "
"-> ref count: %ld", fHeader, fRefCount);
}
private:
int32 fRefCount;
};
# define T2(x) new(std::nothrow) NetBufferTracing::x
#else
# define T2(x)
#endif // NET_BUFFER_TRACING >= 2
} // namespace NetBufferTracing
# define T(x) new(std::nothrow) NetBufferTracing::x
@ -557,6 +634,7 @@ create_data_header(size_t headerSpace)
header->first_node = NULL;
TRACE(("%ld: create new data header %p\n", find_thread(NULL), header));
T2(CreateDataHeader(header));
return header;
}
@ -564,7 +642,9 @@ create_data_header(size_t headerSpace)
static void
release_data_header(data_header *header)
{
if (atomic_add(&header->ref_count, -1) != 1)
int32 refCount = atomic_add(&header->ref_count, -1);
T2(ReleaseDataHeader(header, refCount - 1));
if (refCount != 1)
return;
TRACE(("%ld: free header %p\n", find_thread(NULL), header));
@ -575,7 +655,9 @@ release_data_header(data_header *header)
inline void
acquire_data_header(data_header *header)
{
atomic_add(&header->ref_count, 1);
int32 refCount = atomic_add(&header->ref_count, 1);
(void)refCount;
T2(AcquireDataHeader(header, refCount + 1));
}