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-rw-r--r--tools/memory-profiler/GCHeapProfilerImpl.cpp168
1 files changed, 0 insertions, 168 deletions
diff --git a/tools/memory-profiler/GCHeapProfilerImpl.cpp b/tools/memory-profiler/GCHeapProfilerImpl.cpp
deleted file mode 100644
index 528a05501..000000000
--- a/tools/memory-profiler/GCHeapProfilerImpl.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "GCHeapProfilerImpl.h"
-
-#include "UncensoredAllocator.h"
-
-namespace mozilla {
-
-GCHeapProfilerImpl::GCHeapProfilerImpl()
-{
- mLock = PR_NewLock();
- mMarking = false;
-}
-
-GCHeapProfilerImpl::~GCHeapProfilerImpl()
-{
- if (mLock) {
- PR_DestroyLock(mLock);
- }
-}
-
-nsTArray<nsCString>
-GCHeapProfilerImpl::GetNames() const
-{
- return mTraceTable.GetNames();
-}
-
-nsTArray<TrieNode>
-GCHeapProfilerImpl::GetTraces() const
-{
- return mTraceTable.GetTraces();
-}
-
-const nsTArray<AllocEvent>&
-GCHeapProfilerImpl::GetEvents() const
-{
- return mAllocEvents;
-}
-
-void
-GCHeapProfilerImpl::reset()
-{
- mTraceTable.Reset();
- mAllocEvents.Clear();
- mNurseryEntries.Clear();
- mTenuredEntriesFG.Clear();
- mTenuredEntriesBG.Clear();
-}
-
-void
-GCHeapProfilerImpl::sampleTenured(void* addr, uint32_t size)
-{
- SampleInternal(addr, size, mTenuredEntriesFG);
-}
-
-void
-GCHeapProfilerImpl::sampleNursery(void* addr, uint32_t size)
-{
- SampleInternal(addr, size, mNurseryEntries);
-}
-
-void
-GCHeapProfilerImpl::markTenuredStart()
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- if (!mMarking) {
- mMarking = true;
- mTenuredEntriesFG.SwapElements(mTenuredEntriesBG);
- MOZ_ASSERT(mTenuredEntriesFG.Count() == 0);
- }
-}
-
-void
-GCHeapProfilerImpl::markTenured(void* addr)
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- if (mMarking) {
- AllocEntry entry;
- if (mTenuredEntriesBG.Get(addr, &entry)) {
- entry.mMarked = true;
- mTenuredEntriesBG.Put(addr, entry);
- }
- }
-}
-
-void
-GCHeapProfilerImpl::sweepTenured()
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- if (mMarking) {
- mMarking = false;
- for (auto iter = mTenuredEntriesBG.Iter(); !iter.Done(); iter.Next()) {
- if (iter.Data().mMarked) {
- iter.Data().mMarked = false;
- mTenuredEntriesFG.Put(iter.Key(), iter.Data());
- } else {
- AllocEvent& oldEvent = mAllocEvents[iter.Data().mEventIdx];
- AllocEvent newEvent(oldEvent.mTraceIdx, -oldEvent.mSize, TimeStamp::Now());
- mAllocEvents.AppendElement(newEvent);
- }
- }
- mTenuredEntriesBG.Clear();
- }
-}
-
-void
-GCHeapProfilerImpl::sweepNursery()
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- for (auto iter = mNurseryEntries.Iter(); !iter.Done(); iter.Next()) {
- AllocEvent& oldEvent = mAllocEvents[iter.Data().mEventIdx];
- AllocEvent newEvent(oldEvent.mTraceIdx, -oldEvent.mSize, TimeStamp::Now());
- mAllocEvents.AppendElement(newEvent);
- }
- mNurseryEntries.Clear();
-}
-
-void
-GCHeapProfilerImpl::moveNurseryToTenured(void* addrOld, void* addrNew)
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- AllocEntry entryOld;
- if (!mNurseryEntries.Get(addrOld, &entryOld)) {
- return;
- }
-
- // Because the tenured heap is sampled, the address might already be there.
- // If not, the address is inserted with the old event.
- AllocEntry tenuredEntryOld;
- if (!mTenuredEntriesFG.Get(addrNew, &tenuredEntryOld)) {
- mTenuredEntriesFG.Put(addrNew, AllocEntry(entryOld.mEventIdx));
- } else {
- // If it is already inserted, the insertion above will fail and the
- // iterator of the already-inserted element is returned.
- // We choose to ignore the the new event by setting its size zero and point
- // the newly allocated address to the old event.
- // An event of size zero will be skipped when reporting.
- mAllocEvents[entryOld.mEventIdx].mSize = 0;
- tenuredEntryOld.mEventIdx = entryOld.mEventIdx;
- mTenuredEntriesFG.Put(addrNew, tenuredEntryOld);
- }
- mNurseryEntries.Remove(addrOld);
-}
-
-void
-GCHeapProfilerImpl::SampleInternal(void* aAddr, uint32_t aSize, AllocMap& aTable)
-{
- AutoUseUncensoredAllocator ua;
- AutoMPLock lock(mLock);
- size_t nSamples = AddBytesSampled(aSize);
- if (nSamples > 0) {
- nsTArray<nsCString> trace = GetStacktrace();
- AllocEvent ai(mTraceTable.Insert(trace), nSamples * mSampleSize, TimeStamp::Now());
- aTable.Put(aAddr, AllocEntry(mAllocEvents.Length()));
- mAllocEvents.AppendElement(ai);
- }
-}
-
-} // namespace mozilla