Adding thread id to PartitionAlloc memory dumps dumps for single process mode and bug fix.

Source/platform/PartitionAllocMemoryDumpProvider.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "Source/platform/PartitionAllocMemoryDumpProvider.h"
 
 #include "public/platform/WebMemoryAllocatorDump.h"
 #include "public/platform/WebProcessMemoryDump.h"
 #include "wtf/Partitions.h"
+#include "wtf/Threading.h"
 
 namespace blink {
 
 namespace {
 
 using namespace WTF;
 
 // This class is used to invert the dependency of PartitionAlloc on the
 // PartitionAllocMemoryDumpProvider. This implements an interface that will
 // be called with memory statistics for each bucket in the allocator.
 class PartitionStatsDumperImpl final : public PartitionStatsDumper {
 public:
     explicit PartitionStatsDumperImpl(WebProcessMemoryDump* memoryDump)
         : m_memoryDump(memoryDump), m_uid(0) { }
 
     // PartitionStatsDumper implementation.
     void partitionsDumpBucketStats(const char* partitionName, const PartitionBucketMemoryStats*) override;
 
 private:
     WebProcessMemoryDump* m_memoryDump;
     size_t m_uid;
 };
 
 void PartitionStatsDumperImpl::partitionsDumpBucketStats(const char* partitionName, const PartitionBucketMemoryStats* memoryStats)
 {
     ASSERT(memoryStats->isValid);
     String dumpName;
     if (memoryStats->isDirectMap)
-        dumpName = String::format("partition_alloc/%s/directMap_%zu", partitionName, ++m_uid);
+        dumpName = String::format("partition_alloc/thread_%lu/%s/directMap_%lu", static_cast<unsigned long>(WTF::currentThread()), partitionName, static_cast<unsigned long>(++m_uid));
     else
-        dumpName = String::format("partition_alloc/%s/bucket_%zu", partitionName, static_cast<size_t>(memoryStats->bucketSlotSize));
+        dumpName = String::format("partition_alloc/thread_%lu/%s/bucket_%u", static_cast<unsigned long>(WTF::currentThread()), partitionName, static_cast<unsigned>(memoryStats->bucketSlotSize));
 
     WebMemoryAllocatorDump* allocatorDump = m_memoryDump->createMemoryAllocatorDump(dumpName);
     allocatorDump->AddScalar("size", "bytes", memoryStats->residentBytes);
     allocatorDump->AddScalar("slot_size", "bytes", memoryStats->bucketSlotSize);
     allocatorDump->AddScalar("active_size", "bytes", memoryStats->activeBytes);
     allocatorDump->AddScalar("resident_size", "bytes", memoryStats->residentBytes);
     allocatorDump->AddScalar("decommittable_size", "bytes", memoryStats->decommittableBytes);
     allocatorDump->AddScalar("discardable_size", "bytes", memoryStats->discardableBytes);
     allocatorDump->AddScalar("num_active", "objects", memoryStats->numActivePages);
     allocatorDump->AddScalar("num_full", "objects", memoryStats->numFullPages);
@@ skipping 25 matching lines @@
 
 PartitionAllocMemoryDumpProvider::PartitionAllocMemoryDumpProvider()
 {
 }
 
 PartitionAllocMemoryDumpProvider::~PartitionAllocMemoryDumpProvider()
 {
 }
 
 } // namespace blink