Breakdown "unhooked" memory regions by VMA pathnames and permissions.

third_party/tcmalloc/chromium/src/deep-heap-profile.cc

 // Copyright (c) 2012 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.
 
 // ---
 // Author: Sainbayar Sukhbaatar
 //         Dai Mikurube
 //
 
 #include "deep-heap-profile.h"
@@ skipping 23 matching lines @@
 static const char kProfileVersion[] = "DUMP_DEEP_6";
 static const char kMetaInformationHeader[] = "META:\n";
 static const char kMMapListHeader[] = "MMAP_LIST:\n";
 static const char kGlobalStatsHeader[] = "GLOBAL_STATS:\n";
 static const char kStacktraceHeader[] = "STACKTRACES:\n";
 static const char kProcSelfMapsHeader[] = "\nMAPPED_LIBRARIES:\n";
 
 static const char kVirtualLabel[] = "virtual";
 static const char kCommittedLabel[] = "committed";
 
-const char* DeepHeapProfile::kMapsRegionTypeDict[] = {
-  "absent",
-  "anonymous",
-  "file-exec",
-  "file-nonexec",
-  "stack",
-  "other",
-};
-
 namespace {
 
 #if defined(__linux__)
 
 // Implements MemoryResidenceInfoGetterInterface for Linux.
 class MemoryInfoGetterLinux :
     public DeepHeapProfile::MemoryResidenceInfoGetterInterface {
  public:
   MemoryInfoGetterLinux(): fd_(kIllegalRawFD) {}
   virtual ~MemoryInfoGetterLinux() {}
@@ skipping 697 matching lines @@
           uint64 committed_size = unhooked_[type].Record(
               memory_residence_info_getter,
               cursor,
               last_address_of_unhooked);
           if (mmap_dump_buffer) {
             mmap_dump_buffer->AppendString("  ", 0);
             mmap_dump_buffer->AppendPtr(cursor, 0);
             mmap_dump_buffer->AppendString(" - ", 0);
             mmap_dump_buffer->AppendPtr(last_address_of_unhooked + 1, 0);
             mmap_dump_buffer->AppendString("  unhooked ", 0);
-            mmap_dump_buffer->AppendString(kMapsRegionTypeDict[type], 0);
-            mmap_dump_buffer->AppendString(" ", 0);
             mmap_dump_buffer->AppendInt64(committed_size, 0);
             mmap_dump_buffer->AppendString(" / ", 0);
             mmap_dump_buffer->AppendInt64(
                 last_address_of_unhooked - cursor + 1, 0);
             mmap_dump_buffer->AppendString("\n", 0);
           }
           cursor = last_address_of_unhooked + 1;
         }
 
         if (mmap_iter != MemoryRegionMap::EndRegionLocked() &&
@@ skipping 13 matching lines @@
           uint64 committed_size = memory_residence_info_getter->CommittedSize(
               partial_first_address, partial_last_address);
           mmap_dump_buffer->AppendString(trailing ? " (" : "  ", 0);
           mmap_dump_buffer->AppendPtr(mmap_iter->start_addr, 0);
           mmap_dump_buffer->AppendString(trailing ? ")" : " ", 0);
           mmap_dump_buffer->AppendString("-", 0);
           mmap_dump_buffer->AppendString(continued ? "(" : " ", 0);
           mmap_dump_buffer->AppendPtr(mmap_iter->end_addr, 0);
           mmap_dump_buffer->AppendString(continued ? ")" : " ", 0);
           mmap_dump_buffer->AppendString(" hooked ", 0);
-          mmap_dump_buffer->AppendString(kMapsRegionTypeDict[type], 0);
-          mmap_dump_buffer->AppendString(" ", 0);
           mmap_dump_buffer->AppendInt64(committed_size, 0);
           mmap_dump_buffer->AppendString(" / ", 0);
           mmap_dump_buffer->AppendInt64(
               partial_last_address - partial_first_address + 1, 0);
           mmap_dump_buffer->AppendString(" @ ", 0);
           if (deep_bucket != NULL) {
             mmap_dump_buffer->AppendInt(deep_bucket->id, 0, false);
           } else {
             mmap_dump_buffer->AppendInt(0, 0, false);
           }
@@ skipping 165 matching lines @@
 }
 
 DeepHeapProfile::~DeepHeapProfile() {
 }
 
 int DeepHeapProfile::FillOrderedProfile(char raw_buffer[], int buffer_size) {
   return heap_profile_->FillOrderedProfile(raw_buffer, buffer_size);
 }
 
 #endif  // USE_DEEP_HEAP_PROFILE