| // 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 "base/trace_event/process_memory_maps.h" |
| |
| #include "base/format_macros.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/trace_event/trace_event_argument.h" |
| |
| namespace base { |
| namespace trace_event { |
| |
| // static |
| const uint32_t ProcessMemoryMaps::VMRegion::kProtectionFlagsRead = 4; |
| const uint32_t ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite = 2; |
| const uint32_t ProcessMemoryMaps::VMRegion::kProtectionFlagsExec = 1; |
| const uint32_t ProcessMemoryMaps::VMRegion::kProtectionFlagsMayshare = 128; |
| |
| ProcessMemoryMaps::VMRegion::VMRegion() |
| : start_address(0), |
| size_in_bytes(0), |
| protection_flags(0), |
| byte_stats_private_dirty_resident(0), |
| byte_stats_private_clean_resident(0), |
| byte_stats_shared_dirty_resident(0), |
| byte_stats_shared_clean_resident(0), |
| byte_stats_swapped(0), |
| byte_stats_proportional_resident(0) { |
| } |
| |
| ProcessMemoryMaps::VMRegion::VMRegion(const VMRegion& other) = default; |
| |
| ProcessMemoryMaps::ProcessMemoryMaps() { |
| } |
| |
| ProcessMemoryMaps::~ProcessMemoryMaps() { |
| } |
| |
| void ProcessMemoryMaps::AsValueInto(TracedValue* value) const { |
| static const char kHexFmt[] = "%" PRIx64; |
| |
| // Refer to the design doc goo.gl/sxfFY8 for the semantic of these fields. |
| value->BeginArray("vm_regions"); |
| for (const auto& region : vm_regions_) { |
| value->BeginDictionary(); |
| |
| value->SetString("sa", StringPrintf(kHexFmt, region.start_address)); |
| value->SetString("sz", StringPrintf(kHexFmt, region.size_in_bytes)); |
| value->SetInteger("pf", region.protection_flags); |
| value->SetString("mf", region.mapped_file); |
| |
| value->BeginDictionary("bs"); // byte stats |
| value->SetString( |
| "pss", StringPrintf(kHexFmt, region.byte_stats_proportional_resident)); |
| value->SetString( |
| "pd", StringPrintf(kHexFmt, region.byte_stats_private_dirty_resident)); |
| value->SetString( |
| "pc", StringPrintf(kHexFmt, region.byte_stats_private_clean_resident)); |
| value->SetString( |
| "sd", StringPrintf(kHexFmt, region.byte_stats_shared_dirty_resident)); |
| value->SetString( |
| "sc", StringPrintf(kHexFmt, region.byte_stats_shared_clean_resident)); |
| value->SetString("sw", StringPrintf(kHexFmt, region.byte_stats_swapped)); |
| value->EndDictionary(); |
| |
| value->EndDictionary(); |
| } |
| value->EndArray(); |
| } |
| |
| void ProcessMemoryMaps::Clear() { |
| vm_regions_.clear(); |
| } |
| |
| } // namespace trace_event |
| } // namespace base |