| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/trace_event/process_memory_maps.h" | |
| 6 | |
| 7 #include "base/format_macros.h" | |
| 8 #include "base/strings/stringprintf.h" | |
| 9 #include "base/trace_event/trace_event_argument.h" | |
| 10 | |
| 11 namespace base { | |
| 12 namespace trace_event { | |
| 13 | |
| 14 // static | |
| 15 const uint32 ProcessMemoryMaps::VMRegion::kProtectionFlagsRead = 4; | |
| 16 const uint32 ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite = 2; | |
| 17 const uint32 ProcessMemoryMaps::VMRegion::kProtectionFlagsExec = 1; | |
| 18 | |
| 19 ProcessMemoryMaps::VMRegion::VMRegion() | |
| 20 : start_address(0), | |
| 21 size_in_bytes(0), | |
| 22 protection_flags(0), | |
| 23 byte_stats_private_dirty_resident(0), | |
| 24 byte_stats_private_clean_resident(0), | |
| 25 byte_stats_shared_dirty_resident(0), | |
| 26 byte_stats_shared_clean_resident(0), | |
| 27 byte_stats_swapped(0), | |
| 28 byte_stats_proportional_resident(0) { | |
| 29 } | |
| 30 | |
| 31 ProcessMemoryMaps::ProcessMemoryMaps() { | |
| 32 } | |
| 33 | |
| 34 ProcessMemoryMaps::~ProcessMemoryMaps() { | |
| 35 } | |
| 36 | |
| 37 void ProcessMemoryMaps::AsValueInto(TracedValue* value) const { | |
| 38 static const char kHexFmt[] = "%" PRIx64; | |
| 39 | |
| 40 // Refer to the design doc goo.gl/sxfFY8 for the semantic of these fields. | |
| 41 value->BeginArray("vm_regions"); | |
| 42 for (const auto& region : vm_regions_) { | |
| 43 value->BeginDictionary(); | |
| 44 | |
| 45 value->SetString("sa", StringPrintf(kHexFmt, region.start_address)); | |
| 46 value->SetString("sz", StringPrintf(kHexFmt, region.size_in_bytes)); | |
| 47 value->SetInteger("pf", region.protection_flags); | |
| 48 value->SetString("mf", region.mapped_file); | |
| 49 | |
| 50 value->BeginDictionary("bs"); // byte stats | |
| 51 value->SetString( | |
| 52 "pss", StringPrintf(kHexFmt, region.byte_stats_proportional_resident)); | |
| 53 value->SetString( | |
| 54 "pd", StringPrintf(kHexFmt, region.byte_stats_private_dirty_resident)); | |
| 55 value->SetString( | |
| 56 "pc", StringPrintf(kHexFmt, region.byte_stats_private_clean_resident)); | |
| 57 value->SetString( | |
| 58 "sd", StringPrintf(kHexFmt, region.byte_stats_shared_dirty_resident)); | |
| 59 value->SetString( | |
| 60 "sc", StringPrintf(kHexFmt, region.byte_stats_shared_clean_resident)); | |
| 61 value->SetString("sw", StringPrintf(kHexFmt, region.byte_stats_swapped)); | |
| 62 value->EndDictionary(); | |
| 63 | |
| 64 value->EndDictionary(); | |
| 65 } | |
| 66 value->EndArray(); | |
| 67 } | |
| 68 | |
| 69 void ProcessMemoryMaps::Clear() { | |
| 70 vm_regions_.clear(); | |
| 71 } | |
| 72 | |
| 73 } // namespace trace_event | |
| 74 } // namespace base | |
| OLD | NEW |
|---|
Chromium Code Reviews
