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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "sql/connection_memory_dump_provider.h" | 5 #include "sql/connection_memory_dump_provider.h" |
6 | 6 |
7 #include <inttypes.h> | 7 #include <inttypes.h> |
8 | 8 |
9 #include "base/strings/stringprintf.h" | 9 #include "base/strings/stringprintf.h" |
10 #include "base/trace_event/process_memory_dump.h" | 10 #include "base/trace_event/process_memory_dump.h" |
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26 | 26 |
27 bool ConnectionMemoryDumpProvider::OnMemoryDump( | 27 bool ConnectionMemoryDumpProvider::OnMemoryDump( |
28 const base::trace_event::MemoryDumpArgs& args, | 28 const base::trace_event::MemoryDumpArgs& args, |
29 base::trace_event::ProcessMemoryDump* pmd) { | 29 base::trace_event::ProcessMemoryDump* pmd) { |
30 if (args.level_of_detail == base::trace_event::MemoryDumpLevelOfDetail::LIGHT) | 30 if (args.level_of_detail == base::trace_event::MemoryDumpLevelOfDetail::LIGHT) |
31 return true; | 31 return true; |
32 | 32 |
33 int cache_size = 0; | 33 int cache_size = 0; |
34 int schema_size = 0; | 34 int schema_size = 0; |
35 int statement_size = 0; | 35 int statement_size = 0; |
36 { | 36 if (!GetDbMemoryUsage(&cache_size, &schema_size, &statement_size)) { |
37 // Lock is acquired here so that db_ is not reset in ResetDatabase when | 37 return false; |
38 // collecting stats. | |
39 base::AutoLock lock(lock_); | |
40 if (!db_) { | |
41 return false; | |
42 } | |
43 | |
44 // The high water mark is not tracked for the following usages. | |
45 int dummy_int; | |
46 int status = sqlite3_db_status(db_, SQLITE_DBSTATUS_CACHE_USED, &cache_size, | |
47 &dummy_int, 0 /* resetFlag */); | |
48 DCHECK_EQ(SQLITE_OK, status); | |
49 status = sqlite3_db_status(db_, SQLITE_DBSTATUS_SCHEMA_USED, &schema_size, | |
50 &dummy_int, 0 /* resetFlag */); | |
51 DCHECK_EQ(SQLITE_OK, status); | |
52 status = sqlite3_db_status(db_, SQLITE_DBSTATUS_STMT_USED, &statement_size, | |
53 &dummy_int, 0 /* resetFlag */); | |
54 DCHECK_EQ(SQLITE_OK, status); | |
55 } | 38 } |
56 | 39 |
57 std::string name = base::StringPrintf( | 40 base::trace_event::MemoryAllocatorDump* dump = |
58 "sqlite/%s_connection/0x%" PRIXPTR, | 41 pmd->CreateAllocatorDump(FormatDumpName()); |
59 connection_name_.empty() ? "Unknown" : connection_name_.c_str(), | |
60 reinterpret_cast<uintptr_t>(this)); | |
61 base::trace_event::MemoryAllocatorDump* dump = pmd->CreateAllocatorDump(name); | |
62 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, | 42 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
63 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 43 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
64 cache_size + schema_size + statement_size); | 44 cache_size + schema_size + statement_size); |
65 dump->AddScalar("cache_size", | 45 dump->AddScalar("cache_size", |
66 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 46 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
67 cache_size); | 47 cache_size); |
68 dump->AddScalar("schema_size", | 48 dump->AddScalar("schema_size", |
69 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 49 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
70 schema_size); | 50 schema_size); |
71 dump->AddScalar("statement_size", | 51 dump->AddScalar("statement_size", |
72 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 52 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
73 statement_size); | 53 statement_size); |
74 return true; | 54 return true; |
75 } | 55 } |
76 | 56 |
| 57 bool ConnectionMemoryDumpProvider::ReportMemoryUsage( |
| 58 base::trace_event::MemoryAllocatorDump* mad) { |
| 59 int cache_size = 0; |
| 60 int schema_size = 0; |
| 61 int statement_size = 0; |
| 62 if (!GetDbMemoryUsage(&cache_size, &schema_size, &statement_size)) { |
| 63 return false; |
| 64 } |
| 65 |
| 66 mad->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
| 67 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 68 cache_size + schema_size + statement_size); |
| 69 mad->process_memory_dump()->AddSuballocation(mad->guid(), FormatDumpName()); |
| 70 |
| 71 return true; |
| 72 } |
| 73 |
| 74 bool ConnectionMemoryDumpProvider::GetDbMemoryUsage(int* cache_size, |
| 75 int* schema_size, |
| 76 int* statement_size) { |
| 77 // Lock is acquired here so that db_ is not reset in ResetDatabase when |
| 78 // collecting stats. |
| 79 base::AutoLock lock(lock_); |
| 80 if (!db_) { |
| 81 return false; |
| 82 } |
| 83 |
| 84 // The high water mark is not tracked for the following usages. |
| 85 int dummy_int; |
| 86 int status = sqlite3_db_status(db_, SQLITE_DBSTATUS_CACHE_USED, cache_size, |
| 87 &dummy_int, 0 /* resetFlag */); |
| 88 DCHECK_EQ(SQLITE_OK, status); |
| 89 status = sqlite3_db_status(db_, SQLITE_DBSTATUS_SCHEMA_USED, schema_size, |
| 90 &dummy_int, 0 /* resetFlag */); |
| 91 DCHECK_EQ(SQLITE_OK, status); |
| 92 status = sqlite3_db_status(db_, SQLITE_DBSTATUS_STMT_USED, statement_size, |
| 93 &dummy_int, 0 /* resetFlag */); |
| 94 DCHECK_EQ(SQLITE_OK, status); |
| 95 |
| 96 return true; |
| 97 } |
| 98 |
| 99 std::string ConnectionMemoryDumpProvider::FormatDumpName() const { |
| 100 return base::StringPrintf( |
| 101 "sqlite/%s_connection/0x%" PRIXPTR, |
| 102 connection_name_.empty() ? "Unknown" : connection_name_.c_str(), |
| 103 reinterpret_cast<uintptr_t>(this)); |
| 104 } |
| 105 |
77 } // namespace sql | 106 } // namespace sql |
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