Index: sql/connection_memory_dump_provider.cc |
diff --git a/sql/connection_memory_dump_provider.cc b/sql/connection_memory_dump_provider.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..84fc48f2db94e9b81be48ed1def56641362b39b4 |
--- /dev/null |
+++ b/sql/connection_memory_dump_provider.cc |
@@ -0,0 +1,67 @@ |
+// 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 "sql/connection_memory_dump_provider.h" |
+ |
+#include "base/strings/stringprintf.h" |
+#include "base/trace_event/process_memory_dump.h" |
+#include "third_party/sqlite/sqlite3.h" |
+ |
+namespace sql { |
+ |
+ConnectionMemoryDumpProvider::ConnectionMemoryDumpProvider( |
+ sqlite3* db, |
+ const std::string& name) |
+ : db_(db), name_(name) { |
+ DCHECK(db_); |
Primiano Tucci (use gerrit)
2016/01/11 19:27:42
this dcheck doesn't seem to be really needed as yo
ssid
2016/01/12 12:23:07
Done.
|
+} |
+ |
+ConnectionMemoryDumpProvider::~ConnectionMemoryDumpProvider() {} |
+ |
+bool ConnectionMemoryDumpProvider::OnMemoryDump( |
+ const base::trace_event::MemoryDumpArgs& args, |
+ base::trace_event::ProcessMemoryDump* pmd) { |
+ if (args.level_of_detail == base::trace_event::MemoryDumpLevelOfDetail::LIGHT) |
+ return true; |
+ |
+ base::AutoLock l(lock_); |
Primiano Tucci (use gerrit)
2016/01/11 19:27:42
add a comment explaining why you need this lock he
ssid
2016/01/12 12:23:07
Done.
|
+ if (!db_) { |
+ return false; |
+ } |
+ |
+ // The high water mark is not tracked for the following usages. |
+ int cache_size, dummy_int; |
+ int status; |
+ status = sqlite3_db_status(db_, SQLITE_DBSTATUS_CACHE_USED, &cache_size, |
+ &dummy_int, 0 /* resetFlag */); |
+ DCHECK_EQ(SQLITE_OK, status); |
+ int schema_size; |
+ status = sqlite3_db_status(db_, SQLITE_DBSTATUS_SCHEMA_USED, &schema_size, |
+ &dummy_int, 0 /* resetFlag */); |
+ DCHECK_EQ(SQLITE_OK, status); |
+ int statement_size; |
+ status = sqlite3_db_status(db_, SQLITE_DBSTATUS_STMT_USED, &statement_size, |
+ &dummy_int, 0 /* resetFlag */); |
+ DCHECK_EQ(SQLITE_OK, status); |
+ |
+ std::string name = |
+ base::StringPrintf("sqlite/%s_connection/%p", |
+ name_.empty() ? "Unknown" : name_.c_str(), this); |
+ base::trace_event::MemoryAllocatorDump* dump = pmd->CreateAllocatorDump(name); |
+ dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
+ base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
+ cache_size + schema_size + statement_size); |
+ dump->AddScalar("cache_size", |
+ base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
+ cache_size); |
+ dump->AddScalar("schema_size", |
+ base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
+ schema_size); |
+ dump->AddScalar("statement_size", |
+ base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
+ statement_size); |
+ return true; |
+} |
+ |
+} // namespace sql |