69b874fee0
The methodology used to generate this CL is documented in https://crbug.com/1098010#c95. No-Try: true Bug: 1098010 Change-Id: I68bb81a4dcae37f944f4d8cd39d82ed540364615 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3899461 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1047607}
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_
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#define SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_
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#include <string>
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#include "base/memory/raw_ptr.h"
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#include "base/synchronization/lock.h"
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#include "base/thread_annotations.h"
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#include "base/trace_event/memory_dump_provider.h"
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struct sqlite3;
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namespace base::trace_event {
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struct MemoryDumpArgs;
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class ProcessMemoryDump;
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} // namespace base::trace_event
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namespace sql {
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class DatabaseMemoryDumpProvider
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: public base::trace_event::MemoryDumpProvider {
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public:
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DatabaseMemoryDumpProvider(sqlite3* db, const std::string& name);
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DatabaseMemoryDumpProvider(const DatabaseMemoryDumpProvider&) = delete;
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DatabaseMemoryDumpProvider& operator=(const DatabaseMemoryDumpProvider&) =
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delete;
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~DatabaseMemoryDumpProvider() override;
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void ResetDatabase();
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// base::trace_event::MemoryDumpProvider implementation.
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bool OnMemoryDump(
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const base::trace_event::MemoryDumpArgs& args,
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base::trace_event::ProcessMemoryDump* process_memory_dump) override;
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// Reports memory usage into provided memory dump with the given |dump_name|.
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// Called by sql::Database when its owner asks it to report memory usage.
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bool ReportMemoryUsage(base::trace_event::ProcessMemoryDump* pmd,
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const std::string& dump_name);
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private:
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struct MemoryUsageResult {
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bool is_valid = false;
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int cache_size = 0;
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int schema_size = 0;
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int statement_size = 0;
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};
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MemoryUsageResult GetDbMemoryUsage();
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std::string FormatDumpName() const;
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base::Lock lock_;
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raw_ptr<sqlite3> db_ GUARDED_BY_CONTEXT(lock_); // not owned.
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const std::string connection_name_;
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};
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} // namespace sql
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#endif // SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_
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