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// 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 "chrome/browser/memory/oom_memory_details.h"
#include "base/logging.h"
#include "base/process/process_metrics.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/memory/oom_memory_details.h"
#include "ui/base/text/bytes_formatting.h"
namespace memory {
// static
void OomMemoryDetails::Log(const std::string& title,
const base::Closure& callback) {
// Deletes itself upon completion.
OomMemoryDetails* details = new OomMemoryDetails(title, callback);
details->StartFetch(MemoryDetails::FROM_CHROME_ONLY);
}
OomMemoryDetails::OomMemoryDetails(const std::string& title,
const base::Closure& callback)
: title_(title), callback_(callback) {
AddRef(); // Released in OnDetailsAvailable().
start_time_ = base::TimeTicks::Now();
}
OomMemoryDetails::~OomMemoryDetails() {
}
void OomMemoryDetails::OnDetailsAvailable() {
base::TimeDelta delta = base::TimeTicks::Now() - start_time_;
// These logs are collected by user feedback reports. We want them to help
// diagnose user-reported problems with frequently discarded tabs.
std::string log_string = ToLogString();
#if defined(OS_CHROMEOS)
base::SystemMemoryInfoKB memory;
if (base::GetSystemMemoryInfo(&memory) && memory.gem_size != -1) {
log_string += "Graphics ";
log_string += base::UTF16ToASCII(ui::FormatBytes(memory.gem_size));
}
#endif
LOG(WARNING) << title_ << " (" << delta.InMilliseconds() << " ms):\n"
<< log_string;
if (!callback_.is_null())
callback_.Run();
// Delete ourselves so we don't have to worry about OomPriorityManager
// deleting us when we're still working.
Release();
}
} // namespace memory
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