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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 "base/trace_event/process_memory_totals_dump_provider.h"
#include "base/process/process_metrics.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/process_memory_totals.h"
namespace base {
namespace trace_event {
// static
uint64 ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing = 0;
namespace {
ProcessMetrics* CreateProcessMetricsForCurrentProcess() {
#if !defined(OS_MACOSX) || defined(OS_IOS)
return ProcessMetrics::CreateProcessMetrics(GetCurrentProcessHandle());
#else
return ProcessMetrics::CreateProcessMetrics(GetCurrentProcessHandle(), NULL);
#endif
}
} // namespace
// static
ProcessMemoryTotalsDumpProvider*
ProcessMemoryTotalsDumpProvider::GetInstance() {
return Singleton<
ProcessMemoryTotalsDumpProvider,
LeakySingletonTraits<ProcessMemoryTotalsDumpProvider>>::get();
}
ProcessMemoryTotalsDumpProvider::ProcessMemoryTotalsDumpProvider()
: process_metrics_(CreateProcessMetricsForCurrentProcess()) {
}
ProcessMemoryTotalsDumpProvider::~ProcessMemoryTotalsDumpProvider() {
}
// Called at trace dump point time. Creates a snapshot the memory counters for
// the current process.
bool ProcessMemoryTotalsDumpProvider::OnMemoryDump(ProcessMemoryDump* pmd) {
const uint64 rss_bytes = rss_bytes_for_testing
? rss_bytes_for_testing
: process_metrics_->GetWorkingSetSize();
if (rss_bytes > 0) {
pmd->process_totals()->set_resident_set_bytes(rss_bytes);
pmd->set_has_process_totals();
return true;
}
return false;
}
} // namespace trace_event
} // namespace base
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