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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/arc/vmm/vmm_metrics_provider.h"
#include "base/check_is_test.h"
#include "base/metrics/histogram_functions.h"
#include "chromeos/ash/experiences/arc/arc_util.h"
namespace arc {
VmmMetricsProvider::VmmMetricsProvider() {
auto* client = ash::ConciergeClient::Get();
if (client) {
concierge_observation_.Observe(client);
} else {
CHECK_IS_TEST();
}
}
VmmMetricsProvider::~VmmMetricsProvider() = default;
void VmmMetricsProvider::OnVmStarted(
const vm_tools::concierge::VmStartedSignal& signal) {
if (signal.name() != kArcVmName ||
(signal.status() != vm_tools::concierge::VmStatus::VM_STATUS_RUNNING &&
signal.status() != vm_tools::concierge::VmStatus::VM_STATUS_STARTING)) {
return;
}
is_arcvm_running_ = true;
}
void VmmMetricsProvider::OnVmStopped(
const vm_tools::concierge::VmStoppedSignal& signal) {
if (signal.name() != kArcVmName) {
return;
}
is_arcvm_running_ = false;
}
void VmmMetricsProvider::OnVmSwapping(
const vm_tools::concierge::VmSwappingSignal& signal) {
if (signal.name() != kArcVmName) {
return;
}
CHECK(is_arcvm_running_);
if (signal.state() == vm_tools::concierge::SWAPPING_OUT) {
is_arcvm_swapped_out_ = true;
} else if (signal.state() == vm_tools::concierge::SWAPPING_IN) {
is_arcvm_swapped_out_ = false;
}
}
void VmmMetricsProvider::ProvidePreviousSessionData(
metrics::ChromeUserMetricsExtension* uma_proto) {
// TODO(b/315721196): Persist vmm swap stats and upload here.
}
void VmmMetricsProvider::ProvideCurrentSessionData(
metrics::ChromeUserMetricsExtension* uma_proto) {
if (!is_arcvm_running_) {
return;
}
base::UmaHistogramBoolean("Arc.VmmSwappedOut", is_arcvm_swapped_out_);
}
} // namespace arc
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