xref: /aosp_15_r20/external/cronet/components/metrics/android_metrics_provider.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2019 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #include "components/metrics/android_metrics_provider.h"
6*6777b538SAndroid Build Coastguard Worker 
7*6777b538SAndroid Build Coastguard Worker #include "base/metrics/histogram_macros.h"
8*6777b538SAndroid Build Coastguard Worker #include "base/system/sys_info.h"
9*6777b538SAndroid Build Coastguard Worker 
10*6777b538SAndroid Build Coastguard Worker namespace metrics {
11*6777b538SAndroid Build Coastguard Worker 
AndroidMetricsProvider()12*6777b538SAndroid Build Coastguard Worker AndroidMetricsProvider::AndroidMetricsProvider() {}
13*6777b538SAndroid Build Coastguard Worker 
~AndroidMetricsProvider()14*6777b538SAndroid Build Coastguard Worker AndroidMetricsProvider::~AndroidMetricsProvider() {}
15*6777b538SAndroid Build Coastguard Worker 
ProvideHistograms()16*6777b538SAndroid Build Coastguard Worker bool AndroidMetricsProvider::ProvideHistograms() {
17*6777b538SAndroid Build Coastguard Worker   // Equivalent to UMA_HISTOGRAM_BOOLEAN with the stability flag set.
18*6777b538SAndroid Build Coastguard Worker   UMA_STABILITY_HISTOGRAM_ENUMERATION(
19*6777b538SAndroid Build Coastguard Worker       "MemoryAndroid.LowRamDevice", base::SysInfo::IsLowEndDevice() ? 1 : 0, 2);
20*6777b538SAndroid Build Coastguard Worker 
21*6777b538SAndroid Build Coastguard Worker   return true;
22*6777b538SAndroid Build Coastguard Worker }
23*6777b538SAndroid Build Coastguard Worker 
ProvidePreviousSessionData(metrics::ChromeUserMetricsExtension * uma_proto)24*6777b538SAndroid Build Coastguard Worker void AndroidMetricsProvider::ProvidePreviousSessionData(
25*6777b538SAndroid Build Coastguard Worker     metrics::ChromeUserMetricsExtension* uma_proto) {
26*6777b538SAndroid Build Coastguard Worker   // The low-ram device status is unlikely to change between browser restarts.
27*6777b538SAndroid Build Coastguard Worker   // Hence, it's safe and useful to attach this status to a previous session
28*6777b538SAndroid Build Coastguard Worker   // log.
29*6777b538SAndroid Build Coastguard Worker   ProvideHistograms();
30*6777b538SAndroid Build Coastguard Worker }
31*6777b538SAndroid Build Coastguard Worker }  // namespace metrics
32