1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "pixelstats"
18
19 #include <android-base/logging.h>
20 #include <pixelstats/SysfsCollector.h>
21 #include <pixelstats/UeventListener.h>
22
23 #include <thread>
24
25 using android::hardware::google::pixel::SysfsCollector;
26 using android::hardware::google::pixel::UeventListener;
27
28 #define BLOCK_STATS_LENGTH 17
29 #define UFSHC_PATH(filename) "/dev/sys/block/bootdevice/" #filename
30 #define UFS_ERR_PATH(err_type) UFSHC_PATH(err_stats/) #err_type
31 const struct SysfsCollector::SysfsPaths sysfs_paths = {
32 .SlowioReadCntPath = UFSHC_PATH(slowio_read_cnt),
33 .SlowioWriteCntPath = UFSHC_PATH(slowio_write_cnt),
34 .SlowioUnmapCntPath = UFSHC_PATH(slowio_unmap_cnt),
35 .SlowioSyncCntPath = UFSHC_PATH(slowio_sync_cnt),
36 .CycleCountBinsPath = "/sys/class/power_supply/battery/cycle_counts",
37 .UFSLifetimeA = UFSHC_PATH(health_descriptor/life_time_estimation_a),
38 .UFSLifetimeB = UFSHC_PATH(health_descriptor/life_time_estimation_b),
39 .UFSLifetimeC = UFSHC_PATH(health_descriptor/life_time_estimation_c),
40 .F2fsStatsPath = "/sys/fs/f2fs/",
41 .ImpedancePath = "/sys/devices/platform/audiometrics/speaker_impedance",
42 .CodecPath = "/sys/devices/platform/audiometrics/codec_state",
43 .EEPROMPath = "/dev/battery_history",
44 .MitigationPath = "/sys/devices/virtual/pmic/mitigation",
45 .SpeakerTemperaturePath = "/sys/devices/platform/audiometrics/speaker_temp",
46 .SpeakerExcursionPath = "/sys/devices/platform/audiometrics/speaker_excursion",
47 .SpeakerHeartBeatPath = "/sys/devices/platform/audiometrics/speaker_heartbeat",
48 .ResumeLatencyMetricsPath = "/sys/kernel/metrics/resume_latency/resume_latency_metrics",
49 .LongIRQMetricsPath = "/sys/kernel/metrics/irq/long_irq_metrics",
50 .UFSErrStatsPath = {
51 UFS_ERR_PATH(pa_err_count),
52 UFS_ERR_PATH(dl_err_count),
53 UFS_ERR_PATH(nl_err_count),
54 UFS_ERR_PATH(tl_err_count),
55 UFS_ERR_PATH(dme_err_count),
56 UFS_ERR_PATH(fatal_err_count),
57 UFS_ERR_PATH(auto_hibern8_err_count)
58 },
59 .AmsRatePath = "/sys/devices/platform/audiometrics/ams_rate_read_once",
60 .TempResidencyPath = "/sys/kernel/metrics/temp_residency/temp_residency_all/stats",
61 };
62
63 const struct UeventListener::UeventPaths ueventPaths = {
64 .AudioUevent = "/devices/virtual/amcs/amcs",
65 .WirelessChargerPtmcPath = "/sys/class/power_supply/wireless/device/ptmc_id",
66 .TypeCPartnerUevent = "PRODUCT_TYPE="};
67
main()68 int main() {
69 LOG(INFO) << "starting PixelStats";
70
71 UeventListener ueventListener(ueventPaths);
72 std::thread listenThread(&UeventListener::ListenForever, &ueventListener);
73 listenThread.detach();
74
75 SysfsCollector collector(sysfs_paths);
76 collector.collect(); // This blocks forever.
77
78 return 0;
79 }
80