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 .StormIRQMetricsPath = "/sys/kernel/metrics/irq/storm_irq_metrics",
51 .IRQStatsResetPath = "/sys/kernel/metrics/irq/stats_reset",
52 .UFSErrStatsPath = {
53 UFS_ERR_PATH(pa_err_count),
54 UFS_ERR_PATH(dl_err_count),
55 UFS_ERR_PATH(nl_err_count),
56 UFS_ERR_PATH(tl_err_count),
57 UFS_ERR_PATH(dme_err_count),
58 UFS_ERR_PATH(fatal_err_count),
59 UFS_ERR_PATH(auto_hibern8_err_count)
60 },
61 .AmsRatePath = "/sys/devices/platform/audiometrics/ams_rate_read_once",
62 .TempResidencyAndResetPaths = {
63 {
64 "/sys/kernel/metrics/thermal/tr_by_group/tmu/stats",
65 "/sys/kernel/metrics/thermal/tr_by_group/tmu/stats_reset"
66 },
67 {
68 "/sys/kernel/metrics/thermal/tr_by_group/spmic/stats",
69 "/sys/kernel/metrics/thermal/tr_by_group/spmic/stats_reset"
70 }
71 },
72 };
73
74 const struct UeventListener::UeventPaths ueventPaths = {
75 .AudioUevent = "/devices/virtual/amcs/amcs",
76 .TypeCPartnerUevent = "PRODUCT_TYPE="};
77
main()78 int main() {
79 LOG(INFO) << "starting PixelStats";
80
81 UeventListener ueventListener(ueventPaths);
82 std::thread listenThread(&UeventListener::ListenForever, &ueventListener);
83 listenThread.detach();
84
85 SysfsCollector collector(sysfs_paths);
86 collector.collect(); // This blocks forever.
87
88 return 0;
89 }
90