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bcl: start brownout event thread

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Allow multiple sepolicy and start thread to monitor
brownout event

Bug: 290149543
Change-Id: I2e9f3dc180a37b60e5e51ac5c4c1b0aa79073328
Signed-off-by: samou <samou@google.com>
This commit is contained in:
samou 2023-09-06 06:24:52 +00:00
parent c299df119e
commit 440a92fd67
2 changed files with 45 additions and 2 deletions
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42
battery_mitigation/battery_mitigation.cpp
View File

@ -16,8 +16,10 @@
#define LOG_TAG "battery-mitigation"
#include <battery_mitigation/BatteryMitigation.h>
#include <android/binder_process.h>
#include <battery_mitigation/BatteryMitigation.h>
#include <sys/resource.h>
#include <system/thread_defs.h>
#define COUNT_LIMIT 10
@ -67,21 +69,57 @@ const struct MitigationConfig::Config cfg = {
.TimestampFormat = "%Y-%m-%d %H:%M:%S",
};
const struct MitigationConfig::EventThreadConfig eventThreadCfg = {
.NumericSysfsStatPaths = {
{"cpu0_freq", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"},
{"cpu1_freq", "/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq"},
{"cpu2_freq", "/sys/devices/system/cpu/cpu2/cpufreq/scaling_cur_freq"},
{"gpu_freq", "/sys/devices/platform/1f000000.mali/cur_freq"},
{"battery_temp", "/dev/thermal/tz-by-name/battery/temp"},
{"battery_cycle", "/dev/thermal/tz-by-name/battery_cycle/temp"},
{"voltage_now", "/sys/class/power_supply/battery/voltage_now"},
{"current_now", "/sys/class/power_supply/battery/current_now"},
},
.NumericSysfsStatDirs = {
{"last_triggered_mode", "/sys/devices/virtual/pmic/mitigation/last_triggered_mode/"},
},
.TriggeredIdxPath = "/sys/devices/virtual/pmic/mitigation/br_stats/triggered_idx",
.BrownoutStatsPath = "/sys/devices/virtual/pmic/mitigation/br_stats/stats",
.StoringPath = "/data/vendor/mitigation/thismeal.bin",
.BackupPath = "/data/vendor/mitigation/lastmeal.bin",
.FvpStatsPath = "/sys/devices/platform/acpm_stats/fvp_stats",
.PcieModemPath = "/sys/devices/platform/12100000.pcie/power_stats",
.PcieWifiPath = "/sys/devices/platform/13120000.pcie/power_stats",
};
const char kReadyFilePath[] = "/sys/devices/virtual/pmic/mitigation/instruction/ready";
const char kReadyProperty[] = "vendor.brownout.mitigation.ready";
const char kLastMealPath[] = "/data/vendor/mitigation/lastmeal.txt";
const char kBRRequestedProperty[] = "vendor.brownout_reason";
const char kLastMealProperty[] = "vendor.brownout.br.feasible";
const char kCDTProperty[] = "ro.boot.cdt_hwid";
const std::regex kTimestampRegex("^\\S+\\s[0-9]+:[0-9]+:[0-9]+\\S+$");
std::string GetSystemProperty(std::string property) {
char value[PROP_VALUE_MAX];
__system_property_get(property.c_str(), value);
return std::string(value);
}
int main(int /*argc*/, char ** /*argv*/) {
setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO);
auto batteryMitigationStartTime = std::chrono::system_clock::now();
ABinderProcess_setThreadPoolMaxThreadCount(1);
ABinderProcess_startThreadPool();
bmSp = new BatteryMitigation(cfg);
bmSp = new BatteryMitigation(cfg, eventThreadCfg);
if (!bmSp) {
return 0;
}
std::string cdt = GetSystemProperty(kCDTProperty);
int platform_num = atoi(cdt.substr(5, 1).c_str());
if (platform_num >= MIN_SUPPORTED_PLATFORM) {
bmSp->startBrownoutEventThread();
}
bool mitigationLogTimeValid = bmSp->isMitigationLogTimeValid(batteryMitigationStartTime,
cfg.LogFilePath,
cfg.TimestampFormat,

5
battery_mitigation/sepolicy/vendor/battery_mitigation.te vendored
View File

@ -10,11 +10,14 @@ set_prop(battery_mitigation, vendor_brownout_br_feasible_prop)
hal_client_domain(battery_mitigation, hal_thermal);
hal_client_domain(battery_mitigation, hal_health);
r_dir_file(battery_mitigation, sysfs_acpm_stats)
r_dir_file(battery_mitigation, sysfs_batteryinfo)
r_dir_file(battery_mitigation, sysfs_iio_devices)
r_dir_file(battery_mitigation, sysfs_gpu)
r_dir_file(battery_mitigation, sysfs_thermal)
r_dir_file(battery_mitigation, thermal_link_device)
r_dir_file(battery_mitigation, sysfs_odpm)
r_dir_file(battery_mitigation, sysfs_power_stats)
allow battery_mitigation sysfs_bcl:dir r_dir_perms;
allow battery_mitigation sysfs_bcl:file r_file_perms;
allow battery_mitigation sysfs_bcl:lnk_file r_file_perms;
@ -24,3 +27,5 @@ allow battery_mitigation mitigation_vendor_data_file:file create_file_perms;
# Allow battery_mitigation to use Binder IPC so that service manager can notify it for callbacks
binder_use(battery_mitigation)
# Allow battery_mitigation to listen brownout event by epoll_wait
wakelock_use(battery_mitigation)