206 lines
7.4 KiB
C++
206 lines
7.4 KiB
C++
/*
|
|
* Copyright (C) 2020 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define LOG_TAG "pixelstats-uevent: BatteryCapacityFG"
|
|
|
|
#include <log/log.h>
|
|
#include <time.h>
|
|
#include <utils/Timers.h>
|
|
#include <cmath>
|
|
|
|
#include <android-base/file.h>
|
|
|
|
#include <pixelstats/BatteryCapacityReporter.h>
|
|
#include <pixelstats/StatsHelper.h>
|
|
|
|
#include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace google {
|
|
namespace pixel {
|
|
|
|
using aidl::android::frameworks::stats::IStats;
|
|
using aidl::android::frameworks::stats::VendorAtom;
|
|
using aidl::android::frameworks::stats::VendorAtomValue;
|
|
using android::base::ReadFileToString;
|
|
using android::hardware::google::pixel::PixelAtoms::BatteryCapacityFG;
|
|
|
|
#define ONE_HOUR_SECS (60 * 60)
|
|
|
|
BatteryCapacityReporter::BatteryCapacityReporter() {
|
|
// Remove the need for a translation function/table, while removing the dependency on the
|
|
// generated <pixelatoms.pb.h> in BatteryCapacityReporter.h.
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_UNKNOWN) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_UNKNOWN));
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_CONNECTED) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_CONNECTED));
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_DISCONNECTED) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_DISCONNECTED));
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_FULL_CHARGE) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_FULL_CHARGE));
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_PERCENT_SKIP) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_PERCENT_SKIP));
|
|
static_assert(static_cast<int>(BatteryCapacityReporter::LOG_REASON_DIVERGING_FG) ==
|
|
static_cast<int>(BatteryCapacityFG::LOG_REASON_DIVERGING_FG));
|
|
}
|
|
|
|
void BatteryCapacityReporter::checkAndReport(const std::shared_ptr<IStats> &stats_client,
|
|
const std::string &path) {
|
|
if (parse(path)) {
|
|
if (checkLogEvent()) {
|
|
reportEvent(stats_client);
|
|
}
|
|
}
|
|
}
|
|
|
|
int64_t BatteryCapacityReporter::getTimeSecs(void) {
|
|
return nanoseconds_to_seconds(systemTime(SYSTEM_TIME_BOOTTIME));
|
|
}
|
|
|
|
bool BatteryCapacityReporter::parse(const std::string &path) {
|
|
std::string batterySSOCContents;
|
|
if (!ReadFileToString(path, &batterySSOCContents)) {
|
|
ALOGE("Unable to read ssoc_details path: %s - %s", path.c_str(), strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
// Parse file. Example format:
|
|
// soc: l=97% gdf=97.72 uic=97.72 rl=97.72
|
|
// curve:[15.00 15.00][97.87 97.87][100.00 100.00]
|
|
// status: ct=1 rl=0 s=1
|
|
if (sscanf(batterySSOCContents.c_str(),
|
|
"soc: %*s gdf=%f %*s rl=%f\n"
|
|
"curve:[%*f %*f][%f %f][%*f %*f]\n"
|
|
"status: %*s %*s s=%d",
|
|
&gdf_, &ssoc_, &gdf_curve_, &ssoc_curve_, &status_) != 5) {
|
|
ALOGE("Unable to parse ssoc_details [%s] from file %s to int.", batterySSOCContents.c_str(),
|
|
path.c_str());
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool BatteryCapacityReporter::shouldReportEvent(void) {
|
|
const int64_t current_time = getTimeSecs();
|
|
if (current_time == 0) {
|
|
ALOGE("Current boot time is zero!");
|
|
return false;
|
|
}
|
|
|
|
/* Perform cleanup of events that are older than 1 hour */
|
|
for (int i = 0; i < MAX_LOG_EVENTS_PER_HOUR; i++) {
|
|
if (log_event_time_secs_[i] != 0 && /* Non-empty */
|
|
log_event_time_secs_[i] + ONE_HOUR_SECS < current_time) {
|
|
log_event_time_secs_[i] = 0;
|
|
num_events_in_last_hour_--;
|
|
}
|
|
}
|
|
|
|
/* Log event if there hasn't been many events in the past hour */
|
|
if (num_events_in_last_hour_ < MAX_LOG_EVENTS_PER_HOUR) {
|
|
for (int i = 0; i < MAX_LOG_EVENTS_PER_HOUR; i++) {
|
|
if (log_event_time_secs_[i] == 0) { /* Empty */
|
|
log_event_time_secs_[i] = current_time;
|
|
num_events_in_last_hour_++;
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
ALOGD("Too many log events in past hour; event ignored.");
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @return true if a log should be reported, else false
|
|
*/
|
|
bool BatteryCapacityReporter::checkLogEvent(void) {
|
|
LogReason log_reason = LOG_REASON_UNKNOWN;
|
|
if (status_previous_ != status_) {
|
|
// Handle nominal events
|
|
|
|
if (status_ == SOC_STATUS_CONNECTED) {
|
|
log_reason = LOG_REASON_CONNECTED;
|
|
|
|
} else if (status_ == SOC_STATUS_DISCONNECTED) {
|
|
log_reason = LOG_REASON_DISCONNECTED;
|
|
|
|
} else if (status_ == SOC_STATUS_FULL) {
|
|
log_reason = LOG_REASON_FULL_CHARGE;
|
|
}
|
|
|
|
status_previous_ = status_;
|
|
|
|
} else {
|
|
// Handle abnormal events
|
|
const float diff = fabsf(ssoc_ - gdf_);
|
|
|
|
if (fabsf(ssoc_ - ssoc_previous_) >= 2.0f) {
|
|
log_reason = LOG_REASON_PERCENT_SKIP;
|
|
|
|
// Every +- 1% when above a 4% SOC difference (w/ timer)
|
|
} else if (static_cast<int>(round(ssoc_gdf_diff_previous_)) !=
|
|
static_cast<int>(round(diff)) &&
|
|
diff >= 4.0f) {
|
|
log_reason = LOG_REASON_DIVERGING_FG;
|
|
|
|
ssoc_gdf_diff_previous_ = diff;
|
|
}
|
|
}
|
|
ssoc_previous_ = ssoc_;
|
|
log_reason_ = log_reason;
|
|
|
|
if (log_reason != LOG_REASON_UNKNOWN) {
|
|
/* Found new log event! */
|
|
/* Check if we should actually report the event */
|
|
return shouldReportEvent();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void BatteryCapacityReporter::reportEvent(const std::shared_ptr<IStats> &stats_client) {
|
|
// Load values array
|
|
std::vector<VendorAtomValue> values(5);
|
|
VendorAtomValue tmp;
|
|
tmp.set<VendorAtomValue::intValue>(log_reason_);
|
|
values[BatteryCapacityFG::kCapacityLogReasonFieldNumber - kVendorAtomOffset] = tmp;
|
|
tmp.set<VendorAtomValue::floatValue>(gdf_);
|
|
values[BatteryCapacityFG::kCapacityGdfFieldNumber - kVendorAtomOffset] = tmp;
|
|
tmp.set<VendorAtomValue::floatValue>(ssoc_);
|
|
values[BatteryCapacityFG::kCapacitySsocFieldNumber - kVendorAtomOffset] = tmp;
|
|
tmp.set<VendorAtomValue::floatValue>(gdf_curve_);
|
|
values[BatteryCapacityFG::kCapacityGdfCurveFieldNumber - kVendorAtomOffset] = tmp;
|
|
tmp.set<VendorAtomValue::floatValue>(ssoc_curve_);
|
|
values[BatteryCapacityFG::kCapacitySsocCurveFieldNumber - kVendorAtomOffset] = tmp;
|
|
|
|
// Send vendor atom to IStats HAL
|
|
VendorAtom event = {.reverseDomainName = "",
|
|
.atomId = PixelAtoms::Atom::kFgCapacity,
|
|
.values = std::move(values)};
|
|
const ndk::ScopedAStatus ret = stats_client->reportVendorAtom(event);
|
|
if (!ret.isOk())
|
|
ALOGE("Unable to report to IStats service");
|
|
}
|
|
|
|
} // namespace pixel
|
|
} // namespace google
|
|
} // namespace hardware
|
|
} // namespace android
|