Move slider into gs101 and <device>
from: 026342771c6642980cb4653b1ec4d857a5d8be54
Bug: 167996145
Change-Id: I2ebf7f019afed1cbe9b60dcd82581bd3a52fe109
diff --git a/powerstats/DvfsStateResidencyDataProvider.cpp b/powerstats/DvfsStateResidencyDataProvider.cpp
new file mode 100644
index 0000000..95289bd
--- /dev/null
+++ b/powerstats/DvfsStateResidencyDataProvider.cpp
@@ -0,0 +1,158 @@
+/*
+ * 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 "libpixelpowerstats"
+
+#include "DvfsStateResidencyDataProvider.h"
+
+#include <android-base/logging.h>
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+
+#include <string>
+#include <utility>
+
+using android::base::ParseUint;
+using android::base::Split;
+using android::base::StartsWith;
+using android::base::Trim;
+
+namespace android {
+namespace hardware {
+namespace google {
+namespace pixel {
+namespace powerstats {
+
+DvfsStateResidencyDataProvider::DvfsStateResidencyDataProvider(std::string path, uint64_t clockRate)
+ : mPath(std::move(path)), mClockRate(clockRate) {}
+
+void DvfsStateResidencyDataProvider::addEntity(
+ uint32_t id, std::string name, std::vector<std::pair<std::string, std::string>> states) {
+ mPowerEntities.push_back({id, name, states});
+}
+
+int32_t DvfsStateResidencyDataProvider::matchEntity(char *line) {
+ for (auto const &entity : mPowerEntities) {
+ if (entity.powerEntityName == Trim(std::string(line))) {
+ return entity.powerEntityId;
+ }
+ }
+ return -1;
+}
+
+int32_t DvfsStateResidencyDataProvider::matchState(char *line, int32_t entityId) {
+ uint32_t stateId = 0;
+ for (auto const &entity : mPowerEntities) {
+ if (entityId == entity.powerEntityId) {
+ for (auto const &state : entity.states) {
+ if (StartsWith(Trim(std::string(line)), state.second)) {
+ return stateId;
+ }
+ stateId++;
+ }
+ return -1;
+ }
+ }
+ return -1;
+}
+
+bool DvfsStateResidencyDataProvider::parseState(char *line, uint64_t &duration, uint64_t &count) {
+ std::vector<std::string> parts = Split(line, " ");
+ if (parts.size() != 7) {
+ return false;
+ }
+ if (!ParseUint(Trim(parts[3]), &count)) {
+ return false;
+ }
+ if (!ParseUint(Trim(parts[6]), &duration)) {
+ return false;
+ }
+ return true;
+}
+
+bool DvfsStateResidencyDataProvider::getResults(
+ std::unordered_map<uint32_t, PowerEntityStateResidencyResult> &results) {
+ std::unique_ptr<FILE, decltype(&fclose)> fp(fopen(mPath.c_str(), "r"), fclose);
+ if (!fp) {
+ PLOG(ERROR) << __func__ << ":Failed to open file " << mPath
+ << " Error = " << strerror(errno);
+ return false;
+ }
+
+ for (auto const &stateSpace : getStateSpaces()) {
+ PowerEntityStateResidencyResult result = {.powerEntityId = stateSpace.powerEntityId};
+ result.stateResidencyData.resize(stateSpace.states.size());
+ for (uint32_t i = 0; i < result.stateResidencyData.size(); i++) {
+ result.stateResidencyData[i].powerEntityStateId =
+ stateSpace.states[i].powerEntityStateId;
+ }
+ results.insert(std::make_pair(stateSpace.powerEntityId, result));
+ }
+
+ size_t len = 0;
+ char *line = nullptr;
+
+ int32_t temp = -1, entityId = -1, stateId = -1;
+ uint64_t duration, count;
+
+ while (getline(&line, &len, fp.get()) != -1) {
+ temp = matchEntity(line);
+ // Assign entityId only when a new valid entity is encountered.
+ if (temp >= 0) {
+ entityId = temp;
+ }
+ if (entityId >= 0) {
+ stateId = matchState(line, entityId);
+ if (stateId >= 0) {
+ if (parseState(line, duration, count)) {
+ results[entityId].stateResidencyData[stateId].totalTimeInStateMs =
+ duration / mClockRate;
+ results[entityId].stateResidencyData[stateId].totalStateEntryCount = count;
+ } else {
+ LOG(ERROR) << "Failed to parse duration and count from [" << std::string(line)
+ << "]";
+ return false;
+ }
+ }
+ }
+ }
+
+ free(line);
+
+ return true;
+}
+
+std::vector<PowerEntityStateSpace> DvfsStateResidencyDataProvider::getStateSpaces() {
+ std::vector<PowerEntityStateSpace> stateSpaces;
+ stateSpaces.reserve(mPowerEntities.size());
+ for (auto const &entity : mPowerEntities) {
+ PowerEntityStateSpace s = {.powerEntityId = entity.powerEntityId};
+ s.states.resize(entity.states.size());
+ uint32_t stateId = 0;
+ for (auto const &state : entity.states) {
+ s.states[stateId] = {.powerEntityStateId = stateId,
+ .powerEntityStateName = state.first};
+ stateId++;
+ }
+ stateSpaces.emplace_back(s);
+ }
+ return stateSpaces;
+}
+
+} // namespace powerstats
+} // namespace pixel
+} // namespace google
+} // namespace hardware
+} // namespace android