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author | Tianjie Xu <xunchang@google.com> | 2018-09-21 07:31:51 +0200 |
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committer | android-build-merger <android-build-merger@google.com> | 2018-09-21 07:31:51 +0200 |
commit | d671cc136f20c65254f2928b7bb315e3233fd242 (patch) | |
tree | cca83203aea4eb1a39ce7c93864037376cd6f054 /otautil/parse_install_logs.cpp | |
parent | Merge "Show 'Enter Fastboot' menu item only if device supports fastbootd" (diff) | |
parent | Merge "Move the parse of last_install to recovery-persist" (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | otautil/parse_install_logs.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/otautil/parse_install_logs.cpp b/otautil/parse_install_logs.cpp new file mode 100644 index 000000000..13a729921 --- /dev/null +++ b/otautil/parse_install_logs.cpp @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2018 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. + */ + +#include "otautil/parse_install_logs.h" + +#include <unistd.h> + +#include <optional> + +#include <android-base/file.h> +#include <android-base/logging.h> +#include <android-base/parseint.h> +#include <android-base/properties.h> +#include <android-base/strings.h> + +constexpr const char* OTA_SIDELOAD_METRICS = "ota_sideload"; + +// Here is an example of lines in last_install: +// ... +// time_total: 101 +// bytes_written_vendor: 51074 +// bytes_stashed_vendor: 200 +std::map<std::string, int64_t> ParseRecoveryUpdateMetrics(const std::vector<std::string>& lines) { + constexpr unsigned int kMiB = 1024 * 1024; + std::optional<int64_t> bytes_written_in_mib; + std::optional<int64_t> bytes_stashed_in_mib; + std::map<std::string, int64_t> metrics; + for (const auto& line : lines) { + size_t num_index = line.find(':'); + if (num_index == std::string::npos) { + LOG(WARNING) << "Skip parsing " << line; + continue; + } + + std::string num_string = android::base::Trim(line.substr(num_index + 1)); + int64_t parsed_num; + if (!android::base::ParseInt(num_string, &parsed_num)) { + LOG(ERROR) << "Failed to parse numbers in " << line; + continue; + } + + if (android::base::StartsWith(line, "bytes_written")) { + bytes_written_in_mib = bytes_written_in_mib.value_or(0) + parsed_num / kMiB; + } else if (android::base::StartsWith(line, "bytes_stashed")) { + bytes_stashed_in_mib = bytes_stashed_in_mib.value_or(0) + parsed_num / kMiB; + } else if (android::base::StartsWith(line, "time")) { + metrics.emplace("ota_time_total", parsed_num); + } else if (android::base::StartsWith(line, "uncrypt_time")) { + metrics.emplace("ota_uncrypt_time", parsed_num); + } else if (android::base::StartsWith(line, "source_build")) { + metrics.emplace("ota_source_version", parsed_num); + } else if (android::base::StartsWith(line, "temperature_start")) { + metrics.emplace("ota_temperature_start", parsed_num); + } else if (android::base::StartsWith(line, "temperature_end")) { + metrics.emplace("ota_temperature_end", parsed_num); + } else if (android::base::StartsWith(line, "temperature_max")) { + metrics.emplace("ota_temperature_max", parsed_num); + } else if (android::base::StartsWith(line, "error")) { + metrics.emplace("ota_non_ab_error_code", parsed_num); + } else if (android::base::StartsWith(line, "cause")) { + metrics.emplace("ota_non_ab_cause_code", parsed_num); + } + } + + if (bytes_written_in_mib) { + metrics.emplace("ota_written_in_MiBs", bytes_written_in_mib.value()); + } + if (bytes_stashed_in_mib) { + metrics.emplace("ota_stashed_in_MiBs", bytes_stashed_in_mib.value()); + } + + return metrics; +} + +std::map<std::string, int64_t> ParseLastInstall(const std::string& file_name) { + if (access(file_name.c_str(), F_OK) != 0) { + return {}; + } + + std::string content; + if (!android::base::ReadFileToString(file_name, &content)) { + PLOG(ERROR) << "Failed to read " << file_name; + return {}; + } + + if (content.empty()) { + LOG(INFO) << "Empty last_install file"; + return {}; + } + + std::vector<std::string> lines = android::base::Split(content, "\n"); + auto metrics = ParseRecoveryUpdateMetrics(lines); + + // LAST_INSTALL starts with "/sideload/package.zip" after a sideload. + if (android::base::Trim(lines[0]) == "/sideload/package.zip") { + int type = (android::base::GetProperty("ro.build.type", "") == "user") ? 1 : 0; + metrics.emplace(OTA_SIDELOAD_METRICS, type); + } + + return metrics; +} |