747     const Result<std::unordered_map<uint32_t, UidIoUsage>>& usage = mUidIoStats->collect();  in collectUidIoPerfDataLocked()  local
748     if (!usage) {  in collectUidIoPerfDataLocked()
749         return Error() << "Failed to collect uid I/O usage: " << usage.error();  in collectUidIoPerfDataLocked()
758     for (const auto& uIt : *usage) {  in collectUidIoPerfDataLocked()
807     for (const auto& usage : topNReads) {  in collectUidIoPerfDataLocked()  local
808         if (usage->ios.isZero()) {  in collectUidIoPerfDataLocked()
814                 .userId = multiuser_get_user_id(usage->uid),  in collectUidIoPerfDataLocked()
815                 .packageName = std::to_string(usage->uid),  in collectUidIoPerfDataLocked()
816                 .bytes = {usage->ios.metrics[READ_BYTES][FOREGROUND],  in collectUidIoPerfDataLocked()
817                           usage->ios.metrics[READ_BYTES][BACKGROUND]},  in collectUidIoPerfDataLocked()
818                 .fsync = {usage->ios.metrics[FSYNC_COUNT][FOREGROUND],  in collectUidIoPerfDataLocked()
819                           usage->ios.metrics[FSYNC_COUNT][BACKGROUND]},  in collectUidIoPerfDataLocked()
821         if (mUidToPackageNameMapping.find(usage->uid) != mUidToPackageNameMapping.end()) {  in collectUidIoPerfDataLocked()
822             stats.packageName = mUidToPackageNameMapping[usage->uid];  in collectUidIoPerfDataLocked()
832     for (const auto& usage : topNWrites) {  in collectUidIoPerfDataLocked()  local
833         if (usage->ios.isZero()) {  in collectUidIoPerfDataLocked()
839                 .userId = multiuser_get_user_id(usage->uid),  in collectUidIoPerfDataLocked()
840                 .packageName = std::to_string(usage->uid),  in collectUidIoPerfDataLocked()
841                 .bytes = {usage->ios.metrics[WRITE_BYTES][FOREGROUND],  in collectUidIoPerfDataLocked()
842                           usage->ios.metrics[WRITE_BYTES][BACKGROUND]},  in collectUidIoPerfDataLocked()
843                 .fsync = {usage->ios.metrics[FSYNC_COUNT][FOREGROUND],  in collectUidIoPerfDataLocked()
844                           usage->ios.metrics[FSYNC_COUNT][BACKGROUND]},  in collectUidIoPerfDataLocked()
846         if (mUidToPackageNameMapping.find(usage->uid) != mUidToPackageNameMapping.end()) {  in collectUidIoPerfDataLocked()
847             stats.packageName = mUidToPackageNameMapping[usage->uid];  in collectUidIoPerfDataLocked()