Profile data for GET http://swift.powerlynx.app/portal/api/redirect-flow/order-plan/5?hash=1da50975dfd88479bd9d8d11ea870924&gateway=mpesa

Compare this run View Callgraph Jump to functions

Watch Functions

Function Call Count ewt emu epmu
You have no watch functions setup. Add a watch function now.

Self Wall Time

main()
33,671 µs
App\Models\Tenant\Finance\Payment\PaymentGateway::getGlobalGateway
20,673 µs
App\Services\PaymentGateways\GlobalGateway::config
8,392 µs
App\Repositories\Tenant\Configs\AdditionalFields\AdditionalFieldsConfigsRepository::getAllUsableAdditionalFields
5,854 µs
App\Models\Tenant\Location::getEnabledGlobalGateways
3,578 µs
App\Repositories\Tenant\Labels\LabelsRepository::getCustomerLabelResources
3,070 µs

Memory Hogs

load::Resources/ConditionallyLoadsAttributes_php
145,312 bytes
load::settings/localization_php
94,640 bytes
App\Services\AdditionalFields\AdditionalFields::getAdditionalFieldsConfigsModel
54,160 bytes
load::CustomerQuery/CustomerQueryTrait_php
53,072 bytes
load::Query/JoinClause_php
37,768 bytes
load::Payment/LocationPaymentGateway_php
32,640 bytes
Function Call Count Self Wall Time Self CPU Self Memory Usage Self Peak Memory Usage Inclusive Wall Time Inclusive CPU Inclusive Memory Usage Inclusive Peak Memory Usage
main() 1 33,671 µs 16,867 µs -63,936 bytes 4,736 bytes 91,120 µs 45,582 µs 784,792 bytes 187,696 bytes
App\Models\Tenant\Finance\Payment\PaymentGateway::getGlobalGatewa… 6 20,673 µs 9,518 µs 13,376 bytes 25,360 bytes 20,673 µs 9,518 µs 13,376 bytes 25,360 bytes
App\Services\PaymentGateways\GlobalGateway::config 7 8,392 µs 1,865 µs 12,536 bytes bytes 8,501 µs 1,975 µs 40,088 bytes bytes
App\Repositories\Tenant\Configs\AdditionalFields\AdditionalFields… 6 5,854 µs 2,226 µs 5,672 bytes 1,368 bytes 5,991 µs 2,372 µs 8,272 bytes 1,368 bytes
App\Models\Tenant\Location::getEnabledGlobalGateways 1 3,578 µs 1,430 µs 344 bytes bytes 33,248 µs 12,363 µs 104,144 bytes 56,848 bytes
App\Repositories\Tenant\Labels\LabelsRepository::getCustomerLabel… 3 3,070 µs 1,368 µs -4,304 bytes bytes 4,457 µs 2,766 µs 247,376 bytes bytes
App\Services\RedirectFlow\Payments\GatewayLinkGenerator::generate… 1 1,825 µs 910 µs -27,360 bytes bytes 1,974 µs 1,061 µs 5,120 bytes 30,792 bytes
App\Services\RedirectFlow\Payments\StatementCreator::createPaymen… 1 1,429 µs 559 µs 2,984 bytes bytes 1,586 µs 724 µs 21,072 bytes 5,888 bytes
App\Services\PaymentGateways\PaymentGatewaysProvider::loadCustomG… 1 1,288 µs 647 µs 10,160 bytes 5,016 bytes 19,712 µs 8,047 µs 23,816 bytes 30,376 bytes
App\Services\PaymentGateways\PaymentGatewaysProvider::getEnabledF… 1 1,173 µs 630 µs 2,224 bytes bytes 9,756 µs 2,680 µs 43,888 bytes bytes
App\Services\RedirectFlow\Payments\OrderProcessor::getPaymentGate… 1 1,118 µs 895 µs 2,912 bytes bytes 1,118 µs 895 µs 2,912 bytes bytes
App\Models\Tenant\Finance\Payment\PaymentGateway::loadTitle 5 1,080 µs 557 µs 2,512 bytes bytes 18,380 µs 7,353 µs 12,776 bytes 25,360 bytes
App\Services\RedirectFlow\TrialSessions\TrialSessionsMaker::isTri… 1 788 µs 599 µs 1,056 bytes bytes 788 µs 599 µs 1,056 bytes bytes
load::settings/localization_php 3 337 µs 341 µs 94,640 bytes 30,792 bytes 337 µs 341 µs 94,640 bytes 30,792 bytes
load::Resources/ConditionallyLoadsAttributes_php 1 314 µs 315 µs 145,312 bytes bytes 314 µs 315 µs 145,312 bytes bytes
load::CustomerQuery/CustomerQueryTrait_php 1 308 µs 309 µs 53,072 bytes bytes 308 µs 309 µs 53,072 bytes bytes
load::Payments/OrderProcessor_php 1 289 µs 578 µs 16,792 bytes 3,976 bytes 289 µs 578 µs 16,792 bytes 3,976 bytes
load::src/ProfilingData_php 1 286 µs 288 µs 18,784 bytes bytes 286 µs 288 µs 18,784 bytes bytes
load::TargetGroups/TargetGroupsQueryBuilder_php 1 234 µs 235 µs 18,328 bytes bytes 234 µs 235 µs 18,328 bytes bytes
load::AdditionalFields/AdditionalFieldsConfigsRepository_php 1 205 µs 208 µs 25,160 bytes bytes 205 µs 208 µs 25,160 bytes bytes
load::Database/QueryException_php 1 202 µs 204 µs 10,224 bytes 47,432 bytes 202 µs 204 µs 10,224 bytes 47,432 bytes
App\Repositories\Tenant\TargetGroups\CustomerParameters::getBaseP… 3 200 µs 173 µs 13,264 bytes bytes 4,867 µs 3,177 µs 278,600 bytes bytes
App\Services\AdditionalFields\AdditionalFields::getAdditionalFiel… 6 198 µs 200 µs 54,160 bytes bytes 410 µs 417 µs 80,464 bytes bytes
load::Json/JsonResource_php 1 191 µs 193 µs 26,216 bytes bytes 191 µs 193 µs 26,216 bytes bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::build 3 189 µs 188 µs 6,744 bytes bytes 560 µs 563 µs 59,368 bytes bytes
load::Payments/GatewayLinkGenerator_php 1 171 µs 173 µs 15,912 bytes 28,512 bytes 171 µs 173 µs 15,912 bytes 28,512 bytes
load::Query/JoinClause_php 1 165 µs 166 µs 37,768 bytes bytes 165 µs 166 µs 37,768 bytes bytes
App\Services\RedirectFlow\Payments\OrderProcessor::getRedirectLin… 1 148 µs 134 µs -8,504 bytes bytes 8,676 µs 6,023 µs 50,024 bytes 68,896 bytes
load::Resources/CollectsResources_php 1 135 µs 136 µs 13,248 bytes bytes 135 µs 136 µs 13,248 bytes bytes
load::Payment/PaymentGatewayGlobalConfig_php 1 109 µs 110 µs 27,552 bytes bytes 109 µs 110 µs 27,552 bytes bytes
load::Resources/DelegatesToResource_php 1 105 µs 107 µs 13,960 bytes bytes 105 µs 107 µs 13,960 bytes bytes
load::Payments/StatementCreator_php 1 105 µs 106 µs 6,616 bytes 3,704 bytes 105 µs 106 µs 6,616 bytes 3,704 bytes
load::TargetGroups/CustomerParameters_php 1 101 µs 102 µs 18,816 bytes bytes 101 µs 102 µs 18,816 bytes bytes
load::AdditionalFields/CustomerAdditionalFieldConfig_php 1 97 µs 98 µs 12,424 bytes bytes 97 µs 98 µs 12,424 bytes bytes
Illuminate\Database\MySqlConnection::isUniqueConstraintError 1 97 µs 98 µs 600 bytes bytes 97 µs 98 µs 600 bytes bytes
load::Payment/LocationPaymentGateway_php 1 97 µs 100 µs 32,640 bytes 26,472 bytes 97 µs 100 µs 32,640 bytes 26,472 bytes
App\Models\Tenant\Config\AdditionalFields\BaseAdditionalFieldConf… 18 95 µs 83 µs 1,488 bytes bytes 150 µs 158 µs 2,184 bytes bytes
load::settings/captive_portal_php 1 91 µs 93 µs 7,416 bytes bytes 91 µs 93 µs 7,416 bytes bytes
App\Services\RedirectFlow\Payments\GatewayLinkGenerator::getPayLi… 1 89 µs 84 µs -576 bytes bytes 2,150 µs 1,235 µs 6,816 bytes 30,792 bytes
load::Json/ResourceCollection_php 1 86 µs 87 µs 14,240 bytes bytes 86 µs 87 µs 14,240 bytes bytes
App\Services\PaymentGateways\PaymentGatewaysProvider::App\Service… 10 86 µs 81 µs 2,272 bytes bytes 8,587 µs 2,056 µs 42,360 bytes bytes
load::Labels/Label_php 1 84 µs 85 µs 8,360 bytes bytes 84 µs 85 µs 8,360 bytes bytes
url 1 81 µs 82 µs 1,608 bytes bytes 81 µs 82 µs 1,608 bytes bytes
load::Labels/LabelResource_php 1 78 µs 79 µs 3,896 bytes bytes 78 µs 79 µs 3,896 bytes bytes
App\Repositories\Tenant\Configs\AdditionalFields\AdditionalFields… 6 78 µs 73 µs 144 bytes bytes 623 µs 630 µs 91,128 bytes bytes
Illuminate\Http\Resources\Json\JsonResource::newCollection 3 73 µs 69 µs 6,904 bytes bytes 466 µs 468 µs 44,672 bytes bytes
Illuminate\Database\Eloquent\Collection::contains@1 3 72 µs 73 µs 1,432 bytes bytes 72 µs 73 µs 1,432 bytes bytes
load::Payments/PaymentStatementMetadataCast_php 1 71 µs 72 µs 9,536 bytes 5,888 bytes 71 µs 72 µs 9,536 bytes 5,888 bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::App\Services\… 2 70 µs 68 µs 3,304 bytes bytes 98 µs 99 µs 9,920 bytes bytes
load::AdditionalFields/AdditionalFields_php 1 66 µs 67 µs 6,712 bytes bytes 66 µs 67 µs 6,712 bytes bytes
load::AdditionalFields/BaseAdditionalFieldConfig_php 1 64 µs 65 µs 11,328 bytes bytes 64 µs 65 µs 11,328 bytes bytes
App\Models\Tenant\Config\AdditionalFields\BaseAdditionalFieldConf… 42 62 µs 88 µs 1,392 bytes bytes 62 µs 88 µs 1,392 bytes bytes
load::AdditionalFields/AdditionalFieldTypes_php 1 60 µs 62 µs 5,952 bytes bytes 60 µs 62 µs 5,952 bytes bytes
load::Json/AnonymousResourceCollection_php 1 55 µs 57 µs 4,536 bytes bytes 55 µs 57 µs 4,536 bytes bytes
load::settings/customers_php 1 52 µs 52 µs 4,992 bytes bytes 52 µs 52 µs 4,992 bytes bytes
load::CustomerQuery/CustomerQueryInterface_php 1 51 µs 51 µs 4,256 bytes bytes 51 µs 51 µs 4,256 bytes bytes
load::Facades/AdditionalFields_php 1 50 µs 51 µs 4,880 bytes bytes 50 µs 51 µs 4,880 bytes bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::__construct 3 50 µs 44 µs 1,736 bytes bytes 11,965 µs 6,647 µs 411,992 bytes 1,368 bytes
App\Repositories\Tenant\TargetGroups\CustomerParameters::getAddit… 3 47 µs 36 µs -7,720 bytes bytes 3,952 µs 2,147 µs 109,984 bytes 584 bytes
load::Labels/LabelsRepository_php 1 46 µs 47 µs 3,768 bytes bytes 46 µs 47 µs 3,768 bytes bytes
App\Models\Tenant\Finance\Payment\PaymentGateway::getDisplayName 5 44 µs 47 µs 880 bytes bytes 44 µs 47 µs 880 bytes bytes
load::TargetGroups/TargetGroupRepository_php 1 40 µs 41 µs 3,360 bytes bytes 40 µs 41 µs 3,360 bytes bytes
App\Services\PaymentGateways\GlobalGateway::needAskAdditionalInfo… 1 37 µs 37 µs 680 bytes bytes 37 µs 37 µs 680 bytes bytes
App\Models\Tenant\Labels\Label::initializeSoftDeletes 6 36 µs 32 µs 696 bytes bytes 56 µs 57 µs 1,328 bytes bytes
load::settings/finance_php 1 34 µs 35 µs 7,008 bytes bytes 34 µs 35 µs 7,008 bytes bytes
Xhgui\Profiler\Profiler::disable 1 34 µs 32 µs -4,224 bytes bytes 330 µs 330 µs 15,728 bytes bytes
Illuminate\Database\Query\Grammars\Grammar::Illuminate\Database\Q… 2 33 µs 34 µs 984 bytes bytes 33 µs 34 µs 984 bytes bytes
Illuminate\Database\Eloquent\Collection::contains 6 32 µs 33 µs 1,296 bytes bytes 104 µs 106 µs 2,728 bytes bytes
load::Deletion/PermitDeleteContract_php 1 31 µs 32 µs 3,944 bytes bytes 31 µs 32 µs 3,944 bytes bytes
Illuminate\Http\Resources\Json\ResourceCollection::collectResourc… 3 29 µs 23 µs 760 bytes bytes 86 µs 86 µs 3,624 bytes bytes
App\Dto\BaseData::toJson 8 29 µs 26 µs -1,848 bytes bytes 40 µs 42 µs 2,088 bytes bytes
App\Models\Tenant\Finance\Payment\PaymentGateway::getSaveKey 1 29 µs 30 µs 696 bytes bytes 29 µs 30 µs 696 bytes bytes
App\Services\PaymentGateways\PaymentGatewaysProvider::gatewayIsAv… 1 28 µs 25 µs -15,992 bytes bytes 33,280 µs 12,394 µs 88,848 bytes 56,848 bytes
App\Models\Tenant\Labels\Label::getQualifiedDeletedAtColumn 3 27 µs 25 µs 872 bytes bytes 30 µs 31 µs 1,504 bytes bytes
App\Models\Tenant\Config\AdditionalFields\BaseAdditionalFieldConf… 6 27 µs 25 µs 1,176 bytes bytes 34 µs 38 µs 1,872 bytes bytes
Illuminate\Database\Query\Builder::newJoinClause 2 25 µs 21 µs -3,072 bytes bytes 208 µs 208 µs 36,624 bytes bytes
App\Casts\Payments\PaymentStatementMetadataCast::set 8 24 µs 25 µs 1,328 bytes bytes 64 µs 67 µs 3,416 bytes bytes
App\Models\Tenant\Labels\Label::getDeletedAtColumn 15 23 µs 31 µs 1,264 bytes bytes 23 µs 31 µs 1,264 bytes bytes
Illuminate\Translation\FileLoader::Illuminate\Translation\{closur… 2 22 µs 24 µs 808 bytes bytes 22 µs 24 µs 808 bytes bytes
Illuminate\Http\Resources\Json\JsonResource::collection 3 22 µs 20 µs 760 bytes bytes 493 µs 494 µs 46,096 bytes bytes
load::settings/finance_notifications_php 1 21 µs 22 µs 4,448 bytes bytes 21 µs 22 µs 4,448 bytes bytes
load::settings/splynx_integration_php 1 21 µs 22 µs 6,512 bytes bytes 21 µs 22 µs 6,512 bytes bytes
load::settings/status_page_notifications_php 1 21 µs 22 µs 5,816 bytes bytes 21 µs 22 µs 5,816 bytes bytes
Illuminate\Database\Eloquent\Collection::map 3 21 µs 19 µs 936 bytes bytes 35 µs 35 µs 1,536 bytes bytes
App\Repositories\Tenant\TargetGroups\TargetGroupRepository::getAv… 3 21 µs 18 µs -4,288 bytes bytes 8,961 µs 5,463 µs 400,040 bytes 584 bytes
Illuminate\Database\Query\Builder::join 2 21 µs 23 µs 1,144 bytes bytes 247 µs 249 µs 40,200 bytes bytes
Illuminate\Translation\Translator::getLine 6 20 µs 21 µs 1,072 bytes bytes 55 µs 56 µs 2,368 bytes bytes
App\Repositories\Tenant\TargetGroups\CustomerParameters::getAllPa… 3 20 µs 19 µs -3,072 bytes bytes 8,839 µs 5,343 µs 385,512 bytes 584 bytes
load::settings/portal_php 1 19 µs 19 µs 3,160 bytes bytes 19 µs 19 µs 3,160 bytes bytes
App\Services\RedirectFlow\Payments\OrderProcessor::loadStatementI… 1 19 µs 20 µs 664 bytes bytes 19 µs 20 µs 664 bytes bytes
load::settings/voucher_limit_notifications_php 1 18 µs 19 µs 6,000 bytes bytes 18 µs 19 µs 6,000 bytes bytes
Illuminate\Http\Resources\Json\ResourceCollection::__construct 3 18 µs 16 µs 792 bytes bytes 106 µs 107 µs 5,048 bytes bytes
Illuminate\Support\Collection::mapInto 3 16 µs 19 µs 696 bytes bytes 51 µs 54 µs 2,232 bytes bytes
Illuminate\Database\Query\JoinClause::on 2 16 µs 14 µs 1,832 bytes bytes 18 µs 18 µs 2,432 bytes bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::buildConditio… 2 16 µs 19 µs 3,672 bytes bytes 16 µs 19 µs 3,672 bytes bytes
Illuminate\Database\Connection::causedByLostConnection 1 16 µs 17 µs 632 bytes 376 bytes 16 µs 17 µs 632 bytes 376 bytes
Illuminate\Translation\Translator::localeArray 3 15 µs 15 µs 1,344 bytes bytes 19 µs 21 µs 1,976 bytes bytes
Illuminate\Database\Query\JoinClause::__construct 2 15 µs 14 µs 728 bytes bytes 18 µs 21 µs 1,928 bytes bytes
Illuminate\Support\Str::replaceArray 1 15 µs 12 µs 1,592 bytes 1,592 bytes 18 µs 19 µs 2,208 bytes 1,952 bytes
App\Services\RedirectFlow\Payments\GatewayLinkGenerator::__constr… 1 15 µs 19 µs 824 bytes bytes 3,396 µs 2,753 µs 4,568 bytes bytes
Illuminate\Translation\Translator::parseKey 3 14 µs 14 µs 1,128 bytes bytes 26 µs 28 µs 3,232 bytes bytes
Illuminate\Database\Query\Grammars\Grammar::compileJoins 2 14 µs 13 µs 536 bytes bytes 47 µs 47 µs 1,520 bytes bytes
Illuminate\Translation\FileLoader::loadPaths 1 13 µs 11 µs 488 bytes bytes 35 µs 35 µs 1,296 bytes bytes
Illuminate\Database\Eloquent\Model::setClassCastableAttribute 1 13 µs 12 µs 832 bytes bytes 30 µs 30 µs 4,176 bytes bytes
App\Providers\AppServiceProvider::App\Providers\{closure} 1 12 µs 12 µs -1,736 bytes bytes 78 µs 79 µs 4,976 bytes bytes
App\Models\Tenant\Location::App\Models\Tenant\{closure} 3 12 µs 12 µs 696 bytes bytes 102 µs 102 µs 2,824 bytes bytes
Illuminate\Support\NamespacedItemResolver::parseKey 3 11 µs 12 µs 1,256 bytes bytes 12 µs 14 µs 2,104 bytes bytes
Illuminate\Http\Resources\Json\AnonymousResourceCollection::__con… 3 11 µs 12 µs 696 bytes bytes 117 µs 119 µs 5,744 bytes bytes
Illuminate\Database\Query\Builder::selectRaw 2 11 µs 10 µs 376 bytes bytes 18 µs 20 µs 1,840 bytes bytes
App\Dto\BaseData::toArray 8 11 µs 16 µs 3,936 bytes bytes 11 µs 16 µs 3,936 bytes bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::App\Services\… 2 10 µs µs 760 bytes bytes 26 µs 27 µs 4,432 bytes bytes
Illuminate\Database\Eloquent\Model::normalizeCastClassResponse 8 µs 14 µs 4,304 bytes bytes µs 14 µs 4,304 bytes bytes
Illuminate\Database\Query\Builder::leftJoin 2 µs µs 664 bytes bytes 255 µs 256 µs 40,864 bytes bytes
App\Services\PaymentGateways\GlobalGateway::getTitle 5 µs 12 µs 632 bytes bytes µs 12 µs 632 bytes bytes
App\Facades\AdditionalFields::getFacadeAccessor 6 µs 10 µs 664 bytes bytes µs 10 µs 664 bytes bytes
Illuminate\Database\Query\Builder::addSelect 2 µs 10 µs 1,464 bytes bytes µs 10 µs 1,464 bytes bytes
Illuminate\Database\QueryException::__construct 1 µs µs 632 bytes 496 bytes 31 µs 32 µs 2,992 bytes 2,736 bytes
Illuminate\Routing\UrlGenerator::Stancl\Tenancy\Bootstrappers\{cl… 1 µs µs 584 bytes bytes µs µs 584 bytes bytes
Illuminate\Http\Resources\Json\ResourceCollection::collects 3 µs µs 632 bytes bytes µs µs 632 bytes bytes
Illuminate\Database\QueryException::formatMessage 1 µs µs 152 bytes 288 bytes 24 µs 24 µs 2,360 bytes 2,240 bytes
Illuminate\Database\Connection::handleQueryException 1 µs µs 632 bytes 632 bytes 27 µs 28 µs 1,960 bytes 1,704 bytes
App\Services\RedirectFlow\Payments\GatewayLinkGenerator::getGatew… 1 µs µs 664 bytes bytes µs µs 664 bytes bytes
Xhgui\Profiler\ProfilingData::__construct 1 µs µs 584 bytes bytes µs µs 584 bytes bytes
App\Models\Tenant\Labels\Label::bootSoftDeletes 1 µs µs 1,064 bytes bytes µs µs 1,064 bytes bytes
Illuminate\Http\Resources\Json\JsonResource::Illuminate\Http\Reso… 3 µs µs 664 bytes bytes µs µs 664 bytes bytes
Illuminate\Database\Connection::tryAgainIfCausedByLostConnection 1 µs µs 696 bytes 696 bytes 21 µs 21 µs 1,328 bytes 1,072 bytes
App\Services\RedirectFlow\Payments\OrderProcessor::__construct 1 µs µs 632 bytes bytes 24 µs 24 µs 1,296 bytes bytes
Illuminate\Translation\Translator::Illuminate\Translation\{closur… 3 µs µs 632 bytes bytes µs µs 632 bytes bytes
Illuminate\Translation\Translator::handleMissingTranslationKey 3 µs 24 µs 664 bytes bytes µs 24 µs 664 bytes bytes
App\Models\Tenant\Config\AdditionalFields\BaseAdditionalFieldConf… 1 µs µs 1,096 bytes bytes µs µs 1,096 bytes bytes
Xhgui\Profiler\Profilers\XHProf::disable 1 µs µs 584 bytes bytes µs µs 584 bytes bytes
Xhgui\Profiler\Profiler::registerShutdownHandler 1 µs µs 1,200 bytes bytes µs µs 1,200 bytes bytes
Illuminate\Support\Str::toStringOr 2 µs µs 616 bytes 360 bytes µs µs 616 bytes 360 bytes
App\Services\PaymentGateways\GlobalGateway::getHiddenGateways 1 µs µs 632 bytes bytes µs µs 632 bytes bytes
Illuminate\Http\Resources\Json\JsonResource::__construct 3 µs µs 632 bytes bytes µs µs 632 bytes bytes
Illuminate\Database\Query\Builder::getGrammar 2 µs µs 600 bytes bytes µs µs 600 bytes bytes
Illuminate\Database\Query\Grammars\Grammar::getOperators 2 µs µs 600 bytes bytes µs µs 600 bytes bytes
App\Services\TargetGroups\TargetGroupsQueryBuilder::buildOrWhereG… 2 µs µs 2,184 bytes bytes µs µs 2,184 bytes bytes
App\Services\RedirectFlow\Payments\StatementCreator::__construct 1 µs µs 632 bytes bytes µs µs 632 bytes bytes
Illuminate\Support\NamespacedItemResolver::parseBasicSegments 1 µs µs 848 bytes bytes µs µs 848 bytes bytes
Illuminate\Database\Query\Builder::getProcessor 2 µs µs 600 bytes bytes µs µs 600 bytes bytes