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metrics_scheduler.go
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metrics_scheduler.go
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package prometheus
import (
"time"
"github.com/iotaledger/hive.go/runtime/event"
"github.com/iotaledger/iota-core/components/prometheus/collector"
"github.com/iotaledger/iota-core/pkg/protocol/engine/blocks"
)
const (
schedulerNamespace = "scheduler"
queueSizePerNodeWork = "queue_size_per_node_work"
queueSizePerNodeCount = "queue_size_per_node_count"
validatorQueueSizePerNodeCount = "validator_queue_size_per_node_count"
schedulerProcessedBlocks = "processed_blocks"
scheduledBlockLabel = "scheduled"
skippedBlockLabel = "skipped"
droppedBlockLabel = "dropped"
enqueuedBlockLabel = "enqueued"
basicBufferReadyBlockCount = "buffer_ready_block_total"
basicBufferTotalSize = "buffer_size_block_total"
basicBufferMaxSize = "buffer_max_size"
rate = "rate"
validatorBufferTotalSize = "validator_buffer_size_block_total"
validatorQueueMaxSize = "validator_buffer_max_size"
)
var SchedulerMetrics = collector.NewCollection(schedulerNamespace,
collector.WithMetric(collector.NewMetric(queueSizePerNodeWork,
collector.WithType(collector.Gauge),
collector.WithLabels("issuer_id"),
collector.WithPruningDelay(10*time.Minute),
collector.WithHelp("Current size of each node's queue (in work units)."),
collector.WithInitFunc(func() {
deps.Protocol.Events.Engine.Scheduler.BlockEnqueued.Hook(func(block *blocks.Block) {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeWork, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueWork(block.IssuerID())), block.IssuerID().String())
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockSkipped.Hook(func(block *blocks.Block) {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeWork, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueWork(block.IssuerID())), block.IssuerID().String())
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockDropped.Hook(func(block *blocks.Block, _ error) {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeWork, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueWork(block.IssuerID())), block.IssuerID().String())
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockScheduled.Hook(func(block *blocks.Block) {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeWork, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueWork(block.IssuerID())), block.IssuerID().String())
}, event.WithWorkerPool(Component.WorkerPool))
}),
)),
collector.WithMetric(collector.NewMetric(queueSizePerNodeCount,
collector.WithType(collector.Gauge),
collector.WithLabels("issuer_id"),
collector.WithPruningDelay(10*time.Minute),
collector.WithHelp("Current size of each node's queue (as block count)."),
collector.WithInitFunc(func() {
deps.Protocol.Events.Engine.Scheduler.BlockEnqueued.Hook(func(block *blocks.Block) {
if block.IsBasicBlock() {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockSkipped.Hook(func(block *blocks.Block) {
if block.IsBasicBlock() {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockDropped.Hook(func(block *blocks.Block, _ error) {
if block.IsBasicBlock() {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockScheduled.Hook(func(block *blocks.Block) {
if block.IsBasicBlock() {
deps.Collector.Update(schedulerNamespace, queueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.IssuerQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
}),
)),
collector.WithMetric(collector.NewMetric(validatorQueueSizePerNodeCount,
collector.WithType(collector.Gauge),
collector.WithLabels("issuer_id"),
collector.WithPruningDelay(10*time.Minute),
collector.WithHelp("Current number of validation blocks in each validator's queue."),
collector.WithInitFunc(func() {
deps.Protocol.Events.Engine.Scheduler.BlockEnqueued.Hook(func(block *blocks.Block) {
if block.IsValidationBlock() {
deps.Collector.Update(schedulerNamespace, validatorQueueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.ValidatorQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockSkipped.Hook(func(block *blocks.Block) {
if block.IsValidationBlock() {
deps.Collector.Update(schedulerNamespace, validatorQueueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.ValidatorQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockDropped.Hook(func(block *blocks.Block, _ error) {
if block.IsValidationBlock() {
deps.Collector.Update(schedulerNamespace, validatorQueueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.ValidatorQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockScheduled.Hook(func(block *blocks.Block) {
if block.IsValidationBlock() {
deps.Collector.Update(schedulerNamespace, validatorQueueSizePerNodeCount, float64(deps.Protocol.Engines.Main.Get().Scheduler.ValidatorQueueBlockCount(block.IssuerID())), block.IssuerID().String())
}
}, event.WithWorkerPool(Component.WorkerPool))
}),
)),
collector.WithMetric(collector.NewMetric(schedulerProcessedBlocks,
collector.WithType(collector.Counter),
collector.WithLabels("state"),
collector.WithHelp("Number of blocks processed by the scheduler."),
collector.WithInitFunc(func() {
deps.Protocol.Events.Engine.Scheduler.BlockEnqueued.Hook(func(_ *blocks.Block) {
deps.Collector.Increment(schedulerNamespace, schedulerProcessedBlocks, enqueuedBlockLabel)
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockDropped.Hook(func(_ *blocks.Block, _ error) {
deps.Collector.Increment(schedulerNamespace, schedulerProcessedBlocks, droppedBlockLabel)
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockSkipped.Hook(func(_ *blocks.Block) {
deps.Collector.Increment(schedulerNamespace, schedulerProcessedBlocks, skippedBlockLabel)
}, event.WithWorkerPool(Component.WorkerPool))
deps.Protocol.Events.Engine.Scheduler.BlockScheduled.Hook(func(_ *blocks.Block) {
deps.Collector.Increment(schedulerNamespace, schedulerProcessedBlocks, scheduledBlockLabel)
}, event.WithWorkerPool(Component.WorkerPool))
}),
)),
collector.WithMetric(collector.NewMetric(basicBufferMaxSize,
collector.WithType(collector.Gauge),
collector.WithHelp("Maximum number of basic blocks that can be stored in the buffer."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().CommittedAPI().ProtocolParameters().CongestionControlParameters().MaxBufferSize), []string{}
}),
)),
collector.WithMetric(collector.NewMetric(basicBufferReadyBlockCount,
collector.WithType(collector.Gauge),
collector.WithHelp("Number of ready blocks in the scheduler buffer."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().Scheduler.ReadyBlocksCount()), []string{}
}),
)),
collector.WithMetric(collector.NewMetric(basicBufferTotalSize,
collector.WithType(collector.Gauge),
collector.WithHelp("Current number of basic blocks in the scheduler buffer."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().Scheduler.BasicBufferSize()), []string{}
}),
)),
collector.WithMetric(collector.NewMetric(rate,
collector.WithType(collector.Gauge),
collector.WithHelp("Current scheduling rate of basic blocks."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().CommittedAPI().ProtocolParameters().CongestionControlParameters().SchedulerRate), []string{}
}),
)),
collector.WithMetric(collector.NewMetric(validatorBufferTotalSize,
collector.WithType(collector.Gauge),
collector.WithHelp("Current number of validation blocks in the scheduling buffer."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().Scheduler.ValidatorBufferSize()), []string{}
}),
)),
collector.WithMetric(collector.NewMetric(validatorQueueMaxSize,
collector.WithType(collector.Gauge),
collector.WithHelp("Maximum number of validation blocks that can be stored in each validator queue."),
collector.WithCollectFunc(func() (float64, []string) {
return float64(deps.Protocol.Engines.Main.Get().CommittedAPI().ProtocolParameters().CongestionControlParameters().MaxValidationBufferSize), []string{}
}),
)),
)