Custom Profiles

Comprehensive guide to creating, managing, and analyzing custom performance profiles in Go applications. This guide covers profile types, collection strategies, analysis techniques, and automated profiling systems for specialized performance monitoring.
Introduction
Profile Types
Collection Framework
Custom Collectors
Analysis Engine
Storage Systems
Visualization
Automation
Integration
Best Practices
Introduction

Custom profiles enable specialized performance monitoring tailored to specific application requirements. This guide provides comprehensive frameworks for implementing custom profiling solutions that capture domain-specific performance characteristics and provide actionable insights.
Profile Management System

package main

import (
    "context"
    "encoding/json"
    "fmt"
    "sync"
    "time"
)

// ProfileManager manages custom performance profiles
type ProfileManager struct {
    profiles    map[string]*CustomProfile
    collectors  map[string]ProfileCollector
    analyzers   map[string]ProfileAnalyzer
    storage     ProfileStorage
    scheduler   *ProfileScheduler
    processor   *ProfileProcessor
    visualizer  *ProfileVisualizer
    notifier    *ProfileNotifier
    metrics     *ProfileMetrics
    config      ProfileManagerConfig
    mu          sync.RWMutex
}

// ProfileManagerConfig contains profile manager configuration
type ProfileManagerConfig struct {
    MaxProfiles         int
    RetentionPeriod     time.Duration
    CollectionInterval  time.Duration
    AnalysisInterval    time.Duration
    StorageInterval     time.Duration
    CompressionEnabled  bool
    EncryptionEnabled   bool
    ReplicationEnabled  bool
    AlertingEnabled     bool
    MetricsEnabled      bool
    TracingEnabled      bool
    AutoCleanupEnabled  bool
}

// CustomProfile represents a custom performance profile
type CustomProfile struct {
    ID              string
    Name            string
    Description     string
    Type            ProfileType
    Category        ProfileCategory
    Configuration   ProfileConfiguration
    Schema          ProfileSchema
    Metadata        ProfileMetadata
    Collectors      []string
    Analyzers       []string
    Storage         StorageConfiguration
    Lifecycle       ProfileLifecycle
    Security        SecurityConfiguration
    Performance     PerformanceConfiguration
    Quality         QualityConfiguration
    Status          ProfileStatus
    CreatedAt       time.Time
    UpdatedAt       time.Time
}

// ProfileType defines profile types
type ProfileType int

const (
    PerformanceProfile ProfileType = iota
    SecurityProfile
    ResourceProfile
    BusinessProfile
    CustomMetricProfile
    CompositeProfile
    RealTimeProfile
    HistoricalProfile
    ComparisonProfile
    AlertProfile
)

// ProfileCategory defines profile categories
type ProfileCategory int

const (
    SystemCategory ProfileCategory = iota
    ApplicationCategory
    BusinessCategory
    SecurityCategory
    NetworkCategory
    StorageCategory
    DatabaseCategory
    APICategory
    UserCategory
    CustomCategory
)

// ProfileConfiguration contains profile configuration
type ProfileConfiguration struct {
    SamplingRate        float64
    CollectionFrequency time.Duration
    BufferSize          int
    BatchSize           int
    MaxRetries          int
    Timeout             time.Duration
    Filters             []ProfileFilter
    Aggregations        []ProfileAggregation
    Transformations     []ProfileTransformation
    Validations         []ProfileValidation
    Enrichments         []ProfileEnrichment
    Outputs             []ProfileOutput
}

// ProfileFilter defines data filtering
type ProfileFilter struct {
    Field     string
    Operator  FilterOperator
    Value     interface{}
    Condition FilterCondition
    Enabled   bool
}

// FilterOperator defines filter operators
type FilterOperator int

const (
    EqualFilter FilterOperator = iota
    NotEqualFilter
    GreaterFilter
    LessFilter
    ContainsFilter
    StartsWithFilter
    EndsWithFilter
    RegexFilter
    InFilter
    NotInFilter
)

// FilterCondition defines filter conditions
type FilterCondition int

const (
    AndCondition FilterCondition = iota
    OrCondition
    NotCondition
)

// ProfileAggregation defines data aggregation
type ProfileAggregation struct {
    Field      string
    Function   AggregationFunction
    Window     time.Duration
    Grouping   []string
    Conditions []AggregationCondition
    Enabled    bool
}

// AggregationFunction defines aggregation functions
type AggregationFunction int

const (
    SumAggregation AggregationFunction = iota
    AverageAggregation
    CountAggregation
    MaxAggregation
    MinAggregation
    MedianAggregation
    PercentileAggregation
    StandardDeviationAggregation
)

// AggregationCondition defines aggregation conditions
type AggregationCondition struct {
    Field    string
    Operator FilterOperator
    Value    interface{}
}

// ProfileTransformation defines data transformation
type ProfileTransformation struct {
    Type       TransformationType
    Function   string
    Parameters map[string]interface{}
    Order      int
    Enabled    bool
}

// TransformationType defines transformation types
type TransformationType int

const (
    NormalizationTransformation TransformationType = iota
    StandardizationTransformation
    EncodingTransformation
    DecodingTransformation
    CompressionTransformation
    DecompressionTransformation
    EncryptionTransformation
    DecryptionTransformation
    FormatTransformation
    CustomTransformation
)

// ProfileValidation defines data validation
type ProfileValidation struct {
    Type       ValidationType
    Rule       string
    Parameters map[string]interface{}
    Action     ValidationAction
    Severity   ValidationSeverity
    Enabled    bool
}

// ValidationType defines validation types
type ValidationType int

const (
    SchemaValidation ValidationType = iota
    RangeValidation
    FormatValidation
    ConsistencyValidation
    CompletenessValidation
    AccuracyValidation
    TimelinessValidation
    CustomValidation
)

// ValidationAction defines validation actions
type ValidationAction int

const (
    LogValidationAction ValidationAction = iota
    AlertValidationAction
    RejectValidationAction
    CorrectValidationAction
    IgnoreValidationAction
)

// ValidationSeverity defines validation severity levels
type ValidationSeverity int

const (
    InfoValidation ValidationSeverity = iota
    WarningValidation
    ErrorValidation
    CriticalValidation
)

// ProfileEnrichment defines data enrichment
type ProfileEnrichment struct {
    Type       EnrichmentType
    Source     string
    Fields     []string
    Mapping    map[string]string
    Cache      bool
    TTL        time.Duration
    Enabled    bool
}

// EnrichmentType defines enrichment types
type EnrichmentType int

const (
    MetadataEnrichment EnrichmentType = iota
    ContextEnrichment
    CalculatedEnrichment
    LookupEnrichment
    GeoEnrichment
    TemporalEnrichment
    StatisticalEnrichment
    CustomEnrichment
)

// ProfileOutput defines output configuration
type ProfileOutput struct {
    Type        OutputType
    Destination string
    Format      OutputFormat
    Frequency   time.Duration
    Batch       bool
    BatchSize   int
    Compression bool
    Encryption  bool
    Enabled     bool
}

// OutputType defines output types
type OutputType int

const (
    FileOutput OutputType = iota
    DatabaseOutput
    StreamOutput
    APIOutput
    WebhookOutput
    MessageQueueOutput
    CloudOutput
    CustomOutput
)

// OutputFormat defines output formats
type OutputFormat int

const (
    JSONFormat OutputFormat = iota
    XMLFormat
    CSVFormat
    ParquetFormat
    AvroFormat
    ProtobufFormat
    BinaryFormat
    CustomFormat
)

// ProfileSchema defines profile data schema
type ProfileSchema struct {
    Version     string
    Fields      []SchemaField
    Indexes     []SchemaIndex
    Constraints []SchemaConstraint
    Metadata    SchemaMetadata
}

// SchemaField defines schema field
type SchemaField struct {
    Name        string
    Type        FieldType
    Required    bool
    Nullable    bool
    Default     interface{}
    Validation  FieldValidation
    Description string
    Tags        map[string]string
}

// FieldType defines field types
type FieldType int

const (
    StringField FieldType = iota
    IntegerField
    FloatField
    BooleanField
    TimestampField
    ArrayField
    ObjectField
    BinaryField
    JSONField
    CustomField
)

// FieldValidation defines field validation
type FieldValidation struct {
    MinLength   *int
    MaxLength   *int
    MinValue    *float64
    MaxValue    *float64
    Pattern     string
    Enum        []interface{}
    Custom      string
}

// SchemaIndex defines schema index
type SchemaIndex struct {
    Name    string
    Fields  []string
    Type    IndexType
    Unique  bool
    Options map[string]interface{}
}

// IndexType defines index types
type IndexType int

const (
    BTreeIndex IndexType = iota
    HashIndex
    GINIndex
    GiSTIndex
    FullTextIndex
    SpatialIndex
    CustomIndex
)

// SchemaConstraint defines schema constraint
type SchemaConstraint struct {
    Name       string
    Type       ConstraintType
    Fields     []string
    Reference  string
    Action     ConstraintAction
    Validation string
}

// ConstraintType defines constraint types
type ConstraintType int

const (
    PrimaryKeyConstraint ConstraintType = iota
    ForeignKeyConstraint
    UniqueConstraint
    CheckConstraint
    NotNullConstraint
    CustomConstraint
)

// ConstraintAction defines constraint actions
type ConstraintAction int

const (
    RestrictAction ConstraintAction = iota
    CascadeAction
    SetNullAction
    SetDefaultAction
    NoAction
)

// SchemaMetadata contains schema metadata
type SchemaMetadata struct {
    Author      string
    Version     string
    Description string
    Tags        map[string]string
    References  []string
    CreatedAt   time.Time
    UpdatedAt   time.Time
}

// ProfileMetadata contains profile metadata
type ProfileMetadata struct {
    Author      string
    Team        string
    Purpose     string
    Business    BusinessMetadata
    Technical   TechnicalMetadata
    Compliance  ComplianceMetadata
    Tags        map[string]string
    Labels      map[string]string
    Annotations map[string]interface{}
    Links       []MetadataLink
}

// BusinessMetadata contains business metadata
type BusinessMetadata struct {
    Owner       string
    Stakeholder string
    Purpose     string
    Value       string
    Priority    BusinessPriority
    SLA         SLAMetadata
    Cost        CostMetadata
}

// BusinessPriority defines business priorities
type BusinessPriority int

const (
    LowBusinessPriority BusinessPriority = iota
    MediumBusinessPriority
    HighBusinessPriority
    CriticalBusinessPriority
)

// SLAMetadata contains SLA metadata
type SLAMetadata struct {
    Availability float64
    Latency      time.Duration
    Throughput   float64
    Recovery     time.Duration
    Backup       time.Duration
}

// CostMetadata contains cost metadata
type CostMetadata struct {
    Development float64
    Operation   float64
    Storage     float64
    Compute     float64
    Network     float64
    Total       float64
    Currency    string
}

// TechnicalMetadata contains technical metadata
type TechnicalMetadata struct {
    Dependencies []string
    Performance  PerformanceMetadata
    Security     SecurityMetadata
    Scalability  ScalabilityMetadata
    Reliability  ReliabilityMetadata
}

// PerformanceMetadata contains performance metadata
type PerformanceMetadata struct {
    Latency    time.Duration
    Throughput float64
    Memory     int64
    CPU        float64
    Storage    int64
    Network    float64
}

// SecurityMetadata contains security metadata
type SecurityMetadata struct {
    Classification SecurityClassification
    Encryption     bool
    Access         AccessMetadata
    Audit          bool
    Compliance     []string
}

// SecurityClassification defines security classifications
type SecurityClassification int

const (
    PublicClassification SecurityClassification = iota
    InternalClassification
    ConfidentialClassification
    RestrictedClassification
)

// AccessMetadata contains access metadata
type AccessMetadata struct {
    Read   []string
    Write  []string
    Admin  []string
    Groups []string
    Roles  []string
}

// ScalabilityMetadata contains scalability metadata
type ScalabilityMetadata struct {
    Horizontal bool
    Vertical   bool
    Limits     ScalabilityLimits
    Patterns   []string
}

// ScalabilityLimits defines scalability limits
type ScalabilityLimits struct {
    MaxInstances int
    MaxMemory    int64
    MaxCPU       float64
    MaxStorage   int64
    MaxNetwork   float64
}

// ReliabilityMetadata contains reliability metadata
type ReliabilityMetadata struct {
    Availability float64
    MTBF         time.Duration
    MTTR         time.Duration
    RTO          time.Duration
    RPO          time.Duration
    Redundancy   RedundancyMetadata
}

// RedundancyMetadata contains redundancy metadata
type RedundancyMetadata struct {
    Level    RedundancyLevel
    Strategy RedundancyStrategy
    Zones    []string
    Replicas int
}

// RedundancyLevel defines redundancy levels
type RedundancyLevel int

const (
    NoRedundancy RedundancyLevel = iota
    BasicRedundancy
    HighRedundancy
    UltraRedundancy
)

// RedundancyStrategy defines redundancy strategies
type RedundancyStrategy int

const (
    ActivePassive RedundancyStrategy = iota
    ActiveActive
    LoadBalanced
    Geographic
)

// ComplianceMetadata contains compliance metadata
type ComplianceMetadata struct {
    Standards   []string
    Regulations []string
    Audits      []AuditMetadata
    Certification []CertificationMetadata
}

// AuditMetadata contains audit metadata
type AuditMetadata struct {
    Type      string
    Date      time.Time
    Auditor   string
    Status    AuditStatus
    Findings  []string
    Actions   []string
}

// AuditStatus defines audit status
type AuditStatus int

const (
    PendingAudit AuditStatus = iota
    InProgressAudit
    PassedAudit
    FailedAudit
    ExemptAudit
)

// CertificationMetadata contains certification metadata
type CertificationMetadata struct {
    Type      string
    Issuer    string
    Date      time.Time
    Expiry    time.Time
    Status    CertificationStatus
    Reference string
}

// CertificationStatus defines certification status
type CertificationStatus int

const (
    ValidCertification CertificationStatus = iota
    ExpiredCertification
    RevokedCertification
    PendingCertification
)

// MetadataLink represents metadata links
type MetadataLink struct {
    Type        LinkType
    URL         string
    Description string
    Verified    bool
    LastChecked time.Time
}

// LinkType defines link types
type LinkType int

const (
    DocumentationLink LinkType = iota
    SourceCodeLink
    DashboardLink
    APILink
    MonitoringLink
    AlertLink
    ReportLink
    WikiLink
)

// StorageConfiguration contains storage configuration
type StorageConfiguration struct {
    Backend        StorageBackend
    Location       string
    Partitioning   PartitioningConfig
    Compression    CompressionConfig
    Encryption     EncryptionConfig
    Replication    ReplicationConfig
    Backup         BackupConfig
    Archival       ArchivalConfig
    Retention      RetentionConfig
}

// StorageBackend defines storage backends
type StorageBackend int

const (
    FileSystemStorage StorageBackend = iota
    DatabaseStorage
    ObjectStorage
    TimeSeriesStorage
    SearchStorage
    GraphStorage
    CacheStorage
    StreamStorage
)

// PartitioningConfig contains partitioning configuration
type PartitioningConfig struct {
    Strategy   PartitioningStrategy
    Field      string
    Size       int64
    Count      int
    TimeWindow time.Duration
    Enabled    bool
}

// PartitioningStrategy defines partitioning strategies
type PartitioningStrategy int

const (
    TimePartitioning PartitioningStrategy = iota
    HashPartitioning
    RangePartitioning
    ListPartitioning
    CompositePartitioning
)

// CompressionConfig contains compression configuration
type CompressionConfig struct {
    Algorithm CompressionAlgorithm
    Level     int
    Enabled   bool
}

// CompressionAlgorithm defines compression algorithms
type CompressionAlgorithm int

const (
    GZipCompression CompressionAlgorithm = iota
    LZ4Compression
    SnappyCompression
    ZstdCompression
    BrotliCompression
)

// EncryptionConfig contains encryption configuration
type EncryptionConfig struct {
    Algorithm     EncryptionAlgorithm
    KeySize       int
    KeyRotation   bool
    RotationPeriod time.Duration
    Enabled       bool
}

// EncryptionAlgorithm defines encryption algorithms
type EncryptionAlgorithm int

const (
    AESEncryption EncryptionAlgorithm = iota
    ChaCha20Encryption
    RSAEncryption
    ECCEncryption
)

// ReplicationConfig contains replication configuration
type ReplicationConfig struct {
    Strategy ReplicationStrategy
    Factor   int
    Zones    []string
    Async    bool
    Enabled  bool
}

// ReplicationStrategy defines replication strategies
type ReplicationStrategy int

const (
    MasterSlave ReplicationStrategy = iota
    MasterMaster
    ChainReplication
    TreeReplication
)

// BackupConfig contains backup configuration
type BackupConfig struct {
    Strategy  BackupStrategy
    Frequency time.Duration
    Retention time.Duration
    Location  string
    Enabled   bool
}

// BackupStrategy defines backup strategies
type BackupStrategy int

const (
    FullBackup BackupStrategy = iota
    IncrementalBackup
    DifferentialBackup
    ContinuousBackup
)

// ArchivalConfig contains archival configuration
type ArchivalConfig struct {
    Strategy  ArchivalStrategy
    Threshold time.Duration
    Location  string
    Enabled   bool
}

// ArchivalStrategy defines archival strategies
type ArchivalStrategy int

const (
    TimeBasedArchival ArchivalStrategy = iota
    SizeBasedArchival
    AccessBasedArchival
    PolicyBasedArchival
)

// RetentionConfig contains retention configuration
type RetentionConfig struct {
    Policy   RetentionPolicy
    Duration time.Duration
    Enabled  bool
}

// RetentionPolicy defines retention policies
type RetentionPolicy int

const (
    TimeBasedRetention RetentionPolicy = iota
    SizeBasedRetention
    CountBasedRetention
    PolicyBasedRetention
)

// ProfileLifecycle contains profile lifecycle configuration
type ProfileLifecycle struct {
    States      []LifecycleState
    Transitions []LifecycleTransition
    Current     string
    History     []LifecycleEvent
}

// LifecycleState defines lifecycle states
type LifecycleState struct {
    Name        string
    Description string
    Actions     []string
    Permissions []string
    Validation  []string
    Hooks       []string
}

// LifecycleTransition defines lifecycle transitions
type LifecycleTransition struct {
    From        string
    To          string
    Event       string
    Condition   string
    Action      string
    Validation  string
    Rollback    string
}

// LifecycleEvent represents lifecycle events
type LifecycleEvent struct {
    Timestamp   time.Time
    Event       string
    FromState   string
    ToState     string
    Actor       string
    Reason      string
    Metadata    map[string]interface{}
}

// SecurityConfiguration contains security configuration
type SecurityConfiguration struct {
    Authentication AuthenticationConfig
    Authorization  AuthorizationConfig
    Encryption     EncryptionConfig
    Audit          AuditConfig
    Privacy        PrivacyConfig
}

// AuthenticationConfig contains authentication configuration
type AuthenticationConfig struct {
    Method   AuthenticationMethod
    Provider string
    Settings map[string]interface{}
    Enabled  bool
}

// AuthenticationMethod defines authentication methods
type AuthenticationMethod int

const (
    NoAuthentication AuthenticationMethod = iota
    BasicAuthentication
    TokenAuthentication
    CertificateAuthentication
    OAuthAuthentication
    SAMLAuthentication
    LDAPAuthentication
    CustomAuthentication
)

// AuthorizationConfig contains authorization configuration
type AuthorizationConfig struct {
    Model    AuthorizationModel
    Policies []AuthorizationPolicy
    Roles    []AuthorizationRole
    Enabled  bool
}

// AuthorizationModel defines authorization models
type AuthorizationModel int

const (
    NoAuthorization AuthorizationModel = iota
    RoleBasedAccess
    AttributeBasedAccess
    PolicyBasedAccess
    CustomAuthorization
)

// AuthorizationPolicy defines authorization policies
type AuthorizationPolicy struct {
    Name        string
    Description string
    Rules       []PolicyRule
    Effect      PolicyEffect
    Conditions  []PolicyCondition
    Enabled     bool
}

// PolicyRule defines policy rules
type PolicyRule struct {
    Resource string
    Action   string
    Effect   PolicyEffect
    Principal string
    Condition string
}

// PolicyEffect defines policy effects
type PolicyEffect int

const (
    AllowEffect PolicyEffect = iota
    DenyEffect
    ConditionalEffect
)

// PolicyCondition defines policy conditions
type PolicyCondition struct {
    Field    string
    Operator string
    Value    interface{}
    Type     ConditionType
}

// ConditionType defines condition types
type ConditionType int

const (
    SimpleCondition ConditionType = iota
    ComplexCondition
    DynamicCondition
)

// AuthorizationRole defines authorization roles
type AuthorizationRole struct {
    Name        string
    Description string
    Permissions []Permission
    Inheritance []string
    Enabled     bool
}

// Permission defines permissions
type Permission struct {
    Resource string
    Actions  []string
    Scope    string
    Condition string
}

// AuditConfig contains audit configuration
type AuditConfig struct {
    Events   []AuditEvent
    Storage  AuditStorage
    Retention time.Duration
    Enabled  bool
}

// AuditEvent defines audit events
type AuditEvent struct {
    Type        string
    Description string
    Level       AuditLevel
    Fields      []string
    Enabled     bool
}

// AuditLevel defines audit levels
type AuditLevel int

const (
    InfoAudit AuditLevel = iota
    WarningAudit
    ErrorAudit
    CriticalAudit
)

// AuditStorage defines audit storage
type AuditStorage struct {
    Backend   StorageBackend
    Location  string
    Format    OutputFormat
    Rotation  RotationConfig
    Encryption bool
}

// RotationConfig contains rotation configuration
type RotationConfig struct {
    Size      int64
    Age       time.Duration
    Count     int
    Enabled   bool
}

// PrivacyConfig contains privacy configuration
type PrivacyConfig struct {
    Anonymization AnonymizationConfig
    Pseudonymization PseudonymizationConfig
    Masking       MaskingConfig
    Redaction     RedactionConfig
    Enabled       bool
}

// AnonymizationConfig contains anonymization configuration
type AnonymizationConfig struct {
    Fields    []string
    Method    AnonymizationMethod
    Strength  AnonymizationStrength
    Enabled   bool
}

// AnonymizationMethod defines anonymization methods
type AnonymizationMethod int

const (
    GeneralizationAnonymization AnonymizationMethod = iota
    SuppressionAnonymization
    PerturbationAnonymization
    SyntheticAnonymization
)

// AnonymizationStrength defines anonymization strength
type AnonymizationStrength int

const (
    WeakAnonymization AnonymizationStrength = iota
    ModerateAnonymization
    StrongAnonymization
)

// PseudonymizationConfig contains pseudonymization configuration
type PseudonymizationConfig struct {
    Fields   []string
    Method   PseudonymizationMethod
    Key      string
    Reversible bool
    Enabled  bool
}

// PseudonymizationMethod defines pseudonymization methods
type PseudonymizationMethod int

const (
    HashPseudonymization PseudonymizationMethod = iota
    EncryptionPseudonymization
    TokenPseudonymization
    FormatPreservingPseudonymization
)

// MaskingConfig contains masking configuration
type MaskingConfig struct {
    Fields   []string
    Method   MaskingMethod
    Pattern  string
    Enabled  bool
}

// MaskingMethod defines masking methods
type MaskingMethod int

const (
    StaticMasking MaskingMethod = iota
    DynamicMasking
    FormatPreservingMasking
    ContextualMasking
)

// RedactionConfig contains redaction configuration
type RedactionConfig struct {
    Fields    []string
    Method    RedactionMethod
    Replacement string
    Enabled   bool
}

// RedactionMethod defines redaction methods
type RedactionMethod int

const (
    CompleteRedaction RedactionMethod = iota
    PartialRedaction
    PatternRedaction
    ConditionalRedaction
)

// PerformanceConfiguration contains performance configuration
type PerformanceConfiguration struct {
    Concurrency   ConcurrencyConfig
    Memory        MemoryConfig
    Storage       StoragePerformanceConfig
    Network       NetworkConfig
    Caching       CachingConfig
    Optimization  OptimizationConfig
}

// ConcurrencyConfig contains concurrency configuration
type ConcurrencyConfig struct {
    MaxWorkers    int
    QueueSize     int
    Timeout       time.Duration
    BackPressure  bool
    LoadBalancing LoadBalancingStrategy
}

// LoadBalancingStrategy defines load balancing strategies
type LoadBalancingStrategy int

const (
    RoundRobinBalancing LoadBalancingStrategy = iota
    LeastConnectionsBalancing
    WeightedBalancing
    AdaptiveBalancing
)

// MemoryConfig contains memory configuration
type MemoryConfig struct {
    MaxMemory    int64
    BufferSize   int
    PoolSize     int
    GCSettings   GCConfig
    Monitoring   bool
}

// GCConfig contains garbage collection configuration
type GCConfig struct {
    TargetPercent int
    MaxPause      time.Duration
    GCPolicy      GCPolicy
    Debug         bool
}

// GCPolicy defines garbage collection policies
type GCPolicy int

const (
    AdaptiveGC GCPolicy = iota
    ConservativeGC
    AggressiveGC
    CustomGC
)

// StoragePerformanceConfig contains storage performance configuration
type StoragePerformanceConfig struct {
    ReadBuffer    int
    WriteBuffer   int
    IOQueue       int
    BatchSize     int
    Sync          SyncPolicy
    Compression   bool
}

// SyncPolicy defines sync policies
type SyncPolicy int

const (
    NoSync SyncPolicy = iota
    PeriodicSync
    ImmediateSync
    AdaptiveSync
)

// NetworkConfig contains network configuration
type NetworkConfig struct {
    MaxConnections int
    KeepAlive      time.Duration
    Timeout        time.Duration
    BufferSize     int
    Compression    bool
    Multiplexing   bool
}

// CachingConfig contains caching configuration
type CachingConfig struct {
    Enabled     bool
    Size        int64
    TTL         time.Duration
    Strategy    CachingStrategy
    Eviction    EvictionPolicy
    Compression bool
}

// CachingStrategy defines caching strategies
type CachingStrategy int

const (
    LRUCaching CachingStrategy = iota
    LFUCaching
    FIFOCaching
    RandomCaching
    AdaptiveCaching
)

// EvictionPolicy defines eviction policies
type EvictionPolicy int

const (
    LRUEviction EvictionPolicy = iota
    LFUEviction
    TimeEviction
    SizeEviction
    CustomEviction
)

// OptimizationConfig contains optimization configuration
type OptimizationConfig struct {
    Enabled        bool
    Level          OptimizationLevel
    Techniques     []OptimizationTechnique
    AutoTuning     bool
    Monitoring     bool
    Benchmarking   bool
}

// OptimizationLevel defines optimization levels
type OptimizationLevel int

const (
    NoOptimization OptimizationLevel = iota
    BasicOptimization
    AggressiveOptimization
    ExtremeOptimization
)

// OptimizationTechnique defines optimization techniques
type OptimizationTechnique int

const (
    CompilerOptimization OptimizationTechnique = iota
    MemoryOptimization
    IOOptimization
    NetworkOptimization
    AlgorithmOptimization
    DataStructureOptimization
)

// QualityConfiguration contains quality configuration
type QualityConfiguration struct {
    Metrics     []QualityMetric
    Thresholds  map[string]float64
    Monitoring  bool
    Alerting    bool
    Reporting   bool
    Automation  bool
}

// QualityMetric defines quality metrics
type QualityMetric struct {
    Name        string
    Description string
    Type        QualityMetricType
    Formula     string
    Threshold   float64
    Enabled     bool
}

// QualityMetricType defines quality metric types
type QualityMetricType int

const (
    AccuracyMetric QualityMetricType = iota
    CompletenessMetric
    ConsistencyMetric
    TimelinessMetric
    ValidityMetric
    ReliabilityMetric
)

// ProfileStatus defines profile status
type ProfileStatus int

const (
    DraftProfile ProfileStatus = iota
    ActiveProfile
    InactiveProfile
    DeprecatedProfile
    ArchivedProfile
    ErrorProfile
)

// ProfileCollector interface for collecting profile data
type ProfileCollector interface {
    Collect(ctx context.Context, profile *CustomProfile) (*ProfileData, error)
    Start(ctx context.Context) error
    Stop() error
    GetStatus() CollectorStatus
    GetMetrics() CollectorMetrics
    Configure(config interface{}) error
    Validate() error
}

// ProfileData represents collected profile data
type ProfileData struct {
    ProfileID   string
    Timestamp   time.Time
    Source      string
    Type        string
    Data        map[string]interface{}
    Metadata    map[string]interface{}
    Quality     DataQuality
    Size        int64
    Checksum    string
    Compressed  bool
    Encrypted   bool
}

// DataQuality represents data quality metrics
type DataQuality struct {
    Accuracy    float64
    Completeness float64
    Consistency float64
    Timeliness  float64
    Validity    float64
    Score       float64
    Issues      []QualityIssue
}

// QualityIssue represents data quality issues
type QualityIssue struct {
    Type        QualityIssueType
    Severity    IssueSeverity
    Field       string
    Value       interface{}
    Description string
    Suggestion  string
}

// QualityIssueType defines quality issue types
type QualityIssueType int

const (
    MissingDataIssue QualityIssueType = iota
    InvalidDataIssue
    InconsistentDataIssue
    DuplicateDataIssue
    OutdatedDataIssue
    FormatIssue
)

// IssueSeverity defines issue severity levels
type IssueSeverity int

const (
    LowSeverity IssueSeverity = iota
    MediumSeverity
    HighSeverity
    CriticalSeverity
)

// CollectorStatus defines collector status
type CollectorStatus int

const (
    IdleCollector CollectorStatus = iota
    RunningCollector
    PausedCollector
    ErrorCollector
    StoppedCollector
)

// CollectorMetrics contains collector metrics
type CollectorMetrics struct {
    RecordsCollected int64
    BytesCollected   int64
    ErrorCount       int64
    Uptime          time.Duration
    LastCollected   time.Time
    Rate            float64
}

// ProfileAnalyzer interface for analyzing profile data
type ProfileAnalyzer interface {
    Analyze(ctx context.Context, data *ProfileData) (*AnalysisResult, error)
    Configure(config interface{}) error
    GetCapabilities() AnalyzerCapabilities
    GetMetrics() AnalyzerMetrics
}

// AnalysisResult represents analysis results
type AnalysisResult struct {
    ProfileID   string
    Timestamp   time.Time
    Analyzer    string
    Results     map[string]interface{}
    Insights    []Insight
    Anomalies   []Anomaly
    Trends      []Trend
    Patterns    []Pattern
    Score       float64
    Confidence  float64
    Metadata    map[string]interface{}
}

// Insight represents analysis insights
type Insight struct {
    Type        InsightType
    Description string
    Impact      float64
    Confidence  float64
    Evidence    []Evidence
    Suggestions []Suggestion
}

// InsightType defines insight types
type InsightType int

const (
    PerformanceInsight InsightType = iota
    SecurityInsight
    ResourceInsight
    BusinessInsight
    QualityInsight
    OperationalInsight
)

// Evidence represents supporting evidence
type Evidence struct {
    Type        EvidenceType
    Description string
    Data        interface{}
    Confidence  float64
    Source      string
}

// EvidenceType defines evidence types
type EvidenceType int

const (
    MetricEvidence EvidenceType = iota
    PatternEvidence
    AnomalyEvidence
    TrendEvidence
    ComparisonEvidence
    HistoricalEvidence
)

// Suggestion represents improvement suggestions
type Suggestion struct {
    Type        SuggestionType
    Description string
    Impact      float64
    Effort      float64
    Priority    int
    Actions     []string
}

// SuggestionType defines suggestion types
type SuggestionType int

const (
    OptimizationSuggestion SuggestionType = iota
    SecuritySuggestion
    ScalabilitySuggestion
    ReliabilitySuggestion
    ConfigurationSuggestion
    ArchitectureSuggestion
)

// Anomaly represents detected anomalies
type Anomaly struct {
    Type        AnomalyType
    Description string
    Severity    AnomallySeverity
    Confidence  float64
    Timestamp   time.Time
    Context     map[string]interface{}
    Impact      AnomalyImpact
}

// AnomalyType defines anomaly types
type AnomalyType int

const (
    PerformanceAnomaly AnomalyType = iota
    SecurityAnomaly
    ResourceAnomaly
    BehaviorAnomaly
    DataAnomaly
    SystemAnomaly
)

// AnomallySeverity defines anomaly severity levels
type AnomallySeverity int

const (
    LowAnomalySeverity AnomallySeverity = iota
    MediumAnomalySeverity
    HighAnomalySeverity
    CriticalAnomalySeverity
)

// AnomalyImpact represents anomaly impact
type AnomalyImpact struct {
    Performance float64
    Security    float64
    Availability float64
    Cost        float64
    User        float64
    Business    float64
}

// Trend represents detected trends
type Trend struct {
    Type        TrendType
    Direction   TrendDirection
    Slope       float64
    Strength    float64
    Confidence  float64
    Period      time.Duration
    Forecast    []TrendPoint
}

// TrendType defines trend types
type TrendType int

const (
    PerformanceTrend TrendType = iota
    ResourceTrend
    UsageTrend
    ErrorTrend
    CapacityTrend
    CostTrend
)

// TrendDirection defines trend directions
type TrendDirection int

const (
    UpwardTrend TrendDirection = iota
    DownwardTrend
    StableTrend
    VolatileTrend
    CyclicalTrend
)

// TrendPoint represents trend forecast points
type TrendPoint struct {
    Timestamp  time.Time
    Value      float64
    Confidence float64
    Lower      float64
    Upper      float64
}

// Pattern represents detected patterns
type Pattern struct {
    Type        PatternType
    Description string
    Frequency   time.Duration
    Strength    float64
    Confidence  float64
    Examples    []PatternExample
}

// PatternType defines pattern types
type PatternType int

const (
    SeasonalPattern PatternType = iota
    CyclicalPattern
    BehaviorPattern
    CorrelationPattern
    SequencePattern
    AnomalyPattern
)

// PatternExample represents pattern examples
type PatternExample struct {
    Timestamp time.Time
    Value     interface{}
    Context   map[string]interface{}
    Match     float64
}

// AnalyzerCapabilities represents analyzer capabilities
type AnalyzerCapabilities struct {
    SupportedTypes []string
    Features       []string
    Limitations    []string
    Requirements   []string
}

// AnalyzerMetrics contains analyzer metrics
type AnalyzerMetrics struct {
    AnalysesPerformed int64
    AverageLatency    time.Duration
    AccuracyScore     float64
    ErrorRate         float64
    ResourceUsage     ResourceUsage
}

// ResourceUsage represents resource usage
type ResourceUsage struct {
    CPU    float64
    Memory int64
    Disk   int64
    Network float64
}

// Component implementations
type ProfileStorage interface{}
type ProfileScheduler struct{}
type ProfileProcessor struct{}
type ProfileVisualizer struct{}
type ProfileNotifier struct{}
type ProfileMetrics struct{}

// NewProfileManager creates a new profile manager
func NewProfileManager(config ProfileManagerConfig) *ProfileManager {
    return &ProfileManager{
        profiles:   make(map[string]*CustomProfile),
        collectors: make(map[string]ProfileCollector),
        analyzers:  make(map[string]ProfileAnalyzer),
        config:     config,
        scheduler:  &ProfileScheduler{},
        processor:  &ProfileProcessor{},
        visualizer: &ProfileVisualizer{},
        notifier:   &ProfileNotifier{},
        metrics:    &ProfileMetrics{},
    }
}

// CreateProfile creates a new custom profile
func (pm *ProfileManager) CreateProfile(profile *CustomProfile) error {
    pm.mu.Lock()
    defer pm.mu.Unlock()

    if profile.ID == "" {
        return fmt.Errorf("profile ID is required")
    }

    if _, exists := pm.profiles[profile.ID]; exists {
        return fmt.Errorf("profile %s already exists", profile.ID)
    }

    // Validate profile configuration
    if err := pm.validateProfile(profile); err != nil {
        return fmt.Errorf("profile validation failed: %w", err)
    }

    profile.CreatedAt = time.Now()
    profile.Status = DraftProfile
    pm.profiles[profile.ID] = profile

    return nil
}

// StartProfile starts profile collection
func (pm *ProfileManager) StartProfile(ctx context.Context, profileID string) error {
    pm.mu.Lock()
    defer pm.mu.Unlock()

    profile, exists := pm.profiles[profileID]
    if !exists {
        return fmt.Errorf("profile %s not found", profileID)
    }

    if profile.Status == ActiveProfile {
        return fmt.Errorf("profile %s is already active", profileID)
    }

    // Start collectors
    for _, collectorID := range profile.Collectors {
        collector, exists := pm.collectors[collectorID]
        if !exists {
            continue
        }

        if err := collector.Start(ctx); err != nil {
            return fmt.Errorf("failed to start collector %s: %w", collectorID, err)
        }
    }

    profile.Status = ActiveProfile
    profile.UpdatedAt = time.Now()

    return nil
}

// CollectData collects data for a profile
func (pm *ProfileManager) CollectData(ctx context.Context, profileID string) (*ProfileData, error) {
    pm.mu.RLock()
    profile, exists := pm.profiles[profileID]
    pm.mu.RUnlock()

    if !exists {
        return nil, fmt.Errorf("profile %s not found", profileID)
    }

    if len(profile.Collectors) == 0 {
        return nil, fmt.Errorf("no collectors configured for profile %s", profileID)
    }

    // Use first collector for simplicity
    collectorID := profile.Collectors[0]
    collector, exists := pm.collectors[collectorID]
    if !exists {
        return nil, fmt.Errorf("collector %s not found", collectorID)
    }

    data, err := collector.Collect(ctx, profile)
    if err != nil {
        return nil, fmt.Errorf("data collection failed: %w", err)
    }

    return data, nil
}

// AnalyzeData analyzes collected profile data
func (pm *ProfileManager) AnalyzeData(ctx context.Context, data *ProfileData) (*AnalysisResult, error) {
    pm.mu.RLock()
    profile, exists := pm.profiles[data.ProfileID]
    pm.mu.RUnlock()

    if !exists {
        return nil, fmt.Errorf("profile %s not found", data.ProfileID)
    }

    if len(profile.Analyzers) == 0 {
        return nil, fmt.Errorf("no analyzers configured for profile %s", data.ProfileID)
    }

    // Use first analyzer for simplicity
    analyzerID := profile.Analyzers[0]
    analyzer, exists := pm.analyzers[analyzerID]
    if !exists {
        return nil, fmt.Errorf("analyzer %s not found", analyzerID)
    }

    result, err := analyzer.Analyze(ctx, data)
    if err != nil {
        return nil, fmt.Errorf("data analysis failed: %w", err)
    }

    return result, nil
}

func (pm *ProfileManager) validateProfile(profile *CustomProfile) error {
    if profile.Name == "" {
        return fmt.Errorf("profile name is required")
    }

    if len(profile.Collectors) == 0 {
        return fmt.Errorf("at least one collector is required")
    }

    return nil
}

// Example custom collectors and analyzers
type MetricsCollector struct {
    config MetricsCollectorConfig
    status CollectorStatus
}

type MetricsCollectorConfig struct {
    Endpoints []string
    Interval  time.Duration
    Timeout   time.Duration
}

func (mc *MetricsCollector) Collect(ctx context.Context, profile *CustomProfile) (*ProfileData, error) {
    data := &ProfileData{
        ProfileID: profile.ID,
        Timestamp: time.Now(),
        Source:    "metrics",
        Type:      "performance",
        Data:      make(map[string]interface{}),
    }

    // Simulate metric collection
    data.Data["cpu_usage"] = 45.5
    data.Data["memory_usage"] = 78.2
    data.Data["response_time"] = 125.0

    return data, nil
}

func (mc *MetricsCollector) Start(ctx context.Context) error {
    mc.status = RunningCollector
    return nil
}

func (mc *MetricsCollector) Stop() error {
    mc.status = StoppedCollector
    return nil
}

func (mc *MetricsCollector) GetStatus() CollectorStatus {
    return mc.status
}

func (mc *MetricsCollector) GetMetrics() CollectorMetrics {
    return CollectorMetrics{}
}

func (mc *MetricsCollector) Configure(config interface{}) error {
    return nil
}

func (mc *MetricsCollector) Validate() error {
    return nil
}

type PerformanceAnalyzer struct {
    config PerformanceAnalyzerConfig
}

type PerformanceAnalyzerConfig struct {
    Thresholds map[string]float64
}

func (pa *PerformanceAnalyzer) Analyze(ctx context.Context, data *ProfileData) (*AnalysisResult, error) {
    result := &AnalysisResult{
        ProfileID: data.ProfileID,
        Timestamp: time.Now(),
        Analyzer:  "performance",
        Results:   make(map[string]interface{}),
        Insights:  []Insight{},
        Anomalies: []Anomaly{},
        Trends:    []Trend{},
        Patterns:  []Pattern{},
    }

    // Analyze CPU usage
    if cpuUsage, ok := data.Data["cpu_usage"].(float64); ok {
        result.Results["cpu_analysis"] = map[string]interface{}{
            "value":  cpuUsage,
            "status": "normal",
            "score":  0.8,
        }

        if cpuUsage > 90 {
            result.Anomalies = append(result.Anomalies, Anomaly{
                Type:        PerformanceAnomaly,
                Description: "High CPU usage detected",
                Severity:    HighAnomalySeverity,
                Confidence:  0.9,
                Timestamp:   time.Now(),
            })
        }
    }

    result.Score = 0.85
    result.Confidence = 0.9

    return result, nil
}

func (pa *PerformanceAnalyzer) Configure(config interface{}) error {
    return nil
}

func (pa *PerformanceAnalyzer) GetCapabilities() AnalyzerCapabilities {
    return AnalyzerCapabilities{
        SupportedTypes: []string{"performance", "metrics"},
        Features:       []string{"anomaly_detection", "trend_analysis"},
    }
}

func (pa *PerformanceAnalyzer) GetMetrics() AnalyzerMetrics {
    return AnalyzerMetrics{}
}

// Example usage
func ExampleCustomProfiles() {
    config := ProfileManagerConfig{
        MaxProfiles:        100,
        RetentionPeriod:    time.Hour * 24 * 30,
        CollectionInterval: time.Minute,
        AnalysisInterval:   time.Minute * 5,
        CompressionEnabled: true,
        EncryptionEnabled:  true,
        AlertingEnabled:    true,
    }

    manager := NewProfileManager(config)

    // Register collectors and analyzers
    manager.collectors["metrics"] = &MetricsCollector{}
    manager.analyzers["performance"] = &PerformanceAnalyzer{}

    // Create custom profile
    profile := &CustomProfile{
        ID:          "web-api-performance",
        Name:        "Web API Performance Profile",
        Description: "Performance monitoring for web API endpoints",
        Type:        PerformanceProfile,
        Category:    APICategory,
        Configuration: ProfileConfiguration{
            SamplingRate:        1.0,
            CollectionFrequency: time.Second * 30,
            BufferSize:          1000,
            BatchSize:           100,
        },
        Schema: ProfileSchema{
            Version: "1.0",
            Fields: []SchemaField{
                {
                    Name:     "response_time",
                    Type:     FloatField,
                    Required: true,
                },
                {
                    Name:     "throughput",
                    Type:     FloatField,
                    Required: true,
                },
                {
                    Name:     "error_rate",
                    Type:     FloatField,
                    Required: false,
                },
            },
        },
        Collectors: []string{"metrics"},
        Analyzers:  []string{"performance"},
    }

    // Create and start profile
    if err := manager.CreateProfile(profile); err != nil {
        fmt.Printf("Failed to create profile: %v\n", err)
        return
    }

    ctx := context.Background()
    if err := manager.StartProfile(ctx, profile.ID); err != nil {
        fmt.Printf("Failed to start profile: %v\n", err)
        return
    }

    // Collect and analyze data
    data, err := manager.CollectData(ctx, profile.ID)
    if err != nil {
        fmt.Printf("Failed to collect data: %v\n", err)
        return
    }

    result, err := manager.AnalyzeData(ctx, data)
    if err != nil {
        fmt.Printf("Failed to analyze data: %v\n", err)
        return
    }

    fmt.Println("Custom Profile Analysis Results:")
    fmt.Printf("Profile: %s\n", result.ProfileID)
    fmt.Printf("Score: %.2f\n", result.Score)
    fmt.Printf("Confidence: %.2f\n", result.Confidence)
    fmt.Printf("Insights: %d\n", len(result.Insights))
    fmt.Printf("Anomalies: %d\n", len(result.Anomalies))
    fmt.Printf("Trends: %d\n", len(result.Trends))
    fmt.Printf("Patterns: %d\n", len(result.Patterns))

    if len(result.Anomalies) > 0 {
        fmt.Println("\nDetected Anomalies:")
        for _, anomaly := range result.Anomalies {
            fmt.Printf("  - %s: %s (confidence: %.2f)\n",
                anomaly.Type, anomaly.Description, anomaly.Confidence)
        }
    }
}
Profile Types

Comprehensive framework for different types of custom profiles.
Performance Profiles

Custom profiles for application performance monitoring.
Security Profiles

Specialized profiles for security monitoring and threat detection.
Resource Profiles

Profiles for system resource monitoring and optimization.
Business Profiles

Custom profiles for business metrics and KPI monitoring.
Best Practices

Schema Design: Design comprehensive schemas with proper validation
Data Quality: Implement robust data quality monitoring
Security: Apply appropriate security measures for sensitive data
Performance: Optimize collection and analysis for minimal overhead
Scalability: Design profiles for horizontal and vertical scaling
Automation: Automate profile lifecycle management
Documentation: Maintain comprehensive profile documentation
Monitoring: Monitor profile health and performance
Summary

Custom profiles enable specialized performance monitoring:
Flexible Framework: Configurable framework for custom profile types
Data Collection: Sophisticated data collection and aggregation
Analysis Engine: Advanced analysis with insights and anomaly detection
Quality Assurance: Comprehensive data quality monitoring
Security: Enterprise-grade security and compliance features
Automation: Automated lifecycle management and optimization
These capabilities enable organizations to build specialized monitoring solutions tailored to their unique requirements and performance characteristics.
Custom Profiles

Custom Profiles

Table of Contents

Introduction

Profile Management System

Profile Types

Performance Profiles

Security Profiles

Resource Profiles

Business Profiles

Best Practices

Summary

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