package trace

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in-package search v0.2.0

package trace

trace
- Library trace
  - Trace
    
    Collector
    
    Meta_map
    
    Level
- Library trace.core
  - Trace_core
    
    Collector
    
    S
    
    Meta_map
    
    KEY_IMPL
    
    Key
    
    M
    
    Level
- Library trace.event
  - Trace_event
    
    Event
    
    Sub
    
    Subscriber
    
    Callbacks
- Library trace.subscriber
  - Trace_subscriber
    
    Callbacks
    
    S
    
    Dummy
    
    Subscriber
    
    Span_tbl
- Library trace_private_util
  - Trace_private_util
    
    Domain_util
    
    Rpool
- Sources
  - trace
    
    trace.ml
  - trace.core
    
    atomic_.ml
    
    collector.ml
    
    level.ml
    
    meta_map.ml
    
    trace_core.ml
    
    trace_core__.ml
    
    types.ml
  - trace.event
    
    event.ml
    
    subscriber.ml
    
    trace_event.ml
  - trace.subscriber
    
    callbacks.ml
    
    span_tbl.ml
    
    subscriber.ml
    
    trace_subscriber.ml
    
    trace_subscriber__.ml
    
    types.ml
  - trace_private_util
    
    domain_util.ml
    
    rpool.ml
    
    trace_private_util.ml

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Module `Subscriber.Callbacks`Source

Sourcetype st = event_consumer

Type of the state passed to every callback.

Sourceval on_init : st -> time_ns:int64 -> unit

Called when the subscriber is initialized in a collector

Sourceval on_shutdown : st -> time_ns:int64 -> unit

Called when the collector is shutdown

Sourceval on_name_thread : st -> time_ns:int64 -> tid:int -> name:string -> unit

Current thread is being named

Sourceval on_name_process : st -> time_ns:int64 -> tid:int -> name:string -> unit

Current process is being named

Source

val on_enter_span : 
  st ->
  __FUNCTION__:string option ->
  __FILE__:string ->
  __LINE__:int ->
  time_ns:int64 ->
  tid:int ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  name:string ->
  Trace_core.span ->
  unit

Enter a regular (sync) span

Sourceval on_exit_span : st -> time_ns:int64 -> tid:int -> Trace_core.span -> unit

Exit a span. This and on_enter_span must follow strict stack discipline

Source

val on_add_data : 
  st ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  Trace_core.span ->
  unit

Add data to a regular span (which must be active)

Source

val on_message : 
  st ->
  time_ns:int64 ->
  tid:int ->
  span:Trace_core.span option ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  string ->
  unit

Emit a log message

Source

val on_counter : 
  st ->
  time_ns:int64 ->
  tid:int ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  name:string ->
  float ->
  unit

Emit the current value of a counter

Source

val on_enter_manual_span : 
  st ->
  __FUNCTION__:string option ->
  __FILE__:string ->
  __LINE__:int ->
  time_ns:int64 ->
  tid:int ->
  parent:Trace_core.span option ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  name:string ->
  flavor:Trace_subscriber__.Types.flavor option ->
  trace_id:Trace_core.trace_id ->
  Trace_core.span ->
  unit

Enter a manual (possibly async) span

Source

val on_exit_manual_span : 
  st ->
  time_ns:int64 ->
  tid:int ->
  name:string ->
  data:(string * Trace_subscriber__.Types.user_data) list ->
  flavor:Trace_subscriber__.Types.flavor option ->
  trace_id:Trace_core.trace_id ->
  Trace_core.span ->
  unit

Exit a manual span

Source

val on_extension_event : 
  st ->
  time_ns:int64 ->
  tid:int ->
  Trace_core.extension_event ->
  unit

Extension event

since 0.8

package trace

Module Subscriber.CallbacksSource

Module `Subscriber.Callbacks`Source