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Add basic runtime tracing (#2996)

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This allows us in almost all places to use regions to further trace down
long running tasks.
Also removes an unused function.
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Till 2023-03-13 16:45:14 +01:00 • committed by GitHub
parent 689b5ee72f
commit 232aef016c
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10 changed files with 190 additions and 155 deletions
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17
roomserver/internal/input/input_events.go
View file

@ -28,7 +28,6 @@ import (
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/opentracing/opentracing-go"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
@ -85,10 +84,10 @@ func (r *Inputer) processRoomEvent(
default:
}
span, ctx := opentracing.StartSpanFromContext(ctx, "processRoomEvent")
span.SetTag("room_id", input.Event.RoomID())
span.SetTag("event_id", input.Event.EventID())
defer span.Finish()
trace, ctx := internal.StartRegion(ctx, "processRoomEvent")
trace.SetTag("room_id", input.Event.RoomID())
trace.SetTag("event_id", input.Event.EventID())
defer trace.EndRegion()
// Measure how long it takes to process this event.
started := time.Now()
@ -608,8 +607,8 @@ func (r *Inputer) fetchAuthEvents(
known map[string]*types.Event,
servers []gomatrixserverlib.ServerName,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "fetchAuthEvents")
defer span.Finish()
trace, ctx := internal.StartRegion(ctx, "fetchAuthEvents")
defer trace.EndRegion()
unknown := map[string]struct{}{}
authEventIDs := event.AuthEventIDs()
@ -753,8 +752,8 @@ func (r *Inputer) calculateAndSetState(
event *gomatrixserverlib.Event,
isRejected bool,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "calculateAndSetState")
defer span.Finish()
trace, ctx := internal.StartRegion(ctx, "calculateAndSetState")
defer trace.EndRegion()
var succeeded bool
updater, err := r.DB.GetRoomUpdater(ctx, roomInfo)