ServerboundDiagnostics

serverbound-diagnostics.bin

struct ServerboundDiagnostics {
  float32 (LE)                                 AvgFps;
  float32 (LE)                                 AvgServerSimTickTimeMs;
  float32 (LE)                                 AvgClientSimTickTimeMs;
  float32 (LE)                                 AvgBeginFrameTimeMs;
  float32 (LE)                                 AvgInputTimeMs;
  float32 (LE)                                 AvgRenderTimeMs;
  float32 (LE)                                 AvgEndFrameTimeMs;
  float32 (LE)                                 AvgRemainderTimePercent;
  float32 (LE)                                 AvgUnaccountedTimePercent;
  varuint32 [] · MemoryCategoryCounter[]       CategoryCounters;
  varuint32 [] · EntityDiagnosticTimingInfo[]  EntityTimings;
  varuint32 [] · SystemDiagnosticTimingInfo[]  SystemTimings;
  optional byte + list[SystemCategory]         SystemCategories;
  varuint32 [] · ScopeDataSummary[]            WhiskerData;
}

Structure

Field	Type	Description
Avg Fps	float32 (LE)
Avg Server Sim Tick Time Ms	float32 (LE)
Avg Client Sim Tick Time Ms	float32 (LE)
Avg Begin Frame Time Ms	float32 (LE)
Avg Input Time Ms	float32 (LE)
Avg Render Time Ms	float32 (LE)
Avg End Frame Time Ms	float32 (LE)
Avg Remainder Time Percent	float32 (LE)
Avg Unaccounted Time Percent	float32 (LE)
Category Counters	varuint32 count + MemoryCategoryCounter[]	Length-prefixed sequence.
Entity Timings	varuint32 count + EntityDiagnosticTimingInfo[]	Length-prefixed sequence.
System Timings	varuint32 count + SystemDiagnosticTimingInfo[]	Length-prefixed sequence.
System Categories	optional byte + list[SystemCategory]	Presence flag on the wire; value omitted when absent.
Whisker Data	varuint32 count + ScopeDataSummary[]	Length-prefixed sequence.

Structure of MemoryCategoryCounter

Field	Type	Description
Category	MemoryCategory
Current Bytes	uint64 (LE)

Structure of EntityDiagnosticTimingInfo

Field	Type	Description
Display Name	string
Entity	string
Time In Ns	uint64 (LE)
Percent Of Total	uint8
Position	optional byte + Vec3	Presence flag on the wire; value omitted when absent.
Dimension	optional byte + string	Presence flag on the wire; value omitted when absent.

Structure of SystemDiagnosticTimingInfo

Field	Type	Description
Display Name	string
System Index	uint64 (LE)
Time In Ns	uint64 (LE)
Percent Of Total	uint8

Structure of SystemCategory

Field	Type	Description
Category Name	string
System Index	uint64 (LE)

Structure of ScopeDataSummary

Field	Type	Description
Label	string
Indentation	string
Total High Cost Ns	uint64 (LE)
Total Mid Cost Ns	uint64 (LE)
Total Low Cost Ns	uint64 (LE)

Structure of Vec3

Field	Type	Description
X	float32 (LE)
Y	float32 (LE)
Z	float32 (LE)

Notes

No special notes.