← modperf

Stack composer

Started from Zbreakout - Badlands - PvP - BaseBuilding: the 9 mods it publishes to the Steam server browser (as of 2026-10-20), put back into load order — servers publish the list last-loaded first. Mods loaded with -servermod= are never published, so they are not here; add them if you know them.

Your stack in load order, earliest first. Drag a row, or use the arrows, to reorder.

  1. 1 Zens Notes
  2. 2 CF
  3. 3 Zenarchist's Core Mod not analyzed
  4. 4 Workshop 3800931515 not analyzed
  5. 5 VPPAdminTools
  6. 6 Forward Operator Gear
  7. 7 Workshop 3817082645 not analyzed
  8. 8 Workshop 3817045659 not analyzed
  9. 9 Workshop 3819891012 not analyzed
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One Workshop id or URL per line, in load order. Up to 250 mods.

5 of 9 mods not analyzed yet — left out of the composition below. Open a mod's page to request its analysis.
Stall risks

File I/O on hot paths, timers created per event, and per-player-per-frame hooks across the stack. These can stall a frame regardless of the load figure. See all 4 below.

Mods silencing mods
None

Across 12 server-side methods hooked by two or more mods.

Structural load
0.24% of a frame at 100 players

2.395 ms per second, all 4 mods combined. Hook dispatch and timers only — not what the hooks do inside. Methodology.

Who silences whom#

A later-loaded mod overrides a method without super(), so the earlier mod's code on that method — and vanilla's — never runs. Whether that is a bug or the whole point of the mod is the author's call; this shows the structure, not intent.

✓ No server-side conflicts: every method two or more of these mods hook preserves super() end to end.

Hot hooks shared across the stack#

The engine calls the last-loaded mod first; each super() hands on to the mod before it, ending at vanilla. Badges show what each mod's override calls inside — that body work, not the chain itself, is what costs frame time.

DayZGame.OnUpdate
every server frame
VPPAdminTools then CF then vanilla
DayZGame.OnRPC
per event
VPPAdminTools sometimes stops here then CF sometimes stops here then vanilla

Stall risks#

4 places where one mod's code can hold up a frame by itself, whatever the load figure says. Each is a pattern found in the code, not a measurement: how much it costs depends on what the hook does inside. Most severe first, then in load order.

VPPAdminTools
PlayerBase.CommandHandler
about 30× per player per second
Per-player, per-frame hook warning
VPPAdminTools.pbo::4_World\VPPAdminTools\Entities\PlayerBase.c:401
VPPAdminTools
SurvivorBase.EOnFrame
about 30× per player per second
Per-player, per-frame hook warning
VPPAdminTools.pbo::4_World\VPPAdminTools\Entities\SurvivorBase.c:42
VPPAdminTools
SurvivorBase.EOnPostFrame
about 30× per player per second
Per-player, per-frame hook warning
VPPAdminTools.pbo::4_World\VPPAdminTools\Entities\SurvivorBase.c:61
Zens Notes
Paper.OnRPC
per event
Timer created inside a hot hook heuristic
ZenNotes.pbo::scripts\4_World\ZenNotes\Entities\ItemBase\Paper.c:18

Everything else#

All 12 server-side methods hooked by two or more mods

vanilla → earliest mod → … → latest mod (dispatch enters at the latest). struck = suppressed by a later chain break; ✂ = no super(); "(cond)" = super() only on some paths.

methodtierchain (load order)
ActionConstructor.RegisterActions — vanilla → Zens Notes → VPPAdminTools → Forward Operator Gear
MissionServer.OnMissionFinish T3 vanilla → Zens Notes → CF → VPPAdminTools
ModItemRegisterCallbacks.RegisterOneHanded — vanilla → Zens Notes → CF → Forward Operator Gear
DayZGame.DeferredInit — vanilla → CF → VPPAdminTools
DayZGame.OnRPC T2 vanilla → CF (cond) → VPPAdminTools (cond)
DayZGame.OnUpdate T0 vanilla → CF → VPPAdminTools
MissionBase.CreateScriptedMenu — vanilla → Zens Notes → VPPAdminTools
MissionServer.OnEvent — vanilla → CF → VPPAdminTools
MissionServer.OnInit T3 vanilla → CF → VPPAdminTools
MissionServer.OnMissionStart T3 vanilla → CF → VPPAdminTools
MissionServer.PlayerDisconnected T3 vanilla → CF → VPPAdminTools
ModItemRegisterCallbacks.RegisterTwoHanded — vanilla → CF → Forward Operator Gear
120 methods hooked by only one of these mods

No cross-mod interaction is possible here; a ✂ still means vanilla's behaviour on that method is replaced.

methodtiermod
ActionActivateTrap.OnFinishProgressServer — VPPAdminTools
ActionDeployObject.ActionCondition T2 Zens Notes
ActionDeployObject.SetupAnimation — Zens Notes (cond)
ActionPin.OnStartServer — VPPAdminTools
ActionUnpin.OnStartServer — VPPAdminTools
AdvancedCommunication.OnStoreLoad T3 CF
AdvancedCommunication.OnStoreSave T3 CF
AnimalBase.OnStoreLoad T3 CF
AnimalBase.OnStoreSave T3 CF
AreaExposureMdfr.Activate — VPPAdminTools (cond)
AreaExposureMdfr.OnActivate — VPPAdminTools (cond)
BoatScript.OnStoreLoad T3 CF
BoatScript.OnStoreSave T3 CF
BuildingBase.OnStoreLoad T3 CF
BuildingBase.OnStoreSave T3 CF
CarScript.OnStoreLoad T3 CF
CarScript.OnStoreSave T3 CF
ChernarusPlusData.WeatherOnBeforeChange — VPPAdminTools
ContaminatedTrigger.OnEnterServerEvent — VPPAdminTools (cond)
CreditsLoader.GetData — CF ✂
DayZGame.OnEvent — CF
DayZGame.OnInitialize — VPPAdminTools (cond)
DayZGame.OnKeyPress — VPPAdminTools
DayZGame.OnKeyRelease — VPPAdminTools
DayZPlayerImplement.CameraHandler — VPPAdminTools (cond)
DayZPlayerImplement.ModCommandHandlerBefore — VPPAdminTools
DayZPlayerImplement.ModCommandHandlerInside — VPPAdminTools
DayZPlayerImplement.OnStoreLoad T3 CF
DayZPlayerImplement.OnStoreSave T3 CF
DrowningMdfr.ActivateCondition — VPPAdminTools (cond)
DrowningMdfr.DeactivateCondition — VPPAdminTools (cond)
DrowningMdfr.OnTick — VPPAdminTools (cond)
EnochData.WeatherOnBeforeChange — VPPAdminTools
Grenade_Base.EEHitBy T2 VPPAdminTools
HelicopterScript.OnStoreLoad T3 CF
HelicopterScript.OnStoreSave T3 CF
Hologram.EvaluateCollision — Zens Notes (cond)
ItemBase.CanPutInCargo T2 Forward Operator Gear ✂
ItemBase.OnStoreLoad T3 CF
ItemBase.OnStoreSave T3 CF
KeybindingElement.Reload — CF
LandMineTrap.EEHitBy T2 VPPAdminTools
MissionBase.CF_IsLoaded — CF ✂
MissionServer.InvokeOnConnect T3 CF
MissionServer.InvokeOnDisconnect T3 CF
MissionServer.OnClientDisconnectedEvent T3 CF
MissionServer.OnClientNewEvent T3 CF
MissionServer.OnClientPrepareEvent — CF
MissionServer.OnClientReadyEvent T3 CF
MissionServer.OnClientReconnectEvent T3 CF
MissionServer.OnClientRespawnEvent T3 CF
MissionServer.OnMissionLoaded — CF
MissionServer.OnUpdate T0 CF
ModItemRegisterCallbacks.CustomBoneRemapping — CF
ModItemRegisterCallbacks.RegisterArcheryItem — CF
ModItemRegisterCallbacks.RegisterCustom — CF
ModItemRegisterCallbacks.RegisterEmptyHanded — CF
ModItemRegisterCallbacks.RegisterFireArms — CF
ModItemRegisterCallbacks.RegisterHeavy — CF
ModItemRegisterCallbacks.RegisterLauncher — CF
ModItemRegisterCallbacks.RegisterPistol — CF
ModItemRegisterCallbacks.RegisterRestrained — CF
ModItemRegisterCallbacks.RegisterSurrender — CF
ModLoader.GetMods — CF ✂
ModLoader.LoadMods — CF ✂
ModStructure.GetDebugName — CF
ModStructure.GetModActionURL — CF ✂
ModStructure.GetModLogo — CF ✂
ModStructure.GetModLogoOver — CF ✂
ModStructure.GetModLogoSmall — CF ✂
ModStructure.GetModName — CF ✂
ModStructure.GetModOverview — CF ✂
ModStructure.GetModToltip — CF ✂
MotorbikeScript.OnStoreLoad T3 CF
MotorbikeScript.OnStoreSave T3 CF
NotificationRuntimeData.GetIcon — CF ✂
NotificationRuntimeData.GetTitleText — CF ✂
NotificationUI.AddNotification — CF
NotificationUI.RemoveNotification — CF
NotificationUI.UpdateTargetHeight — CF
OptionsMenuGame.Apply — VPPAdminTools
OptionsMenuGame.IsChanged — VPPAdminTools (cond)
OptionsMenuGame.Revert — VPPAdminTools
OptionsMenuGame.SetOptions — VPPAdminTools
Paper.OnRPC T2 Zens Notes
Paper.SetActions T2 Zens Notes
Pen_ColorBase.SetActions T2 Zens Notes
PlayerBase.CanBeTargetedByAI — VPPAdminTools (cond)
PlayerBase.CanReceiveAttachment T2 Forward Operator Gear (cond)
PlayerBase.CommandHandler T1 VPPAdminTools
PlayerBase.EEItemAttached T2 Forward Operator Gear
PlayerBase.EEItemDetached T2 Forward Operator Gear
PlayerBase.EEKilled T3 VPPAdminTools
PlayerBase.Init — VPPAdminTools
PlayerBase.OnConnect — VPPAdminTools
PlayerBase.OnDrawOptics2D — VPPAdminTools (cond)
PlayerBase.OnRPC T2 VPPAdminTools
PlayerBase.OnSelectPlayer — CF
PlayerBase.OnStoreLoadLifespan — CF (cond)
PlayerBase.OnUnconsciousStart — Zens Notes
PlayerBase.OnVariablesSynchronized T2 VPPAdminTools
PlayerBase.SetActions T2 VPPAdminTools
PlayerBase.SwitchItemSelectionTexture — Forward Operator Gear
PlayerPreview.UpdateInterval — Forward Operator Gear
PluginAdminLog.PlayerHitBy — VPPAdminTools (cond)
PluginAdminLog.PlayerKilled — VPPAdminTools (cond)
PluginManager.Init — VPPAdminTools
PluginRecipesManagerBase.RegisterRecipies — Forward Operator Gear
SurvivorBase.CanJump — VPPAdminTools
SurvivorBase.EOnFrame T1 VPPAdminTools ✂
SurvivorBase.EOnPostFrame T1 VPPAdminTools
TransferValues.SendValue — VPPAdminTools
TrapBase.OnPlacementComplete — VPPAdminTools
VPPAdminHud.DefineButtons — VPPAdminTools
VPPContextActionManager.RegisterActions — VPPAdminTools
VPPContextActionManager.RegisterProviders — VPPAdminTools
Weapon_Base.EEFired — VPPAdminTools
ZenConfigRegister.RegisterPreload — Zens Notes
ZombieBase.OnStoreLoad T3 CF
ZombieBase.OnStoreSave T3 CF

17 methods on client-only classes are not shown: a dedicated server never runs them.

Reading this page.

A conflict shows that code is skipped, not that an author made a mistake — overhaul mods replace systems on purpose. Long chains are cheap: one link costs about 25 ns per dispatch. What costs frame time is the work inside each hook, which is why the badges are there. Everything here comes from the mods' code alone; nothing was measured on a server. Methodology.