← modperf

Stack composer

Started from STALKER PVE | Second Wind Project | discord.gg/4j8MkwUukk: the 17 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 CF
  2. 2 Second Wind Project | STALKER PVE not analyzed
  3. 3 NH not analyzed
  4. 4 Dabs Framework
  5. 5 DayZ Editor Loader
  6. 6 STALKER NewHorizon Objects (Legacy)
  7. 7 STALKER NewHorizon ChernobylZone
  8. 8 VPPAdminTools
  9. 9 XSLR_ItemsPack not analyzed
  10. 10 Code Lock
  11. 11 BuilderItems
  12. 12 FC_Fish_Equip
  13. 13 MuchCarKey
  14. 14 SkyZ - Skybox Overhaul
  15. 15 STALKER Equipment
  16. 16 Survivor Animations
  17. 17 XZone STALKER Mutants
Edit as text

One Workshop id or URL per line, in load order. Up to 250 mods.

3 of 17 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 25 server-side methods hooked by two or more mods. 1 more on client-only UI classes, listed separately.

Structural load
0.27% of a frame at 100 players

2.681 ms per second, all 14 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.

1 conflict on client-only classes (menus, HUD, notifications) — no server effect
  • NotificationSystem.GetNotificationData — Dabs Framework silences CF

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.

PlayerBase.CommandHandler
about 30× per player per second
Survivor Animations then VPPAdminTools RPC send then vanilla
DayZGame.OnUpdate
every server frame
VPPAdminTools then CF then vanilla
MissionServer.OnUpdate
every server frame
Survivor Animations then CF then vanilla
DayZGame.OnRPC
per event
VPPAdminTools sometimes stops here then Dabs Framework then CF sometimes stops here then vanilla
PlayerBase.SetActions
per event
Survivor Animations then MuchCarKey then VPPAdminTools 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
Survivor Animations
PlayerBase.CommandHandler
about 30× per player per second
Per-player, per-frame hook warning
SurvivorAnims.pbo::Scripts\4_World\PlayerBase.c:115

Everything else#

All 25 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 → Dabs Framework → STALKER NewHorizon Objects (Legacy) → VPPAdminTools → Code Lock → MuchCarKey → STALKER Equipment → Survivor Animations
MissionServer.OnMissionStart T3 vanilla → CF → Dabs Framework → DayZ Editor Loader → VPPAdminTools
PluginManager.Init — vanilla → Dabs Framework → VPPAdminTools → Code Lock → MuchCarKey
DayZGame.OnRPC T2 vanilla → CF (cond) → Dabs Framework → VPPAdminTools (cond)
MissionServer.InvokeOnConnect T3 vanilla → CF → Dabs Framework → Code Lock
MissionServer.OnInit T3 vanilla → CF → VPPAdminTools → MuchCarKey
MissionServer.PlayerDisconnected T3 vanilla → CF → Dabs Framework → VPPAdminTools
PlayerBase.SetActions T2 vanilla → VPPAdminTools → MuchCarKey → Survivor Animations
BoatScript.OnStoreLoad T3 vanilla → CF → MuchCarKey
BoatScript.OnStoreSave T3 vanilla → CF → MuchCarKey
CarScript.OnStoreLoad T3 vanilla → CF → MuchCarKey
CarScript.OnStoreSave T3 vanilla → CF → MuchCarKey
DayZGame.DeferredInit — vanilla → CF → VPPAdminTools
DayZGame.OnEvent — vanilla → CF → Dabs Framework
DayZGame.OnUpdate T0 vanilla → CF → VPPAdminTools
EmoteConstructor.RegisterEmotes — vanilla → Dabs Framework → Survivor Animations
GesturesMenu.GetGestureItems — vanilla → Dabs Framework → Survivor Animations
GesturesMenu.OnMenuRelease — vanilla → Dabs Framework → Survivor Animations
MissionServer.OnClientDisconnectedEvent T3 vanilla → CF → Dabs Framework
MissionServer.OnEvent — vanilla → CF → VPPAdminTools
MissionServer.OnMissionFinish T3 vanilla → CF → VPPAdminTools
MissionServer.OnUpdate T0 vanilla → CF → Survivor Animations
ModItemRegisterCallbacks.RegisterOneHanded — vanilla → CF → MuchCarKey
PlayerBase.CommandHandler T1 vanilla → VPPAdminTools → Survivor Animations
PlayerBase.Init — vanilla → VPPAdminTools → Survivor Animations
179 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
ActionCloseFence.ActionCondition T2 Code Lock
ActionDetach.ActionCondition T2 MuchCarKey (cond)
ActionDetach.OnExecuteServer — MuchCarKey
ActionDetachFromTarget.ActionCondition T2 MuchCarKey (cond)
ActionDismantlePart.DismantleCondition — Code Lock (cond)
ActionGetInTransport.ActionCondition T2 MuchCarKey (cond)
ActionGetInTransport.OnEndServer — MuchCarKey
ActionGetOutTransport.OnEndServer — MuchCarKey
ActionOpenCarDoors.ActionCondition T2 MuchCarKey (cond)
ActionOpenCarDoorsOutside.ActionCondition T2 MuchCarKey (cond)
ActionPackTent.ActionCondition T2 Code Lock
ActionPackTent.OnExecuteServer — Code Lock (cond)
ActionPin.OnStartServer — VPPAdminTools
ActionPushObject.ActionCondition T2 MuchCarKey (cond)
ActionPushObject.OnEndServer — MuchCarKey
ActionStartEngine.ActionCondition T2 MuchCarKey
ActionStartEngine.OnEndServer — MuchCarKey
ActionStopEngine.OnEndServer — MuchCarKey
ActionSwitchSeats.Start — MuchCarKey
ActionToggleTentOpen.ActionCondition T2 Code Lock
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.AfterStoreLoad T3 MuchCarKey
BoatScript.CanDisplayAttachmentCategory — MuchCarKey
BoatScript.CanDisplayAttachmentSlot T2 MuchCarKey
BoatScript.DeferredInit — MuchCarKey
BoatScript.EEDelete T3 MuchCarKey
BoatScript.EEKilled T3 MuchCarKey
BoatScript.EEOnCECreate — MuchCarKey
BoatScript.IsInventoryVisible T2 MuchCarKey
BoatScript.NameOverride — MuchCarKey (cond)
BoatScript.OnCEUpdate — MuchCarKey
BoatScript.OnEngineStart — MuchCarKey
BoatScript.OnVariablesSynchronized T2 MuchCarKey
BuildingBase.OnStoreLoad T3 CF
BuildingBase.OnStoreSave T3 CF
CarScript.AfterStoreLoad T3 MuchCarKey
CarScript.CanDisplayAttachmentCategory — MuchCarKey
CarScript.CanDisplayAttachmentSlot T2 MuchCarKey
CarScript.DeferredInit — MuchCarKey
CarScript.EEDelete T3 MuchCarKey
CarScript.EEKilled T3 MuchCarKey
CarScript.EEOnCECreate — MuchCarKey
CarScript.IsInventoryVisible T2 MuchCarKey
CarScript.NameOverride — MuchCarKey (cond)
CarScript.OnCEUpdate — MuchCarKey
CarScript.OnEngineStart — MuchCarKey
CarScript.OnVariablesSynchronized T2 MuchCarKey
ChernarusPlusData.WeatherOnBeforeChange — VPPAdminTools
ContaminatedTrigger.OnEnterServerEvent — VPPAdminTools (cond)
CreditsLoader.GetData — CF ✂
DayZGame.OnInitialize — VPPAdminTools (cond)
DayZGame.OnKeyPress — VPPAdminTools
DayZGame.OnKeyRelease — VPPAdminTools
DayZGame.RegisterProfilesOptions — Dabs Framework
DayZGame.SetMissionPath — Dabs Framework
DayZPlayerImplement.CameraHandler — VPPAdminTools (cond)
DayZPlayerImplement.ModCommandHandlerBefore — VPPAdminTools
DayZPlayerImplement.ModCommandHandlerInside — VPPAdminTools
DayZPlayerImplement.OnStoreLoad T3 CF
DayZPlayerImplement.OnStoreSave T3 CF
Debug.DestroyAllShapes — Dabs Framework ✂
Debug.DrawArrow — Dabs Framework ✂
Debug.DrawBox — Dabs Framework ✂
Debug.DrawBoxEx — Dabs Framework ✂
Debug.DrawCone — Dabs Framework ✂
Debug.DrawCube — Dabs Framework ✂
Debug.DrawCylinder — Dabs Framework ✂
Debug.DrawLine — Dabs Framework ✂
Debug.DrawLines — Dabs Framework ✂
Debug.DrawSphere — Dabs Framework ✂
DrowningMdfr.ActivateCondition — VPPAdminTools (cond)
DrowningMdfr.DeactivateCondition — VPPAdminTools (cond)
DrowningMdfr.OnTick — VPPAdminTools (cond)
EmoteCB.OnAnimationEvent — Survivor Animations (cond)
EmoteDabbing.EmoteCondition — Dabs Framework (cond)
EmoteManager.CreateEmoteCallback — Survivor Animations
EmoteManager.PlayEmote — Survivor Animations (cond)
EnochData.WeatherOnBeforeChange — VPPAdminTools
Fence.CanOpenFence — Code Lock (cond)
Fence.CanReceiveAttachment T2 Code Lock (cond)
Fence.OnPartDestroyedServer — Code Lock
Fence.OnPartDismantledServer — Code Lock
Fence.SetActions T2 Code Lock
Grenade_Base.EEHitBy T2 VPPAdminTools
Hacksaw.SetActions T2 Code Lock
HelicopterScript.OnStoreLoad T3 CF
HelicopterScript.OnStoreSave T3 CF
ItemBase.CombineItemsClient — Code Lock (cond)
ItemBase.GetItemSize — Dabs Framework ✂
ItemBase.OnRightClick — Code Lock (cond)
ItemBase.OnStoreLoad T3 CF
ItemBase.OnStoreSave T3 CF
KeybindingElement.Reload — CF
LandMineTrap.EEHitBy T2 VPPAdminTools
Magnum_Base.InitStateMachine — Survivor Animations ✂
Magnum_Base.SetActions T2 Survivor Animations
MissionBase.CF_IsLoaded — CF ✂
MissionBase.CreateScriptedMenu — VPPAdminTools
MissionBase.OnInit T3 Dabs Framework
MissionServer.AfterHiveInit — DayZ Editor Loader
MissionServer.InvokeOnDisconnect T3 CF
MissionServer.OnClientNewEvent T3 CF
MissionServer.OnClientPrepareEvent — CF
MissionServer.OnClientReadyEvent T3 CF
MissionServer.OnClientReconnectEvent T3 CF
MissionServer.OnClientRespawnEvent T3 CF
MissionServer.OnMissionLoaded — 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
ModItemRegisterCallbacks.RegisterTwoHanded — 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
PlayerBase.CanBeTargetedByAI — VPPAdminTools (cond)
PlayerBase.EEKilled T3 VPPAdminTools
PlayerBase.GetActions — Dabs Framework ✂
PlayerBase.ModCommandHandlerAfter — Survivor Animations
PlayerBase.OnConnect — VPPAdminTools
PlayerBase.OnDrawOptics2D — VPPAdminTools (cond)
PlayerBase.OnParticleEvent — Survivor Animations
PlayerBase.OnRPC T2 VPPAdminTools
PlayerBase.OnSelectPlayer — CF
PlayerBase.OnStoreLoadLifespan — CF (cond)
PlayerBase.OnVariablesSynchronized T2 VPPAdminTools
PluginAdminLog.PlayerHitBy — VPPAdminTools (cond)
PluginAdminLog.PlayerKilled — VPPAdminTools (cond)
PluginDiagMenu.OnRPC T2 Dabs Framework
PluginDiagMenuClient.RegisterModdedDiags — Dabs Framework
SurvivorBase.CanJump — VPPAdminTools
SurvivorBase.EOnFrame T1 VPPAdminTools ✂
SurvivorBase.EOnPostFrame T1 VPPAdminTools
TentBase.CanDisplayAttachmentCategory — Code Lock (cond)
TentBase.CanReceiveAttachment T2 Code Lock (cond)
TentBase.CanReceiveItemIntoCargo T2 Code Lock (cond)
TentBase.CanReleaseCargo — Code Lock (cond)
TentBase.SetActions T2 Code Lock
TransferValues.SendValue — VPPAdminTools
TrapBase.OnPlacementComplete — VPPAdminTools
VPPAdminHud.DefineButtons — VPPAdminTools
VPPContextActionManager.RegisterActions — VPPAdminTools
VPPContextActionManager.RegisterProviders — VPPAdminTools
Weapon_Base.EEFired — VPPAdminTools
Wrench.SetActions T2 MuchCarKey
ZombieBase.CanBeSkinned — XZone STALKER Mutants ✂
ZombieBase.OnStoreLoad T3 CF
ZombieBase.OnStoreSave T3 CF

27 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.