← modperf

Stack composer

Started from STALKERZ - Hardcore Roleplay Survival - Discord.gg/StalkerZ: the 26 mods it publishes to the Steam server browser (as of 2026-10-19), 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 STALKER: DayZone | Map not analyzed
  3. 3 STALKER: DayZone | Map STALKERZ Addon not analyzed
  4. 4 Dabs Framework
  5. 5 VPPAdminTools
  6. 6 Area of Decay Apocalypse
  7. 7 Vehicle3PP
  8. 8 Code Lock
  9. 9 Quadlock's Pack
  10. 10 STALKER Custom Objects not analyzed
  11. 11 Mag Obfuscation
  12. 12 FS
  13. 13 StalkerZ Dayzone not analyzed
  14. 14 StalkerZ Weapons not analyzed
  15. 15 sGunplay not analyzed
  16. 16 sFramework not analyzed
  17. 17 Skadovsk Builderitems not analyzed
  18. 18 GSC Gameworld Assets OLD
  19. 19 Chernobyl Zone Building not analyzed
  20. 20 SuppressionMod - V2 not analyzed
  21. 21 Aerial-Flares not analyzed
  22. 22 StalkerZ View Inventory Animation not analyzed
  23. 23 Inventory Move Sounds
  24. 24 StalkerZ Mutants not analyzed
  25. 25 StalkerZ Vehicles not analyzed
  26. 26 VanillaRoadPartsPack
Edit as text

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

14 of 26 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 3 below.

Mods silencing mods
None

Across 18 server-side methods hooked by two or more mods. 1 more on client-only UI classes, listed separately.

Structural load
0.26% of a frame at 100 players

2.582 ms per second, all 12 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.

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

Stall risks#

3 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

Everything else#

All 18 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 → VPPAdminTools → Code Lock → Quadlock's Pack
DayZGame.DeferredInit — vanilla → CF → VPPAdminTools → Vehicle3PP
DayZGame.OnRPC T2 vanilla → CF (cond) → Dabs Framework → VPPAdminTools (cond)
MissionServer.InvokeOnConnect T3 vanilla → CF → Dabs Framework → Code Lock
MissionServer.OnMissionStart T3 vanilla → CF → Dabs Framework → VPPAdminTools
MissionServer.PlayerDisconnected T3 vanilla → CF → Dabs Framework → VPPAdminTools
PluginManager.Init — vanilla → Dabs Framework → VPPAdminTools → Code Lock
DayZGame.OnEvent — vanilla → CF → Dabs Framework
DayZGame.OnUpdate T0 vanilla → CF → VPPAdminTools
DayZPlayerImplement.CameraHandler — vanilla → VPPAdminTools (cond) → Vehicle3PP (cond)
MissionServer.OnClientDisconnectedEvent T3 vanilla → CF → Dabs Framework
MissionServer.OnEvent — vanilla → CF → VPPAdminTools
MissionServer.OnInit T3 vanilla → CF → VPPAdminTools
MissionServer.OnMissionFinish T3 vanilla → CF → VPPAdminTools
ModItemRegisterCallbacks.RegisterFireArms — vanilla → CF → Quadlock's Pack
ModItemRegisterCallbacks.RegisterOneHanded — vanilla → CF → Quadlock's Pack
ModItemRegisterCallbacks.RegisterTwoHanded — vanilla → CF → Quadlock's Pack
PlayerBase.Init — vanilla → VPPAdminTools → FS
146 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
ActionDismantlePart.DismantleCondition — Code Lock (cond)
ActionPackTent.ActionCondition T2 Code Lock
ActionPackTent.OnExecuteServer — Code Lock (cond)
ActionPin.OnStartServer — VPPAdminTools
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.EEInit T3 Vehicle3PP
BoatScript.OnStoreLoad T3 CF
BoatScript.OnStoreSave T3 CF
BuildingBase.OnStoreLoad T3 CF
BuildingBase.OnStoreSave T3 CF
CarScript.EEInit T3 Vehicle3PP
CarScript.OnStoreLoad T3 CF
CarScript.OnStoreSave T3 CF
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.HandleView — Vehicle3PP
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)
EmoteConstructor.RegisterEmotes — Dabs Framework
EmoteDabbing.EmoteCondition — Dabs Framework (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
GesturesMenu.GetGestureItems — Dabs Framework
GesturesMenu.OnMenuRelease — Dabs Framework
Grenade_Base.EEHitBy T2 VPPAdminTools
Hacksaw.SetActions T2 Code Lock
HelicopterScript.OnStoreLoad T3 CF
HelicopterScript.OnStoreSave T3 CF
Icon.RefreshMuzzleIcon — Mag Obfuscation ✂
ItemActionsWidget.SetWeaponQuantity — Mag Obfuscation ✂
ItemBase.CombineItemsClient — Code Lock (cond)
ItemBase.EEItemLocationChanged T2 Inventory Move Sounds
ItemBase.GetItemSize — Dabs Framework ✂
ItemBase.OnRightClick — Code Lock (cond)
ItemBase.OnStoreLoad T3 CF
ItemBase.OnStoreSave T3 CF
KeybindingElement.Reload — CF
LandMineTrap.EEHitBy T2 VPPAdminTools
MissionBase.CF_IsLoaded — CF ✂
MissionBase.CreateScriptedMenu — VPPAdminTools
MissionBase.OnInit T3 Dabs Framework
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
MissionServer.OnUpdate T0 CF
ModItemRegisterCallbacks.CustomBoneRemapping — CF
ModItemRegisterCallbacks.RegisterArcheryItem — CF
ModItemRegisterCallbacks.RegisterCustom — CF
ModItemRegisterCallbacks.RegisterEmptyHanded — 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
PlayerBase.CanBeTargetedByAI — VPPAdminTools (cond)
PlayerBase.CommandHandler T1 VPPAdminTools
PlayerBase.EEKilled T3 VPPAdminTools
PlayerBase.GetActions — Dabs Framework ✂
PlayerBase.OnConnect — VPPAdminTools
PlayerBase.OnDrawOptics2D — VPPAdminTools (cond)
PlayerBase.OnRPC T2 VPPAdminTools
PlayerBase.OnSelectPlayer — CF
PlayerBase.OnStoreLoadLifespan — CF (cond)
PlayerBase.OnVariablesSynchronized T2 VPPAdminTools
PlayerBase.SetActions T2 VPPAdminTools
PluginAdminLog.PlayerHitBy — VPPAdminTools (cond)
PluginAdminLog.PlayerKilled — VPPAdminTools (cond)
PluginDiagMenu.OnRPC T2 Dabs Framework
PluginDiagMenuClient.RegisterModdedDiags — Dabs Framework
PluginRecipesManager.RegisterRecipies — Quadlock's Pack
QuantityConversions.HasItemQuantity — Mag Obfuscation ✂
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
ZombieBase.OnStoreLoad T3 CF
ZombieBase.OnStoreSave T3 CF

28 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.