MarcelineVQ
c770e053aa
Registers GetAddOnMemoryUsage, UpdateAddOnMemoryUsage, GetAddOnCPUUsage, UpdateAddOnCPUUsage, ResetAddOnCPUUsage, and GetScriptCPUUsage as global Lua functions. All stubs for now — implementation will hook lua_Alloc and FrameScript dispatch for per-addon tracking.
101 lines
3.1 KiB
Zig
101 lines
3.1 KiB
Zig
//! addonperf — Expose addon memory and CPU usage to Lua.
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//!
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//! Vanilla WoW (1.12.1) lacks the TBC+ addon profiling API:
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//! GetAddOnMemoryUsage(index|name) -> kB
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//! UpdateAddOnMemoryUsage()
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//! GetAddOnCPUUsage(index|name) -> ms
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//! UpdateAddOnCPUUsage()
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//! ResetAddOnCPUUsage(index|name)
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//! GetScriptCPUUsage() -> enabled
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//!
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//! This module hooks the Lua engine to track per-addon memory and CPU,
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//! then registers these functions so addons like !Swatter / Blizzard_DebugTools
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//! can query performance data.
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const std = @import("std");
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const hook = @import("zhook");
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const logging = @import("../logging.zig");
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const mod_mutex = @import("../mutex.zig");
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pub const module_name: [*:0]const u8 = "addonperf";
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var g_mutex: ?*anyopaque = null;
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var g_is_hook_owner: bool = false;
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var log: logging.Logger = .{};
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pub fn isActive() bool {
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return g_is_hook_owner;
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}
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// =============================================================================
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// Lua API stubs
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// =============================================================================
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/// GetAddOnMemoryUsage(index|"name") -> kB (float)
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/// Returns memory used by the specified addon in kilobytes.
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pub fn luaGetAddOnMemoryUsage(L: *anyopaque) callconv(.c) u32 {
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// TODO: track per-addon Lua memory via lua_gc / allocator hooks
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_ = L;
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return 0; // pushes nothing — returns 0 results
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}
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/// UpdateAddOnMemoryUsage()
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/// Triggers a memory usage snapshot for all addons.
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pub fn luaUpdateAddOnMemoryUsage(L: *anyopaque) callconv(.c) u32 {
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_ = L;
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return 0;
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}
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/// GetAddOnCPUUsage(index|"name") -> totalMs, recentMs
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/// Returns total and recent CPU time for the specified addon.
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pub fn luaGetAddOnCPUUsage(L: *anyopaque) callconv(.c) u32 {
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// TODO: hook FrameScript dispatch to measure per-addon handler time
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_ = L;
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return 0;
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}
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/// UpdateAddOnCPUUsage()
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/// Triggers a CPU usage snapshot for all addons.
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pub fn luaUpdateAddOnCPUUsage(L: *anyopaque) callconv(.c) u32 {
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_ = L;
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return 0;
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}
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/// ResetAddOnCPUUsage(index|"name")
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/// Resets CPU counters for the specified addon (or all if no arg).
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pub fn luaResetAddOnCPUUsage(L: *anyopaque) callconv(.c) u32 {
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_ = L;
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return 0;
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}
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/// GetScriptCPUUsage() -> enabled (1/nil)
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/// Returns whether CPU profiling is active.
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pub fn luaGetScriptCPUUsage(L: *anyopaque) callconv(.c) u32 {
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const L_ptr = @intFromPtr(L);
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// Always enabled when this module is loaded
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hook.call(fn (usize, i32) callconv(hook.cc.fastcall) void, 0x6F36B0, .{ L_ptr, @as(i32, 1) }); // lua_pushboolean
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return 1;
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}
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// =============================================================================
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// Install / remove
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// =============================================================================
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pub fn installHooks() void {
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const result = mod_mutex.acquire(module_name);
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g_mutex = result.handle;
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g_is_hook_owner = result.is_owner;
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if (!g_is_hook_owner) return;
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log = logging.Logger.open(module_name, .both);
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log.print("addonperf: stub module loaded\n");
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}
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pub fn removeHooks() void {
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if (g_is_hook_owner) {
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log.close();
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mod_mutex.release(&g_mutex);
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}
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g_is_hook_owner = false;
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}
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