lazy.nvim/lua/lazy/stats.lua

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local ffi = require("ffi")
local M = {}
---@class LazyStats
M._stats = {
-- startuptime in milliseconds till UIEnter
startuptime = 0,
-- when true, startuptime is the accurate cputime for the Neovim process. (Linux & Macos)
-- this is more accurate than `nvim --startuptime`, and as such will be slightly higher
-- when false, startuptime is calculated based on a delta with a timestamp when lazy started.
startuptime_cputime = false,
count = 0, -- total number of plugins
loaded = 0, -- number of loaded plugins
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---@type table<string, number>
times = {},
}
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---@type ffi.namespace*|boolean
M.C = nil
function M.on_ui_enter()
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M._stats.startuptime = M.track("UIEnter")
M._stats.startuptime_cputime = M.C ~= false
vim.cmd([[do User LazyVimStarted]])
end
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function M.track(event)
local time = M.cputime()
M._stats.times[event] = time
return time
end
function M.cputime()
if M.C == nil then
local ok = pcall(function()
ffi.cdef([[
typedef long time_t;
typedef int clockid_t;
typedef struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* nanoseconds */
} nanotime;
int clock_gettime(clockid_t clk_id, struct timespec *tp);
]])
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end)
M.C = ok and ffi.C or false
end
if M.C then
local pnano = assert(ffi.new("nanotime[?]", 1))
local CLOCK_PROCESS_CPUTIME_ID = jit.os == "OSX" and 12 or 2
ffi.C.clock_gettime(CLOCK_PROCESS_CPUTIME_ID, pnano)
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return tonumber(pnano[0].tv_sec) / 1e6 + tonumber(pnano[0].tv_nsec) / 1e6
else
return (vim.loop.hrtime() - require("lazy")._start) / 1e6
end
end
function M.stats()
M._stats.count = 0
M._stats.loaded = 0
for _, plugin in pairs(require("lazy.core.config").plugins) do
M._stats.count = M._stats.count + 1
if plugin._.loaded then
M._stats.loaded = M._stats.loaded + 1
end
end
return M._stats
end
return M