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perf: track some additional cputimes

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Folke Lemaitre 2023-01-02 11:28:18 +01:00
parent 46997de1c9
commit d992387912
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GPG key ID: 41F8B1FBACAE2040
3 changed files with 49 additions and 16 deletions
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43
lua/lazy/stats.lua
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@ -1,3 +1,5 @@
local ffi = require("ffi")
local M = {}
---@class LazyStats
@ -10,35 +12,48 @@ M._stats = {
startuptime_cputime = false,
count = 0, -- total number of plugins
loaded = 0, -- number of loaded plugins
---@type table<string, number>
times = {},
}
function M.on_ui_enter()
if not M.C then
pcall(function() end)
end
---@type ffi.namespace*|boolean
M.C = nil
local ok = pcall(function()
local ffi = require("ffi")
ffi.cdef([[
function M.on_ui_enter()
M._stats.startuptime = M.track("UIEnter")
M._stats.startuptime_cputime = M.C ~= false
vim.cmd([[do User LazyVimStarted]])
end
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);
]])
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)
M._stats.startuptime = tonumber(pnano[0].tv_sec) / 1e6 + tonumber(pnano[0].tv_nsec) / 1e6
M._stats.startuptime_cputime = true
end)
if not ok then
M._stats.startuptime = (vim.loop.hrtime() - require("lazy")._start) / 1e6
return tonumber(pnano[0].tv_sec) / 1e6 + tonumber(pnano[0].tv_nsec) / 1e6
else
return (vim.loop.hrtime() - require("lazy")._start) / 1e6
end
vim.cmd([[do User LazyVimStarted]])
end
function M.stats()