Implement benchmarking of package load time

This commit is contained in:
phosphene47
2021-11-14 23:46:30 +11:00
parent 2b446d9d43
commit 43fc6489a4

View File

@ -3,9 +3,15 @@ local proc = require("dep/proc")
logger:open()
local initialized, config_path, base_dir
local initialized, perf, config_path, base_dir
local packages, root
local function bench(name, code, ...)
local start = os.clock()
code(...)
perf[name] = os.clock() - start
end
local function get_name(id)
local name = id:match("^[%w-_.]+/([%w-_.]+)$")
if name then
@ -52,6 +58,7 @@ local function register(spec, overrides)
on_load = {},
dependencies = {}, -- inward edges
dependents = {}, -- outward edges
perf = {},
}
packages[id] = package
@ -120,6 +127,10 @@ local function register_recursive(list, overrides)
local name, module = "<unnamed module>", list.modules[i]
if type(module) == "string" then
if list.modules.prefix then
module = list.modules.prefix .. module
end
name, module = module, require(module)
end
@ -224,6 +235,11 @@ end
local function run_hooks(package, type)
local hooks = package[type]
if #hooks == 0 then
return true
end
local start = os.clock()
for i = 1, #hooks do
local ok, err = pcall(hooks[i])
@ -233,26 +249,36 @@ local function run_hooks(package, type)
end
end
if #hooks ~= 0 then
package.perf[type] = os.clock() - start
logger:log(
"hook",
string.format("triggered %d %s %s for %s", #hooks, type, #hooks == 1 and "hook" or "hooks", package.id)
)
end
return true
end
local function ensure_added(package)
if not package.added then
local ok, err = pcall(vim.cmd, "packadd " .. package.name)
if ok then
package.added = true
logger:log("vim", string.format("packadd completed for %s", package.id))
else
local ok, err = run_hooks(package, "on_setup")
if not ok then
package.error = true
return false, err
end
local start = os.clock()
ok, err = pcall(vim.cmd, "packadd " .. package.name)
if not ok then
package.error = true
return false, err
end
package.added = true
package.perf.pack = os.clock() - start
logger:log("vim", string.format("packadd completed for %s", package.id))
end
return true
@ -270,13 +296,7 @@ local function configure_recursive(package)
end
if not package.configured then
local ok, err = run_hooks(package, "on_setup")
if not ok then
logger:log("error", string.format("failed to set up %s; reason: %s", package.id, err))
return
end
ok, err = ensure_added(package)
local ok, err = ensure_added(package)
if not ok then
logger:log("error", string.format("failed to configure %s; reason: %s", package.id, err))
return
@ -339,6 +359,7 @@ local function load_recursive(package)
end
local function reload_meta()
bench("meta", function()
local ok, err = pcall(
vim.cmd,
[[
@ -352,6 +373,7 @@ local function reload_meta()
else
logger:log("error", string.format("failed to reload helptags and remote plugins; reason: %s", err))
end
end)
end
local function reload()
@ -526,10 +548,33 @@ local function sync_list(list)
end
end
local function print_list()
local function get_commits(cb)
local results = {}
local done = 0
for i = 1, #packages do
local package = packages[i]
if package.exists then
proc.git_rev_parse(package.dir, "HEAD", function(err, commit)
if not err then
results[package.id] = commit
end
done = done + 1
if done == #packages then
cb(results)
end
end)
else
done = done + 1
end
end
end
local function print_list(cb)
get_commits(function(commits)
local buffer = vim.api.nvim_create_buf(true, true)
local line = 0
local indent = 0
local line, indent = 0, 0
local function print(chunks)
local concat = {}
@ -564,12 +609,9 @@ local function print_list()
line = line + 1
end
print({
{ "Installed packages:" },
{ string.format(" (%s)", #packages), "Comment" },
})
print(string.format("Installed packages (%s):", #packages))
indent = 1
local loaded = {}
local function dry_load(package)
@ -586,7 +628,7 @@ local function print_list()
loaded[package.id], loaded[#loaded + 1] = true, package
local line = {
{ "- ", "Comment" },
{ string.format("[%s] ", commits[package.id] or " "), "Comment" },
{ package.id, "Underlined" },
}
@ -616,12 +658,67 @@ local function print_list()
dry_load(root)
indent = 0
print()
print("Load time (μs):")
indent = 1
local profiles = {}
for i = 1, #packages do
local package = packages[i]
local profile = {
package = package,
total = 0,
setup = package.perf.on_setup or 0,
load = package.perf.on_load or 0,
pack = package.perf.pack or 0,
"total",
"setup",
"pack",
"load",
}
if package == root then
for k, v in pairs(perf) do
if profile[k] then
profile[k] = profile[k] + v
end
end
end
for i = 1, #profile do
profile.total = profile.total + profile[profile[i]]
end
profiles[#profiles + 1] = profile
end
table.sort(profiles, function(a, b)
return a.total > b.total
end)
for i = 1, #profiles do
local profile = profiles[i]
local line = {
{ "- ", "Comment" },
{ profile.package.id, "Underlined" },
{ string.rep(" ", 40 - #profile.package.id) },
}
for i = 1, #profile do
local key, value = profile[i], profile[profile[i]]
line[#line + 1] = { string.format(" %5s ", key), "Comment" }
line[#line + 1] = { string.format("%4d", value * 1000000) }
end
print(line)
end
indent = 0
print()
print("Dependency graph:")
local function walk_graph(package)
indent = indent + 1
local line = {
{ "| ", "Comment" },
{ package.id, "Underlined" },
@ -642,30 +739,34 @@ local function print_list()
print(line)
for i = 1, #package.dependents do
indent = indent + 1
walk_graph(package.dependents[i])
end
indent = indent - 1
end
end
walk_graph(root)
indent = 0
print()
print("Debug information:")
local lines = {}
local debug = {}
for l in vim.inspect(packages):gmatch("[^\n]+") do
lines[#lines + 1] = l
debug[#debug + 1] = l
end
vim.api.nvim_buf_set_lines(buffer, line, -1, false, lines)
vim.api.nvim_buf_set_lines(buffer, line, -1, false, debug)
vim.api.nvim_buf_set_name(buffer, "packages.dep")
vim.api.nvim_buf_set_option(buffer, "bufhidden", "wipe")
vim.api.nvim_buf_set_option(buffer, "modifiable", false)
vim.cmd("sp")
vim.api.nvim_win_set_buf(0, buffer)
if cb then
cb()
end
end)
end
vim.cmd([[
@ -709,15 +810,19 @@ return setmetatable({
end),
}, {
__call = function(self, config)
perf = {}
config_path = debug.getinfo(2, "S").source:sub(2)
initialized, err = pcall(function()
base_dir = config.base_dir or (vim.fn.stdpath("data") .. "/site/pack/deps/opt/")
packages = {}
bench("load", function()
root = register("chiyadev/dep")
register_recursive(config)
sort_dependencies()
ensure_acyclic()
end)
reload()
local should_sync = function(package)