GSServer-CBT/soggy_resources/lua/Base/profiler.lua
Akbar Yahya e0d4d8040c melon
2022-11-21 16:30:31 +08:00

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-- Tencent is pleased to support the open source community by making xLua available.
-- Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
-- Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
-- http://opensource.org/licenses/MIT
-- Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
local get_time = os.clock
local sethook = xlua.sethook or debug.sethook
local func_info_map = nil
local start_time
local function create_func_info(db_info)
return {
db_info = db_info,
count = 0,
total_time = 0
}
end
local function on_hook(event, func_info_id, source)
local func_info = func_info_map[func_info_id]
if not func_info then
func_info = create_func_info(debug.getinfo( 2, 'nS' ))
func_info_map[func_info_id] = func_info
end
if event == "call" then
func_info.call_time = get_time()
func_info.count = func_info.count + 1
func_info.return_time = nil
elseif event == "return" or event == 'tail return' then
local now = get_time()
if func_info.call_time then
func_info.total_time = func_info.total_time + (now - func_info.call_time)
func_info.call_time = nil
else
func_info.total_time = func_info.total_time + (now - (func_info.return_time or now))
func_info.count = func_info.count + 1
end
func_info.return_time = now
if source and func_info.count == 1 then
func_info.db_info.short_src = source
end
end
end
local function start()
func_info_map = {}
start_time = get_time()
sethook(on_hook, 'cr')
end
local function pause()
sethook()
end
local function resume()
sethook(on_hook, 'cr')
end
local function stop()
sethook()
func_info_map = nil
start_time = nil
end
local function report_output_line(rp, stat_interval)
local source = rp.db_info.short_src or '[NA]'
local linedefined = (rp.db_info.linedefined and rp.db_info.linedefined >= 0) and string.format(":%i", rp.db_info.linedefined) or ''
source = source .. linedefined
local name = rp.db_info.name or '[anonymous]'
local total_time = string.format("%04.3f", rp.total_time * 1000)
local average_time = string.format("%04.3f", rp.total_time / rp.count * 1000)
local relative_time = string.format("%03.2f%%", (rp.total_time / stat_interval) * 100 )
local count = string.format("%7i", rp.count)
return string.format("|%-40.40s: %-50.50s: %-12s: %-12s: %-12s: %-12s|\n", name, source, total_time, average_time, relative_time, count)
end
local sort_funcs = {
TOTAL = function(a, b) return a.total_time > b.total_time end,
AVERAGE = function(a, b) return a.average > b.average end,
CALLED = function(a, b) return a.count > b.count end
}
local function report(sort_by)
sethook()
local sort_func = type(sort_by) == 'function' and sort_by or sort_funcs[sort_by]
local FORMAT_HEADER_LINE = "|%-40s: %-50s: %-12s: %-12s: %-12s: %-12s|\n"
local header = string.format( FORMAT_HEADER_LINE, "FUNCTION", "SOURCE", "TOTAL(MS)", "AVERAGE(MS)", "RELATIVE", "CALLED" )
local stat_interval = get_time() - (start_time or get_time())
local report_list = {}
for _, rp in pairs(func_info_map) do
table.insert(report_list, {
total_time = rp.total_time,
count = rp.count,
average = rp.total_time / rp.count,
output = report_output_line(rp, stat_interval)
})
end
table.sort(report_list, sort_func or sort_funcs.TOTAL)
local output = header
for i, rp in ipairs(report_list) do
output = output .. rp.output
end
sethook(on_hook, 'cr')
return output
end
return {
--开始统计
start = start,
--获取报告start和stop之间可以多次调用参数sort_by类型是string可以是'TOTAL','AVERAGE', 'CALLED'
report = report,
--停止统计
stop = stop
}