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-- Copyright (C) 2016-2017 Alexey Kopytov <akopytov@gmail.com>
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
ffi = require("ffi")
ffi.cdef[[
void sb_event_start(int thread_id);
void sb_event_stop(int thread_id);
bool sb_more_events(int thread_id);
]]
-- ----------------------------------------------------------------------
-- Main event loop. This is a Lua version of sysbench.c:thread_run()
-- ----------------------------------------------------------------------
function thread_run(thread_id)
local success, ret
while ffi.C.sb_more_events(thread_id) do
ffi.C.sb_event_start(thread_id)
repeat
local success, ret = pcall(event, thread_id)
if not success then
if type(ret) ~= "table" or
ret.errcode ~= sysbench.error.RESTART_EVENT
then
error(ret, 2) -- propagate unknown errors
end
end
until success
-- Stop the benchmark if event() returns a non-nil value
if ret then
break
end
ffi.C.sb_event_stop(thread_id)
end
end
-- ----------------------------------------------------------------------
-- Hooks
-- ----------------------------------------------------------------------
sysbench.hooks = {
-- sql_error = <func>,
-- report_intermediate = <func>,
-- report_cumulative = <func>
}
-- Report statistics in the CSV format. Add the following to your
-- script to replace the default human-readable reports
--
-- sysbench.hooks.report_intermediate = sysbench.report_csv
function sysbench.report_csv(stat)
local seconds = stat.time_interval
print(string.format("%.0f,%u,%4.2f," ..
"%4.2f,%4.2f,%4.2f,%4.2f," ..
"%4.2f,%4.2f," ..
"%4.2f",
stat.time_total,
stat.threads_running,
stat.events / seconds,
(stat.reads + stat.writes + stat.other) / seconds,
stat.reads / seconds,
stat.writes / seconds,
stat.other / seconds,
stat.latency_pct * 1000,
stat.errors / seconds,
stat.reconnects / seconds
))
end
-- Report statistics in the CSV format. Add the following to your
-- script to replace the default human-readable reports
--
-- sysbench.hooks.report_intermediate = sysbench.report_json
function sysbench.report_json(stat)
local seconds = stat.time_interval
print(string.format([[
{
"time": %4.0f,
"threads": %u,
"tps": %4.2f,
"qps": {
"total": %4.2f,
"reads": %4.2f,
"writes": %4.2f,
"other": %4.2f,
},
"latency": %4.2f,
"errors": %4.2f,
"reconnects": %4.2f
},]],
stat.time_total,
stat.threads_running,
stat.events / seconds,
(stat.reads + stat.writes + stat.other) / seconds,
stat.reads / seconds,
stat.writes / seconds,
stat.other / seconds,
stat.latency_pct * 1000,
stat.errors / seconds,
stat.reconnects / seconds
))
end
-- Report statistics in the default human-readable format. You can use it if you
-- want to augment default reports with your own statistics. Call it from your
-- own report hook, e.g.:
--
-- function sysbench.hooks.report_intermediate(stat)
-- print("my stat: ", val)
-- sysbench.report_default(stat)
-- end
function sysbench.report_default(stat)
local seconds = stat.time_interval
print(string.format("[ %.0fs ] thds: %u tps: %4.2f qps: %4.2f " ..
"(r/w/o: %4.2f/%4.2f/%4.2f) lat (ms,%u%%): %4.2f " ..
"err/s %4.2f reconn/s: %4.2f",
stat.time_total,
stat.threads_running,
stat.events / seconds,
(stat.reads + stat.writes + stat.other) / seconds,
stat.reads / seconds,
stat.writes / seconds,
stat.other / seconds,
sysbench.opt.percentile,
stat.latency_pct * 1000,
stat.errors / seconds,
stat.reconnects / seconds
))
end
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