Edit File: topcontainers_cpu.lua
--[[ Copyright (C) 2013-2018 Draios Inc dba Sysdig. This file is part of sysdig. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 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. --]] -- Chisel description description = "Show the top containers defined by the highest CPU utilization." short_description = "Top containers by CPU usage" category = "CPU Usage" -- Chisel argument list args = {} require "common" terminal = require "ansiterminal" grtable = {} islive = false fkeys = {} vizinfo = { key_fld = {"container.name"}, key_desc = {"container.name"}, value_fld = "thread.exectime", value_desc = "CPU%", value_units = "timepct", top_number = 10, output_format = "normal" } -- Initialization callback function on_init() -- Request the fields we need for i, name in ipairs(vizinfo.key_fld) do fkeys[i] = chisel.request_field(name) end -- Request the fields we need fvalue = chisel.request_field(vizinfo.value_fld) fcpu = chisel.request_field("thread.cpu") chisel.set_filter("evt.type=procinfo") return true end -- Final chisel initialization function on_capture_start() islive = sysdig.is_live() vizinfo.output_format = sysdig.get_output_format() if islive then chisel.set_interval_s(1) if vizinfo.output_format ~= "json" then terminal.clearscreen() terminal.hidecursor() end end return true end -- Event parsing callback function on_event() local key = nil local kv = nil for i, fld in ipairs(fkeys) do kv = evt.field(fld) if kv == nil then return end if key == nil then key = kv else key = key .. "\001\001" .. evt.field(fld) end end local cpu = evt.field(fcpu) if grtable[key] == nil then grtable[key] = cpu * 10000000 else grtable[key] = grtable[key] + (cpu * 10000000) end return true end -- Periodic timeout callback function on_interval(ts_s, ts_ns, delta) if vizinfo.output_format ~= "json" then terminal.clearscreen() terminal.moveto(0, 0) end print_sorted_table(grtable, ts_s, 0, delta, vizinfo) -- Clear the table grtable = {} return true end -- Called by the engine at the end of the capture (Ctrl-C) function on_capture_end(ts_s, ts_ns, delta) if islive and vizinfo.output_format ~= "json" then terminal.clearscreen() terminal.moveto(0 ,0) terminal.showcursor() return true end print_sorted_table(grtable, ts_s, 0, delta, vizinfo) return true end