sigar/bindings/erl/examples/free.erl

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2009-06-15 12:29:08 +08:00
#!/usr/bin/env escript
%
% Copyright (c) 2009 SpringSource, Inc.
%
% 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.
%
2009-06-15 12:29:08 +08:00
-include(sigar).
main(_) ->
{ok, S} = sigar:start(),
{ok, Mem} = sigar:mem(S),
io:format("\tTotal\tUsed\tFree~n"),
io:format("Mem: "),
lists:map(
fun(K) ->
io:format("~w\t", [sigar:get_value(K, Mem)/1024]) end,
[total, used, free]),
io:format("~n"),
{ok, Swap} = sigar:swap(S),
io:format("Swap: "),
lists:map(
fun(K) ->
io:format("~w\t", [sigar:get_value(K, Swap)/1024]) end,
[total, used, free]),
io:format("~n"),
io:format("RAM: ~wMB~n", [sigar:get_value(ram, Mem)]),
sigar:stop(S).