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-rw-r--r--lib/os_mon/src/cpu_sup.erl34
1 files changed, 19 insertions, 15 deletions
diff --git a/lib/os_mon/src/cpu_sup.erl b/lib/os_mon/src/cpu_sup.erl
index e758b63d19..d28f229b3e 100644
--- a/lib/os_mon/src/cpu_sup.erl
+++ b/lib/os_mon/src/cpu_sup.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -68,7 +68,7 @@
-type util_cpus() :: 'all' | integer() | [integer()].
-type util_state() :: 'user' | 'nice_user' | 'kernel' | 'wait' | 'idle'.
--type util_value() :: [{util_state(), float()}] | float().
+-type util_value() :: [{util_state(), number()}] | number().
-type util_desc() :: {util_cpus(), util_value(), util_value(), []}.
%%----------------------------------------------------------------------
@@ -122,7 +122,7 @@ util(Args) when is_list (Args) ->
util(_) ->
erlang:error(badarg).
--spec util() -> float() | {'error', any()}.
+-spec util() -> number() | {'error', any()}.
util() ->
case util([]) of
@@ -220,17 +220,21 @@ code_change(_OldVsn, State, _Extra) ->
%% internal functions
%%----------------------------------------------------------------------
-get_uint32_measurement(Request, #internal{os_type = {unix, linux}}) ->
- {ok,F} = file:open("/proc/loadavg",[read,raw]),
- {ok,D} = file:read_line(F),
- ok = file:close(F),
- {ok,[Load1,Load5,Load15,_PRun,PTotal],_} = io_lib:fread("~f ~f ~f ~d/~d", D),
- case Request of
- ?avg1 -> sunify(Load1);
- ?avg5 -> sunify(Load5);
- ?avg15 -> sunify(Load15);
- ?ping -> 4711;
- ?nprocs -> PTotal
+get_uint32_measurement(Request, #internal{port = P, os_type = {unix, linux}}) ->
+ case file:open("/proc/loadavg",[read,raw]) of
+ {ok,F} ->
+ {ok,D} = file:read_line(F),
+ ok = file:close(F),
+ {ok,[Load1,Load5,Load15,_PRun,PTotal],_} = io_lib:fread("~f ~f ~f ~d/~d", D),
+ case Request of
+ ?avg1 -> sunify(Load1);
+ ?avg5 -> sunify(Load5);
+ ?avg15 -> sunify(Load15);
+ ?ping -> 4711;
+ ?nprocs -> PTotal
+ end;
+ {error,_} ->
+ port_server_call(P, Request)
end;
get_uint32_measurement(Request, #internal{port = P, os_type = {unix, Sys}}) when
Sys == sunos;
@@ -244,7 +248,7 @@ get_uint32_measurement(Request, #internal{os_type = {unix, Sys}}) when Sys == ir
%% Get the load average using uptime.
%% "8:01pm up 2 days, 22:12, 4 users, load average: 0.70, 0.58, 0.43"
D = os:cmd("uptime") -- "\n",
- Avg = lists:reverse(hd(string:tokens(lists:reverse(D), ":"))),
+ Avg = lists:reverse(hd(string:lexemes(lists:reverse(D), ":"))),
{ok, [L1, L5, L15], _} = io_lib:fread("~f, ~f, ~f", Avg),
case Request of
?avg1 -> sunify(L1);