From 1bcc2272b55f588fb4435852f92de634e1dc82ed Mon Sep 17 00:00:00 2001
From: Feng Lee <ery.lee@gmail.com>
Date: Thu, 21 Jul 2016 18:29:31 +0800
Subject: [PATCH] fix compile warning

---
 src/emqttd_sysmon.erl | 8 ++++----
 src/emqttd_vm.erl     | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/emqttd_sysmon.erl b/src/emqttd_sysmon.erl
index a262ffc5e..43db85de6 100644
--- a/src/emqttd_sysmon.erl
+++ b/src/emqttd_sysmon.erl
@@ -162,10 +162,10 @@ publish(Sysmon, WarnMsg) ->
 topic(Sysmon) ->
     emqttd_topic:systop(list_to_binary(lists:concat(['sysmon/', Sysmon]))).
 
-start_tracelog(undefined) ->
-    {ok, undefined};
-start_tracelog(LogFile) ->
-    lager:trace_file(LogFile, [{sysmon, true}], info, ?LOG_FMT).
+%% start_tracelog(undefined) ->
+%%    {ok, undefined};
+%% start_tracelog(LogFile) ->
+%%    lager:trace_file(LogFile, [{sysmon, true}], info, ?LOG_FMT).
 
 cancel_tracelog(undefined) ->
     ok;
diff --git a/src/emqttd_vm.erl b/src/emqttd_vm.erl
index bad4d7c96..bdc6cef40 100644
--- a/src/emqttd_vm.erl
+++ b/src/emqttd_vm.erl
@@ -152,7 +152,7 @@ schedulers() ->
     erlang:system_info(schedulers).
 
 microsecs() ->
-    {Mega, Sec, Micro} = erlang:now(),
+    {Mega, Sec, Micro} = os:timestamp(),
     (Mega * 1000000 + Sec) * 1000000 + Micro.
 
 loads() ->