From ac1e10bb60c77816f5fe1244da22670193766875 Mon Sep 17 00:00:00 2001
From: zhouzb <zhouzb@emqx.io>
Date: Mon, 19 Aug 2019 17:04:22 +0800
Subject: [PATCH] Don't check cpu util on Alpine that uses libc-musl

---
 src/emqx_os_mon.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/emqx_os_mon.erl b/src/emqx_os_mon.erl
index 967f94ea2..4260cc456 100644
--- a/src/emqx_os_mon.erl
+++ b/src/emqx_os_mon.erl
@@ -166,4 +166,7 @@ call(Req) ->
     gen_server:call(?OS_MON, Req, infinity).
 
 ensure_check_timer(State = #{cpu_check_interval := Interval}) ->
-    State#{timer := emqx_misc:start_timer(timer:seconds(Interval), check)}.
+    case erlang:system_info(system_architecture) of
+        "x86_64-pc-linux-musl" -> State;
+        _ -> State#{timer := emqx_misc:start_timer(timer:seconds(Interval), check)}
+    end.
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