From 06960853e0f7b1f160c317408ad0a72263b7fc6c Mon Sep 17 00:00:00 2001
From: Zhongwen Deng <zhongwencool@gmail.com>
Date: Thu, 4 May 2023 14:41:02 +0800
Subject: [PATCH] feat: increase the time precision of trace logs to
 microseconds

---
 apps/emqx/src/emqx_trace/emqx_trace_formatter.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/emqx/src/emqx_trace/emqx_trace_formatter.erl b/apps/emqx/src/emqx_trace/emqx_trace_formatter.erl
index c31bc0355..a44237bd0 100644
--- a/apps/emqx/src/emqx_trace/emqx_trace_formatter.erl
+++ b/apps/emqx/src/emqx_trace/emqx_trace_formatter.erl
@@ -27,7 +27,7 @@ format(
     #{level := debug, meta := Meta = #{trace_tag := Tag}, msg := Msg},
     #{payload_encode := PEncode}
 ) ->
-    Time = calendar:system_time_to_rfc3339(erlang:system_time(second)),
+    Time = calendar:system_time_to_rfc3339(erlang:system_time(microsecond), [{unit, microsecond}]),
     ClientId = to_iolist(maps:get(clientid, Meta, "")),
     Peername = maps:get(peername, Meta, ""),
     MetaBin = format_meta(Meta, PEncode),