From ac1a648ff518e0aa92cb14773b617829081a75d0 Mon Sep 17 00:00:00 2001
From: Siri Hansen <siri@erlang.org>
Date: Wed, 14 Sep 2016 18:19:16 +0200
Subject: [ttb] Add option <c>queue_size</c> to tracer/2

This sets the maximum queue size for the IP trace driver which is used
when tracing to shell and/or <c>{local,File}</c>.

Also, change the default queue size set by dbg:trace_port/2 to 200.
---
 lib/runtime_tools/doc/src/dbg.xml | 2 +-
 lib/runtime_tools/src/dbg.erl     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/runtime_tools')

diff --git a/lib/runtime_tools/doc/src/dbg.xml b/lib/runtime_tools/doc/src/dbg.xml
index db04bfdf7b..95f74d4607 100644
--- a/lib/runtime_tools/doc/src/dbg.xml
+++ b/lib/runtime_tools/doc/src/dbg.xml
@@ -954,7 +954,7 @@ Error: fun containing local erlang function calls ('is_atomm' called in guard)\
           as the tuple <c>{drop, N}</c> where <c>N</c> is the number of consecutive messages
           dropped. In case of heavy tracing, drop's are likely to occur,
           and they surely occur if no client is reading the trace
-          messages.</p>
+          messages. The default value of <c>QueSize</c> is 200.</p>
       </desc>
     </func>
     <func>
diff --git a/lib/runtime_tools/src/dbg.erl b/lib/runtime_tools/src/dbg.erl
index c0d4665bda..f17aa528ed 100644
--- a/lib/runtime_tools/src/dbg.erl
+++ b/lib/runtime_tools/src/dbg.erl
@@ -427,7 +427,7 @@ trace_port(file, Filename) ->
     trace_port1(file, Filename, nowrap);
 
 trace_port(ip, Portno) when is_integer(Portno) -> 
-    trace_port(ip,{Portno,50});
+    trace_port(ip,{Portno,200});
 
 trace_port(ip, {Portno, Qsiz}) when is_integer(Portno), is_integer(Qsiz) -> 
     fun() ->
-- 
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