<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Times New Roman; font-size: 12pt; color: #000000'><br>> <font face="sans-serif" size="2">Our system is a 12-core x86 (6-core
+ HT). If I take 4 subbuffers of 1MB, this means 4MB per<br><font size="2">></font> process. As the
number of processes rises, this becomes prohibitive.</font>
<br>> <font face="sans-serif" size="2">For example, we may need to support
> 500 sub-processes ==> 500 * 4MB = 2GB - <br><font size="2">> </font>which is a bit too much.</font>
<font size="2"><font face="sans-serif"></font></font><font face="sans-serif" size="2">Is there a way to tell LTTng to share
the sub-buffers with forked processes?</font>
<br><br>This is the number one feature listed in the changelog for lttng-tools and UST for version 2.2. The first release candidate is out so you can try the feature, and the final 2.2 version should not be too far away.<br><br>http://lttng.org/lttng-tools-220-rc1<br>- Add UST per UID buffers support<br><br></div></body></html>