https://issues.apache.org/bugzilla/show_bug.cgi?id=55793
Bug ID: 55793
Summary: DTrace/SystemTap support
Product: Apache httpd-2
Version: 2.4.6
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P2
Component: Core
Assignee: [email protected]
Reporter: [email protected]
Created attachment 31051
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31051&action=edit
Patch to support DTrace/SystemTap for Apache 2.4.6
Hi!
DTrace support were implemented in Apache 2.3.0, but it never been buildable.
There is a patch to fix that:
http://people.apache.org/~trawick/httpd-trunk-dtrace.html but it is a bit
out-of-date
I've upgraded patch to stable apache version (2.4.6) + added SystemTap (Linux)
support and tested build with and without --enable-dtrace on Solaris 11 and
CentOS Linux 6.4.
However, I have some concerns about original patch:
1. It's a bit tricky: needs to create a lot of intermediate files if building
with DTrace/SystemTap support
2. Hook probes are actually useless because they do not provide hook function
arguments to DTrace/SystemTap
BR, Sergey.
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