From 3d43e894fd959a57e291718477b92df3b7354c32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B8ren=20Sandmann?= <sandmann@redhat.com>
Date: Fri, 14 Oct 2005 15:45:48 +0000
Subject: [PATCH] Add a warning about known bugs in the kernel module in this
 branch.
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Fri Oct 14 11:44:43 2005  Søren Sandmann  <sandmann@redhat.com>

        * configure.ac: Add a warning about known bugs in the kernel
        module in this branch.

        * TODO: updates.
---
 ChangeLog    |  7 +++++++
 TODO         | 12 ++++++++++++
 configure.ac | 21 +++++++++++++++++++++
 3 files changed, 40 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index d7cb7435..163fbf0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Oct 14 11:44:43 2005  Søren Sandmann  <sandmann@redhat.com>
+
+	* configure.ac: Add a warning about known bugs in the kernel
+	module in this branch.
+
+	* TODO: updates.
+
 Tue Oct 11 22:40:24 2005  Soeren Sandmann  <sandmann@redhat.com>
 
 	* module/sysprof-module.c (SAMPLES_PER_SECOND): Add back these
diff --git a/TODO b/TODO
index 879bc903..c5bcac6e 100644
--- a/TODO
+++ b/TODO
@@ -49,6 +49,14 @@ Before 1.2:
 		  placed? (We should avoid any "location of vmlinux" type
 		  questions if at all possible).
 
+  regarding crossing system call barriers: Find out about the virtual dso
+  that linux uses to do fast system calls:
+
+	http://lkml.org/lkml/2002/12/18/218
+
+  and what that actually makes the stack look like. (We may want to just
+  special case this fake dso in the symbol lookup code).
+
 * Correctness
 	- When the module is unloaded, kill all processes blocking in read
 		- or block unloading until all processes have exited
@@ -165,6 +173,10 @@ http://www.linuxbase.org/spec/booksets/LSB-Embedded/LSB-Embedded/ehframe.html
 
   look in dwarf2-frame.[ch] in the gdb distribution. 
 
+  Also look at bozo-profiler
+	http://www-sop.inria.fr/dream/personnel/Mathieu.Lacage/bozo-profiler/bozo-profiler-1.1.tar.gz
+  which has an elf32 parser/debugger
+
 - Make busy cursors more intelligent
 	- when you click something in the main list and we don't respond
 		within 50ms (or perhaps when we expect to not be able to do
diff --git a/configure.ac b/configure.ac
index 4b52ef9e..290723eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,3 +105,24 @@ Makefile
 ])
 
 AC_OUTPUT
+
+echo
+echo "%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%"
+echo "@"
+echo "%      This is cvs HEAD of sysprof. "
+echo "@"
+echo "%      The kernel module in this version has bugs that"
+echo "@      cause hangs with some kernels, notably the Fedora"
+echo "%      Rawhide ones."
+echo "@"
+echo "%      If you need a stable version of sysprof, either"
+echo "@      get version 1.0 from"
+echo "%"
+echo "@          http://www.daimi.au.dk/~sandmann/sysprof"
+echo "%      "
+echo "@      or do"
+echo "%"
+echo "@          cvs -z3 upd -r SYSPROF-1-0"
+echo "%"
+echo "@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@%@"
+echo