[gentoo-commits] gentoo-x86 commit in dev-util/sysprof: ChangeLog sysprof-1.0.12.ebuild

[Mart Raudsepp (leio)]

leio        09/01/26 03:21:37

  Modified:             ChangeLog sysprof-1.0.12.ebuild
  Log:
  Add einfo about frame pointers and the lack of them affecting sysprof usefulness.
  (Portage version: 2.2_rc22/cvs/Linux 2.6.28-gentoo x86_64)

Revision  Changes    Path
1.14                 dev-util/sysprof/ChangeLog

file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/ChangeLog?rev=1.14&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/ChangeLog?rev=1.14&content-type=text/plain
diff : http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/ChangeLog?r1=1.13&r2=1.14

Index: ChangeLog
===================================================================
RCS file: /var/cvsroot/gentoo-x86/dev-util/sysprof/ChangeLog,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -r1.13 -r1.14
--- ChangeLog	26 Dec 2008 03:25:32 -0000	1.13
+++ ChangeLog	26 Jan 2009 03:21:37 -0000	1.14
@@ -1,6 +1,10 @@
 # ChangeLog for dev-util/sysprof
-# Copyright 1999-2008 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-util/sysprof/ChangeLog,v 1.13 2008/12/26 03:25:32 leio Exp $
+# Copyright 1999-2009 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/dev-util/sysprof/ChangeLog,v 1.14 2009/01/26 03:21:37 leio Exp $
+
+  26 Jan 2009; Mart Raudsepp <leio@g.o> sysprof-1.0.12.ebuild:
+  Add einfo about frame pointers and the lack of them affecting sysprof
+  usefulness.
 
   26 Dec 2008; Mart Raudsepp <leio@g.o> -sysprof-1.0.8.ebuild,
   -sysprof-1.0.9.ebuild, -sysprof-1.0.10.ebuild:



1.2                  dev-util/sysprof/sysprof-1.0.12.ebuild

file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild?rev=1.2&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild?rev=1.2&content-type=text/plain
diff : http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild?r1=1.1&r2=1.2

Index: sysprof-1.0.12.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- sysprof-1.0.12.ebuild	10 Dec 2008 23:52:19 -0000	1.1
+++ sysprof-1.0.12.ebuild	26 Jan 2009 03:21:37 -0000	1.2
@@ -1,6 +1,6 @@
-# Copyright 1999-2008 Gentoo Foundation
+# Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild,v 1.1 2008/12/10 23:52:19 leio Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-util/sysprof/sysprof-1.0.12.ebuild,v 1.2 2009/01/26 03:21:37 leio Exp $
 
 inherit eutils linux-mod
 
@@ -41,3 +41,15 @@
 	dodoc AUTHORS ChangeLog NEWS README TODO
 	make_desktop_entry sysprof Sysprof sysprof-icon
 }
+
+pkg_postinst() {
+	einfo "On many systems, especially amd64, it is typical that with a modern"
+	einfo "toolchain -fomit-frame-pointer for gcc is the default, because"
+	einfo "debugging is still possible thanks to gcc4/gdb location list feature."
+	einfo "However sysprof is not able to construct call trees if frame pointers"
+	einfo "are not present. Therefore -fno-omit-frame-pointer CFLAGS is suggested"
+	einfo "for the libraries and applications involved in the profiling. That"
+	einfo "means a CPU register is used for the frame pointer instead of other"
+	einfo "purposes, which means a very minimal performance loss when there is"
+	einfo "register pressure."
+}