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OProfile - A System Profiler for Linux (News)
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2009-11-24 OProfile 0.9.6 released
OProfile 0.9.6 has been released.
This is mainly a bug-fix release to correct some regressions that
occurred in 0.9.5. It is highly recommended that all OProfile 0.9.5
users upgrade to 0.9.6. See the release notes for more details.
2009-07-31 OProfile 0.9.5 released
OProfile 0.9.5 has been released.
This release includes a framework for extending the sample data files.
See chapter 6, Extended Feature Interface, in the OProfile Internals
manual.
This release also includes support for several new processor models --
ARMv7, AMD family11h, IBM POWER7, Intel Atom, Intel Core i7 and Xeon 55xx
(based on Nehalem core). Many other features and bug fixes are included,
as well. See the release notes for more details.
2008-07-17 OProfile 0.9.4 released
OProfile 0.9.4 has been released.
This release has many new features and fixes. The biggest change with this
release is the addition of support for profiling JITed code. Java agents that
support Java 1.4 (JVMPI) and later (JVMTI) are included with OProfile. See the
release notes for more details.
2007-07-16 OProfile 0.9.3 released
OProfile 0.9.3 has been released.
This release has support for a number of new processor
implementations, as well as several new features and bug fixes.
2006-09-15 OProfile 0.9.2 released
OProfile 0.9.2 has been released.
This release has support for a number of new processor implementations.
2005-07-21 OProfile 0.9.1 released
OProfile 0.9.1 has been released.
This is a bug-fix release; ARM users are strongly recommended to
upgrade.
2005-05-31 OProfile 0.9 released
OProfile 0.9 has been released.
New in this release is a new differential profile output, a reworked
call-graph output format, and several important updates. As usual,
upgrading is strongly recommended.
2005-03-16 OProfile 0.8.2 released
OProfile 0.8.2 has been released.
New in this release is the support for several pppc/ppc64 and mips
processor and some important bugfix. Upgrading is strongly recommended.
2004-09-13 OProfile 0.8.1 released
OProfile 0.8.1 has been released.
New in this release is the oparchive utility for saving profiles
along with the binaries, Objective C support, and some important
bug fixes. Upgrading is strongly recommended.
2004-05-11 OProfile 0.8 released
OProfile 0.8 has been released.
New in this release is experimental call-graph profiling support,
new hardware support, support for separate debug files, and some
important bug fixes.
2003-11-12 OProfile 0.7.1 released
OProfile 0.7.1 has been released.
The new release includes some important bug fixes, and adds image
filtering, which lets you restrict what applications get profiled.
2003-10-22 OProfile 0.7 released
OProfile 0.7 has been released. It's
now possible to get per-CPU profiles, as well as per-thread/process
profiles for detailed profiling of threaded applications, and more. Also
there are some other important improvements and bug fixes.
2003-09-14 OProfile 0.6.1 released
OProfile 0.6.1 has been released. This release features
a re-introduction of side-by-side event samples comparison in opreport, along with
some cleanups and some bug fixes.
2003-07-28 OProfile 0.6 released
OProfile 0.6 has been released. This release features
major improvements to opcontrol and the post-profiling tools for speed, usability,
and flexibility, along with several bug fixes.
2003-06-17 OProfile 0.5.4 released
OProfile 0.5.4 has been released. This a bugfix
release; if you're using kernel 2.5.71 or above, upgrading is strongly recommended.
A number of other fixes have also been made.
2003-06-15 Call graph profiling
Work is finally underway on call-graph profiling for OProfile (as seen in gprof),
in the CVS BRANCH_CALLGRAPH. Being able to see what profiled functions called
which functions greatly increases the usefulness of OProfile's output for
complex applications. It's still in the very early stages, but is producing
correct gprof data for single binary images at the moment. The full feature
is currently planned for the 0.8 release.
2003-05-26 OProfile 0.5.3 released
OProfile 0.5.3 has been released. The
annotated source output is now much more readable, --no-vmlinux
is supported on 2.4, and there are also several bugfixes. Upgrading is recommended,
for future 2.5 kernel compatibility.
2003-03-30 OProfile 0.5.2 released
OProfile 0.5.2 has been released. Lots of
new features, such as auto-configuration, and --no-vmlinux (for 2.5 only).
The user documentation has had a serious overhaul, and can now be considered reasonably
complete.
2003-02-28 OProfile 0.5.1 released
OProfile 0.5.1 has been released. x86-64 on 2.4
support has been added. Kernel profiles can be separated per-application. A new
C++ demangler has been added, which is still experimental. An important daemon
crash fix and a number of other bugs have been fixed.
2003-02-04 OProfile mailing list available via NNTP
A bi-directional news feed for the main OProfile mailing list is now available
at news://news.gmane.org/gmane.linux.oprofile.
Visit gmane.org for more information.
2003-02-03 OProfile 0.5 released
OProfile 0.5 has been released. Support for a variety
of new architectures is present. A new management script called "opcontrol"
has been added. Several bug fixes too. Give it a go !
2002-11-06 OProfile 0.4 released
OProfile 0.4 has been released. Featured are Pentium 4
support, and support for the new 2.5 kernel support. There are also a significant
number of important bug fixes. Users are encouraged to upgrade.
2002-10-16 OProfile merged in 2.5.43
The 2.5 rewrite of OProfile has merged in the 2.5.43 development kernel release.
Note that the user-space tools are still under development for 2.5 support, so not
all features are working yet.
2002-07-25 OProfile 0.3 released
OProfile 0.3 has been released. This is mostly a
bug fix release, with various new features - users are recommended to upgrade.
2002-05-05 OProfile 0.2 released
OProfile 0.2 has been released. Huge speed and disk
space usage improvements have been made; profiling sessions can now be saved
under a given name; several other minor features and bug fixes are also included.
2002-03-08 OProfile 0.1 released
OProfile 0.1 has been released. Better post-profiling
output is the main new feature, and several critical bugs have been fixed.
2002-03-06 Website re-vamped
As you may have noticed, the website has been totally re-worked.
The intention is to make finding the necessary information easier. Any suggestions
on further improvements to the mailing list.
2002-02-03 OProfile 0.0.9 released
OProfile 0.0.9 has been released. New features in this alpha release
are 2.2 support, file merge support, bug fixes and more.
Speed, it seems to me, provides the one genuinely modern pleasure. - Aldous Huxley
2009/11/24