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2013-07-29 OProfile 0.9.9 released

OProfile 0.9.9 has been released. This release includes the new 'ocount' program for collecting raw event counts on a per-application, per-process, per-cpu, or system-wide basis. This release also includes support for several new processor models -- Intel Haswell, IBM zEnterprise EC12, and IBM POWER8. Support was also added for IBM Power ISA 2.07 Architected Events and for AMD Generic Performance Events.

2012-08-27 OProfile 0.9.8 released

OProfile 0.9.8 has been released. This release includes the new 'operf' program that allows non-root users to profile a specified individual process. This release also includes support for several new processor models -- Tilera tile64/tilepro/tile-gx, IBM System z10/z196, Intel Ivy Bridge, ARMv7 Cortex-A5/A7/A15. See the release notes for more details.

2011-08-12 OProfile 0.9.7 released

OProfile 0.9.7 has been released. This release includes support for several new processor models -- MIPS Loongson2, Intel Nehalem, ARM Cortex-A9, MIPS 74K, MIPS 1004K, AMD family12h, AMD family14h, AMD family15h, Intel Westmere, ARMv7 Scorpion, ARMv7 ScorpionMP, and Intel Sandy Bridge. Many other features and bug fixes are included, as well. See the release notes for more details.

2011-02-20 OProfile SCM switched from CVS to git

OProfile code is no longer accessible using CVS. You must now use git commands. Please refer to Download & git page for instructions.

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.

More computing sins are committed in the name of efficiency (without necessarily achieving it) than for any other single reason - including blind stupidity. - W. A. Wulf
2011/02/20