diff options
| author | Alex Bennée <alex.bennee@linaro.org> | 2023-01-31 09:42:23 +0000 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-02-14 09:02:42 +0100 |
| commit | bb9ecae70bbd1ab1daf94d893b02c78dfe1314f1 (patch) | |
| tree | 51dd5efa2120c3a4c5d2b3329229b6de8b622f96 /docs | |
| parent | 550c6d97ded04f5dc2da7b34d7a95284271304a5 (diff) | |
build: deprecate --enable-gprof builds and remove from CI
As gprof relies on instrumentation you rarely get useful data compared
to a real optimised build. Lets deprecate the build option and
simplify the CI configuration as a result.
Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1338
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230131094224.861621-1-alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/about/deprecated.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index da2e6fe63d..9317046177 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -20,6 +20,20 @@ they were first deprecated in the 2.10.0 release. What follows is a list of all features currently marked as deprecated. +Build options +------------- + +``gprof`` builds (since 8.0) +'''''''''''''''''''''''''''' + +The ``--enable-gprof`` configure setting relies on compiler +instrumentation to gather its data which can distort the generated +profile. As other non-instrumenting tools are available that give a +more holistic view of the system with non-instrumented binaries we are +deprecating the build option and no longer defend it in CI. The +``--enable-gcov`` build option remains for analysis test case +coverage. + System emulator command line arguments -------------------------------------- |