| Message ID | 20240910140733.4007719-13-alex.bennee@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Maintainer updates (testing, gdbstub, plugins) | expand |
On 9/10/24 07:07, Alex Bennée wrote: > The softmmu memory instrumentation test sees so many more accesses > than a normal translated host and its really not worth fixing up. Lets > deprecate this odd configuration and save on the CI cycles. > > Signed-off-by: Alex Bennée <alex.bennee@linaro.org> > --- > docs/about/deprecated.rst | 8 ++++++++ > configure | 11 +++++++++-- > 2 files changed, 17 insertions(+), 2 deletions(-) > > diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst > index f7c7c33d39..5aa2e35314 100644 > --- a/docs/about/deprecated.rst > +++ b/docs/about/deprecated.rst > @@ -196,6 +196,14 @@ benefits from having plenty of host memory it seems reasonable to > encourage users to use 64 bit builds of QEMU for analysis work > whatever targets they are instrumenting. > > +TCG Plugin support not enabled by default with TCI (since 9.2) > +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' > + > +While the TCG interpreter can interpret the TCG ops used by plugins it > +is going to be so much slower it wouldn't make sense for any serious > +instrumentation. Due to implementation differences there will also be > +anomalies in things like memory instrumentation. > + > System emulator CPUs > -------------------- > > diff --git a/configure b/configure > index 14581c1b9a..1bda6b3a3b 100755 > --- a/configure > +++ b/configure > @@ -629,6 +629,9 @@ meson_option_parse() { > exit 1 > fi > } > +has_meson_option() { > + test "${meson_options#*"$1"}" != "$meson_options" > +} > > meson_add_machine_file() { > if test "$cross_compile" = "yes"; then > @@ -1048,8 +1051,12 @@ if test "$static" = "yes" ; then > plugins="no" > fi > if test "$plugins" != "no" && test $host_bits -eq 64; then > - plugins=yes > - subdirs="$subdirs contrib/plugins" > + if has_meson_option "-Dtcg_interpreter=true"; then > + plugins="no" > + else > + plugins=yes > + subdirs="$subdirs contrib/plugins" > + fi > fi > > cat > $TMPC << EOF Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index f7c7c33d39..5aa2e35314 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -196,6 +196,14 @@ benefits from having plenty of host memory it seems reasonable to encourage users to use 64 bit builds of QEMU for analysis work whatever targets they are instrumenting. +TCG Plugin support not enabled by default with TCI (since 9.2) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +While the TCG interpreter can interpret the TCG ops used by plugins it +is going to be so much slower it wouldn't make sense for any serious +instrumentation. Due to implementation differences there will also be +anomalies in things like memory instrumentation. + System emulator CPUs -------------------- diff --git a/configure b/configure index 14581c1b9a..1bda6b3a3b 100755 --- a/configure +++ b/configure @@ -629,6 +629,9 @@ meson_option_parse() { exit 1 fi } +has_meson_option() { + test "${meson_options#*"$1"}" != "$meson_options" +} meson_add_machine_file() { if test "$cross_compile" = "yes"; then @@ -1048,8 +1051,12 @@ if test "$static" = "yes" ; then plugins="no" fi if test "$plugins" != "no" && test $host_bits -eq 64; then - plugins=yes - subdirs="$subdirs contrib/plugins" + if has_meson_option "-Dtcg_interpreter=true"; then + plugins="no" + else + plugins=yes + subdirs="$subdirs contrib/plugins" + fi fi cat > $TMPC << EOF
The softmmu memory instrumentation test sees so many more accesses than a normal translated host and its really not worth fixing up. Lets deprecate this odd configuration and save on the CI cycles. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> --- docs/about/deprecated.rst | 8 ++++++++ configure | 11 +++++++++-- 2 files changed, 17 insertions(+), 2 deletions(-)