On Friday, May 26, 2023, Khem Raj <[email protected]> wrote:
>
>
> On Thu, May 25, 2023 at 7:44 PM Max Krummenacher <[email protected]>
wrote:
>>
>> Hi Khem
>>
>> On Friday, May 26, 2023, Khem Raj <[email protected]> wrote:
>> > This will package the plugins built by perf into kernel specific dir
>> > under libdir, so it does not conflict with plugins from newly added
>> > libtraceevent recipe
>> >
>> > Fixes
>> > do_sdk_depends: The file
/usr/lib/traceevent/plugins/plugin_cfg80211.so is installed by both perf
and libtraceevent, aborting
>>
>> Starting with kernel version 6.4 libtraceevent is removed from the
kernel sources and perf depends of an externally provided libtraceevent
unless explicitely opted out.
>>
>> perf.bb with this patch will fail when built with a 6.4 kernel.
>
> Why will it fail ?
The file which sed works on, ${S}/tools/lib/traceevent/plugins/Makefile, no
longer exists.
>>
>> I guess as an interim solution building perf on 6.4 without traceevent
would fix the SDK issue you see with older kernels.
>> I could then try out how to build perf with an external libtraceevent
also for older kernels (LIBTRACEEVENT_DYNAMIC) so that it would work for
all kernel/perf versions.
>>
>> Regards
>> Max
>> >
>> > Signed-off-by: Khem Raj <[email protected]>
>> > Cc: Max Krummenacher <[email protected]>
>> > ---
>> > meta/recipes-kernel/perf/perf.bb | 4 +++-
>> > 1 file changed, 3 insertions(+), 1 deletion(-)
>> >
>> > diff --git a/meta/recipes-kernel/perf/perf.bb
b/meta/recipes-kernel/perf/perf.bb
>> > index 67b01a7f65a..d31f59f460b 100644
>> > --- a/meta/recipes-kernel/perf/perf.bb
>> > +++ b/meta/recipes-kernel/perf/perf.bb
>> > @@ -137,6 +137,8 @@ PERF_EXTRA_LDFLAGS:mipsarchn64el = "-m elf64ltsmip"
>> > do_compile() {
>> > # Linux kernel build system is expected to do the right thing
>> > unset CFLAGS
>> > + sed -i -e
's|\$(libdir)/traceevent/plugins|\$(libdir)/traceevent_${KERNEL_VERSION}/plugins|g'
${S}/tools/lib/traceevent/plugins/Makefile
>> > + sed -i -e
's|\$(libdir)/traceevent/plugins|\$(libdir)/traceevent_${KERNEL_VERSION}/plugins|g'
${S}/tools/perf/Makefile.config
>> > oe_runmake all
>> > }
>> >
>> > @@ -364,7 +366,7 @@ RSUGGESTS_SCRIPTING =
"${@bb.utils.contains('PACKAGECONFIG', 'scripting', '${PN}
>> > RSUGGESTS:${PN} += "${PN}-archive ${PN}-tests ${RSUGGESTS_SCRIPTING}"
>> >
>> > FILES_SOLIBSDEV = ""
>> > -FILES:${PN} += "${libexecdir}/perf-core
${exec_prefix}/libexec/perf-core ${libdir}/traceevent
${libdir}/libperf-jvmti.so"
>> > +FILES:${PN} += "${libexecdir}/perf-core
${exec_prefix}/libexec/perf-core ${libdir}/traceevent*
${libdir}/libperf-jvmti.so"
>> > FILES:${PN}-archive = "${libdir}/perf/perf-core/perf-archive"
>> > FILES:${PN}-tests = "${libdir}/perf/perf-core/tests
${libexecdir}/perf-core/tests"
>> > FILES:${PN}-python = " \
>> > --
>> > 2.40.1
>> >
>> >
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