From: Harish Sadineni <[email protected]>
In Qemu Running "/usr/share/bcc/tools/runqlat 1 5" gives following error:-
libbpf: kernel BTF is missing at '/sys/kernel/btf/vmlinux', was
CONFIG_DEBUG_INFO_BTF enabled?
libbpf: failed to find valid kernel BTF
modprobe: FATAL: Module kheaders not found in directory
/lib/modules/6.10.14-yocto-standard
Unable to find kernel headers. Try rebuilding kernel with CONFIG_IKHEADERS=m
(module) or installing
the kernel development package for your running kernel version.
chdir(/lib/modules/6.10.14-yocto-standard/build): No such file or directory
Traceback (most recent call last):
File "/usr/share/bcc/tools/./runqlat", line 293, in <module>
b = BPF(text=bpf_text)
File "/usr/lib/python3.13/site-packages/bcc/__init__.py", line 479, in
__init__
raise Exception("Failed to compile BPF module %s" % (src_file or "<text>"))
the following patch fixes the error.
BCC test summary for x86_64:
Before applying the patch:
TOTAL: 95
PASS: 29
FAIL: 66
After applying the patch:
TOTAL: 95
PASS: 79
FAIL: 16
50 new test cases passed
Signed-off-by: Harish Sadineni <[email protected]>
Signed-off-by: Mathieu Dubois-Briand <[email protected]>
(cherry picked from commit 3e2f78fba9d259483311db5fa1101e3907549364)
Signed-off-by: Steve Sakoman <[email protected]>
---
meta/recipes-kernel/linux/linux-yocto_6.10.bb | 1 +
1 file changed, 1 insertion(+)
diff --git a/meta/recipes-kernel/linux/linux-yocto_6.10.bb
b/meta/recipes-kernel/linux/linux-yocto_6.10.bb
index 3718077ea9..1d5b8af337 100644
--- a/meta/recipes-kernel/linux/linux-yocto_6.10.bb
+++ b/meta/recipes-kernel/linux/linux-yocto_6.10.bb
@@ -64,6 +64,7 @@ KERNEL_FEATURES:append:qemux86-64=" cfg/sound.scc
cfg/paravirt_kvm.scc"
KERNEL_FEATURES:append = " ${@bb.utils.contains("TUNE_FEATURES", "mx32", "
cfg/x32.scc", "", d)}"
KERNEL_FEATURES:append = " ${@bb.utils.contains("DISTRO_FEATURES", "ptest", "
features/scsi/scsi-debug.scc features/nf_tables/nft_test.scc", "", d)}"
KERNEL_FEATURES:append = " ${@bb.utils.contains("DISTRO_FEATURES", "ptest", "
features/gpio/mockup.scc features/gpio/sim.scc", "", d)}"
+KERNEL_FEATURES:append = " ${@bb.utils.contains("KERNEL_DEBUG", "True", "
features/reproducibility/reproducibility.scc features/debug/debug-btf.scc", "",
d)}"
# libteam ptests from meta-oe needs it
KERNEL_FEATURES:append = " ${@bb.utils.contains("DISTRO_FEATURES", "ptest", "
features/net/team/team.scc", "", d)}"
# openl2tp tests from meta-networking needs it
--
2.43.0
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