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 <Harish.Sadineni@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
(cherry picked from commit
3e2f78fba9d259483311db5fa1101e3907549364)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
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