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authorIngo Molnar <mingo@kernel.org>2019-12-17 12:28:02 +0100
committerIngo Molnar <mingo@kernel.org>2019-12-17 12:28:02 +0100
commit57e04eeda515ee979fec3bc3d64c408feae18acc (patch)
treef18d4d0885211ee7bd543a2363c035a290037556 /scripts/link-vmlinux.sh
parentMerge tag 'perf-urgent-for-mingo-5.5-20191205' of git://git.kernel.org/pub/sc... (diff)
parentperf vendor events s390: Remove name from L1D_RO_EXCL_WRITES description (diff)
downloadlinux-57e04eeda515ee979fec3bc3d64c408feae18acc.tar.gz
linux-57e04eeda515ee979fec3bc3d64c408feae18acc.zip
Merge tag 'perf-urgent-for-mingo-5.5-20191216' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes: perf top: Arnaldo Carvalho de Melo: - Do not bail out when perf_env__read_cpuid() returns ENOSYS, which has been reported happening on aarch64. perf metricgroup: Kajol Jain: - Fix printing event names of metric group with multiple events vendor events: x86: Ravi Bangoria: - Fix Kernel_Utilization metric. s390: Ed Maste: - Fix counter long description for DTLB1_GPAGE_WRITES and L1D_RO_EXCL_WRITES. perf header: Michael Petlan: - Fix false warning when there are no duplicate cache entries libtraceevent: Sudip Mukherjee: - Allow custom libdir path API headers: Arnaldo Carvalho de Melo: - Sync linux/kvm.h with the kernel sources. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/link-vmlinux.sh')
-rwxr-xr-xscripts/link-vmlinux.sh8
1 files changed, 7 insertions, 1 deletions
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 06495379fcd8..436379940356 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -127,7 +127,9 @@ gen_btf()
cut -d, -f1 | cut -d' ' -f2)
bin_format=$(LANG=C ${OBJDUMP} -f ${1} | grep 'file format' | \
awk '{print $4}')
- ${OBJCOPY} --dump-section .BTF=.btf.vmlinux.bin ${1} 2>/dev/null
+ ${OBJCOPY} --change-section-address .BTF=0 \
+ --set-section-flags .BTF=alloc -O binary \
+ --only-section=.BTF ${1} .btf.vmlinux.bin
${OBJCOPY} -I binary -O ${bin_format} -B ${bin_arch} \
--rename-section .data=.BTF .btf.vmlinux.bin ${2}
}
@@ -253,6 +255,10 @@ btf_vmlinux_bin_o=""
if [ -n "${CONFIG_DEBUG_INFO_BTF}" ]; then
if gen_btf .tmp_vmlinux.btf .btf.vmlinux.bin.o ; then
btf_vmlinux_bin_o=.btf.vmlinux.bin.o
+ else
+ echo >&2 "Failed to generate BTF for vmlinux"
+ echo >&2 "Try to disable CONFIG_DEBUG_INFO_BTF"
+ exit 1
fi
fi