On Fri, Oct 18, 2019 at 04:48:25PM +0000, Andrii Nakryiko wrote: > On 10/18/19 3:34 AM, Jiri Olsa wrote: > > The bpftool interface stays the same, but now it's possible > > to run it over BTF raw data, like: > > Oh, great, I had similar patch laying around for a while, never got to > cleaning it up, though, so thanks for picking this up! > > > > > $ bpftool btf dump file /sys/kernel/btf/vmlinux > > libbpf: failed to get EHDR from /sys/kernel/btf/vmlinux > > We should implement this so that we don't get an extra log output with > errors. I've been thinking about checking first few bytes of the file. > If that matches BTF_MAGIC, then try to parse it as raw BTF, otherwise > parse as ELF w/ BTF. Does it make sense? ok, sounds good jirka
