On Fri, Feb 15, 2019 at 01:53:53PM -0800, Song Liu wrote: > This patch enables the annotation of bpf program. > > A new dso type DSO_BINARY_TYPE__BPF_PROG_INFO is introduced to for BPF > programs. In symbol__disassemble(), DSO_BINARY_TYPE__BPF_PROG_INFO dso > calls into a new function symbol__disassemble_bpf(), where annotation > line information is filled based bpf_prog_info and btf saved in given > perf_env. > > symbol__disassemble_bpf() uses libbfd to disassemble bpf programs. > > Signed-off-by: Song Liu <songliubrav...@fb.com> > --- > tools/perf/Makefile.config | 6 +- > tools/perf/util/annotate.c | 149 +++++++++++++++++++++++++++++++++++- > tools/perf/util/bpf-event.c | 48 ++++++++++++ > tools/perf/util/bpf-event.h | 4 + > tools/perf/util/dso.c | 1 + > tools/perf/util/dso.h | 33 +++++--- > tools/perf/util/symbol.c | 1 + > 7 files changed, 229 insertions(+), 13 deletions(-) > > diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config > index b441c88cafa1..ab223239f1fb 100644 > --- a/tools/perf/Makefile.config > +++ b/tools/perf/Makefile.config > @@ -701,7 +701,7 @@ else > endif > > ifeq ($(feature-libbfd), 1) > - EXTLIBS += -lbfd > + EXTLIBS += -lbfd -lopcodes
hum, what's this -lopcodes lib? please add it in a separate patch and explain why it's added and how it affects others it looks like it could break some distros without that lib jirka
