Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1186419 > unrolled thread
| Started by | Alexei Starovoitov <ast@plumgrid.com> |
|---|---|
| First post | 2015-07-17 06:20 +0200 |
| Last post | 2015-07-17 06:20 +0200 |
| Articles | 1 — 1 participant |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event Alexei Starovoitov <ast@plumgrid.com> - 2015-07-17 06:20 +0200
| From | Alexei Starovoitov <ast@plumgrid.com> |
|---|---|
| Date | 2015-07-17 06:20 +0200 |
| Subject | Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event |
| Message-ID | <pN5hU-2OF-5@gated-at.bofh.it> |
On 7/14/15 4:54 AM, He Kuang wrote: >> I'm not sure llvm generates proper dwarf along with bpf code (I didn't >> test that part. If there are any issues they should be fixable. If you >> can prepapre a patch for llvm that would be even better :) >> > > I found objdump can't get dwarf info from bpf object file: > > $ objdump --dwarf=info bpf.o > bpf.o: file format elf64-little > > $ readelf -a bpf.o |grep debug_info > <EMPTY> yeah. looks like this part is not working. Interesting that when I do: clang -O2 -target bpf a.c -g -S there is some minimal debug info in the .s, but .o lacks debuginfo completely. Digging further... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to top | Article view | linux.kernel
csiph-web