Messages in this thread | | | From | Namhyung Kim <> | Date | Sun, 17 Feb 2019 23:58:16 +0900 | Subject | Re: [PATCH v3 perf,bpf 08/11] perf, bpf: save btf information as headers to perf.data |
| |
Hi,
On Sat, Feb 16, 2019 at 6:55 AM Song Liu <songliubraving@fb.com> wrote: > > This patch enables perf-record to save btf information as headers to > perf.data A new header type HEADER_BTF is introduced for this data. > > Signed-off-by: Song Liu <songliubraving@fb.com> > ---
[SNIP] > +static void print_btf(struct feat_fd *ff, FILE *fp) > +{ > + struct perf_env *env = &ff->ph->env; > + struct rb_root *root; > + struct rb_node *next; > + > + down_read(&env->bpf_progs.bpf_info_lock); > + > + root = &env->bpf_progs.btfs; > + next = rb_first(root); > + > + while (next) { > + struct btf_node *node; > + > + node = rb_entry(next, struct btf_node, rb_node); > + next = rb_next(&node->rb_node); > + fprintf(fp, "# bpf_prog_info of id %u\n", node->id);
How about saying it's "btf" info?
Thanks, Namhyung
> + } > + > + up_read(&env->bpf_progs.bpf_info_lock); > +}
| |