Re: [PATCH] bpf: Add bpf_ktime_get_real_ns

2020-08-18 Thread Daniel Xu
Hi Maciej, On Tue Aug 18, 2020 at 2:19 PM PDT, Maciej Żenczykowski wrote: > On Tue, Aug 18, 2020 at 2:11 PM Daniel Xu wrote: > > > > On Mon Jul 27, 2020 at 10:01 PM PDT, Andrii Nakryiko wrote: > > > On Mon, Jul 27, 2020 at 4:35 PM wrote: > > >

Re: [PATCH] bpf: Add bpf_ktime_get_real_ns

2020-08-18 Thread Daniel Xu
On Mon Jul 27, 2020 at 10:01 PM PDT, Andrii Nakryiko wrote: > On Mon, Jul 27, 2020 at 4:35 PM wrote: > > > > From: Ashkan Nikravesh > > > > The existing bpf helper functions to get timestamp return the time > > elapsed since system boot. This timestamp is not particularly useful > > where epoch t

Re: [PATCH bpf-next] libbpf: Export bpf_object__load_vmlinux_btf

2020-05-27 Thread Daniel Xu
Hi Andrii, On Tue May 26, 2020 at 3:09 PM PST, Andrii Nakryiko wrote: > On Tue, May 26, 2020 at 7:09 PM Daniel Xu wrote: > > > > Right now the libbpf model encourages loading the entire object at once. > > In this model, libbpf handles loading BTF from vmlinux for us. H

[PATCH bpf-next] libbpf: Export bpf_object__load_vmlinux_btf

2020-05-26 Thread Daniel Xu
perviously no way to load BTF on-demand. This commit exports the bpf_object__load_vmlinux_btf such that we are able to load BTF on demand. Signed-off-by: Daniel Xu --- tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf.h | 1 + tools/lib/bpf/libbpf.map | 1 + 3 files changed, 3 insertions(+), 1