netdev - Re: pull-request: bpf-next 2020-03-13

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Message-Id: <20200313.205245.1784180892104180860.davem@davemloft.net>
Date:   Fri, 13 Mar 2020 20:52:45 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     daniel@...earbox.net
Cc:     kuba@...nel.org, ast@...nel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: pull-request: bpf-next 2020-03-13

From: Daniel Borkmann <daniel@...earbox.net>
Date: Sat, 14 Mar 2020 00:35:01 +0100

> The following pull-request contains BPF updates for your *net-next* tree.
> 
> We've added 86 non-merge commits during the last 12 day(s) which contain
> a total of 107 files changed, 5771 insertions(+), 1700 deletions(-).
> 
> The main changes are:
 ...
> 4) Introduce a new bpftool 'prog profile' command which attaches to existing
>    BPF programs via fentry and fexit hooks and reads out hardware counters
>    during that period, from Song Liu. Example usage:
> 
>    bpftool prog profile id 337 duration 3 cycles instructions llc_misses
> 
>         4228 run_cnt
>      3403698 cycles                                              (84.08%)
>      3525294 instructions   #  1.04 insn per cycle               (84.05%)
>           13 llc_misses     #  3.69 LLC misses per million isns  (83.50%)

This is so awesome...

 ...
> Please consider pulling these changes from:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git

Pulled, thanks!