From: Martin Lau <kafai@fb.com>
To: Roman Gushchin <guroan@gmail.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Kernel Team <Kernel-team@fb.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yonghong Song <yhs@fb.com>, Roman Gushchin <guro@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>
Subject: Re: [PATCH v2 bpf-next 2/3] bpf: add bpffs pretty print for cgroup local storage maps
Date: Tue, 11 Dec 2018 17:16:12 +0000 [thread overview]
Message-ID: <20181211171610.z4cym255ai42acip@kafai-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20181210234302.31327-3-guro@fb.com>
On Mon, Dec 10, 2018 at 03:43:01PM -0800, Roman Gushchin wrote:
> Implement bpffs pretty printing for cgroup local storage maps
> (both shared and per-cpu).
> Output example (captured for tools/testing/selftests/bpf/netcnt_prog.c):
>
> Shared:
> $ cat /sys/fs/bpf/map_2
> # WARNING!! The output is for debug purpose only
> # WARNING!! The output format will change
> {4294968594,1}: {9999,1039896}
>
> Per-cpu:
> $ cat /sys/fs/bpf/map_1
> # WARNING!! The output is for debug purpose only
> # WARNING!! The output format will change
> {4294968594,1}: {
> cpu0: {0,0,0,0,0}
> cpu1: {0,0,0,0,0}
> cpu2: {1,104,0,0,0}
> cpu3: {0,0,0,0,0}
> }
Acked-by: Martin KaFai Lau <kafai@fb.com>
next prev parent reply other threads:[~2018-12-11 17:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-10 23:42 [PATCH v2 bpf-next 0/3] bpffs pretty print for cgroup local storage Roman Gushchin
2018-12-10 23:43 ` [PATCH v2 bpf-next 1/3] bpf: pass struct btf pointer to the map_check_btf() callback Roman Gushchin
2018-12-10 23:43 ` [PATCH v2 bpf-next 2/3] bpf: add bpffs pretty print for cgroup local storage maps Roman Gushchin
2018-12-11 17:16 ` Martin Lau [this message]
2018-12-10 23:43 ` [PATCH v2 bpf-next 3/3] selftests/bpf: add btf annotations for cgroup_local_storage maps Roman Gushchin
2018-12-11 17:18 ` Martin Lau
2018-12-12 9:56 ` [PATCH v2 bpf-next 0/3] bpffs pretty print for cgroup local storage Daniel Borkmann
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