From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, davem@davemloft.net,
ast@kernel.org, daniel@iogearbox.net, toke@redhat.com,
lorenzo.bianconi@redhat.com, dsahern@kernel.org,
andrii.nakryiko@gmail.com, brouer@redhat.com
Subject: Re: [PATCH v3 bpf-next 8/9] samples/bpf: xdp_redirect_cpu: load a eBPF program on cpumap
Date: Wed, 24 Jun 2020 11:00:39 +0200 [thread overview]
Message-ID: <20200624110039.75d05bba@carbon> (raw)
In-Reply-To: <cba75456c04b1df529c20d5a94092fb1011c0628.1592947694.git.lorenzo@kernel.org>
On Tue, 23 Jun 2020 23:39:33 +0200
Lorenzo Bianconi <lorenzo@kernel.org> wrote:
> Extend xdp_redirect_cpu_{usr,kern}.c adding the possibility to load
> a XDP program on cpumap entries. The following options have been added:
> - mprog-name: cpumap entry program name
> - mprog-filename: cpumap entry program filename
> - redirect-device: output interface if the cpumap program performs a
> XDP_REDIRECT to an egress interface
> - redirect-map: bpf map used to perform XDP_REDIRECT to an egress
> interface
> - mprog-disable: disable loading XDP program on cpumap entries
>
> Add xdp_pass, xdp_drop, xdp_redirect stats accounting
>
> Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Example command and output:
sudo ./xdp_redirect_cpu --dev i40e2 --qsize 64 --cpu 2 --prog xdp_cpu_map0 \
--mprog-filename xdp1_kern.o --mprog-name xdp1
Running XDP/eBPF prog_name:xdp_cpu_map0
XDP-cpumap CPU:to pps drop-pps extra-info
XDP-RX 4 17,904,077 0 0
XDP-RX total 17,904,077 0
cpumap-enqueue 4:2 17,904,076 418,122 8.00 bulk-average
cpumap-enqueue sum:2 17,904,076 418,122 8.00 bulk-average
cpumap_kthread 2 17,485,954 0 35,139 sched
cpumap_kthread total 17,485,954 0 35,139 sched-sum
redirect_err total 0 0
xdp_exception total 0 0
2nd remote XDP/eBPF prog_name: xdp1
XDP-cpumap CPU:to xdp-pass xdp-drop xdp-redir
xdp-in-kthread 2 0 17,485,955 0
xdp-in-kthread total 0 17,485,955 0
Another example, where RSS is deliberately setup to only hit CPU-0.
$ sudo ./xdp_redirect_cpu --dev i40e2 --qsize 192 --cpu 2 --cpu 3 --cpu 4 \
--prog xdp_cpu_map5_lb_hash_ip_pairs \
--mprog-name xdp_redirect --redirect-device mlx5p1 --redirect-map tx_port
Running XDP/eBPF prog_name:xdp_cpu_map5_lb_hash_ip_pairs
XDP-cpumap CPU:to pps drop-pps extra-info
XDP-RX 0 10,603,984 0 0
XDP-RX total 10,603,984 0
cpumap-enqueue 0:2 3,539,815 0 6.88 bulk-average
cpumap-enqueue sum:2 3,539,815 0 6.88 bulk-average
cpumap-enqueue 0:3 3,554,091 0 6.88 bulk-average
cpumap-enqueue sum:3 3,554,091 0 6.88 bulk-average
cpumap-enqueue 0:4 3,510,076 84 6.87 bulk-average
cpumap-enqueue sum:4 3,510,076 84 6.87 bulk-average
cpumap_kthread 2 3,539,817 0 91,310 sched
cpumap_kthread 3 3,554,101 0 93,604 sched
cpumap_kthread 4 3,509,991 0 92,893 sched
cpumap_kthread total 10,603,910 0 277,809 sched-sum
redirect_err total 0 0
xdp_exception total 0 0
2nd remote XDP/eBPF prog_name: xdp_redirect
XDP-cpumap CPU:to xdp-pass xdp-drop xdp-redir
xdp-in-kthread 2 0 0 3,539,818
xdp-in-kthread 3 0 0 3,554,101
xdp-in-kthread 4 0 0 3,509,991
xdp-in-kthread total 0 0 10,603,910
More performance test examples can be found here:
https://github.com/xdp-project/xdp-project/blob/master/areas/cpumap/cpumap04-map-xdp-prog.org
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2020-06-24 9:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 21:39 [PATCH v3 bpf-next 0/9] introduce support for XDP programs in CPUMAP Lorenzo Bianconi
2020-06-23 21:39 ` [PATCH v3 bpf-next 1/9] cpumap: use non-locked version __ptr_ring_consume_batched Lorenzo Bianconi
2020-06-23 21:39 ` [PATCH v3 bpf-next 2/9] net: Refactor xdp_convert_buff_to_frame Lorenzo Bianconi
2020-06-24 8:06 ` Jesper Dangaard Brouer
2020-06-23 21:39 ` [PATCH v3 bpf-next 3/9] samples/bpf: xdp_redirect_cpu_user: do not update bpf maps in option loop Lorenzo Bianconi
2020-06-23 21:39 ` [PATCH v3 bpf-next 4/9] cpumap: formalize map value as a named struct Lorenzo Bianconi
2020-06-24 8:08 ` Jesper Dangaard Brouer
2020-06-23 21:39 ` [PATCH v3 bpf-next 5/9] bpf: cpumap: add the possibility to attach an eBPF program to cpumap Lorenzo Bianconi
2020-06-24 8:12 ` Jesper Dangaard Brouer
2020-06-23 21:39 ` [PATCH v3 bpf-next 6/9] bpf: cpumap: implement XDP_REDIRECT for eBPF programs attached to map entries Lorenzo Bianconi
2020-06-24 8:32 ` Jesper Dangaard Brouer
2020-06-23 21:39 ` [PATCH v3 bpf-next 7/9] libbpf: add SEC name for xdp programs attached to CPUMAP Lorenzo Bianconi
2020-06-24 5:49 ` Andrii Nakryiko
2020-06-24 8:36 ` Jesper Dangaard Brouer
2020-06-24 14:29 ` Alexei Starovoitov
2020-06-25 14:26 ` [PATCH bpf] libbpf: adjust SEC short cut for expected attach type BPF_XDP_DEVMAP Jesper Dangaard Brouer
2020-06-25 16:58 ` Andrii Nakryiko
2020-06-25 21:12 ` Daniel Borkmann
2020-06-23 21:39 ` [PATCH v3 bpf-next 8/9] samples/bpf: xdp_redirect_cpu: load a eBPF program on cpumap Lorenzo Bianconi
2020-06-24 9:00 ` Jesper Dangaard Brouer [this message]
2020-06-23 21:39 ` [PATCH v3 bpf-next 9/9] selftest: add tests for XDP programs in CPUMAP entries Lorenzo Bianconi
2020-06-24 5:51 ` Andrii Nakryiko
2020-06-24 15:37 ` Lorenzo Bianconi
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