Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752368AbdHSVqF (ORCPT ); Sat, 19 Aug 2017 17:46:05 -0400 Received: from mail-vk0-f53.google.com ([209.85.213.53]:35033 "EHLO mail-vk0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751606AbdHSVqD (ORCPT ); Sat, 19 Aug 2017 17:46:03 -0400 MIME-Version: 1.0 In-Reply-To: References: <1503134429-29063-1-git-send-email-illusionist.neo@gmail.com> <9d77730f-c6a8-b337-599e-5919207a7e0a@fb.com> From: Shubham Bansal Date: Sun, 20 Aug 2017 03:16:02 +0530 Message-ID: Subject: Re: [PATCH net-next v3] arm: eBPF JIT compiler To: Alexei Starovoitov Cc: Russell King - ARM Linux , David Miller , Network Development , Daniel Borkmann , linux-arm-kernel@lists.infradead.org, LKML , Kees Cook , Andrew Lunn Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6316 Lines: 146 Qemu is giving me different numbers different time. Another stats. With bpf_jit_enable set test_pkt_access:PASS:ipv4 271 nsec test_pkt_access:PASS:ipv6 297 nsec test_xdp:PASS:ipv4 961517 nsec <--- Here is the difference. test_xdp:PASS:ipv6 615855 nsec <--- Here is the difference. test_l4lb:PASS:ipv4 3049 nsec test_l4lb:PASS:ipv6 3906 nsec test_tcp_estats:PASS: 0 nsec test_bpf_obj_id:PASS:get-fd-by-notexist-prog-id 0 nsec test_bpf_obj_id:PASS:get-fd-by-notexist-map-id 0 nsec test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec test_bpf_obj_id:PASS:check total prog id found by get_next_id 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec test_bpf_obj_id:PASS:check total map id found by get_next_id 0 nsec test_pkt_md_access:PASS: 30459 nsec <--- Here is the difference. Summary: 30 PASSED, 0 FAILED On Sun, Aug 20, 2017 at 2:58 AM, Shubham Bansal wrote: > Here are numbers. > > Without any JIT enabled > > test_pkt_access:PASS:ipv4 1823 nsec > test_pkt_access:PASS:ipv6 1743 nsec > test_xdp:PASS:ipv4 769022 nsec > test_xdp:PASS:ipv6 15408 nsec > test_l4lb:PASS:ipv4 12441 nsec > test_l4lb:PASS:ipv6 18131 nsec > test_tcp_estats:PASS: 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-prog-id 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-map-id 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total prog id found by get_next_id 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total map id found by get_next_id 0 nsec > test_pkt_md_access:PASS: 5816 nsec > Summary: 30 PASSED, 0 FAILED > > With only bpf_jit_enable > > test_pkt_access:PASS:ipv4 263 nsec > test_pkt_access:PASS:ipv6 337 nsec > test_xdp:PASS:ipv4 1377212 nsec > test_xdp:PASS:ipv6 1290381 nsec > test_l4lb:PASS:ipv4 2689 nsec > test_l4lb:PASS:ipv6 3804 nsec > test_tcp_estats:PASS: 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-prog-id 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-map-id 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total prog id found by get_next_id 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total map id found by get_next_id 0 nsec > test_pkt_md_access:PASS: 41609 nsec > Summary: 30 PASSED, 0 FAILED > > > With bpf_jit_enable and bpf_jit_harden set > > test_pkt_access:PASS:ipv4 416 nsec > test_pkt_access:PASS:ipv6 509 nsec > test_xdp:PASS:ipv4 1512428 nsec > test_xdp:PASS:ipv6 962318 nsec > test_l4lb:PASS:ipv4 4135 nsec > test_l4lb:PASS:ipv6 5497 nsec > test_tcp_estats:PASS: 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-prog-id 0 nsec > test_bpf_obj_id:PASS:get-fd-by-notexist-map-id 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-map-info(fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-prog-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-prog-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total prog id found by get_next_id 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:get-map-fd(next_id) 0 nsec > test_bpf_obj_id:PASS:check get-map-info(next_id->fd) 0 nsec > test_bpf_obj_id:PASS:check total map id found by get_next_id 0 nsec > test_pkt_md_access:PASS: 24774 nsec > Summary: 30 PASSED, 0 FAILED > > -Shubham