From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A4243CF6A for ; Mon, 11 Mar 2024 21:10:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710191429; cv=none; b=gbuO8kM+UYRhfDl6JDxnuhDnowYSFvfAEc+50yPxvnC01+2Ei2T46ZuHr/MTK5Z4fG3NBhl4VMLiM7xrDPKcxFn321sBg7rDCSj/DgCPv4umtzTPYyHnGWmbO4TSc9Tx9Cw6PoZAz9cMMtvEGriX7hUXhlYtDnsaRCHLWsdMRss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710191429; c=relaxed/simple; bh=tXdXGegJUj2reKoxdV6Go21eCT8WV624YS2KR8dAzgo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=A6eYhYHkxzQKtbV5w9vK1KG/jQjA3cOhRmm/sNmQrFhSYZXPlJrEsbG4DxMoCiHCB6f1YSus6p/krYgsfkPThi943SX4Pz4sLYIkcCKcz4wEJDvTfvip9morElU7VfhDgvFC8so4BxBFRBizSzx5k4ybOGW+9/bI5kACOx4CTEg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IOwA3Qr1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IOwA3Qr1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35E56C433C7; Mon, 11 Mar 2024 21:10:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710191429; bh=tXdXGegJUj2reKoxdV6Go21eCT8WV624YS2KR8dAzgo=; h=From:To:Cc:Subject:Date:From; b=IOwA3Qr1yxXCt4yW+R4/fR85Tpq1ZhlUWC+WnTYIPZmJMkyv784LQjHgsHM/ok3kF l1efZqUxQg1X59mz49b4cCBWBgx1dsA7h45XO0hHUqlxiWuSMWTnEniGCUnJFIKLJz 0nJ5EbEvZfJT66t+8MG0jh5SW3/SFns1e3KkXqcMitoHWwrMhIvG80JBY9/M5H2w+D 0SVC1wDLyiIR0HJCEdNIxANeWVuOWNGcZMDh9TbGwhz6dZgePVteLugsc6kccTdsqx MwHEoKFj5sCVKBnfiZ+Qq9RFFsO4ebEc0sT9RwwAxwzwqLkc1dpo+uYAg4U2EeC0bN +pp34952jwj6A== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , "Masami Hiramatsu (Google)" Subject: [PATCH bpf-next] selftests/bpf: Add kprobe multi triggering benchmarks Date: Mon, 11 Mar 2024 22:10:23 +0100 Message-ID: <20240311211023.590321-1-jolsa@kernel.org> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adding kprobe multi triggering benchmarks. It's useful now to bench new fprobe implementation and might be useful later as well. Signed-off-by: Jiri Olsa --- tools/testing/selftests/bpf/bench.c | 4 +++ .../selftests/bpf/benchs/bench_trigger.c | 32 +++++++++++++++++++ .../selftests/bpf/progs/trigger_bench.c | 14 ++++++++ 3 files changed, 50 insertions(+) diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 8e02645afe31..b2b4c391eb0a 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -496,6 +496,8 @@ extern const struct bench bench_trig_tp; extern const struct bench bench_trig_rawtp; extern const struct bench bench_trig_kprobe; extern const struct bench bench_trig_kretprobe; +extern const struct bench bench_trig_kprobe_multi; +extern const struct bench bench_trig_kretprobe_multi; extern const struct bench bench_trig_fentry; extern const struct bench bench_trig_fexit; extern const struct bench bench_trig_fentry_sleep; @@ -542,6 +544,8 @@ static const struct bench *benchs[] = { &bench_trig_rawtp, &bench_trig_kprobe, &bench_trig_kretprobe, + &bench_trig_kprobe_multi, + &bench_trig_kretprobe_multi, &bench_trig_fentry, &bench_trig_fexit, &bench_trig_fentry_sleep, diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index 3f24be9cfcb9..ace0d1011a8e 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -91,6 +91,18 @@ static void trigger_kretprobe_setup(void) attach_bpf(ctx.skel->progs.bench_trigger_kretprobe); } +static void trigger_kprobe_multi_setup(void) +{ + setup_ctx(); + attach_bpf(ctx.skel->progs.bench_trigger_kprobe_multi); +} + +static void trigger_kretprobe_multi_setup(void) +{ + setup_ctx(); + attach_bpf(ctx.skel->progs.bench_trigger_kretprobe_multi); +} + static void trigger_fentry_setup(void) { setup_ctx(); @@ -283,6 +295,26 @@ const struct bench bench_trig_kretprobe = { .report_final = hits_drops_report_final, }; +const struct bench bench_trig_kprobe_multi = { + .name = "trig-kprobe-multi", + .validate = trigger_validate, + .setup = trigger_kprobe_multi_setup, + .producer_thread = trigger_producer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_kretprobe_multi = { + .name = "trig-kretprobe-multi", + .validate = trigger_validate, + .setup = trigger_kretprobe_multi_setup, + .producer_thread = trigger_producer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + const struct bench bench_trig_fentry = { .name = "trig-fentry", .validate = trigger_validate, diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c index eb94f9c0186f..5fda43901033 100644 --- a/tools/testing/selftests/bpf/progs/trigger_bench.c +++ b/tools/testing/selftests/bpf/progs/trigger_bench.c @@ -40,6 +40,20 @@ int bench_trigger_kretprobe(void *ctx) return 0; } +SEC("kprobe.multi/" SYS_PREFIX "sys_getpgid") +int bench_trigger_kprobe_multi(void *ctx) +{ + __sync_add_and_fetch(&hits, 1); + return 0; +} + +SEC("kretprobe.multi/" SYS_PREFIX "sys_getpgid") +int bench_trigger_kretprobe_multi(void *ctx) +{ + __sync_add_and_fetch(&hits, 1); + return 0; +} + SEC("fentry/" SYS_PREFIX "sys_getpgid") int bench_trigger_fentry(void *ctx) { -- 2.44.0