Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
HMM_SOURCE_IP: 10.64.8.31:43882.1165221160
HMM_ATTACHE_NUM: 0000
HMM_SOURCE_TYPE: SMTP
Received: from clientip-123.150.8.43 (unknown [10.64.8.31])
        by 189.cn (HERMES) with SMTP id 97FC1100226;
        Thu, 14 Apr 2022 17:00:11 +0800 (CST)
Received: from  ([123.150.8.43])
        by gateway-153622-dep-749df8664c-cv9r2 with ESMTP id 74a86b6b571a4cd2ac806d568bb29da3 for ast@kernel.org;
        Thu, 14 Apr 2022 17:00:12 CST
X-Transaction-ID: 74a86b6b571a4cd2ac806d568bb29da3
X-Real-From: chensong_2000@189.cn
X-Receive-IP: 123.150.8.43
X-MEDUSA-Status: 0
Sender: chensong_2000@189.cn
From:   Song Chen <chensong_2000@189.cn>
To:     ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
        kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
        john.fastabend@gmail.com, kpsingh@kernel.org,
        netdev@vger.kernel.org, bpf@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Song Chen <chensong_2000@189.cn>
Subject: [RFC PATCH 0/1] sample: bpf: introduce irqlat
Date:   Thu, 14 Apr 2022 17:07:20 +0800
Message-Id: <1649927240-18991-1-git-send-email-chensong_2000@189.cn>
X-Mailer: git-send-email 2.7.4
X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,
        FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,SPF_HELO_PASS,SPF_PASS,
        T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

I'm planning to implement a couple of ebpf tools for preempt rt,
including irq latency, preempt latency and so on, how does it sound
to you?

Song Chen (1):
  sample: bpf: introduce irqlat

 samples/bpf/.gitignore    |   1 +
 samples/bpf/Makefile      |   5 ++
 samples/bpf/irqlat_kern.c |  81 ++++++++++++++++++++++++++++++
 samples/bpf/irqlat_user.c | 100 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 187 insertions(+)
 create mode 100644 samples/bpf/irqlat_kern.c
 create mode 100644 samples/bpf/irqlat_user.c

-- 
2.25.1