From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; dkim=pass header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Rl9R4i1w; arc=none (Message is not ARC signed); dmarc=pass (Used From Domain Record) header.from=redhat.com policy.dmarc=quarantine Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mail.toke.dk (Postfix) with ESMTPS id 7009214C54A8 for ; Tue, 18 Aug 2026 09:12:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1787037157; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LvWjPvK371peSiIq3ZLDrTkLQuDEZ/Dbu9hLZ6wzFUc=; b=Rl9R4i1wqcThsjnvgawjjU8uaKoSxMg9KCeCkr22XZ8i93U/ru1QL/ISEsZWuQghbpRp8W Zv3FkqwE7HiKxwz2r9YJoi79oxg8QiHw1ZQO5yzS8Iu2h6yFsA3a0J+4Z100lgf4csNByD vPP648JaS7GNVuGhLKrgN5jx8VA0EBU= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-658-p3vK9kZXNimqMvpnsYT8FQ-1; Tue, 18 Aug 2026 03:12:35 -0400 X-MC-Unique: p3vK9kZXNimqMvpnsYT8FQ-1 X-Mimecast-MFC-AGG-ID: p3vK9kZXNimqMvpnsYT8FQ_1787037154 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-4955e865174so22371495e9.3 for ; Tue, 18 Aug 2026 00:12:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787037154; x=1787641954; h=content-type:mime-version:message-id:date:references:in-reply-to :subject:cc:to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to:content-type; bh=LvWjPvK371peSiIq3ZLDrTkLQuDEZ/Dbu9hLZ6wzFUc=; b=rFuZxHAVEt8h37lSQkJRBOCBKskGrhoSMD5ExF9epbcGSuRXJv0jllEfSkR1ZgY4On PQ853od/lk96FuDBPMh5My86QNvPgTtShzPjkpZhcEwlVP9zQGtvWqDJRnHFjQyLtkrQ DvMPxJY3ipXtzS+tygpZqEDKx1584TTSGnfyMNOg+pWHvG2IKzPQfr/CnJ7GBKP2IQPm sGI6wrFfYEoE0mbGT3p36rlpGbMA7716AdED8G4GJ87wuUCzKUDwbw6OorYjc+uDky3A 9Ewe585fenlIhyS0W5mlZLO/Sf4DN/6QB8/dM2bYb8r6jNenrIcO58anCqlUX2JNPtMQ KUTg== X-Gm-Message-State: AOJu0Yyx/MQ6YyJT5NsQlOUVmJdLLUTQtE/w1jAACPjRMn+G+PuMHo0h 37SAHxWBUXE90C8xWTf2IpDJcskLU5NIqwSplwkuYI+96iKfKn30zGfw+cl8OV83KuwacZH0imF BxNaAZbYAdUuxQpLhVlTWJGVprlWm8lSsjMk/byGMxAoBlplmqLIkg2ybyLEwN1eh X-Gm-Gg: AR+sD13sPll+bOG79rG2+lbmKhxqXTzY7zV6ZffMAg0m53/ueO9jwFSqJM9Mm3J7JGW UBiBVfhF3Qa8QkcTZyZ+pU9MJnjVOl9LTwyBVFOLZ3Fo9OHnKyTOQYbZjsiwwSdTDFb0X/elqnl PDDRblZKHJjRp9rgYT/n3zJnskWTawo+Ar4TXjvXyH+VGWA4rgFK9dUwhGujAghjK3P1JtFerh8 I54LDzs7tF4MgAMUEcdbpr+lWz3fEme8sSKifyMAgfcxW1zsePfSNcgbqU+vW/xcK4KaUaoBwNP hwopEPeBaDDjZ0xxNjKXCPIRS82pQbPKwY4aXuRzaGMcq014w40OoVv6efkEzX6eCcMaEwjOTQv x8ju+2c8sF8/DKLauQ6ZytNfw X-Received: by 2002:a05:600c:8714:b0:499:49f3:77b1 with SMTP id 5b1f17b1804b1-49987938551mr535057395e9.3.1787037154046; Tue, 18 Aug 2026 00:12:34 -0700 (PDT) X-Received: by 2002:a05:600c:8714:b0:499:49f3:77b1 with SMTP id 5b1f17b1804b1-49987938551mr535056595e9.3.1787037153645; Tue, 18 Aug 2026 00:12:33 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4999d0876b8sm157624875e9.8.2026.08.18.00.12.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2026 00:12:32 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 2327791AC31; Tue, 18 Aug 2026 09:12:32 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Frantisek Borsik , Kathleen Nichols Cc: bloat , simon.sundberg@kau.se In-Reply-To: References: X-Clacks-Overhead: GNU Terry Pratchett Date: Tue, 18 Aug 2026 09:12:32 +0200 Message-ID: <87bjazaom7.fsf@toke.dk> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: YPwBX4HkSjsMEa59ag_jQqllkKdEZHnj64Jtmd6p46Q_1787037154 X-Mimecast-Originator: redhat.com Content-Type: text/plain Message-ID-Hash: 4C73MKGK7MHTLVSR7MDQMW47EZRUBSDM X-Message-ID-Hash: 4C73MKGK7MHTLVSR7MDQMW47EZRUBSDM X-MailFrom: toke@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Subject: [Bloat] Re: links to work that supersedes pping? List-Id: General list for discussing Bufferbloat Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Frantisek Borsik writes: > Hey Kathie, > > Thanks for all the work! We have started with pping at LibreQoS back then <3 > > What I recall of top of my head, it's epping from Simon (in CC) > > https://datatracker.ietf.org/meeting/116/materials/slides-116-maprg-efficient-continuous-latency-monitoring-with-ebpf > https://research.redhat.com/blog/article/passive-network-monitoring-with-ebpf/ And the code lives here: https://github.com/xdp-project/bpf-examples/tree/main/pping -Toke