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Fri, 20 Feb 2026 09:31:33 -0800 (PST) Received: from lvondent-mobl5 ([72.188.211.115]) by smtp.gmail.com with ESMTPSA id a1e0cc1a2514c-94da8b3eefdsm77864241.9.2026.02.20.09.31.32 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Feb 2026 09:31:32 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 04/12] doc/btmon: Add a dedicated section for analyze mode Date: Fri, 20 Feb 2026 12:31:08 -0500 Message-ID: <20260220173120.3418666-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260220173120.3418666-1-luiz.dentz@gmail.com> References: <20260220173120.3418666-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Luiz Augusto von Dentz This adds a dedicated section for analyze mode. --- doc/btmon.rst | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/doc/btmon.rst b/doc/btmon.rst index d93aa34a9412..66a97859a49e 100644 --- a/doc/btmon.rst +++ b/doc/btmon.rst @@ -672,6 +672,43 @@ Bluetooth Core Specification, Volume 1, Part F. btmon decodes all of them automatically in ``Status:`` and ``Reason:`` fields. The source mapping is in ``monitor/packet.c`` (``error2str_table``). +ANALYZE MODE +============ + +The ``-a`` (``--analyze``) option reads a btsnoop file and produces a +statistical summary instead of the full decoded trace. + +Usage +----- + +.. code-block:: + + $ btmon -a hcidump.log + +Output Contents +--------------- + +Analyze mode reports, for each controller found in the trace: + +- **Packet counts**: Total HCI packets broken down by type (commands, + events, ACL, SCO, ISO, vendor diagnostics, system notes, user + logs, control messages). + +- **Per-connection statistics**: For each connection handle found: + + - Connection type (BR-ACL, LE-ACL, BR-SCO, BR-ESCO, LE-ISO) + - Device address + - TX and RX packet counts and completion counts + - Latency statistics (min, max, median) in milliseconds + - Packet size statistics (min, max, average) in octets + - Throughput estimate in Kb/s + +- **Per-channel statistics**: For each L2CAP channel within a + connection, the same packet/latency/size statistics. + +- **Latency plots**: If ``gnuplot`` is installed, ASCII-art latency + distribution plots are rendered in the terminal. + EXAMPLES ======== -- 2.52.0