BTMON - Online Linux Manual PageSection : 1
Updated : April 2021
Source : BlueZ
Note : Linux System Administration
NAMEbtmon − Bluetooth monitor
SYNOPSYSbtmon [OPTIONS ...]
DESCRIPTIONThe btmon(1) command provides access to the Bluetooth subsystem monitor infrastructure for reading HCI traces.
OPTIONS −r FILE, −−read FILE Read traces in btsnoop format from FILE. −w FILE, −−write FILE Save traces in btsnoop format to FILE. −a FILE, −−analyze FILE Analyze traces in btsnoop format from FILE. It displays the devices found in the FILE with its packets by type. −s SOCKET, −−server SOCKET Start monitor server socket. −p PRIORITY, −−priority PRIORITY Show only priority or lower for user log. PRIORITY NAME 3 Error 4 Warning 6 Information (Default) 7 Debug. debug can be used. −i NUM, −−index NUM Show only specified controller. hciNUM is also acceptable. This is useful to capture the traces from the specific controller when the multiple controllers are presented. −d TTY, −−tty TTY Read data from TTY. −B SPEED, −−rate SPEED Set TTY speed. The default SPEED is 115300 −V COMPID, −−vendor COMPID Set the default company identifier. The COMPID is a unique number assigned by the Bluetooth SIG to a member company and can be found/searched from the Bluetooth SIG webpage. For example, Intel is 2 and Realtek is 93. −M, −−mgmt Open channel for mgmt events. −t, −−time Show a time instead of time offset. −T, −−date Show a time and date information instead of time offset. −S, −−sco Dump SCO traffic in raw hex format. −A, −−a2dp Dump A2DP stream traffic in a raw hex format. −E IP, −−ellisys IP Send Ellisys HCI Injection. −P, −−no−pager Disable pager usage while reading the log file. −J OPTIONS, −−jlink OPTIONS Read data from RTT. Each options are comma(,) seprated without spaces. OPTIONS Description DEVICE Required. Set the target device. SERIALNO (Optional) Set the USB serial number. Default is 0. INTERFACE (Optional) Target interface. Default is swd. SPEED (Optional) Set target interface speed in kHz. Default is 1000. −R OPTIONS, −−rtt OPTIONS RTT control block parameters. Each options are comma(,) seprated without spaces. OPTIONS Description ADDRESS (Optional) Address of RTT buffer. Default is 0x00 AREA (Optional) Size of range to search in RTT buffer. Default is 0 NAME (Optional) Buffer name. Default is btmonitor −C WIDTH, −−columns WIDTH Output width if not a terminal −c MODE, −−color MODE Set output color. The possible MODE values are: auto|always|never. Default value is auto −v, −−version Show version −h, −−help Show help options
EXAMPLES
Capture the traces from hci0 to hcidump.log file $ btmon −i hci0 −w hcidump.log
Open the trace file $ btmon −r hcidump.log
RESOURCEShttp://www.bluez.org
REPORTING BUGSlinux−bluetooth@vger.kernel.org
AUTHORMarcel Holtmann <marcel@holtmann.org>, Tedd Ho-Jeong An <tedd.an@intel.com>
COPYRIGHTFree use of this software is granted under ther terms of the GNU Lesser General Public Licenses (LGPL). 0
Johanes Gumabo
Data Size : 25,169 byte
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