On Tue, Jun 25, 2019 at 10:26:54PM +0530, Subhashini Rao Beerisetty wrote: Hi Subhashini, Please see inline, > Hi All, > > I’ve two Bluetooth dongles and connected to two Linux > systems(hostname1, hostname2). I’ve a test executable and it creates a > BT link does the file transfer and calculates the throughput. > Are these dongle supports classic mode or Ble? Which profile are you using to establish connection between these two? ( PAN, ..etc) > I repeated the same test with the same BT dongles on another > different Linux systems(hostname3, hostname4), here I’m getting less > data rate. > After inserting dongles to host are you getting serial interface /dev/tty* or hci interface ? If its hci interface ,you can use hcidump to see packets and check MTU size > Here first I want to narrow down whether the issue is below device > driver level or above device driver level and where the bottleneck is? > which tools will help me to debug this kind of issue? > I think before jumping into driver level ,its better to ensure all bluetooth parameters are same on both the setups. Thanks, Hariprasad k > Thanks > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
