[ECOS] cyg_hal_diag_mangler_gdb_putc vs. interrupt latency

Jonathan Larmour jlarmour@redhat.com
Thu Jan 17 05:05:00 GMT 2002

Jesper Skov wrote:
> So maybe you'd be better off just starting the application from RedBoot,
> which will cause the diag_printf output to be written raw to the serial
> line, without the GDB O-packetization (which is what's causing the long
> delays because GDB has to ACK each of these).

It's not a complete fix as interrupts may[1] be disabled for the call to
RedBoot too.


[1] definitely will if you have the TCP/IP stack in your configuration.
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine

More information about the Ecos-discuss mailing list