[dpdk-dev] No telemetry legacy support print

[Thomas Monjalon]

22/05/2020 09:47, David Marchand:
> On Fri, May 22, 2020 at 9:15 AM Jerin Kollanukkaran <jerinj at marvell.com> wrote:
> >
> > "No telemetry legacy support " prints pops up on all the default dpdk applications now.
> > Is it worth to print? Since it using direct 'printf', we cannot even disable through dynamic logging.
> > Is possible to remove that print at least, if non legacy telemetry init is successful.
> > Thoughts?
> 
> This init function is odd as it calls printf in error and warning
> cases and sets an error string when it succeeds.
> Let's remove the two printf in this init function.
> 
> If we really care about the warning message, we have to initialise
> *err_str to NULL (+ this must be described in the function prototype).
> In EAL init, we can then add a rte_eal_init_alert with the error
> string when telemetry init fails and maybe a warning message if
> err_str != NULL.

There are 5 printf in telemetry.
The definitive fix should be to split EAL:
- 1 low-level layer offering arch and OS support, including early logs.
- 1 high-level layer including configuration parsing and rte_eal_init().