On 4/24/24 16:36, Daniel Bristot de Oliveira wrote: > + retval = trace_set_buffer_size(&record->trace, params->buffer_size); This function appears on libtracefs from 1.6 up, so I need to update the minimum required lib version to 1.6. I will send a v2 of this patch only. Thanks jkacur for pointing it to me, it happens on fedora 38. -- Daniel