On 2020/05/13 15:26, Sergey Senozhatsky wrote: > Yes, but this looks like it's the consumer of the messages who > decides what to filter and what not to. rsyslog, dmesg, etc. > will have different filtering policies. It's not like the kernel > decides what to hide and what to show. If would compare this to > NO_CONSOLES, then NO_CONSOLES does a different thing after all.
I just showed an example that changing dump_tasks() messages from KERN_INFO to KERN_DEBUG is not an option. If dump_tasks() were using KERN_DEBUG, the consumer of the messages will have to receive all KERN_DEBUG messages, which needlessly contains uninterested messages. If dump_tasks() allows use of NO_CONSOLES (via e.g. sysctl switch), the consumer does not need to receive KERN_DEBUG messages. What is wrong with adding NO_CONSOLES ?
