> On May 20, 2021, at 12:08 AM, Dmitrii Banshchikov <me@xxxxxxxxxxxxx> wrote: > > On Wed, May 19, 2021 at 10:32:25AM -0700, Song Liu wrote: >> On Tue, May 18, 2021 at 11:05 PM Dmitrii Banshchikov <me@xxxxxxxxxxxxx> wrote: >>> >>> There are three logging levels for messages: FATAL, NOTICE and DEBUG. >>> When a message is logged with FATAL level it results in bpfilter >>> usermode helper termination. >> >> Could you please explain why we choose to have 3 levels? Will we need >> more levels, >> like WARNING, ERROR, etc.? > > > I found that I need one level for development - to trace what > goes rignt and wrong. At the same time as those messages go to > dmesg this level is too verbose to be used under normal > circumstances. That is why another level is introduced. And the > last one exists to verify invariants or error condintions from > which there is no right way to recover and they result in > bpfilter termination. /dev/kmsg supports specifying priority of the message. Like: echo '<4> This message have priority of 4' > /dev/kmsg Therefore, with proper priority settings, we can have more levels safely. Does this make sense? Thanks, Song [...]
