In order to reduce cardinality of the interrupts collector add
filtering options
* Add include/exclude regexp filter flags.
* Add boolean flag to include zero values, enabled by default.
Signed-off-by: Ben Kochie <superq@gmail.com>
I have rewritten all CGO dependencies for OpenBSD amd64
using pure go, be able to crosscompile node_exporter.
Signed-off-by: ston1th <ston1th@giftfish.de>