3 Commits

Author	SHA1	Message	Date
Ondřej Surý	d332f07f38	Add a probe when the response rate limiting drops or slips query ... Add a trace point that would report when a query gets dropped or slipped by rate limits. It reports the client IP, the zone, and the RRL result code. Co-authored-by: Paul Frieden <pfrieden@yahooinc.com>	2023-08-21 18:39:53 +02:00
Ondřej Surý	96ccba5d51	Add tracing probes to the dns_xfrin unit ... Add tracing probes to incoming transfers, so we can accurately measure the individual events when sending, receiving and parsing the incoming transfers.	2023-08-21 18:39:53 +02:00
Ondřej Surý	784d055809	Add support for User Statically Defined Tracing (USDT) probes ... This adds support for User Statically Defined Tracing (USDT). On Linux, this uses the header from SystemTap and dtrace utility, but the support is universal as long as dtrace is available. Also add the required infrastructure to add probes to libisc, libdns and libns libraries, where most of the probes will be.	2023-08-21 18:39:53 +02:00