Re: [Zeek-Dev] Compiling with --coverage flag

2019-06-11 Thread Jim Mellander
Although I have quite a bit more work to do on this, I wrote a preliminary document, reproduced below: Using Profile Guided Optimization with Zeek (draft) Background At Brocon 2017, Packetsled gave a lightning talk that included, among other items, information on strategically inserting likely()

Re: [Zeek-Dev] Compiling with --coverage flag

2019-06-11 Thread Robin Sommer
Hi Jim, interesting, could you send some numbers on the kind of improvements you saw, and on what traffic? Robin On Mon, Jun 10, 2019 at 11:30 -0700, Jim Mellander wrote: > Greetings: > > I've been tinkering with the --coverage flag to capture runtime statistics > which can then be used to

[Zeek-Dev] Compiling with --coverage flag

2019-06-10 Thread Jim Mellander
Greetings: I've been tinkering with the --coverage flag to capture runtime statistics which can then be used to compile zeek with branch prediction hints. My preliminary tests indicate a substantial performance increase, enough to justify engaging the zeek community. I noticed that the