Re: Clock fuzzing

2024-06-24 Thread Hal Murray via devel
matthew.sel...@twosigma.com said: > Sounds good. Will you rip the entire thing out in 1-shot, or in chunks? > Will you remove the "waf configure --disable-fuzz" option entirely or > leave some sort of backwards-compatible option? I was going to do it in 1-shot. There aren't any obvious half-w

Re: Clock fuzzing

2024-06-24 Thread Matt Selsky via devel
On Sun, Jun 23, 2024 at 09:39:17PM -0700, Hal Murray via devel wrote: > Coverity got a little smarter and now reports a couple of cases of > INTEGER_OVERFLOW in code that hasn't changed in a long time. > > One of them is in the clock fuzzing code. I propose to eliminate that > feature. > > Any

Re: Clock fuzzing bugs

2019-11-25 Thread Eric S. Raymond via devel
Mark Atwood via devel : > On Sun, Nov 24, 2019, at 19:32, Hal Murray via devel wrote: > > > > e...@thyrsus.com said: > > > If we don't see any evidence of beat-induced quantization, I'm willing to > > > say > > > we drop this code. > > > > How about adding a --disable-fuzz configure option so w

Re: Clock fuzzing bugs

2019-11-25 Thread Eric S. Raymond via devel
Gary E. Miller via devel : > Is there an existing patch to remove the fuzzing? There is not. See my reply to Mark. -- http://www.catb.org/~esr/";>Eric S. Raymond signature.asc Description: PGP signature ___ devel mailing list devel@n

Re: Clock fuzzing bugs

2019-11-24 Thread Richard Laager via devel
On 11/24/19 3:41 AM, Hal Murray via devel wrote: > rlaa...@wiktel.com said: >> I can build from git or with whatever patches, if needed. If something is >> wrong with this clock fuzzing code, I'd love to help get to the bottom of it, >> but this doesn't seem like the sort of thing I can sort out by

Re: Clock fuzzing bugs

2019-11-24 Thread Mark Atwood via devel
On Sun, Nov 24, 2019, at 19:32, Hal Murray via devel wrote: > > e...@thyrsus.com said: > > If we don't see any evidence of beat-induced quantization, I'm willing to > > say > > we drop this code. > > How about adding a --disable-fuzz configure option so we can experiment > without breaking the

Re: Clock fuzzing bugs

2019-11-24 Thread Hal Murray via devel
e...@thyrsus.com said: > If we don't see any evidence of beat-induced quantization, I'm willing to say > we drop this code. How about adding a --disable-fuzz configure option so we can experiment without breaking the default case. Or maybe a runtime configure option. Early Raspberr

Re: Clock fuzzing bugs

2019-11-24 Thread Gary E. Miller via devel
Yo Eric! On Sun, 24 Nov 2019 08:55:53 -0500 "Eric S. Raymond via devel" wrote: > We have pretty good visualization tools these days. Gary, you know > best what normal perfornance looks like under ntpviz. Would you be > willing to patch-disable fuzzing and see if that induces any > suspicious-l

Re: Clock fuzzing bugs

2019-11-24 Thread Achim Gratz via devel
Eric S. Raymond via devel writes: > If we don't see any evidence of beat-induced quantization, I'm willing > to say we drop this code. Please don't invent gobbledeegok terminology. "Beat-induced quantization" is completely devoid of meaning. Again, what we're talking about is dithering and it is

Re: Clock fuzzing bugs

2019-11-24 Thread Eric S. Raymond via devel
Hal Murray via devel : > I'm tempted to rip out that stuff. I haven't quite convinced myself that it > isn't doing something important. Eric? The clock fuzzing? It's an interesting question. I've thought about it. I'm doubtful myself. The obvious motivation would be to avoid beat effects fro