[Swan-dev] rr works with `pluto`

D. Hugh Redelmeier hugh at mimosa.com
Mon Dec 7 21:04:29 UTC 2020


| From: "Wewegama, Kavinda" <Kavinda.Wewegama at forcepoint.com>

| In case you weren't aware, the latest version of rr (record + replay) 
| debugger which is capable of efficient reverse execution works with 
| `pluto` (https://rr-project.org/).

Good to know.  I've been intrigued by rr.

| Earlier this year, Robert O'Callahan (one of the leads on `rr) kindly 
| fixed all the issues I encountered while trying to debug `pluto`. Since 
| then, I have used `rr` frequently and effectively to resolve Libreswan 
| issues.

Thanks for pushing this forward.

I'm curious: what kinds of problems did you encounter?  Perhaps
unsupported ioctl system calls?


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