Hi,
On 2024-04-12 11:33:17 -0700, Andres Freund wrote:
> I wonder if, for easy backpatching, the easiest solution is to just reset
> errno before calling pg_usleep(), and only increment status->delays if
> errno != EINTR. Given our pg_usleep() implementations, that'd preven the stuck
> spinlock logic from triggering too fast.
Here's a patch implementing this approach. I confirmed that before we trigger
the stuck spinlock logic very quickly and after we don't. However, if most
sleeps are interrupted, it can delay the stuck spinlock detection a good
bit. But that seems much better than triggering it too quickly.
Greetings,
Andres Freund
