On Sat, Nov 19, 2011 at 7:38 AM, David Gilbert david.gilbert@linaro.org wrote:
== 64 bit atomics == * Still fighting membase * Cleaned up a bunch of other issues, but I'm back at an 'expiry' issue, where the test stores some data with a fixed expiry time and then waits until after it should have expired, and checks it has. Except on ARM it sometimes doesn't expire quickly enough. I've got enough debug now to see that the server processes view of time (which it updates via an event about every second) is sometimes very behind gettimeofday()'s view of time - and have a small test for it. This doesn't seem to happen on x86. The good part is that it's now a much smaller test, the bad part is that it fails rarely - somewhere between 1/1000 and 1/100 depending on its mood.
We started looking at membase to prove the 64 bit sync primitives. You're down to one failure that doesn't seem to be primitive related. Is that enough evidence to commit the sync primitives patch?
* Looked at a few other things to see if they might use 64 bit atomics: - spice's (as in the VNC like protocol) FAQ said it needed 64bit atomics and didn't work on 32bit machines due to that; but the source appears to have been fixed for 32bit.
Does it have a good testsuite? Can we de-fix it, as in is there a self-contained code path that runs for 64 bit vs 32 bit hosts?
-- Michael