[PATCH] Improve performance of IO locks

[Frank Ch. Eigler]

Hi -

> > Another is to look at all results for a particular builder (as above)
> > or to look at all the glibc builds using the (sql) search form. e.g.
> > https://builder.sourceware.org/testruns/?has_keyvalue_like_k=testrun.git_describe&has_keyvalue_like_v=%25glibc%25
> 
> Thank you for these links, they surely look useful.  I assume the zebra
> pattern in the table is not actually meaningful (it's too regular for
> that), it's just to improve readability, right?

Correct.

> What confuses me still is that the run lists do not seem to have numbers
> with failure counts.

Yes, while one can view fail/etc. counts of all the test cases in one
testrun [https://tinyurl.com/mry25ekt], there is no single view that
contrasts such counts for multiple runs.  It's coming.

- FChE