On Tue, Sep 20, 2016 at 09:06:17AM -0500, Eric Blake wrote:
> On 09/20/2016 04:36 AM, Daniel P. Berrange wrote:
> >> Rather than completely throwing things away, would it be worth updating
> >> the check.time file format to track multiple entries? For every distinct
> >> args seen, track a timing for that combination of args, then when
> >> starting a test, if a line in the file contains the current args, report
> >> that old time; if not, then append a line with the new args.  The file
> >> grows according to how many distinct args combinations you use, and it's
> >> probably easier to make 'a b' and 'b a' report as different timings even
> >> if they have the same effect and could share a timing.  We'd also want
> >> an operation to clean out timings without running tests, particularly if
> >> timings can otherwise grow huge due to every possible args combination.
> >>
> >> What do you think?
> > 
> > I was afraid someone would suggest a more complex scheme like that :-)
> > 
> > I guess we could keep things simple by not inventing a new format,
> > but instead of using 'check.time', use 'check.time.$FORMAT-$PROTOCOL'
> > eg 'check.time.qcow2-file'
> Seems more palatable. Lots of files rather than lots of lines in a
> single file; searching is now fast (if you can come up with the right
> file name, the OS does the searching for you rather than us having to
> figure out which (if any) portion of a large file applies).  We may
> still want a command for easily cleaning everything, and if we do switch
> to new file names, we'll still want to clean up the old files.

Isn't that command called 'git clean -f'  - if we remove 'check.time'
from the gitignore file, it'll be deleted by a git clean, without
needing to ass the -i flag. I don't think we really need to reinvent
a special way to clean just these timing files, particularly since
they are not large.

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