runtime stats by application version

[drivere]

Fixes #3356

Description of the Change
Added these 4 fields to both the app_version table and the host_app_version table:
runtime_n
runtime_avg
cputime_n
cputime_avg
Modified validator to track the values. Added the necessary function to db_update to make the database change. Added average run time and cpu time columns to the apps.php page.

Release Notes
Adds fields to database to track average run times by application version. Modifies apps.php to display the average run times and cpu times.

[codecov]

Codecov Report

Merging #3362 into master will decrease coverage by 0.02%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master   #3362      +/-   ##
=========================================
- Coverage    9.27%   9.24%   -0.03%     
=========================================
  Files          36      36              
  Lines        5992    6011      +19     
=========================================
  Hits          556     556              
- Misses       5436    5455      +19

Impacted Files	Coverage Δ
db/boinc_db_types.h	0% <ø> (ø)	⬆️
db/boinc_db.cpp	0.39% <0%> (-0.01%)	⬇️
sched/credit.cpp	0.83% <0%> (-0.02%)	⬇️

[davidpanderson]

I'm not convinced this is desirable.

[drivere]

@davidpanderson Do you mean just the change to apps.php or the whole thing? I know SETIguy desires the runtime stats for the reasons he explained in issue #3356.

[davidpanderson]

The whole thing. Additions to the DB affect all projects, and there needs to be a compelling case for them.

[SETIguy]

We've got two projects that want this change. I want it because the scheduler is broken for GPU and multithreaded apps and the validator credit is broken for multithreaded apps. It's always been broken, and this is a small step toward fixing that. Having suffered through hundreds of database changes no project was calling for, I understand that inconvenience.

…

On Wed, Oct 30, 2019 at 3:50 PM David Anderson ***@***.***> wrote: The whole thing. Additions to the DB affect all projects, and there needs to be a compelling case for them. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#3362?email_source=notifications&email_token=ACS5ZMS4Q6LHY4N7EFZXPDTQRIFRRA5CNFSM4JHA2DGKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOECWASQA#issuecomment-548145472>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ACS5ZMVHJOOCIYDV76QNHETQRIFRRANCNFSM4JHA2DGA> .

-- Eric Korpela [email protected] AST:7731^29u18e3