[Patch][LNT] Make submission configurable per metric

[Kristof Beyls]

Hi,

 

The attached patch makes it possible to not submit specific metrics/stats to
the server when doing an lnt benchmark-run.

The use on the command line looks as follows: lnt runtest nt --submit .
--exclude-stat-from-submission=compile .

 

The motivation for being able to disable submitting certain stats is that
the compile time metric on
http://llvm.org/perf/db_default/v4/nts/machine/39 should not be submitted,
as it is highly noisy and not suitable for analysis.
The reason for that is that this is a big.LITTLE board, with 2 Cortex-A57s
and 4 Cortex-A53s, and during different builds, the
same program will be compiled on a different set of A57s or A53s. I also
don't want to pin the compile on a single core, as that
would slow down the bot, and it's main purpose is to measure the speed of
generated AArch64 code.

 

Please review,

 

Kristof

 

 

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