DM-32658: Only do getmodule if we know the log message will be issued

[timj]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Merging #105 (bfa336a) into master (426b06a) will increase coverage by 0.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #105      +/-   ##
==========================================
+ Coverage   90.90%   91.01%   +0.11%     
==========================================
  Files          36       36              
  Lines        2110     2136      +26     
==========================================
+ Hits         1918     1944      +26     
  Misses        192      192              

Impacted Files	Coverage Δ
python/lsst/utils/timer.py	95.32% <100.00%> (+0.32%)	⬆️
tests/test_timer.py	99.31% <100.00%> (+0.10%)	⬆️

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[timj]

Actually, @ktlim would like me to try the decorator approach to remove the getmodule overhead from runtime.

[timj]

I've updated the PR to pass the stacklevel from timeMethod and through logInfo to logPairs. This should remove the need for getmodule completely.