So I found a "-debug all" option... Its talking about "cache" for a screen shot. Not sure why a screen shot would ever be cached - Not sure if this is what I'm running into some how???
/usr/bin/import -debug all -silent -window root screen.png
2019-07-10T09:13:36-05:00 0:00.000 0.010u 6.7.8 Configure import[17048]: utility.c/ExpandFilenames/939/Configure Command line: /usr/bin/import {-debug} {all} {-silent} {-window} {root} {screen.png} 2019-07-10T09:13:36-05:00 0:00.090 0.090u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Area: 16.59MB/16.59MB/3.6975GB 2019-07-10T09:13:36-05:00 0:00.090 0.090u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Memory: 16.59MB/15.82MiB/1.7218GiB 2019-07-10T09:13:36-05:00 0:00.090 0.090u 6.7.8 Cache import[17048]: cache.c/OpenPixelCache/4052/Cache open [0] (heap memory, 1920x1080 15.82MiB) 2019-07-10T09:13:36-05:00 0:00.370 0.330u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Area: 16.59MB/16.59MB/3.6975GB 2019-07-10T09:13:36-05:00 0:00.370 0.330u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Memory: 16.59MB/31.64MiB/1.7218GiB 2019-07-10T09:13:36-05:00 0:00.370 0.330u 6.7.8 Cache import[17048]: cache.c/OpenPixelCache/4052/Cache open [0] (heap memory, 1920x1080 15.82MiB)
2019-07-10T09:13:37-05:00 0:00.630 0.600u 6.7.8 Cache import[17048]: cache.c/DestroyPixelCache/1448/Cache destroy [0] 2019-07-10T09:14:33-05:00 0:56.440 0.620u 6.7.8 Resource import[17048]: resource.c/RelinquishMagickResource/811/Resource Memory: 16.59MB/15.82MiB/1.7218GiB 2019-07-10T09:14:33-05:00 0:56.540 0.670u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Area: 16.59MB/16.59MB/3.6975GB 2019-07-10T09:14:33-05:00 0:56.540 0.670u 6.7.8 Resource import[17048]: resource.c/AcquireMagickResource/262/Resource Memory: 16.59MB/31.64MiB/1.7218GiB 2019-07-10T09:14:33-05:00 0:56.540 0.670u 6.7.8 Cache import[17048]: cache.c/OpenPixelCache/4052/Cache open [0] (heap memory, 1920x1080 15.82MiB)