So by default, instead of just using "." for tiles, we use interesting
parts of the tile's name:
- For treemap.py, we use the first character of the last by-field (so
"lfs.c,lfsr_file_write,1234" -> "1").
- For codemap.py, we use the first character of the non-subsystem part
of the function name (so "lfsr_file_write" -> "w").
This nice thing about this, is the resulting treemap is somewhat
understandable even without colors:
$ ./scripts/codemap.py lfs.o lfs_util.o lfs.ci lfs_util.ci -W60 -H8
code 35528 stack 2440 ctx 636
ffffffoooffaaaaaaaaaaaacccccccccttttccccrrrrpgffmmrraifmmcss
ffffffwwwttaaaaaaaaaaaacccccccccttttccccrprrpcscmmoommrrcepp
ffffffwwwttaaaaaaaaalllcccccccccttttccccrpppccscmmsrmmrrrrss
ccccssrrfclaaaaanneeasscccccccccgpppccccrpppsgsummstmmrrlfgf
ccccssrrfccaaaaanneeaaaccccccsaagpppcccccrrrfrrcccrrfiiilucs
ccccssrrtfcfffffaapplcccccccclssgnnllllcrrffrrrccccifssscmcm
ccccssrrtrdfffffaapppapcccfffllsgnnllllcrrrffrrcccorfsssicnu
Ok, so maybe the word "somewhat" is doing a lot of heavy lifting...
Christopher Haster
59ffbde3ad