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-rw-r--r--controller/fw/tools/linkmem.py29
1 files changed, 24 insertions, 5 deletions
diff --git a/controller/fw/tools/linkmem.py b/controller/fw/tools/linkmem.py
index a04f31e..494217a 100644
--- a/controller/fw/tools/linkmem.py
+++ b/controller/fw/tools/linkmem.py
@@ -7,12 +7,13 @@ import re
import subprocess
from contextlib import contextmanager
from collections import defaultdict
+import colorsys
import cxxfilt
-
from elftools.elf.elffile import ELFFile
from elftools.elf.descriptions import describe_symbol_type
import libarchive
+import matplotlib.cm
@contextmanager
def chdir(newdir):
@@ -117,10 +118,19 @@ def wrap(leader='', print=print, left='{', right='}'):
def mangle(name):
return re.sub('[^a-zA-Z0-9_]', '_', name)
+hexcolor = lambda r, g, b: f'#{int(r*255):02x}{int(g*255):02x}{int(b*255):02x}'
+def vhex(val):
+ r,g,b,_a = matplotlib.cm.viridis(1.0-val)
+ fc = hexcolor(r, g, b)
+ h,s,v = colorsys.rgb_to_hsv(r,g,b)
+ cc = '#000000' if v > 0.8 else '#ffffff'
+ return fc, cc
+
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--trace-sections', type=str, action='append', default=[])
+ parser.add_argument('--trim-stubs', type=str, action='append', default=[])
parser.add_argument('linker_binary')
parser.add_argument('linker_args', nargs=argparse.REMAINDER)
args = parser.parse_args()
@@ -129,6 +139,10 @@ if __name__ == '__main__':
trace_sections_mangled = { sec.replace('.', '_') for sec in trace_sections }
syms, refs, syms_out = trace_source_files(args.linker_binary, args.linker_args, trace_sections)
+ for name, (obj, size) in syms.items():
+ if path.basename(obj) in args.trim_stubs and size <= 8 and not refs.get(name):
+ syms_out.discard(name)
+
clusters = defaultdict(lambda: [])
for sym, (obj, size) in syms.items():
clusters[obj].append((sym, size))
@@ -137,6 +151,9 @@ if __name__ == '__main__':
for name, (obj, size) in syms.items():
if size is not None:
obj_size[obj] += size
+ max_size = max([ size for _obj, size in syms.values() if size is not None ])
+
+ max_osize = max(obj_size.values())
with wrap('digraph G', print) as lvl1print:
print('rankdir=LR;')
@@ -144,18 +161,20 @@ if __name__ == '__main__':
for i, (obj, syms) in enumerate(clusters.items()):
with wrap(f'subgraph cluster_{i}', lvl1print) as lvl2print:
- lvl2print(f'label = "{obj} <{obj_size[obj]}>";')
+ fc, cc = vhex(obj_size[obj]/max_osize)
+ lvl2print(f'label = <<table border="0"><tr><td border="0" cellpadding="5" bgcolor="{fc}"><font face="carlito" color="{cc}"><b>{path.basename(obj)} ({obj_size[obj]}B)</b></font></td></tr></table>>;')
lvl2print()
for sym, size in syms:
if sym in syms_out:
- lvl2print(f'{mangle(sym)}[label = "{sym} <{size}>"];')
+ fc, cc = vhex(size/max_size)
+ lvl2print(f'{mangle(sym)}[label = "{sym} ({size}B)", style="rounded,filled", shape="box", fillcolor="{fc}", fontname="carlito", fontcolor="{cc}" color=None];')
lvl1print()
for start, ends in refs.items():
for end in ends:
if end and (start in syms_out or start in trace_sections_mangled) and end in syms_out:
- lvl1print(f'{mangle(start)} -> {mangle(end)};')
+ lvl1print(f'{mangle(start)} -> {mangle(end)} [style="bold", color="#333333"];')
for sec in trace_sections:
- lvl1print(f'{sec.replace(".", "_")} [label = "section {sec}"];')
+ lvl1print(f'{sec.replace(".", "_")} [label = "section {sec}", shape="box", style="filled,bold"];')