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histsymbols.py
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histsymbols.py
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import sys
from collections import defaultdict
'''
avr-nm $TMPDIR/arduino_build_xxx/arduboy3d.ino.elf | python histsymbols.py hist.txt
'''
symbols = []
for line in sys.stdin:
line = line.strip().split()
# 00800155 B _ZN12Arduboy2Core9cspinmaskE
if line[1] != 'T':
continue
addr = int(line[0], 16)
sym = line[2]
symbols.append((addr, sym))
symbols.sort()
print symbols
def lookup(addr):
for i in range(len(symbols) - 1):
if addr >= symbols[i][0] and addr < symbols[i+1][0]:
return symbols[i][1]
print 'no symbol for address', addr
return str(addr)
samples = defaultdict(int)
for line in open(sys.argv[1]):
line = line.strip().split()
addr = int(line[0][:-1], 16)
n = int(line[1])
samples[lookup(addr)] += n
for sym, n in samples.iteritems():
print n, sym