78 lines
1.9 KiB
Python
Executable File
78 lines
1.9 KiB
Python
Executable File
#!/usr/bin/python2
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# Copyright Martin J. Bligh (mbligh@google.com)
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# Released under the GPL, v2
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import os
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import re
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import sys
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results_per_sign = 10
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def parse_lines(filename):
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results = []
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start_key = 1
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for line in open(filename).readlines():
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try:
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a = line.split()
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key = ' '.join(a[start_key:])
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count = int(a[0])
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results.append((key, count))
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except: # presumably a header line
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if re.match(r'samples\s*%\s*app name\s*symbol name', line):
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start_key = 2
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elif re.match(r'samples\s*%\s*image name\s*app name\s*symbol name', line):
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start_key = 3
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return results
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# Firstly, suck in both files.
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orig = {}
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new = {}
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diff = {}
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for (key, count) in parse_lines(sys.argv[1]):
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# Oprofile seems to be ... erm ... broken. Keys can appear > once ;-(
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if key in orig:
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orig[key] += count
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else:
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orig[key] = count
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if key in diff:
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diff[key] -= count
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else:
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diff[key] = -count
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for (key, count) in parse_lines(sys.argv[2]):
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if key in new:
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new[key] += count
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else:
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new[key] = count
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if key in diff:
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diff[key] += count
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else:
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diff[key] = count
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if len(orig) < 2* results_per_sign or len(new) < 2 * results_per_sign:
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sys.exit(1) # one of the files was blank?
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# Now sort and print the diffs.
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def print_key(key):
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if key in orig and orig[key] > 0:
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pct = (100 * diff[key]) / orig[key]
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else:
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pct = 0
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print("%10d %6.1f%% %s" % (diff[key], pct, key))
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keys = sorted(list(diff.keys()), key=lambda x: diff[x], reverse=True)
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for key in keys[:results_per_sign]:
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print_key(key)
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print("\n...\n")
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for key in keys[len(keys)-results_per_sign:]:
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print_key(key)
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