| #!/usr/bin/python3 |
| # Copyright Martin J. Bligh (mbligh@google.com) |
| # Released under the GPL, v2 |
| |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| import os |
| import re |
| import sys |
| |
| results_per_sign = 10 |
| |
| def parse_lines(filename): |
| results = [] |
| start_key = 1 |
| for line in open(filename).readlines(): |
| try: |
| a = line.split() |
| key = ' '.join(a[start_key:]) |
| count = int(a[0]) |
| results.append((key, count)) |
| except: # presumably a header line |
| if re.match(r'samples\s*%\s*app name\s*symbol name', line): |
| start_key = 2 |
| elif re.match(r'samples\s*%\s*image name\s*app name\s*symbol name', line): |
| start_key = 3 |
| return results |
| |
| |
| # Firstly, suck in both files. |
| orig = {} |
| new = {} |
| diff = {} |
| |
| for (key, count) in parse_lines(sys.argv[1]): |
| # Oprofile seems to be ... erm ... broken. Keys can appear > once ;-( |
| if key in orig: |
| orig[key] += count |
| else: |
| orig[key] = count |
| if key in diff: |
| diff[key] -= count |
| else: |
| diff[key] = -count |
| |
| for (key, count) in parse_lines(sys.argv[2]): |
| if key in new: |
| new[key] += count |
| else: |
| new[key] = count |
| if key in diff: |
| diff[key] += count |
| else: |
| diff[key] = count |
| |
| if len(orig) < 2* results_per_sign or len(new) < 2 * results_per_sign: |
| sys.exit(1) # one of the files was blank? |
| |
| # Now sort and print the diffs. |
| def print_key(key): |
| if key in orig and orig[key] > 0: |
| pct = (100 * diff[key]) / orig[key] |
| else: |
| pct = 0 |
| print("%10d %6.1f%% %s" % (diff[key], pct, key)) |
| |
| keys = sorted(list(diff.keys()), key=lambda x: diff[x], reverse=True) |
| |
| for key in keys[:results_per_sign]: |
| print_key(key) |
| |
| print("\n...\n") |
| |
| for key in keys[len(keys)-results_per_sign:]: |
| print_key(key) |