| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | uftrace_plugin.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 | 
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| 7 | import collections
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| 8 | 
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| 9 | stack = []
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| 10 | 
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| 11 | # call stack (list) -> count
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| 12 | list_callers = collections.Counter()
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| 13 | str_callers = collections.Counter()
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| 14 | slice_callers = collections.Counter()
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| 15 | t2_callers = collections.Counter()
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| 16 | t3_callers = collections.Counter()
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| 17 | t4_callers = collections.Counter()
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| 18 | new_callers = collections.Counter()
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| 19 | malloc_callers = collections.Counter()
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| 20 | 
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| 21 | 
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| 22 | def uftrace_begin(ctx):
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| 23 |     pass
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| 24 | 
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| 25 | 
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| 26 | def uftrace_entry(ctx):
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| 27 |     # TODO: When function is List::List, get the STACK
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| 28 |     func = ctx["name"]
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| 29 | 
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| 30 |     if func == 'List::List':
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| 31 |         list_callers[stack[-1]] += 1
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| 32 |         #print('STACK %s' % stack)
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| 33 |     elif func == 'Str::Str':
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| 34 |         str_callers[stack[-1]] += 1
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| 35 |     elif func == 'Str::slice':
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| 36 |         slice_callers[stack[-1]] += 1
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| 37 |     elif func == 'Tuple2::Tuple2':
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| 38 |         t2_callers[stack[-1]] += 1
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| 39 |     elif func == 'Tuple3::Tuple3':
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| 40 |         t3_callers[stack[-1]] += 1
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| 41 |     elif func == 'Tuple4::Tuple4':
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| 42 |         t4_callers[stack[-1]] += 1
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| 43 |     elif func == 'operator new':
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| 44 |         new_callers[stack[-1]] += 1
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| 45 |     elif func == 'malloc':
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| 46 |         malloc_callers[stack[-1]] += 1
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| 47 | 
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| 48 |     stack.append(func)
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| 49 |     #print("entry : " + func + "()")
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| 50 | 
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| 51 | 
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| 52 | def uftrace_exit(ctx):
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| 53 |     func = ctx["name"]
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| 54 |     #print("exit  : " + func + "()")
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| 55 |     stack.pop()
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| 56 | 
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| 57 | 
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| 58 | def PrintMostCommon(c, k):
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| 59 |     total = sum(c.values())
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| 60 |     for caller, count in c.most_common(k):
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| 61 |         percent = count * 100.0 / total
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| 62 |         print('%5.2f%% %5d %s' % (percent, count, caller))
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| 63 |     print('         ...')
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| 64 |     print('       %5d TOTAL' % total)
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| 65 | 
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| 66 | 
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| 67 | def uftrace_end():
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| 68 |     k = 10
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| 69 |     print('')
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| 70 |     print('List')
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| 71 |     PrintMostCommon(list_callers, k)
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| 72 | 
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| 73 |     print('')
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| 74 |     print('Str')
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| 75 |     PrintMostCommon(str_callers, k)
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| 76 | 
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| 77 |     print('')
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| 78 |     print('slice')
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| 79 |     PrintMostCommon(slice_callers, k)
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| 80 | 
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| 81 |     print('')
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| 82 |     print('Tuple2')
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| 83 |     PrintMostCommon(t2_callers, k)
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| 84 | 
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| 85 |     print('')
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| 86 |     print('Tuple3')
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| 87 |     PrintMostCommon(t3_callers, k)
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| 88 | 
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| 89 |     print('')
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| 90 |     print('Tuple4')
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| 91 |     PrintMostCommon(t4_callers, k)
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| 92 | 
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| 93 |     print('')
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| 94 |     print('operator new')
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| 95 |     PrintMostCommon(new_callers, k)
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| 96 | 
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| 97 |     print('')
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| 98 |     print('malloc')
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| 99 |     PrintMostCommon(malloc_callers, k)
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