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121 lines
6.6 KiB
Plaintext
121 lines
6.6 KiB
Plaintext
The following is an example of rb_malloc.d.
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WARNING: This script is not 100% accurate; This prints graphical
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representations of libc malloc() byte distributions by "recent" Ruby operation,
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which we hope will be usually correct. This is an experimental script that may
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be improved over time.
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Here we can see it running on Code/Ruby/func_abc.rb
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# rb_malloc.d -c ./func_abc.rb
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Tracing... Hit Ctrl-C to end.
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Function A
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Function B
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Function C
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Ruby malloc byte distributions by recent Ruby operation,
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func_abc.rb, method, Object::print
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value ------------- Distribution ------------- count
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1 | 0
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2 |@@@@@@@@@@@@@@@@@@@@ 1
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4 | 0
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8 | 0
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16 |@@@@@@@@@@@@@@@@@@@@ 1
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32 | 0
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func_abc.rb, method, Module::method_added
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value ------------- Distribution ------------- count
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8 | 0
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 2
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32 | 0
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., objnew, fatal
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value ------------- Distribution ------------- count
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1 | 0
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2 |@ 1
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4 |@ 1
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8 |@@@ 2
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 22
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32 |@@@@@@ 5
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64 | 0
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func_abc.rb, method, IO::write
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value ------------- Distribution ------------- count
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2048 | 0
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4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1
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8192 | 0
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., objnew, SystemStackError
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value ------------- Distribution ------------- count
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1 | 0
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2 | 3
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4 |@@@@ 32
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8 |@@ 15
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 279
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32 |@@@ 30
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64 | 2
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128 | 0
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., objnew, NoMemoryError
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value ------------- Distribution ------------- count
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1 | 0
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2 |@ 3
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4 |@@@ 17
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8 |@@@@@@ 37
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16 |@@@@@@@@@@@@@@@@@@@@@@@@ 146
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32 |@@ 13
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64 | 2
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128 |@@@ 20
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256 | 0
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512 | 0
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1024 | 1
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2048 | 0
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., objnew, ThreadGroup
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value ------------- Distribution ------------- count
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1 | 0
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2 | 8
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4 |@@@ 224
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8 |@ 93
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1806
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32 |@@@@@@@@ 496
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64 | 3
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128 | 2
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256 | 0
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512 | 1
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1024 | 0
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., objnew, Object
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value ------------- Distribution ------------- count
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1 | 0
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2 | 35
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4 |@@@ 291
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8 |@@@ 300
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 2679
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32 |@@ 215
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64 | 7
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128 | 0
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ruby, startup, -
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value ------------- Distribution ------------- count
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1 | 0
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2 |@ 10
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4 |@@@ 34
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8 |@@@ 38
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16 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 409
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32 |@@ 30
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64 | 1
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128 | 0
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256 | 0
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512 | 0
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1024 | 2
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2048 | 0
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4096 | 0
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8192 | 0
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16384 | 0
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32768 | 0
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65536 | 0
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131072 | 1
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262144 | 0
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