Domas Mituzas midom
midom
/ MidpointLruCache.py
Created
May 8, 2013 20:43
LRU with midpoint insertion (LRU2Q) cache decorator for Python
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| class MidpointLruCache: | |
| def __init__(self, size, oldpercentage): | |
| self.size = size | |
| self.oldsize = size * oldpercentage / 100 | |
| self.youngsize = size * (100 - oldpercentage) / 100 | |
| self.youngitems = collections.OrderedDict() | |
| self.olditems = collections.OrderedDict() | |
| def __call__(self, func): |
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| Events: 658K cycles | |
| - 58.75% mysqlbinlog [kernel.kallsyms] [k] _raw_spin_lock ◆ | |
| - _raw_spin_lock ▒ | |
| - 49.41% dput |
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| #!/usr/bin/env bcc-py | |
| # | |
| # topwaits Show longest off-cpu waits per-stack | |
| # | |
| # Copyright 2019 Facebook, Inc. | |
| # Copyright 2016 Netflix, Inc. | |
| # Licensed under the Apache License, Version 2.0 (the "License") | |
| # | |
| # 13-Jan-2016 Brendan Gregg Wrote offcpu profiler | |
| # 27-Nov-2019 Domas Mituzas Gutted most of profiling part and left stall detector |