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path: root/llvm/lib/Support/CachePruning.cpp
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* CachePruning: correct comment about file order. NFCPawel Bylica2016-06-271-3/+3
| | | | | | | | | | | | Summary: Actually the list of cached files is sorted by file size, not by last accessed time. Also remove unused file access time param for a helper function. Reviewers: joker-eph, chandlerc, davide Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D21639 llvm-svn: 273852
* CachePruning.cpp: Don't use errno.NAKAMURA Takumi2016-05-141-2/+3
| | | | llvm-svn: 269565
* CachePruning: early exit if no path suppliedMehdi Amini2016-04-211-2/+11
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 266965
* Add debugging to the cache pruningMehdi Amini2016-04-181-4/+23
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 266686
* CachePruning: fix typo, we accumulate file size here, not timeMehdi Amini2016-04-181-1/+1
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 266685
* Add Cache Pruning supportMehdi Amini2016-04-021-0/+130
Incremental LTO will usea cache to store object files. This patch handles the pruning part of the cache, exposing a few knobs: - Pruning interval: the implementation keeps a "timestamp" file in the directory and will scan it only after a given interval since the last modification of the timestamp file. This is for performance purpose, we don't want to scan continuously the folder. - Entry expiration: this is the time after which a file that hasn't been used is remove from the cache. - Maximum size: expressed in percentage of the available disk space, it helps to avoid that we blow up the disk space. http://reviews.llvm.org/D18422 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265209
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