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12 Commits

Author SHA1 Message Date
Kostya Serebryany 683d55f50e [sanitizer] speed up the bitvector-based deadlock detector by ~15% (iterate over the currently held locks using the array, not the bitvector. Bitvector is not the best data structure to iterate over) 
llvm-svn: 205168
 2014-03-31 07:23:50 +00:00
Kostya Serebryany 61a0f1c564 [sanitizer] partially implement racy fast path in bitset-based deadlock detector 
llvm-svn: 203904
 2014-03-14 08:06:15 +00:00
Kostya Serebryany c067864b6f [sanitizer] in bitset-based deadlock detector collect edge's stack trace when an edge is added to the graph (in following CLs these stack traces will be added to the report) 
llvm-svn: 203902
 2014-03-14 07:09:01 +00:00
Kostya Serebryany 37ce26cb16 [sanitizer] when reporting a deadlock also report the lock cycle 
llvm-svn: 201576
 2014-02-18 14:56:19 +00:00
Kostya Serebryany 73325589dc [sanitizer] implement node removal in Deadlock graph 
llvm-svn: 201509
 2014-02-17 11:21:52 +00:00
Kostya Serebryany ec68429c5d [sanitizer] simplify DeadlockDetectorTLS 
llvm-svn: 201505
 2014-02-17 08:47:48 +00:00
Kostya Serebryany e233d8618d [sanitizer] add iterators to bit vectors; make bit vector operations use little stack; add common flag 'detect_deadlocks' 
llvm-svn: 201405
 2014-02-14 12:08:23 +00:00
Kostya Serebryany 67d419736a [sanitizer] optimize TwoLevelBitVector::intersectsWith, extend tests, fix a check 
llvm-svn: 201338
 2014-02-13 15:45:20 +00:00
Kostya Serebryany 07526fb4a0 [sanitizer] address some of the dvyukov's comments on previous commits 
llvm-svn: 201322
 2014-02-13 12:39:21 +00:00
Kostya Serebryany f6cb35abb4 [sanitizer] findPath for deadlock detector 
llvm-svn: 201306
 2014-02-13 09:52:15 +00:00
Kostya Serebryany 5e52d48e3a [sanitizer] more code for deadlock detector, nothing really works yet (except for small unit tests). 
llvm-svn: 201302
 2014-02-13 07:44:51 +00:00
Kostya Serebryany be1d22b631 [sanitizer] added class BVGraph, to be used in a deadlock detector; added more methods to the bit vectors 
llvm-svn: 201226
 2014-02-12 11:28:09 +00:00