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42 Commits

Author SHA1 Message Date
Dmitry Vyukov eac8cc7a42 tsan: fix flaky test 
llvm-svn: 204119
 2014-03-18 06:37:31 +00:00
Kostya Serebryany 5c0171b811 [sanitizer] a bit more informative deadlock detector report (still lots to improve) 
llvm-svn: 204115
 2014-03-18 05:56:14 +00:00
Kostya Serebryany f01c094cdd [sanitizer] reverse the order of the stack traces printed for every pair of locks in the deadlock report (first print the 'from' node, then print the 'to' node of the deadlock graph) 
llvm-svn: 204043
 2014-03-17 14:56:04 +00:00
Kostya Serebryany 8976539627 [sanitizer] make the deadlock detector print 2*N stack traces on lock-order-inversion with N locks (i.e. print stack traces for both lock acquisitions in every edge in the graph). More improvements to follow 
llvm-svn: 204042
 2014-03-17 14:41:36 +00:00
Kostya Serebryany 779ccf3b2c [sanitizer] one more output test for the deadlock detector 
llvm-svn: 204036
 2014-03-17 09:32:48 +00:00
Kostya Serebryany b9cb473fb8 [sanitizer] fix build warnings; add an output test for the deadlock detecor 
llvm-svn: 204035
 2014-03-17 09:21:41 +00:00
Dmitry Vyukov a02fac7bec tsan: update the test since the bug is fixed 
http://llvm.org/bugs/show_bug.cgi?id=19113 is fixed, so enable the better CHECK

llvm-svn: 203784
 2014-03-13 10:54:16 +00:00
Kostya Serebryany de3f20cf4b [sanitizer] support recursive rwlocks in bitset-based deadlock detector 
llvm-svn: 203779
 2014-03-13 10:26:03 +00:00
Dmitry Vyukov 8c0f86e307 tsan: fix handling of pthread_cond_wait in presence of pthread_cancel 
if the thread is cancelled in pthread_cond_wait, it locks the mutex before
processing pthread_cleanup stack
but tsan was missing that, thus reporting false double-lock/wrong-unlock errors
see the test for details

llvm-svn: 203648
 2014-03-12 09:48:14 +00:00
Dmitry Vyukov 47fd6179b1 tsan: add disabled test for http://llvm.org/bugs/show_bug.cgi?id=19113 
llvm-svn: 203646
 2014-03-12 08:24:49 +00:00
Dmitry Vyukov 811d16c953 tsan: prevent actual deadlock in deadlock detector test 
llvm-svn: 202502
 2014-02-28 14:34:25 +00:00
Kostya Serebryany eae464f911 [sanitizer] speedup deadlock detector for the case when we acquire the first lock in a thread 
llvm-svn: 202492
 2014-02-28 11:56:14 +00:00
Kostya Serebryany afc4f2af76 [sanitizer] speedup deadlock detector for the case when we destroy a mutex that has never been locked 
llvm-svn: 202487
 2014-02-28 10:59:33 +00:00
Dmitry Vyukov 371639ea1f tsan: deflake test 
llvm-svn: 202484
 2014-02-28 10:47:07 +00:00
Kostya Serebryany 261993ad1a [sanitizer] a test for recursive rwlock and deadlock detector (currently fails) 
llvm-svn: 202480
 2014-02-28 10:03:51 +00:00
Kostya Serebryany b86b56c0db [tsan] one more test for deadlock detector 
llvm-svn: 202476
 2014-02-28 09:17:16 +00:00
Dmitry Vyukov a12923e265 tsan: intercept vfork 
this fixes obscure false positives
see the comments and the test for details

llvm-svn: 202400
 2014-02-27 14:36:16 +00:00
Dmitry Vyukov 17ca4d06c7 tsan: 2 more deadlock detector benchmarks 
llvm-svn: 202379
 2014-02-27 12:05:17 +00:00
Dmitry Vyukov 8a0813d944 tsan: fix deadlock detector lit test output 
llvm-svn: 202368
 2014-02-27 09:18:08 +00:00
Dmitry Vyukov 511118c762 tsan: add another deadlock detector benchmark 
llvm-svn: 202366
 2014-02-27 09:05:07 +00:00
Dmitry Vyukov 794500ae4e tsan: add recursive deadlock detector benchmark 
llvm-svn: 202361
 2014-02-27 08:33:52 +00:00
Dmitry Vyukov c546943b6a tsan: improve deadlock detector test 
- allow to specify which test to run
- allow to specify number of iterations
- specify number of threads required in the test itself

llvm-svn: 202358
 2014-02-27 08:04:20 +00:00
Dmitry Vyukov 0f34a3ba8c tsan: fix deadlock detector test so that it does not force contention in runtime 
llvm-svn: 202278
 2014-02-26 17:06:58 +00:00
Kostya Serebryany 67968cbf93 [sanitizer] minimal support for recursive locks indeadlock detector 
llvm-svn: 202153
 2014-02-25 14:02:01 +00:00
Alexey Samsonov 98aa08c0e9 Update sanitizers' bash scripts. 
* Fix bash scripts to work on FreeBSD (patch by Viktor Kutuzov)
* Update locations of lit tests in check_lint script.

llvm-svn: 202145
 2014-02-25 12:09:25 +00:00
Kostya Serebryany 01be296dbb [sanitizer] support pthread_rwlock_rd* in deadlock detector 
llvm-svn: 202132
 2014-02-25 10:33:37 +00:00
Kostya Serebryany fd88edfddb [sanitizer] partially support pthread_rwlock_* (no rd* form yet) 
llvm-svn: 202128
 2014-02-25 09:33:10 +00:00
Kostya Serebryany 8f240ec03f [tsan] add deadlock detector tests for pthread_spin_lock 
llvm-svn: 202123
 2014-02-25 08:42:34 +00:00
Kostya Serebryany 11f4f30fa7 [sanitizer] add support for try_lock in deadlock detector 
llvm-svn: 202120
 2014-02-25 08:24:15 +00:00
Kostya Serebryany d77dfcb384 [tsan] one more test for deadlock detector 
llvm-svn: 202026
 2014-02-24 11:45:47 +00:00
Kostya Serebryany 0548c79859 [tsan] add coarse-grained lock around the DeadlockDetector. We can do better than that, but that's a start. 
llvm-svn: 201861
 2014-02-21 15:07:18 +00:00
Alexey Samsonov 5e6d83258e [CMake] lit tests shouldn't depend on runtimes in standalone build 
llvm-svn: 201771
 2014-02-20 09:47:18 +00:00
Alexey Samsonov 31043152d3 Add rudimentary support for running compiler-rt lit tests with GCC 
llvm-svn: 201680
 2014-02-19 15:13:14 +00:00
Kostya Serebryany 699b975014 [tsan] improve the test that checks for lock inversion with 3 locks 
llvm-svn: 201676
 2014-02-19 14:24:31 +00:00
Kostya Serebryany b51f8d4990 [tsan] when printing a mutex, also print its address. Properly print the deadlock report. 
llvm-svn: 201675
 2014-02-19 14:17:25 +00:00
Alexey Samsonov cd8535a96d [CMake] Introduce COMPILER_RT_INCLUDE_TESTS option 
llvm-svn: 201666
 2014-02-19 11:18:47 +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 bd86a29a2a [sanitizer] make sure the deadlock detector survives the change of epochs; add a test and a comment 
llvm-svn: 201572
 2014-02-18 13:41:49 +00:00
Kostya Serebryany aa416c39cd [tsan] in deadlock detector do not register locks on their creation and unregister them on destruction; added a relevant test 
llvm-svn: 201568
 2014-02-18 12:50:31 +00:00
Kostya Serebryany 67bf8bd124 [tsan] one more lit test for deadlock detector; more to come 
llvm-svn: 201554
 2014-02-18 09:08:03 +00:00
Alexey Samsonov 1c9b9bcb5c Simplify defining Clang compile flags in lit configs 
llvm-svn: 201513
 2014-02-17 13:08:10 +00:00
Alexey Samsonov e6a6183e9b Move TSan lit-tests under test/tsan 
llvm-svn: 201414
 2014-02-14 14:35:48 +00:00