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[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
This commit is contained in:
Kostya Serebryany 2014-03-17 14:56:04 +00:00
parent 8976539627
commit f01c094cdd
2 changed files with 6 additions and 6 deletions
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4
compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector.h
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@ -231,8 +231,8 @@ class DeadlockDetector {
added_edges, ARRAY_SIZE(added_edges));
for (uptr i = 0; i < n_added_edges; i++) {
if (n_edges_ < ARRAY_SIZE(edges_))
edges_[n_edges_++] = Edge((u16)added_edges[i], (u16)cur_idx, stk,
dtls->findLockContext(added_edges[i]));
edges_[n_edges_++] = Edge((u16)added_edges[i], (u16)cur_idx,
dtls->findLockContext(added_edges[i]), stk);
// Printf("Edge [%zd]: %u %zd=>%zd\n", i, stk, added_edges[i], cur_idx);
}
return n_added_edges;

8
compiler-rt/test/tsan/deadlock_detector_stress_test.cc
View File

@ -417,13 +417,13 @@ class LockTest {
fprintf(stderr, "Starting Test16: detailed output test with two locks\n");
// CHECK: Starting Test16
// CHECK: WARNING: ThreadSanitizer: lock-order-inversion
// CHECK: LockTest::Acquire0
// CHECK-NEXT: LockTest::Acquire_0_then_1
// CHECK: LockTest::Acquire1
// CHECK-NEXT: LockTest::Acquire_0_then_1
// CHECK: LockTest::Acquire0
// CHECK-NEXT: LockTest::Acquire_0_then_1
// CHECK: LockTest::Acquire0
// CHECK: LockTest::Acquire1
// CHECK-NEXT: LockTest::Acquire_1_then_0
// CHECK: LockTest::Acquire1
// CHECK: LockTest::Acquire0
// CHECK-NEXT: LockTest::Acquire_1_then_0
Init(5);
Acquire_0_then_1();