This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Depends on D112602.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112603
This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Depends on D112602.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112603
This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Depends on D112602.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112603
This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Differential Revision: https://reviews.llvm.org/D112603
This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Depends on D112602.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112603
This change switches tsan to the new runtime which features:
- 2x smaller shadow memory (2x of app memory)
- faster fully vectorized race detection
- small fixed-size vector clocks (512b)
- fast vectorized vector clock operations
- unlimited number of alive threads/goroutimes
Depends on D112602.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112603
MutexSet is too large to be allocated on stack.
But we need local MutexSet objects in few places
and use various hacks to allocate them.
Add DynamicMutexSet helper that simplifies allocation
of such objects.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D112449
The default compiler-generated MutexSet::Desc::operator=()
now contains memcpy() call since Desc become bigger.
This fails in debug mode since we call interceptor from within the runtime.
Define own operator=() using internal_memcpy().
This also makes copy ctor necessary, otherwise:
tsan_mutexset.h:33:11: warning: definition of implicit copy constructor for
'Desc' is deprecated because it has a user-declared copy assignment operator
And if we add copy ctor, we also need the default ctor
since it's called by MutexSet ctor.
Depends on D107911.
Reviewed By: melver
Differential Revision: https://reviews.llvm.org/D107959
We currently memorize u64 id + epoch for each mutex.
The new tsan runtime will memorize address + stack_id instead.
But switching to address + stack_id requires new trace,
which in turn requires new MutexSet and some other changes.
Extend MutexSet to support both new and old info to break
the dependency cycles. The plan is to remove the old
info/methods after switching to the new runtime.
Reviewed By: vitalybuka, melver
Differential Revision: https://reviews.llvm.org/D107910
Dmitry Vyukov