weiyu [Tue, 15 Oct 2019 23:26:09 +0000 (16:26 -0700)]
Fixes
weiyu [Tue, 15 Oct 2019 19:41:26 +0000 (12:41 -0700)]
Add sleep score
weiyu [Tue, 15 Oct 2019 00:48:50 +0000 (17:48 -0700)]
Little adjustment
weiyu [Sat, 12 Oct 2019 02:35:06 +0000 (19:35 -0700)]
Fix bug
weiyu [Fri, 11 Oct 2019 23:09:13 +0000 (16:09 -0700)]
Add an exit node in predicate trees
weiyu [Fri, 11 Oct 2019 00:33:57 +0000 (17:33 -0700)]
Design a method to select predicate branches based on exploration counts
weiyu [Thu, 10 Oct 2019 18:50:04 +0000 (11:50 -0700)]
Avoid using a HashTable to associate FuncInsts with ModelActions; a slight improvement in performance
weiyu [Thu, 10 Oct 2019 00:34:25 +0000 (17:34 -0700)]
Turns out that calling Predicate::evaluate in FuncNode::follow_branch and NewFuzzer::prune_writes slows down the fuzzer
weiyu [Thu, 10 Oct 2019 00:32:32 +0000 (17:32 -0700)]
Performance fix; delete unused data structures
weiyu [Wed, 9 Oct 2019 22:54:44 +0000 (15:54 -0700)]
Select a new predicate branch when the selected branch in the predicate tree fails and the failed thread can not find any other thread to wait for
weiyu [Wed, 9 Oct 2019 22:09:42 +0000 (15:09 -0700)]
Some edits
weiyu [Wed, 9 Oct 2019 02:00:15 +0000 (19:00 -0700)]
Toward implementing the counter approach to monitor threads
weiyu [Tue, 8 Oct 2019 22:11:06 +0000 (15:11 -0700)]
Monitor threads when they enter functions and decide if others (if there is any) should keep waiting for them
weiyu [Tue, 8 Oct 2019 20:35:53 +0000 (13:35 -0700)]
Add some documentation for WaitObj
weiyu [Tue, 8 Oct 2019 20:28:49 +0000 (13:28 -0700)]
BFS with distance was not implemented correctly
weiyu [Tue, 8 Oct 2019 20:01:21 +0000 (13:01 -0700)]
Fix a bug
weiyu [Tue, 8 Oct 2019 01:28:20 +0000 (18:28 -0700)]
Every time a thread enters a function, check whether other threads should still wait for this thread or not.
weiyu [Mon, 7 Oct 2019 18:55:22 +0000 (11:55 -0700)]
Fix methods
weiyu [Sat, 5 Oct 2019 02:02:10 +0000 (19:02 -0700)]
Add some methods for WaitObj
weiyu [Sat, 5 Oct 2019 01:39:15 +0000 (18:39 -0700)]
Create WaitObj to store information about which thread is waiting for whom and is waiting by whom
weiyu [Sat, 5 Oct 2019 01:36:29 +0000 (18:36 -0700)]
Add default memory allocation and free functions for HSIterator and some other tiny stuff
weiyu [Fri, 4 Oct 2019 00:51:41 +0000 (17:51 -0700)]
Compute the threads that a paused thread my wait for
weiyu [Thu, 3 Oct 2019 01:26:36 +0000 (18:26 -0700)]
Toward computing which threads a paused thread may wait for
weiyu [Wed, 2 Oct 2019 23:23:56 +0000 (16:23 -0700)]
Do not unset FuncInst locations when new executions start; check if execution numbers match instead
weiyu [Wed, 2 Oct 2019 02:16:54 +0000 (19:16 -0700)]
Reorganize codes
weiyu [Wed, 2 Oct 2019 02:00:42 +0000 (19:00 -0700)]
Move one snapshotted data structure from ModelHistory to ModelExecution
weiyu [Wed, 2 Oct 2019 01:43:44 +0000 (18:43 -0700)]
Fix a memory bug
weiyu [Tue, 1 Oct 2019 02:29:29 +0000 (19:29 -0700)]
Free memory
weiyu [Tue, 1 Oct 2019 02:28:24 +0000 (19:28 -0700)]
Notify threads paused by the Fuzzer when the desired write is available
weiyu [Mon, 30 Sep 2019 18:14:07 +0000 (11:14 -0700)]
Clear headers
weiyu [Mon, 30 Sep 2019 18:05:30 +0000 (11:05 -0700)]
Change the return type of Predicate::evaluate
weiyu [Mon, 30 Sep 2019 17:41:07 +0000 (10:41 -0700)]
Concrete predicate class
weiyu [Mon, 30 Sep 2019 17:39:12 +0000 (10:39 -0700)]
Factor predicate expression types into a separate file
weiyu [Fri, 27 Sep 2019 00:30:01 +0000 (17:30 -0700)]
Able to evaluate predicate expression against a 'context' and generate concrete predicates
weiyu [Thu, 26 Sep 2019 23:57:17 +0000 (16:57 -0700)]
Need to free memory
weiyu [Thu, 26 Sep 2019 19:52:24 +0000 (12:52 -0700)]
Fix a bug
weiyu [Thu, 19 Sep 2019 00:59:52 +0000 (17:59 -0700)]
Fix a bug in pthread_mutex_unlock; initialize mutex if necessary when pthread_mutex_timedlock is called
weiyu [Thu, 19 Sep 2019 00:55:27 +0000 (17:55 -0700)]
Keep track of which FuncNodes may write to a memory location
weiyu [Tue, 17 Sep 2019 02:45:34 +0000 (19:45 -0700)]
Add comment about the difference between ModelAction::is_write and FuncInst::is_write
weiyu [Mon, 16 Sep 2019 23:28:41 +0000 (16:28 -0700)]
Construct the graph of methods based on the order that methods are called, rather than construct it as a call graph
weiyu [Fri, 13 Sep 2019 02:02:10 +0000 (19:02 -0700)]
Add edges between FuncNodes
weiyu [Thu, 12 Sep 2019 21:03:28 +0000 (14:03 -0700)]
Change action_list_buffer to snapshot memory instead of half-shapshot-half-non-snapshot
weiyu [Wed, 11 Sep 2019 00:21:35 +0000 (17:21 -0700)]
Make sure that actions that do writes are labeled correctly in predicate trees
weiyu [Tue, 10 Sep 2019 01:32:24 +0000 (18:32 -0700)]
Reorganize codes
weiyu [Tue, 10 Sep 2019 01:17:58 +0000 (18:17 -0700)]
Add atomic write actions to predicate trees
weiyu [Mon, 9 Sep 2019 23:49:47 +0000 (16:49 -0700)]
Remove an unused data structure
weiyu [Mon, 9 Sep 2019 23:41:00 +0000 (16:41 -0700)]
Remove unused codes
weiyu [Fri, 6 Sep 2019 18:43:03 +0000 (11:43 -0700)]
Modify the implementation of wait and timed wait operation
weiyu [Thu, 5 Sep 2019 01:34:24 +0000 (18:34 -0700)]
Do not process read actions paused by the fuzzer
weiyu [Thu, 5 Sep 2019 01:26:56 +0000 (18:26 -0700)]
seems to work
weiyu [Thu, 5 Sep 2019 00:49:56 +0000 (17:49 -0700)]
When an atomic read action cannot read from a desired write, make this thread sleep; half working now, still got some bug to fix
weiyu [Tue, 3 Sep 2019 20:53:45 +0000 (13:53 -0700)]
split add_action_to_lists into to two functions and change the order of how things are processed in check_current_action
weiyu [Fri, 30 Aug 2019 20:04:20 +0000 (13:04 -0700)]
remove a redundant member function that I added before
weiyu [Thu, 29 Aug 2019 23:02:17 +0000 (16:02 -0700)]
fix bug by changing MEMALLOC to SNAPSHOTALLOC
weiyu [Thu, 29 Aug 2019 19:48:51 +0000 (12:48 -0700)]
improve efficiency of selectWrite
weiyu [Thu, 29 Aug 2019 01:18:18 +0000 (18:18 -0700)]
remove unused member functions
weiyu [Wed, 28 Aug 2019 22:27:43 +0000 (15:27 -0700)]
move codes around in history.cc, and NewFuzzer::selectWrite is half working
weiyu [Wed, 28 Aug 2019 22:20:03 +0000 (15:20 -0700)]
remove unused member functions and add a new data structure
weiyu [Wed, 28 Aug 2019 00:28:48 +0000 (17:28 -0700)]
only select a new predicate branch when new read actions are processed
weiyu [Tue, 27 Aug 2019 00:27:21 +0000 (17:27 -0700)]
some edits to NewFuzzer
weiyu [Tue, 27 Aug 2019 00:22:53 +0000 (17:22 -0700)]
performace fix
weiyu [Mon, 26 Aug 2019 23:05:36 +0000 (16:05 -0700)]
fix bug
weiyu [Mon, 26 Aug 2019 22:27:48 +0000 (15:27 -0700)]
add a data structrue to keep track of the run-time position in the predicate tree for each thread
weiyu [Mon, 26 Aug 2019 20:26:44 +0000 (13:26 -0700)]
initial commit for declaring member functions of Fuzzer as virtual
weiyu [Sat, 24 Aug 2019 00:02:08 +0000 (17:02 -0700)]
only generate NULLITY predicate when it has ever been NULL; able to amend predicates that contain no predicate expressions
weiyu [Fri, 23 Aug 2019 22:50:19 +0000 (15:50 -0700)]
get rid of an unused function
weiyu [Fri, 23 Aug 2019 22:49:02 +0000 (15:49 -0700)]
restructure the codes that generate predicates
weiyu [Fri, 23 Aug 2019 01:19:06 +0000 (18:19 -0700)]
restructure code and working on deconstructors
weiyu [Thu, 22 Aug 2019 20:32:44 +0000 (13:32 -0700)]
experiment with generating equality predicates across memory locations; it seems to work, but codes can be reorganized
weiyu [Thu, 22 Aug 2019 19:53:17 +0000 (12:53 -0700)]
deduce which locations may share the same value from val_loc_map
weiyu [Thu, 22 Aug 2019 01:55:41 +0000 (18:55 -0700)]
update FuncNodes when there is a write
weiyu [Wed, 21 Aug 2019 20:52:25 +0000 (13:52 -0700)]
add helper functions; prepare for computing which memory locations may store the same values
weiyu [Tue, 20 Aug 2019 22:26:09 +0000 (15:26 -0700)]
Merge branch 'master' into branch-weiyu
weiyu [Tue, 20 Aug 2019 22:23:26 +0000 (15:23 -0700)]
allow ModelHistory to process non-atomic actions when they are created
weiyu [Tue, 20 Aug 2019 22:19:59 +0000 (15:19 -0700)]
reset memory locations of FuncInsts when new executions start
bdemsky [Tue, 20 Aug 2019 21:26:37 +0000 (14:26 -0700)]
Add mailing list
bdemsky [Tue, 20 Aug 2019 21:21:46 +0000 (14:21 -0700)]
Remove msqueue test case
bdemsky [Tue, 20 Aug 2019 04:47:31 +0000 (21:47 -0700)]
Fix compile and readme
weiyu [Tue, 20 Aug 2019 00:23:22 +0000 (17:23 -0700)]
memory locations should not outlive executions
weiyu [Fri, 16 Aug 2019 23:59:31 +0000 (16:59 -0700)]
change the way to detect loops
weiyu [Fri, 16 Aug 2019 19:23:29 +0000 (12:23 -0700)]
defer the initial update of predicate tree for a better quality tree; generate nullity predicates when new Predicate nodes are created instead of changing unset predicates to nullity later
weiyu [Fri, 16 Aug 2019 02:05:01 +0000 (19:05 -0700)]
try to infer nullity predicate inside update_predicate_tree. Maybe rethink about the way to check back edges
weiyu [Thu, 15 Aug 2019 02:16:47 +0000 (19:16 -0700)]
change the structure of predicate expressions, and modify the way nullity predicates are added
weiyu [Wed, 14 Aug 2019 23:33:55 +0000 (16:33 -0700)]
experiment with adding NULLITY predicate
weiyu [Tue, 13 Aug 2019 00:46:25 +0000 (17:46 -0700)]
do optimization for FuncNode::update_tree
weiyu [Mon, 12 Aug 2019 22:47:03 +0000 (15:47 -0700)]
revert commit
weiyu [Mon, 12 Aug 2019 22:27:52 +0000 (15:27 -0700)]
fix a bug about get_reads_from_value
weiyu [Fri, 9 Aug 2019 23:06:34 +0000 (16:06 -0700)]
get rid of read_val_map; A bug is discovered.
weiyu [Fri, 9 Aug 2019 20:09:46 +0000 (13:09 -0700)]
fix bug - 'backedge' in predicate.cc uninitialized
weiyu [Fri, 9 Aug 2019 01:45:42 +0000 (18:45 -0700)]
fix bug
weiyu [Thu, 8 Aug 2019 23:16:58 +0000 (16:16 -0700)]
add a dummy predicate entry node to make code simpler; back edges are also added
weiyu [Thu, 8 Aug 2019 00:27:13 +0000 (17:27 -0700)]
restructrue code of funcnode.cc, and planning for adding back edges in predicate tree
weiyu [Wed, 7 Aug 2019 02:02:42 +0000 (19:02 -0700)]
Split FuncNode::get_or_add_inst into two separate functions. Call add_inst inside process_action so that func_insts corresponding to ATOMIC RMWRCAS actions are created before those actions are converted to ATOMIC RMWR or ATOMIC READ
weiyu [Tue, 6 Aug 2019 20:38:58 +0000 (13:38 -0700)]
move modelhistory code back
weiyu [Tue, 6 Aug 2019 00:28:10 +0000 (17:28 -0700)]
toward updating predicate trees every time a function exits
weiyu [Mon, 5 Aug 2019 22:39:02 +0000 (15:39 -0700)]
move the codes that add actions to thrd_func_act_lists from history.cc to ModelExecution::add_action_to_lists
weiyu [Mon, 5 Aug 2019 20:15:08 +0000 (13:15 -0700)]
fix a bug and print predicate tree in xdot syntax
weiyu [Sat, 3 Aug 2019 01:12:10 +0000 (18:12 -0700)]
toward building a naive predicate tree
weiyu [Sat, 3 Aug 2019 01:10:22 +0000 (18:10 -0700)]
add print
weiyu [Fri, 2 Aug 2019 06:11:13 +0000 (23:11 -0700)]
move code around