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2018-06-20Merge branch 'lukas/erts/etp-aux-work-fixes' into maintLukas Larsson
* lukas/erts/etp-aux-work-fixes: erts: Update etp-commands with correct aux_flags
2018-06-18erts: Update etp-commands with correct aux_flagsLukas Larsson
2018-06-18Update copyright yearHenrik Nord
2018-06-11Merge branch 'sverker/process-info-exiting'Sverker Eriksson
* sverker/process-info-exiting: erts: Fix incoming signal handling for exiting process
2018-06-11erts: Fix incoming signal handling for exiting processSverker Eriksson
Seen symptom: handle_process_info() called with is_alive=1 on exiting process, reading broken Process.u.initial.module atom overwritten by Process.u.terminate pointer. Solution: Let erts_proc_sig_handle_incoming() do nothing if process is already exiting.
2018-06-11Merge branch 'lukas/kernel/logger-config/OTP-13295'Lukas Larsson
* lukas/kernel/logger-config/OTP-13295: erts: Fix emulator log messages to use erlang:system_time kernel: Add LOGGER_SERVER_TAG to logger_server
2018-06-07Merge branch 'sverker/ets-auto-unfix-delete-race/OTP-15109'Sverker Eriksson
* sverker/ets-auto-unfix-delete-race/OTP-15109: erts: Fix race between ets table deletion and auto-unfix
2018-06-07erts: Fix race between ets table deletion and auto-unfixSverker Eriksson
Bug exists since ets-refs were introduced in 20.0 0d6dc895744c34c9c52fd42f4801a8a941864ae3. Problem: 1. Process A fixates table T. 2. Process B starts deleting table T (either by ets:delete or exit) and does tid_clear(). 3. Process A exits and does proc_cleanup_fixed_table() and get NULL from btid2tab() and deallocates DbFixation. 4. Process B continues deleting table in free_fixations_locked() and finds the deallocated DbFixation in the fixing_procs tree. Solution: Wait with tid_clear() until after free_fixations_locked() has traversed the fixing_procs tree.
2018-06-05Merge branch 'sverker/broken-sig-queue'Sverker Eriksson
* sverker/broken-sig-queue: erts: Cleanup in proc_queue_signal erts: Fix broken signal queue
2018-06-05erts: Cleanup in proc_queue_signalSverker Eriksson
* Remove 'last' arg to sig_enqueue_trace_cleanup * Only notify 'rp' if enqueue succeeded
2018-06-05erts: Fix broken signal queueSverker Eriksson
broken on master by 613cde66c25464121f2f6dace99782bad0e07d9b Scenario: proc_queue_signal() fails to send switched pending signal due to state & ERTS_PSFLG_FREE, and then calls erts_proc_sig_send_monitor_down() to enqueue to self followed by sig_enqueue_trace_cleanup() that destroyed 'next' pointer of enqueued signal. Solution: Switch order and do sig_enqueue_trace_cleanup() first.
2018-06-05mikpe/erts-port_task-invalid-call/PR-1828/ERL-621/OTP-15108Lukas Larsson
do not call abort_signal_task() with invalid data
2018-06-05erts: Fix emulator log messages to use erlang:system_timeLukas Larsson
This was changed in the logger in 8aa64c90ddd20ec0ca8cc5fe92a6124324c51da5.
2018-06-04Merge branch 'sverker/pooled-age-order'Sverker Eriksson
* sverker/pooled-age-order: erts: Let allocator pooled_tree also use Age Order
2018-06-04Merge branch 'sverker/erlang-memory-fix'Sverker Eriksson
* sverker/erlang-memory-fix: erts: Purge unused allocation types erts: Fix erlang:memory for 'processes' and 'processes_used'
2018-06-04Merge branch 'sverker/ets-count/OTP-14987'Sverker Eriksson
* sverker/ets-count/OTP-14987: erts,stdlib: Improve docs about obsolete ets_limit erts: Reduce test log noise from ets_SUITE erts: Increase scalability of ets name lookup erts: Rename one of delete_trap to select_delete_trap erts: Refactor usage of am_atom_put to ERTS_MAKE_AM erts: Add system_info(ets_count) erts: Fix narrow race between ets:new and ets:delete
2018-06-04erts: Increase scalability of ets name lookupSverker Eriksson
by expanding the default size of the hash table and increase number of locks.
2018-06-04erts: Rename one of delete_trap to select_delete_trapSverker Eriksson
2018-06-04erts: Refactor usage of am_atom_put to ERTS_MAKE_AMSverker Eriksson
and let compiler determine string lengths. These were actually wrong in erl_db.c: count_trap\0 replace_tra select_tra
2018-06-04erts: Add system_info(ets_count)Sverker Eriksson
2018-05-29do not call abort_signal_task() with invalid dataMikael Pettersson
2018-05-25erts: Make sure scheduler_data is setLukas Larsson
If scheduler_data is not set correctly on normal schedulers the code in erts_schedule_time_break and possibly others will trigger asserts.
2018-05-22erts: Purge unused allocation typesSverker Eriksson
2018-05-22erts: Let allocator pooled_tree also use Age OrderSverker Eriksson
if configured for the allocator. This was not implemented and pooled_tree always used address order first fit. The "problem" was as a carrier can be part of both the pooled tree (of its owner) and the allocation tree (of a foreign instance) at the same time. Solved by duplicating 'birth_time' in both AOFF_RBTree_t nodes for each carrier. Blocks still cannot use age order and does not pay any memory cost for birth_time.
2018-05-21Merge branch 'lukas/erts/cpu_time_thread/OTP-15090'Lukas Larsson
* lukas/erts/cpu_time_thread/OTP-15090: erts: Make cpu_timestamp use per thread on Linux
2018-05-18erts: Fix narrow race between ets:new and ets:deleteSverker Eriksson
of same named table. If other process does ets:delete before ets:new has completely finished and done save_owned_table then ets:delete might do delete_owned_table and deref wild pointers in tb->common.owned.
2018-05-18erts: Add some missing doxygen docsSverker Eriksson
2018-05-18Merge branch 'sverker/ets-delete_all_objects-trap/OTP-15078'Sverker Eriksson
* sverker/ets-delete_all_objects-trap/OTP-15078: erts: Rename untrapping db_free_*empty*_table erts: Make ets:delete_all_objects yield on fixed table erts: Optimize ets delete all in fixed table erts: Refactor ets select iteration code erts: Cleanup ets code erts: Optimize ets hash object deallocactions erts: Refactor pseudo deleted ets objects erts: Make atomic ets:delete_all_objects yield erts: Fix reduction bump for ets:delete/1
2018-05-18Merge branch 'sverker/system-profile-bug/OTP-15085'Sverker Eriksson
* sverker/system-profile-bug/OTP-15085: erts: Fix bug in system_profile
2018-05-18erts: Fix bug in system_profileSverker Eriksson
seen to cause redundant {profile,_,active,_,_} messages when process is terminating.
2018-05-18Merge branch 'rickard/delete_process_schedule/OTP-15081'Rikard Green
* rickard/delete_process_schedule/OTP-15081: Do not hold runq lock while deleting a process
2018-05-17Merge branch 'sverker/maps-iterator-order' againSverker Eriksson
2018-05-17Merge PR-1819 from sverker/enif_binary_to_term-bug/OTP-15080Sverker Eriksson
Fix bug in enif_binary_to_term for immediates
2018-05-16erts: Silence gcc warningsSverker Eriksson
‘res’ may be used uninitialized in this function
2018-05-16erts: Fix bug in enif_binary_to_term for immediatesSverker Eriksson
Symptom: Heap corruption Expanded test case to provoke this bug and test some more term types.
2018-05-16Merge branch 'sverker/maps-iterator-order'Sverker Eriksson
2018-05-16Merge branch 'rickard/suspend/OTP-14964'Rickard Green
* rickard/suspend/OTP-14964: Fix erts_try_lock_sig_free_proc() Update etp Replace previous suspend in setnode/3 New process suspend implementation based on async signaling Teach HiPE to yield from receive
2018-05-16Fix erts_try_lock_sig_free_proc()Rickard Green
2018-05-16Replace previous suspend in setnode/3Rickard Green
2018-05-16New process suspend implementation based on async signalingRickard Green
2018-05-16Teach HiPE to yield from receiveRickard Green
2018-05-15erts: Fix bug when scheduling monitor-msg comboSverker Eriksson
Bug introduced in master by 613cde66c25464121f2f6dace99782bad0e07d9b
2018-05-15erts: Refactor new erts_make_dirty_proc_handledSverker Eriksson
from ensure_dirty_proc_handled as an outline function callable from inline functions.
2018-05-15Do not hold runq lock while deleting a processRickard Green
2018-05-15erts: Make cpu_timestamp use per thread on LinuxLukas Larsson
If we don't use per thread the value becomes completely nonsensical on systems with more than one scheduler. We keep the old solaris behaviour in order to support the option, but it only really works when using a single scheduler.
2018-05-09erts: Try fix contant maps:next orderSverker Eriksson
Symptom: maps:iterator+next returns different orders for the exact same map. Problem: Number of cached key-values within iterator term depends on number of input reductions to erts_internal_map_next_3. Solution: Build cached key-values in destructive non-reverse order to not affect iteration order.
2018-05-08erts: Rename untrapping db_free_*empty*_tableSverker Eriksson
as it's now only used for empty tables by ets:new/2.
2018-05-08erts: Make ets:delete_all_objects yield on fixed tableSverker Eriksson
2018-05-08erts: Optimize ets delete all in fixed tableSverker Eriksson
by only allocating one FixedDeletion with the new "all" flag instead of one FixedDeletion per slot.
2018-05-08erts: Refactor ets select iteration codeSverker Eriksson
* Remove all "mtraversal_" prefixes. * Rename all local context variables as "ctx". * Changed callbacks from function arguments to members of new base context struct "match_callbacks_t" * Remove unnecessary struct initializations "= {0}"