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2017-11-07Merge branch 'sverker/systask-reqid-bug'Sverker Eriksson
* sverker/systask-reqid-bug: erts: Fix bug in systask scheduling
2017-11-06erts: Fix bug in systask schedulingSverker Eriksson
when request id is an immediate. Ex: erlang:garbage_collect(P, [{async,Immediate}]). may crash the VM.
2017-11-02Remove process start time for crash dumpsRickard Green
2017-11-02Merge branch 'john/erts/msacc-dirty-schedulers/OTP-14707'John Högberg
2017-10-25Stop assuming that all schedulers are managed when updating msaccJohn Högberg
This fixes statistics_SUITE:msacc when dirty schedulers are used during the test.
2017-10-12Merge branch 'maint'Lukas Larsson
Conflicts: erts/emulator/beam/beam_bp.c erts/emulator/beam/erl_process.c
2017-10-12erts: Fix lock order when recv tracing trapped exit signalLukas Larsson
2017-10-02Merge branch 'lukas/erts/poll-thread/OTP-14346'Lukas Larsson
* lukas/erts/poll-thread/OTP-14346: (25 commits) erts: Trigger ready events when erts_io_control fails erts: enif_select steal test kernel: Rewrite gen_udp_SUITE:read_packet tc erts: disable kernel-poll on OS X vsn < 16 erts: Fix msacc testcase with new poll-thread erts: Add testcases to test IOp and IOt options erts: get_internal_state(check_io_debug) now prints to error_logger erts: Remove eager check io erts: Move all I/O polling to a seperate thread erts: Fix smp_select testcase to use ERL_DRV_USE erts: Fix msacc unmanaged state counter erts: Optimize port_task quick allocator erts: Add ERTS_THR_PREF_QUICK_ALLOC_IMPL erts: Update suspend of scheduler to handle multiple pollsets erts: Add multiple poll sets erts: Some code cleanup for gdb to work better erts: temp_alloc can no longer be disabled erts: Refactor check_io to use one static struct erts: Replace check_io spinlock with lock-less list insertion erts: Add number of enif_select's to check_io_debug ...
2017-10-02erts: Remove eager check ioLukas Larsson
It is not longer relevant when using the poll thread
2017-10-02erts: Move all I/O polling to a seperate threadLukas Larsson
2017-10-02erts: Optimize port_task quick allocatorSverker Eriksson
for non scheduler threads by using ERTS_THR_PREF_QUICK_ALLOC_IMPL.
2017-10-02erts: Update suspend of scheduler to handle multiple pollsetsRickard Green
2017-10-02erts: Add multiple poll setsSverker Eriksson
2017-10-02erts: Some code cleanup for gdb to work betterLukas Larsson
2017-09-21erts: Print the error reason when threads fail to startLukas Larsson
2017-09-15erts: Refactor move check_io interface from sys to check_ioSverker Eriksson
# Conflicts: # erts/emulator/beam/erl_process.c # erts/emulator/beam/sys.h # erts/emulator/sys/common/erl_check_io.c # erts/emulator/sys/common/erl_check_io.h # erts/emulator/sys/unix/sys.c
2017-09-15Merge branch 'lukas/erts/remove-dirty-scheduler-defines/OTP-14613'Lukas Larsson
* lukas/erts/remove-dirty-scheduler-defines/OTP-14613: erts: Remove possibility to disable dirty schedulers
2017-09-12Merge branch 'maint'Sverker Eriksson
2017-09-12Merge branch 'sverker/valgrind-fixes/OTP-14609' into maintSverker Eriksson
* sverker/valgrind-fixes/OTP-14609: erts: Suppress false memory leak for dlerror [ct] Cleanup and rename purify related functions as valgrind Revert "remove unused purify functions" erts: Fix memory leak when sending to terminating port erts: Fix harmless use of uninitialised value
2017-09-11Merge branch 'maint'Lukas Larsson
Conflicts: erts/emulator/sys/unix/sys.c
2017-09-11Fix unused-functions warningsLukas Larsson
2017-09-11erts: Remove possibility to disable dirty schedulersLukas Larsson
2017-08-28erts: Fix harmless use of uninitialised valueSverker Eriksson
Conditional jump or move depends on uninitialised value(s): erts_msgq_update_internal_pointers:487 (-> 0x5A7AF9) [erl_message.h] erts_msgq_replace_msg_ref:496 (-> 0x5A7B4C) [erl_message.h] move_msgq_to_heap:2487 (-> 0x5AED4F) [erl_gc.c] minor_collection:1380 (-> 0x5AB3F4) [erl_gc.c]
2017-08-28Merge branch 'rickard/dist/OTP-14459' into rickard/dist/master/OTP-14459Rickard Green
Conflicts: erts/emulator/beam/bif.c erts/emulator/beam/dist.c erts/emulator/beam/dist.h erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_node_tables.c erts/emulator/beam/erl_node_tables.h erts/emulator/beam/external.c
2017-08-28Optimize dist entry managementRickard Green
2017-08-28Support for distribution controller processesRickard Green
2017-08-23Merge branch 'lukas/erts/fix_dirty_trace_message_flush/OTP-14538'Lukas Larsson
* lukas/erts/fix_dirty_trace_message_flush/OTP-14538: erts: Fix incorrect merge of dirty_trace_message_flush fix to master
2017-08-23erts: Fix incorrect merge of dirty_trace_message_flush fix to masterLukas Larsson
2017-08-16Merge branch 'maint'Lukas Larsson
Conflicts: erts/emulator/beam/erl_nif.c erts/emulator/beam/erl_process.c
2017-08-16Merge branch 'lukas/erts/fix_dirty_trace_message_flush/OTP-14538' into maintLukas Larsson
* lukas/erts/fix_dirty_trace_message_flush/OTP-14538: erts: Must have main lock when flushing trace messages
2017-07-17erts: Replace usage of all erts_smp prefixes to just ertsLukas Larsson
2017-07-17erts: Cleanup removal of non-smp emulatorsLukas Larsson
2017-07-17erts: Remove ERTS_SMP and USE_THREAD definesLukas Larsson
This refactor was done using the unifdef tool like this: for file in $(find erts/ -name *.[ch]); do unifdef -t -f defile -o $file $file; done where defile contained: #define ERTS_SMP 1 #define USE_THREADS 1 #define DDLL_SMP 1 #define ERTS_HAVE_SMP_EMU 1 #define SMP 1 #define ERL_BITS_REENTRANT 1 #define ERTS_USE_ASYNC_READY_Q 1 #define FDBLOCK 1 #undef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT #define ERTS_POLL_ASYNC_INTERRUPT_SUPPORT 0 #define ERTS_POLL_USE_WAKEUP_PIPE 1 #define ERTS_POLL_USE_UPDATE_REQUESTS_QUEUE 1 #undef ERTS_HAVE_PLAIN_EMU #undef ERTS_SIGNAL_STATE
2017-07-06Merge branch 'maint'John Högberg
2017-07-06Merge branch 'john/erts/runtime-lcnt' into maintJohn Högberg
* john/erts/runtime-lcnt: Document rt_mask and add warnings about copy_save Add an emulator test suite for lock counting Break erts_debug:lock_counters/1 into separate BIFs Allow toggling lock counting at runtime Move lock flags to a common header Enable register_SUITE for lcnt builds Enable lcnt smoke test on all builds that have lcnt enabled Make lock counter info independent of the locks being counted OTP-14412 OTP-13170 OTP-14413
2017-07-06Allow toggling lock counting at runtimeJohn Högberg
The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and all categories are still enabled by default, but the actual counting can be toggled at will. OTP-13170
2017-06-15erts: Must have main lock when flushing trace messagesLukas Larsson
If we don't have the main lock, multiple threads may come in and do the flush at the same time which will lead to all kinds of strang problems.
2017-06-14Remove noisy and redundant #ifdefsJohn Högberg
The relevant macros are already guarded by said #ifdefs.
2017-06-14Assert that enqueue_later_op must not run on a dirty scheduler.John Högberg
You're not supposed to do this, but it behaved correctly even with a debug build aside from degraded performance (The scheduler started to busy-wait for new operations rather than sleep).
2017-06-08Merge branch 'rickard/purge-hibernated-20'Rickard Green
* rickard/purge-hibernated-20: Update testcase to check that purge handle hibernated process correct Do not GC hibernated process from other processes Fix check_process_code() on hibernated process
2017-06-07Merge branch 'rickard/purge-hibernated-19/ERIERL-24/OTP-14444' into maint-19Erlang/OTP
* rickard/purge-hibernated-19/ERIERL-24/OTP-14444: Update testcase to check that purge handle hibernated process correct Do not GC hibernated process from other processes Fix check_process_code() on hibernated process
2017-06-01Merge branch 'rickard/purge-hibernated-19' into rickard/purge-hibernated-20Rickard Green
* rickard/purge-hibernated-19: Do not GC hibernated process from other processes Fix check_process_code() on hibernated process Conflicts: erts/emulator/beam/beam_bif_load.c erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h
2017-06-01Merge branch 'rickard/purge-hibernated' into rickard/purge-hibernated-19Rickard Green
* rickard/purge-hibernated: Do not GC hibernated process from other processes Fix check_process_code() on hibernated process Conflicts: erts/emulator/beam/beam_bif_load.c erts/emulator/beam/erl_gc.c erts/emulator/beam/erl_process.h
2017-06-01Do not GC hibernated process from other processesRickard Green
2017-05-31Make sure that asynchronous replies are not lostBjörn Gustavsson
(First attempt to fix in 23f132d9ab776a.) If an synchronous GC was requested by calling: erlang:garbage_collect(Pid, [{async,Ref}]) the reply message could in certain circumstances be lost. The problem is that cleanup_sys_tasks() is never called if there are dirty tasks, but no other active system tasks. Also shorten the long waiting times in the test case binary_SUITE:trapping/1 to make it much more likely that the GC have not already finished when the process is killed.
2017-05-29erl_process.c: Add more assertions in process terminationBjörn Gustavsson
Before terminating a process, add assertions to make sure that all queues for system tasks have been emptied.
2017-05-29Make sure that asynchronous replies are not lostBjörn Gustavsson
If an synchronous GC was requested by calling: erlang:garbage_collect(Pid, [{async,Ref}]) the reply message could in certain circumstances be lost. The problem is in cleanup_sys_tasks() in erl_process.c. If there were at least one dirty task, only the first dirty task would be cleaned up. All other systems tasks would not be cleaned up (that is, no replies would be sent to other processes waiting for the tasks to finish).
2017-05-19Merge branch 'rickard/ds-runqs'Rickard Green
OTP-14152 * rickard/ds-runqs: Make statistics/1 aware of dirty run-queues and tasks
2017-05-19Make statistics/1 aware of dirty run-queues and tasksRickard Green
2017-05-16Merge pull request #1436 from garazdawi/lukas/erts/remove_unused_functionsLukas Larsson
erts: Remove old unused functions
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