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2016-01-29Remove faulty assertsRickard Green
2016-01-26Merge branch 'lukas/erts/gc_info/OTP-13265'Lukas Larsson
* lukas/erts/gc_info/OTP-13265: erts: Add garbage_collection_info to process_info/2 Conflicts: erts/emulator/beam/erl_bif_info.c
2016-01-22Merge branch 'maint'Rickard Green
* maint: Fix HL timer hard debug implementation Fix stack alignment problem in ethread test on arm Skip time_SUITE:timestamp on timewarp test
2016-01-22Merge branch 'rickard/test-fix' into maintRickard Green
* rickard/test-fix: Fix HL timer hard debug implementation Fix stack alignment problem in ethread test on arm Skip time_SUITE:timestamp on timewarp test
2016-01-20Merge branch 'maint'Rickard Green
* maint: Fix dirty scheduler check in handle_aux_work
2016-01-19Merge branch 'sverk/safe-purging/OTP-13122'Sverker Eriksson
* sverk/safe-purging/OTP-13122: erts: Ignore unexpected messages to erts_code_purger erts: Optimize erlang:check_process_code erts: Refactor check_process_code/3 erts: Make copy_literals more fail safe erts: Move copy_literals/2 from erlang to erts_internal erts: Make erlang:purge_module/1 safe erts: Refactor code:purge/1 and code:soft_purge/1 erts: Introduce erts_code_purger
2016-01-18Fix dirty scheduler check in handle_aux_workSteve Vinoski
2016-01-14Merge branch 'maint'Rickard Green
* maint: Do not allow aux work on dirty schedulers
2016-01-14Merge branch 'vinoski/dirty-sched-no-aux-work/OTP-13236' into maintRickard Green
* vinoski/dirty-sched-no-aux-work/OTP-13236: Do not allow aux work on dirty schedulers
2016-01-13erts: Optimize erlang:check_process_codeSverker Eriksson
by ignoring literals. erts_internal:check_process_code will be called again anyway (with option {copy_literals, true}) before the module is actually purged. No need to check literals twice.
2016-01-13erts: Make copy_literals more fail safeSverker Eriksson
* Same process must do enable-disable. * System process will force it and never get 'aborted'
2016-01-13erts: Move copy_literals/2 from erlang to erts_internalSverker Eriksson
as it's not a public interface.
2016-01-13erts: Make erlang:purge_module/1 safeSverker Eriksson
Problem: erlang:purge_module/1 is not safe in the sense that very bad things may happen if the code to be purged is still referred to by live processes. Introduce erts_internal:purge_module which is the same as the old erlang:purge_module BIF (except it returns false if no such old module). Implement erlang:purge_module in Erlang and let it invoke erts_code_purger for safe purging where all clogging processes first are killed.
2016-01-13Merge branch 'sverk/fvisibility-hidden/OTP-13227'Sverker Eriksson
* sverk/fvisibility-hidden/OTP-13227: erts: Allow -fvisibility=hidden for NIFs and drivers erts: Cleanup erl_driver.h for windows erts: Refactor ERL_NIF_INIT macro
2016-01-13erts: Introduce erts_code_purgerSverker Eriksson
as a system process with preloaded code.
2016-01-08erts: Allow -fvisibility=hidden for NIFs and driversSverker Eriksson
as is strongly recommended by gcc man page. We use __attribute__ ((visibility("default"))) to make sure the init functions are properly exported.
2016-01-08erts: Cleanup erl_driver.h for windowsSverker Eriksson
The comment is misleading and no need to "export" static windows drivers. DRIVER_INIT for dynamic windows drivers is defined in erl_win_dyn_driver.h
2016-01-08erts: Refactor ERL_NIF_INIT macroSverker Eriksson
2016-01-07Merge branch 'sverk/proc-dict-opt'Sverker Eriksson
OTP-13167 * sverk/proc-dict-opt: erts: Add new test case pdict_SUITE:mixed erts: Add 'fill_heap' to erts_debug:state_internal_state erts: Rename proc dict size to arraySize erts: Refactor proc dict with 'usedSlots' erts: Add sizeMask for faster proc dict indexing erts: Remove ProcDict.used erts: Add proc dict macros ERTS_PD_START/SIZE erts: Optimize away function "array_put" in proc dict erts: Optimize hashing in process dictionary
2016-01-07Merge branch 'sverk/check_process_code-fix'Sverker Eriksson
* sverk/check_process_code-fix: erts: Fix bug in check_process_code for literals
2015-12-30Merge branch 'maint'Rickard Green
* maint: Light weight statistics of run queue lengths Conflicts: erts/preloaded/ebin/erlang.beam
2015-12-30Merge branch 'rickard/rq-len/OTP-13201' into maintRickard Green
* rickard/rq-len/OTP-13201: Light weight statistics of run queue lengths
2015-12-30Light weight statistics of run queue lengthsRickard Green
- statistics(total_run_queue_lengths) - statistics(run_queue_lengths) - statistics(total_active_tasks) - statistics(active_tasks) Conflicts: erts/emulator/beam/erl_process.c
2015-12-30Merge branch 'maint'Rickard Green
* maint: Use monotonic time for call_time trace
2015-12-30Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix asynchronous BIF timer cancellation message reply
2015-12-30Fix HL timer hard debug implementationRickard Green
2015-12-29Fix asynchronous BIF timer cancellation message replyRickard Green
2015-12-23Use monotonic time for call_time traceRickard Green
2015-12-21Do not allow aux work on dirty schedulersSteve Vinoski
The nature of aux work is such that dirty schedulers should not attempt to perform it. Modify the code to ensure that dirty schedulers avoid aux work. Also fix an incorrect assumption about the size of a Uint in the ErtsDirtySchedId type.
2015-12-18Merge branch 'lv/fix-compilation-with-vm-probes/OTP-13209'Björn-Egil Dahlberg
* lv/fix-compilation-with-vm-probes/OTP-13209: Fix compilation with `--enable-vm-probes`
2015-12-18Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix offset_mqueue
2015-12-16Fix offset_mqueueRickard Green
2015-12-15erts: Fix bug in check_process_code for literalsSverker Eriksson
2015-12-15Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix check_process_code()
2015-12-15erts: Add 'fill_heap' to erts_debug:state_internal_stateSverker Eriksson
to make it easy to provoke GC inside/after a BIF or instruction.
2015-12-15erts: Rename proc dict size to arraySizeSverker Eriksson
for naming style consistency.
2015-12-15erts: Refactor proc dict with 'usedSlots'Sverker Eriksson
which is same as old homeSize + splitPosition.
2015-12-15Merge branch 'lukas/erts/forker'Lukas Larsson
* lukas/erts/forker: (28 commits) erts: Never abort in the forked child erts: Mend ASSERT makro for erl_child_setup erts: Allow enomem failures in port_SUITE erts: iter_port sleep longer on freebsd erts: Allow one dangling fd if there is a gethost port erts: Only use forker StackAck on freebsd erts: It is not possible to exit the forker driver erts: Add forker StartAck for port start flowcontrol erts: Fix large open_port arg segfault for win32 erts: Fix memory leak at async open port kernel: Remove cmd server for unix os:cmd erts: Add testcase for huge port environment erts: Move os_pid to port hash to child setup erts: Handle all EINTR and EAGAIN cases in child setup erts: Make child_setup work with large environments erts: Fix forker driver ifdefs for win32 erts: Fix uds socket handling for os x erts: Fix dereferencing of unaligned integer for sparc erts: Flatten too long io vectors in uds write erts: Add fd count test for spawn_driver ... Conflicts: erts/emulator/beam/erl_node_tables.c erts/preloaded/src/erts_internal.erl
2015-12-15erts: It is not possible to exit the forker driverLukas Larsson
2015-12-15erts: Fix memory leak at async open portLukas Larsson
When an async open port fails early, it would sometimes leak memory.
2015-12-15erts: Move os_pid to port hash to child setupLukas Larsson
Had to move the hashing because of a race that can otherwise happen where a new os_pid value was inserted into the hash before the previous value had been removed. Also replaced the protocol inbetween erts and child setup to be a binary protocol. This was done in order to deal with the varying size of Eterm.
2015-12-15erts: Fix forker driver ifdefs for win32Lukas Larsson
2015-12-15erts: Create forker process for spawn driverLukas Larsson
Instead of forking from the beam process, we create a separate process in which all forks are done. This has several advantages: 1) performance: * don't have to close all fd's in the world * fork only has to copy stuff from a small process * work is done in a completely seperate process * a 3x performance increase has been measured, can be made even greater (10x) if we cache the environment in child setup 2) stability * the exec is done in another process than beam, which means that if the file that we exec to is on an nfs that is not available right now we will not block a scheduler until the nfs returns. 3) simplicity * don't have to deal with SIGCHLD in the erts Unfortunately, this solution also implies some badness. 1) There will always be a seperate process running together with beam on unix. This could be confusing and undesirable. 2) We have to transfer the entire environment to child_setup for each command. OTP-13088
2015-12-15erts: Refactor out erts functions from hashLukas Larsson
2015-12-15erts: Bump driver minor versionLukas Larsson
2015-12-15erts: Add erl_drv_set_pidLukas Larsson
OTP-13087
2015-12-15erts: Add support for asynchronous open_portLukas Larsson
OTP-13086
2015-12-14Merge branch 'maint'Ingela Anderton Andin
2015-12-11Merge branch 'sverk/setnode-rename-bug/OTP-13076' into maintSverker Eriksson
* sverk/setnode-rename-bug/OTP-13076: erts: Fix correct node name for DTRACE
2015-12-11erts: Fix correct node name for DTRACESverker Eriksson
broken by 949de78331b9c4ecb9.
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