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2016-10-10erts: Improve hipe load/upgrade/purge machinerySverker Eriksson
A step toward better integration of hipe load and purge Highlights: * code_server no longer needs to call hipe_unified_loader:post_beam_load/1 Instead new internal function hipe_redirect_to_module() is called by loading BIFs to patch native call sites if needed. * hipe_purge_module() is called by erts_internal:purge_module/2 to purge any native code. * struct hipe_mfa_info redesigned and only used for exported functions that are called from or implemented by native code. A list of native call sites (struct hipe_ref) are kept for each hipe_mfa_info. * struct hipe_sdesc used by hipe_find_mfa_from_ra() to build native stack traces.
2016-10-10erts: Refactor module_start_stagingSverker Eriksson
with a copy_module() function.
2016-09-23Merge branch 'sverker/remove-nif-reload/OTP-13908'Sverker Eriksson
* sverker/remove-nif-reload: erts: Cuddle nif_SUITE:consume_timeslice erts: Remove old doc note for erlang:load_nif erts: Remove deprecated nif 'reload' feature erts: Fix trace_nif_SUITE to load nif lib only once
2016-09-21Merge branch 'sverker/ets-load-factor/OTP-13903'Sverker Eriksson
* sverker/ets-load-factor: erts: Unify reduction count for ets:select stdlib: Cuddle ets_SUITE for valgrind stdlib: Fix ets_SUITE:smp_select_delete erts: Tweak ets grow/shrink to keep up at contention erts: Fix ets_SUITE:memory erts: Suppress failed ETS memory checks erts: Reduce ets hash load factor erts: Enable a smaller first hash segment for ets erts: Redesign ets with separate segment tables erts: Remove unnecessary access of 'is_resizing' erts: Add ErtsSizeofMember macro erts: Add ErtsContainerStruct_ for array members
2016-09-19erts: Unify reduction count for ets:selectSverker Eriksson
to be per object as the other select-variants and not per table slot.
2016-09-19erts: Tweak ets grow/shrink to keep up at contentionSverker Eriksson
2016-09-19erts: Fix ets_SUITE:memorySverker Eriksson
by simply asking for the size of struct ext_segtab
2016-09-19erts: Suppress failed ETS memory checksSverker Eriksson
due to the grow/shrink hysteresis of the meta tables
2016-09-19erts: Reduce ets hash load factorSverker Eriksson
for faster lookup/insert/delete at the expense of about one word per object.
2016-09-19erts: Enable a smaller first hash segment for etsSverker Eriksson
2016-09-19erts: Redesign ets with separate segment tablesSverker Eriksson
* Keep it simple(r) * To prepare for both dynamic sized segments and segtabs
2016-09-19erts: Remove unnecessary access of 'is_resizing'Sverker Eriksson
in tables without write_concurrency and remove it totally #ifndef ERTS_SMP
2016-09-19erts: Add ErtsSizeofMember macroSverker Eriksson
(in case it matters)
2016-09-19erts: Remove deprecated nif 'reload' featureSverker Eriksson
and instead let erlang:load_nif/2 return {error, {reload, _}} before even trying to load the library if a NIF library has already been successfully loaded for the calling module instance.
2016-09-15Merge branch 'maint'Björn Gustavsson
* maint: erts: Add nif_SUITE:t_on_load erts: Improve nif_SUITE:upgrade test Don't leak old code when loading a modules with an on_load function Conflicts: erts/preloaded/ebin/erts_code_purger.beam erts/preloaded/ebin/erts_internal.beam erts/preloaded/src/erts_code_purger.erl
2016-09-15Merge branch 'bjorn/erts/on_load/ERL-240/OTP-13893' into maintBjörn Gustavsson
* bjorn/erts/on_load/ERL-240/OTP-13893: erts: Add nif_SUITE:t_on_load erts: Improve nif_SUITE:upgrade test Don't leak old code when loading a modules with an on_load function
2016-09-14Merge branch 'maint'Henrik Nord
Conflicts: OTP_VERSION
2016-09-14Merge branch 'maint-19' into maintHenrik Nord
2016-09-14Ensure we dont use an invalid live heap fragment pointerRickard Green
2016-09-14Update vheap size when moving msgq to heap after GCRickard Green
2016-09-14Don't leak old code when loading a modules with an on_load functionBjörn Gustavsson
Normally, calling code:delete/1 before re-loading the code for a module is unnecessary but causes no problem. But there will be be problems if the new code has an on_load function. Code with an on_load function will always be loaded as old code to allowed it to be easily purged if the on_load function would fail. If the on_load function succeeds, the old and current code will be swapped. So in the scenario where code:delete/1 has been called explicitly, there is old code but no current code. Loading code with an on_load function will cause the reference to the old code to be overwritten. That will at best cause a memory leak, and at worst an emulator crash (especially if NIFs are involved). To avoid that situation, we will put the code with the on_load function in a special, third slot in Module. ERL-240
2016-09-14Merge branch 'maint'Rickard Green
* maint: Updated OTP version Prepare release Fix crash due to heap fragments left after GC Conflicts: OTP_VERSION erts/emulator/beam/erl_gc.c
2016-09-14Merge branch 'maint-19' into maintHenrik Nord
2016-09-13Fix crash due to heap fragments left after GCRickard Green
Do not decode distribution messages as part of the GC operation. Distribution messages containing maps may generate heap fragments.
2016-09-09Merge branch 'maint'Rickard Green
* maint: Fix restore of 'current' field when rescheduled NIF completes
2016-09-09Fix restore of 'current' field when rescheduled NIF completesRickard Green
2016-09-06Merge branch 'maint'Ingela Anderton Andin
2016-09-06Merge branch 'sverker/beam-too-few-functions/ERL-244/OTP-13848' into maintSverker Eriksson
* sverker/beam-too-few-functions/ERL-244: erts: Reject beam file with too few functions
2016-09-06Merge branch 'maint'Rickard Green
* maint: Fix erts_thr_progress_unmanaged_delay()
2016-09-06Merge branch 'rickard/thr-prgr-unmanaged-delay-bug/OTP-13869' into maintRickard Green
* rickard/thr-prgr-unmanaged-delay-bug/OTP-13869: Fix erts_thr_progress_unmanaged_delay()
2016-09-06Merge branch 'maint'Rickard Green
* maint: Fix thread calls to erl_drv_send_term()/erl_drv_output_term()
2016-09-06Merge branch 'rickard/drv-send-term-thr-bug/OTP-13866' into maintRickard Green
* rickard/drv-send-term-thr-bug/OTP-13866: Fix thread calls to erl_drv_send_term()/erl_drv_output_term() Conflicts: erts/emulator/beam/io.c
2016-09-06Merge branch 'kvakvs/erts/gc_minor_option/OTP-11695'Lukas Larsson
* kvakvs/erts/gc_minor_option/OTP-11695: erts: Fix req_system_task gc typespec Fix process_SUITE system_task_blast and no_priority_inversion2 Option to erlang:garbage_collect to request minor (generational) GC Conflicts: erts/emulator/beam/erl_process.c erts/preloaded/src/erts_internal.erl
2016-09-05Fix erts_thr_progress_unmanaged_delay()Rickard Green
Thread progress leader update did not cache current unmanaged index when waiting for unmanaged threads. This caused erts_thr_progress_unmanaged_delay() to stop working until a new leader took over.
2016-09-05Merge branch 'maint'Lukas Larsson
2016-09-05Merge branch 'lukas/erts/tracing/fix_sparc_align_issue/OTP-13803' into maintLukas Larsson
* lukas/erts/tracing/fix_sparc_align_issue/OTP-13803: erts: Immed tracer states also have to be alignable
2016-09-05Fix thread calls to erl_drv_send_term()/erl_drv_output_term()Rickard Green
2016-09-05erts: Reject beam file with too few functionsSverker Eriksson
2016-09-05Merge branch 'bjorn/floor-ceiling/OTP-13692'Björn Gustavsson
* bjorn/floor-ceiling/OTP-13692: Add math:floor/1 and math:ceil/1 Implement the new ceil/1 and floor/1 guard BIFs
2016-09-05Add math:floor/1 and math:ceil/1Björn Gustavsson
Add math:floor/1 and math:ceil/1 to avoid unnecessary conversions in floating point expressions. That is, instead of having to write float(floor(X)) as part of a floating point expressions, we can write simply math:floor(X).
2016-09-05Implement the new ceil/1 and floor/1 guard BIFsBjörn Gustavsson
Implement as ceil/1 and floor/1 as new guard BIFs (essentially part of Erlang language). They are guard BIFs because trunc/1 is a guard BIF. It would be strange to have trunc/1 as a part of the language, but not ceil/1 and floor/1.
2016-09-05Merge branch 'bjorn/erts/help-clang'Björn Gustavsson
* bjorn/erts/help-clang: Slightly reduce code size of process_main()
2016-09-02Merge branch 'maint'Rickard Green
* maint: Introduce literal sweep of native stack in new purge strategy
2016-09-02Introduce literal sweep of native stack in new purge strategyRickard Green
2016-09-01Merge branch 'rickard/remove-old-purge-strategy/OTP-13844'Rickard Green
* rickard/remove-old-purge-strategy/OTP-13844: Avoid selective receive in code-purger process Remove old purge strategy Conflicts: erts/emulator/beam/beam_bif_load.c erts/emulator/beam/global.h
2016-09-01Merge branch 'maint'Rickard Green
* maint: Fix reclaim of literal areas Conflicts: erts/emulator/beam/global.h
2016-09-01Merge branch 'rickard/new-purge-strategy/OTP-13833' into maintRickard Green
* rickard/new-purge-strategy/OTP-13833: Fix reclaim of literal areas Conflicts: erts/emulator/beam/beam_bif_load.c
2016-09-01Slightly reduce code size of process_main()Björn Gustavsson
clang will generate smaller code if we avoid reassigning the reg and freg arrays. That can be easily arranged by passing them as arguments to process_main().
2016-09-01Fix reclaim of literal areasRickard Green
2016-08-31Merge branch 'maint'Rickard Green
* maint: Ensure correct mbuf_sz value in process structure
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