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2017-04-12Merge branch 'rickard/ds-fixes'Rickard Green
* rickard/ds-fixes: Fix dirty GC implementation Fix multi-scheduling with only one normal scheduler Fix +SDPcpu
2017-04-11Merge branch 'rickard/sched_type_tests'Rickard Green
* rickard/sched_type_tests: Fix dirty scheduler type tests
2017-04-11Fix multi-scheduling with only one normal schedulerRickard Green
2017-03-24Fix dirty scheduler type testsRickard Green
Old test for dirty schedulers didn't work with Visual C++
2017-03-22erts: Replace meta_pid_to{_fixed}_tab with linked listsSverker Eriksson
from process psd through all owned/fixed tables. As meta_pid_to{_fixed}_tab maps to slot in meta_main_tab which is planned for destruction. In this commit we no longer seize table lock while freeing the table (free_table_cont) as it's not needed and makes the code a bit simpler. Any concurrent operation on the table will only access lock, owner and status and then bail out.
2017-03-02Implement ets:all() using scheduler specific dataRickard Green
2017-02-20Merge branch 'master' into sverker/enif_selectSverker Eriksson
Conflicts: erts/emulator/beam/erl_binary.h erts/emulator/beam/erl_monitors.c erts/emulator/beam/erl_nif.c erts/emulator/beam/global.h erts/emulator/test/nif_SUITE_data/nif_SUITE.c
2017-02-14Fixed typos in ertsAndrew Dryga
2017-02-09erts: Add enif_monitor_process and enif_demonitor_processSverker Eriksson
2017-02-06Implement magic referencesRickard Green
Magic references are *intentionally* indistinguishable from ordinary references for the Erlang software. Magic references do not change the language, and are intended as a pure runtime internal optimization. An ordinary reference is typically used as a key in some table. A magic reference has a direct pointer to a reference counted magic binary. This makes it possible to implement various things without having to do lookups in a table, but instead access the data directly. Besides very fast lookups this can also improve scalability by removing a potentially contended table. A couple of examples of planned future usage of magic references are ETS table identifiers, and BIF timer identifiers. Besides future optimizations using magic references it should also be possible to replace the exposed magic binary cludge with magic references. That is, magic binaries that are exposed as empty binaries to the Erlang software.
2017-02-06Merge branch 'maint'Rickard Green
* maint: Dirty schedulers should not touch scheduler data pointed to by process struct
2017-02-06Merge branch 'rickard/ds-fix' into maintRickard Green
OTP-14122 * rickard/ds-fix: Dirty schedulers should not touch scheduler data pointed to by process struct Conflicts: erts/emulator/beam/erl_process.c
2017-02-02Dirty schedulers should not touch scheduler data pointed to by process structRickard Green
2017-01-19Fix unused warningRickard Green
2017-01-17Merge branch 'rickard/ds-features-20'Rickard Green
OTP-14152 * rickard/ds-features-20: Remove experimental disclaimer on dirty schedulers Scheduler wall time support for dirty schedulers Always return info from system_info(dirty_[cpu|io]_schedulers*) Improve etp-commands Switch between scheduler types when multi-scheduling is blocked Perform potentially long GC on dirty schedulers if available Return and exception trace for nif-export scheduled BIFs Optimize handling of BIF errors Support for dirty BIFs Reduction counting on non-tail return
2017-01-17Merge branch 'maint'Rickard Green
* maint: Fix memory leak of temporary heap
2017-01-17Merge branch 'rickard/abandoned-heap-bugs' into maintRickard Green
OTP-14135 * rickard/abandoned-heap-bugs: Fix memory leak of temporary heap
2017-01-17Scheduler wall time support for dirty schedulersRickard Green
2017-01-13Switch between scheduler types when multi-scheduling is blockedRickard Green
2017-01-13Fix memory leak of temporary heapRickard Green
This bug was introduced in previous commit, and has never been released in an official OTP version.
2017-01-12Perform potentially long GC on dirty schedulers if availableRickard Green
2017-01-12Support for dirty BIFsRickard Green
2017-01-11Merge branch 'maint'Rickard Green
* maint: Fix faulty assertion
2017-01-11Merge branch 'rickard/debug-fix' into maintRickard Green
* rickard/debug-fix: Fix faulty assertion
2017-01-02Merge branch 'maint'Rickard Green
* maint: Multi scheduling block bug-fixes Fix VM global GC info for dirty schedulers Leave dirty work in dirty run-queues on multi scheduling block Fix premature removal of process struct Fix crash due to GC of node entry on dirty scheduler
2017-01-02Merge branch 'rickard/ds-fixes' into maintRickard Green
OTP-14122 * rickard/ds-fixes: Fix VM global GC info for dirty schedulers Leave dirty work in dirty run-queues on multi scheduling block Fix premature removal of process struct Fix crash due to GC of node entry on dirty scheduler
2017-01-02Fix faulty assertionRickard Green
2016-12-30Multi scheduling block bug-fixesRickard Green
2016-12-28Leave dirty work in dirty run-queues on multi scheduling blockRickard Green
2016-12-28Fix premature removal of process structRickard Green
Refc on process struct could reach zero while it was still referred by dirty scheduler
2016-11-23Merge branch 'maint'Rickard Green
* maint: Update etp-commands for dirty schedulers Fix scheduling of system tasks on processes executing dirty Fix call time tracing with dirty schedulers Fix send of exit signal to process executing dirty Fix dirty scheduler process priority Fix alloc-util hard-debug Silence debug warning when no beam jump table is used with dirty schedulers Fix check_process_code() when NifExport is in use Fix GC when NifExport is in use Fix saving of original arguments when rescheduling via NifExport Conflicts: erts/emulator/beam/beam_bif_load.c erts/emulator/beam/erl_nif.c
2016-11-23Merge branch 'rickard/dirty-scheduling-fixes' into maintRickard Green
OTP-14051 * rickard/dirty-scheduling-fixes: Update etp-commands for dirty schedulers Fix scheduling of system tasks on processes executing dirty Fix call time tracing with dirty schedulers Fix send of exit signal to process executing dirty Fix dirty scheduler process priority Fix alloc-util hard-debug Silence debug warning when no beam jump table is used with dirty schedulers Conflicts: erts/etc/unix/etp-commands.in
2016-11-22Fix scheduling of system tasks on processes executing dirtyRickard Green
2016-11-22Fix call time tracing with dirty schedulersRickard Green
2016-11-22Fix send of exit signal to process executing dirtyRickard Green
2016-11-22Fix dirty scheduler process priorityRickard Green
2016-11-22Merge branch 'maint'Sverker Eriksson
2016-11-17erts: Refactor crash dumping with cbprintfSverker Eriksson
Instead of passing around a file descriptor use a function pointer to facilitate more advanced backend write logic such as size limitation or compression.
2016-10-12erts: Fix some dtrace related compile issuesLukas Larsson
2016-10-12erts: Refactor find_function_from_pc to return MFALukas Larsson
2016-10-12erts: Refactor out func_info into structLukas Larsson
This commit adds two new structs to be used to represent erlang code in erts. ErtsCodeInfo is used to describe the i_func_info header that is part of all Export entries and the prelude of each function. This replaces all the BeamInstr * that were previously used to point to these locations. After this change the code should never use BeamInstr * with offsets to figure out different parts of the func_info header. ErtsCodeMFA is a struct that is used to descripe a MFA in code. It is used within ErtsCodeInfo and also in Process->current. All function that previously took Eterm * or BeamInstr * to identify a MFA now use the ErtsCodeMFA or ErtsCodeInfo where appropriate. The code has been tested to work when adding a new field to the ErtsCodeInfo struct, but some updates are needed in ops.tab to make it work.
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
2016-09-05Merge branch 'bjorn/erts/help-clang'Björn Gustavsson
* bjorn/erts/help-clang: Slightly reduce code size of process_main()
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
2016-09-01Slightly 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().
2016-08-31Remove old purge strategyRickard Green
2016-08-30Merge branch 'maint'Rickard Green
* maint: Fix dirty schedulers build on windows
2016-08-30Merge branch 'rickard/ds-win-32bit/OTP-13759' into maintRickard Green
* rickard/ds-win-32bit/OTP-13759: Fix dirty schedulers build on windows
2016-08-29Merge branch 'maint'Rickard Green
* maint: Fix tracing of processes executing dirty Perform check_process_code while process is executing dirty Fix purge of code Reclaim literal area after purge has completed Separate literal area from code Conflicts: erts/emulator/beam/global.h
2016-08-29Merge branch 'rickard/ds-trace/OTP-13822' into maintRickard Green
* rickard/ds-trace/OTP-13822: Fix tracing of processes executing dirty
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