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2013-04-03Be less eager requesting wakeup for cleanup jobsRickard Green
2012-12-07Merge branch 'rickard/port-optimizations/OTP-10336' into ↵Rickard Green
rickard/r16/port-optimizations/OTP-10336 * rickard/port-optimizations/OTP-10336: Change annotate level for emacs-22 in cerl Update etp-commands Add documentation on communication in Erlang Add support for busy port message queue Add driver callback epilogue Implement true asynchronous signaling between processes and ports Add erl_drv_[send|output]_term Move busy port flag Use rwlock for driver list Optimize management of port tasks Improve configuration of process and port tables Remove R9 compatibility features Use ptab functionality also for ports Prepare for use of ptab functionality also for ports Atomic port state Generalize process table implementation Implement functionality for delaying thread progress from unmanaged threads Conflicts: erts/doc/src/erl_driver.xml erts/doc/src/erlang.xml erts/emulator/beam/beam_bif_load.c erts/emulator/beam/beam_bp.c erts/emulator/beam/beam_emu.c erts/emulator/beam/bif.c erts/emulator/beam/copy.c erts/emulator/beam/erl_alloc.c erts/emulator/beam/erl_alloc.types erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_bif_port.c erts/emulator/beam/erl_bif_trace.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_message.c erts/emulator/beam/erl_port_task.c erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h erts/emulator/beam/erl_process_lock.c erts/emulator/beam/erl_trace.c erts/emulator/beam/export.h erts/emulator/beam/global.h erts/emulator/beam/io.c erts/emulator/sys/unix/sys.c erts/emulator/sys/vxworks/sys.c erts/emulator/test/port_SUITE.erl erts/etc/unix/cerl.src erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/prim_inet.beam erts/preloaded/src/prim_inet.erl lib/hipe/cerl/erl_bif_types.erl lib/kernel/doc/src/inet.xml lib/kernel/src/inet.erl
2012-12-03Move busy port flagRickard Green
2012-12-03Improve configuration of process and port tablesRickard Green
2012-12-03Use ptab functionality also for portsRickard Green
2012-12-03Prepare for use of ptab functionality also for portsRickard Green
2012-12-03Atomic port stateRickard Green
2012-12-03Generalize process table implementationRickard Green
2012-11-12Merge branch 'maint'Rickard Green
* maint: ssl: Adopt test case to not take so long Fix bug in erts_port_task_schedule() Use reduction limit in order to determine when to do wakeup Conflicts: erts/emulator/beam/erl_port_task.c erts/emulator/beam/erl_process.c
2012-10-09Use reduction limit in order to determine when to do wakeupRickard Green
2012-08-31erts: Refactor tracing to use erts_schedule_thr_prgr_later_opSverker Eriksson
2012-08-31erts: Refactor code loading to use erts_schedule_thr_prgr_later_opSverker Eriksson
2012-08-03Merge branch 'rickard/tab-unref-thr-prgr/OTP-10167'Rickard Green
* rickard/tab-unref-thr-prgr/OTP-10167: Use thread progress instead of scheduling misc aux work were possible Conflicts: erts/emulator/beam/erl_process.h
2012-08-02Use thread progress instead of scheduling misc aux work were possibleRickard Green
Functionality for scheduling operations at thread progress later has been introduced. Deallocation of ETS table structures were previously done by scheduling misc aux work. Deallocation of process structures (not released yet) was also implemented this way. Instead of using the misc aux work functionality these implementation now use the newly introduced functionality for scheduling operations at thread progress later. By using this new functionaliy we reduce the amount of memory allocation/deallocation operations needed.
2012-07-31Merge branch 'maint'Rickard Green
* maint: Improve the enqueue operation of delayed dealloc Implement delayed aux work wake up Conflicts: erts/emulator/beam/erl_alloc_util.c erts/emulator/beam/erl_process.h
2012-07-31Merge branch 'rickard/dealloc/OTP-10162' into maintRickard Green
* rickard/dealloc/OTP-10162: Improve the enqueue operation of delayed dealloc Implement delayed aux work wake up
2012-07-31Implement delayed aux work wake upRickard Green
By using a delayed aux work wake up approach, a memory barrier can be omitted in the delayed dealloc enqueue operation. The amount of operations, on the potentially contended, wake up structure is also reduced.
2012-06-25Don't go to single-scheduler mode when managing breakpointsBjörn Gustavsson
Calls to erlang:set_trace_pattern/3 will no longer block all other schedulers. We will still go to single-scheduler mode when new code is loaded for a module that is traced, or when loading code when there is a default trace pattern set. That is not impossible to fix, but that requires much closer cooperation between tracing BIFs and the loader BIFs.
2012-06-04Merge branch 'maint'Lukas Larsson
* maint: Remove stale code for hybrid heap and incremental GC Remove the hipe_bifs:show_message_area/0 BIF Remove support for erlang:system_info(global_heaps_size) Remove the erlang:garbage_collect_message_area/0 BIF Remove workarounds for hybrid and shared heaps in test suites Conflicts: erts/doc/src/erlang.xml erts/emulator/beam/erl_message.c erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h erts/emulator/hipe/hipe_bif2.tab lib/hipe/cerl/erl_bif_types.erl
2012-05-10Remove stale code for hybrid heap and incremental GCBjörn Gustavsson
The hybrid heap emulator was last working in the non-SMP R11B run-time system. When the constant pools were introduced in R12B, the hybrid heap emulator was not updated to handle them. At this point, the harm from reduced readability of the code is greater than any potential usefulness of keeping the code.
2012-04-27Merge branch 'maint'Sverker Eriksson
Conflicts: erts/emulator/beam/erl_process.c
2012-04-27Merge branch 'maint-r15' into maintSverker Eriksson
Conflicts: erts/vsn.mk
2012-04-27Merge branch 'rickard/proc-sched/OTP-9892'Rickard Green
* rickard/proc-sched/OTP-9892: Teach etp-commands to understand new emulator internal data structures Optimize process state changes Optimize process table access Implement possibility to use ordinary mutexes as process locks Conflicts: erts/emulator/beam/erl_alloc.types
2012-04-27Optimize process state changesRickard Green
2012-04-25Merge branch 'rickard/sched-busy-wait/OTP-10044' into maint-r15Erlang/OTP
* rickard/sched-busy-wait/OTP-10044: Add switch controlling scheduler busy wait Conflicts: erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h
2012-04-23Merge branch 'rickard/sched-wakeup-other/OTP-10033' into ↵Rickard Green
rickard/sched-wakeup-other-r15b01/OTP-10033 Conflicts: erts/emulator/beam/erl_process.c erts/vsn.mk
2012-04-23Add switch controlling scheduler busy waitRickard Green
2012-04-23Implement proposal for new scheduler wakeup strategyRickard Green
2012-04-16Optimize process table accessRickard Green
2012-04-13Merge branch 'maint'Björn-Egil Dahlberg
2012-04-10lcnt: Let runq locks reflect actual call locationRick Reed
2012-03-22Merge branch 'maint'Patrik Nyblom
Conflicts: erts/emulator/beam/beam_emu.c erts/emulator/beam/bif.tab erts/preloaded/ebin/prim_file.beam lib/hipe/cerl/erl_bif_types.erl
2012-03-22Change to more specific configure options for dtracePatrik Nyblom
2012-03-22Add user tag spreading functionality to VM and use in filePatrik Nyblom
User tags in a dynamic trace enabled VM are spread throughout the system in the same way as seq_trace tokens. This is used by the file module and various other modules to get hold of the tag from the user process without changing the protocol.
2012-03-22Merge branch 'maint'Raimo Niskanen
Conflicts: erts/doc/src/erlang.xml erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h erts/emulator/test/bif_SUITE.erl erts/preloaded/ebin/erlang.beam erts/preloaded/src/erlang.erl lib/hipe/cerl/erl_bif_types.erl
2012-03-21erts: Implement erl_haltRaimo Niskanen
2012-02-21erts: Activate staged code in a thread safe waySverker Eriksson
Activation of staged code is scheduled for a later moment when all schedulers have done a full memory barrier. This allow them to read active code index while executing without any memory barriers at all.
2012-02-20Merge branch 'rickard/barriers/OTP-9922' into maintRickard Green
* rickard/barriers/OTP-9922: Reduce thread progress read operations in handle_aux_work() Misc memory barrier fixes
2012-02-19Reduce thread progress read operations in handle_aux_work()Rickard Green
2012-02-19Misc memory barrier fixesRickard Green
- Document barrier semantics - Introduce ddrb suffix on atomic ops - Barrier macros for both non-SMP and SMP case - Make the thread progress API a bit more intuitive
2012-01-26Implement statistics(scheduler_wall_time)Rickard Green
2011-12-01Merge branch 'rickard/rm-common-runq/OTP-9727'Rickard Green
* rickard/rm-common-runq/OTP-9727: Remove common run-queue in SMP case Fix scheduler suspend bug Conflicts: erts/emulator/beam/erl_init.c
2011-12-01Remove common run-queue in SMP caseRickard Green
The common run-queue implementation is removed since it is unused, untested, undocumented, unsupported, and only complicates the code. A spinlock used by the run-queue management sometimes got heavily contended. This code has now been rewritten, and the spinlock has been removed.
2011-11-18Merge branch 'sverk/hipe-without-fpe/OTP-9724'Sverker Eriksson
* sverk/hipe-without-fpe/OTP-9724: otp_build: Disable FPE by default on Linux stdlib: Make sure qlc_SUITE:otp_6964 restores backtrace_depth erts: Add test for inf/NaN intermediate float results hipe,erts: Allow hipe without floating point exceptions hipe: Fix bug in hipe_rtl_lcm:calc_killed_expr_bb erts: Rename macros used by float instructions without FPE
2011-11-18Merge branch 'rickard/sched-compact-load/OTP-9695'Rickard Green
* rickard/sched-compact-load/OTP-9695: Add switch that can disable scheduler compaction of load
2011-11-17hipe,erts: Allow hipe without floating point exceptionsSverker Eriksson
2011-11-15Add switch that can disable scheduler compaction of loadRickard Green
2011-11-13Merge branch 'rickard/generic-thr-queue/OTP-9632'Rickard Green
* rickard/generic-thr-queue/OTP-9632: Use generic lock-free queue for async threads Use generic lock-free queue for misc aux work Implement generic lock-free queue
2011-11-13Merge branch 'rickard/thr-progress-block/OTP-9631'Rickard Green
* rickard/thr-progress-block/OTP-9631: Replace system block with thread progress block
2011-11-13Merge branch 'rickard/alloc-opt/OTP-7775'Rickard Green
* rickard/alloc-opt/OTP-7775: Optimize memory allocation Conflicts: erts/aclocal.m4 erts/emulator/hipe/hipe_bif_list.m4 erts/preloaded/ebin/erl_prim_loader.beam erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/init.beam erts/preloaded/ebin/otp_ring0.beam erts/preloaded/ebin/prim_file.beam erts/preloaded/ebin/prim_inet.beam erts/preloaded/ebin/prim_zip.beam erts/preloaded/ebin/zlib.beam
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