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2015-03-23Better support for poor os monotonic sourcesRickard Green
2015-03-20Multiple timer wheelsRickard Green
2015-03-20Introduce a new time APIRickard Green
The old time API is based on erlang:now/0. The major issue with erlang:now/0 is that it was intended to be used for so many unrelated things. This tied these unrelated operations together and unnecessarily caused performance, scalability as well as accuracy, and precision issues for operations that do not need to have such issues. The new API spreads different functionality over multiple functions in order to improve on this. The new API consists of a number of new BIFs: - erlang:convert_time_unit/3 - erlang:monotonic_time/0 - erlang:monotonic_time/1 - erlang:system_time/0 - erlang:system_time/1 - erlang:time_offset/0 - erlang:time_offset/1 - erlang:timestamp/0 - erlang:unique_integer/0 - erlang:unique_integer/1 - os:system_time/0 - os:system_time/1 and a number of extensions of existing BIFs: - erlang:monitor(time_offset, clock_service) - erlang:system_flag(time_offset, finalize) - erlang:system_info(os_monotonic_time_source) - erlang:system_info(time_offset) - erlang:system_info(time_warp_mode) - erlang:system_info(time_correction) - erlang:system_info(start_time) See the "Time and Time Correction in Erlang" chapter of the ERTS User's Guide for more information.
2014-12-03Fix function "defined but not used" warningRickard Green
2014-09-25Merge branch 'rickard/eager-check-io/OTP-12117' into ↵Rickard Green
rickard/maint-17/eager-check-io/OTP-12117 * rickard/eager-check-io/OTP-12117: Introduce support for eager check I/O scheduling Conflicts: erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_process.c erts/preloaded/ebin/erlang.beam
2014-09-25Introduce support for eager check I/O schedulingRickard Green
2014-08-22Fix ERTS_POLL_DEBUG_PRINT usageMichael Truog
2014-03-25Merge branch 'paulgray/dtrace_snprintf_fix/OTP-11816'Lukas Larsson
* paulgray/dtrace_snprintf_fix/OTP-11816: Fix DTrace/SystemTap-related formatting
2014-03-25Fix DTrace/SystemTap-related formattingScott Lystig Fritchie
Thanks to Michał Ptaszek for bringing this embarrassing formatting error to my attention. Many DTrace/SystemTap trace strings are incorrectly truncated at 4/8 bytes, depending on the CPU word size. This patch expands the work from commit d032e097 by zheng siyao. Michał's report to the erlang-bugs list can be found at: http://erlang.org/pipermail/erlang-bugs/2014-March/004250.html Conflicts: erts/emulator/beam/beam_emu.c erts/emulator/beam/copy.c erts/emulator/beam/dist.c erts/emulator/beam/erl_async.c erts/emulator/beam/erl_bif_port.c erts/emulator/beam/erl_port_task.c erts/emulator/beam/erl_process.c erts/emulator/beam/io.c
2014-02-24ose: Updating event and signal API for OSEJonas Karlsson
2014-02-24ose: Rewrite resolve_signal API for ose driversLukas Larsson
This new API has less impact on the check_io code and also removes the callback from ErlDrvEntry. The downside is that you have to give the resolve function when creating each event. Also the mode if the resolve was removed as this mimics the win32 code and decreases complexity.
2014-02-24Added support for ENEA OSELukas Larsson
This port has support for both non-smp and smp. It contains a new way to do io checking in which erts_poll_wait receives the payload of the polled entity. This has implications for all linked-in drivers.
2014-01-28Change the default file name encoding mode to +fnawBjörn Gustavsson
2013-12-02Silence a warning in erl_poll about an empty loop bodyAnthony Ramine
The warning is: sys/common/erl_poll.c:2513:72: warning: for loop has empty body [-Wempty-body] for (prev_ps = pollsets; ps != prev_ps->next; prev_ps = prev_ps->next);
2013-11-05Replace the +MMscmgc switch with +MMscrfsdRickard Green
Replaced the +MMscmgc switch with the +MMscrfsd switch. The old switch didn't reflect what it controlled.
2013-10-02erts: Add mutex to init_atoms in erts_mmap.cSverker Eriksson
2013-10-02erts: Fix lock violation for init_atoms in erl_mmap.cSverker Eriksson
by not holding the mseg lock while reading version and option info which is unnecessary anyway.
2013-10-02erts: Fix misc minor bugs in supercarrier initializationSverker Eriksson
2013-09-30erts: Add erts_mmap statsSverker Eriksson
As part of erlang:system_info({allocator,mseg_alloc}) and erl_crash.dump
2013-09-30erts: Rename erts_bld_atom_uint_2tup_list to *_uword_*Sverker Eriksson
and change from Uint to UWord values
2013-09-30erts: Fix bug in lookup_free_segSverker Eriksson
that could return segments that are too small after being super aligned.
2013-09-30erts: Fix race bug in erts_munmapSverker Eriksson
Must keep mutex to serialize (un)reserve ops.
2013-09-30erts: Add HARD_DBG_MSEGSverker Eriksson
2013-09-30erts: Refactor rbt_insert in erl_mmapSverker Eriksson
2013-09-30erts: erts_mmap improved free seg desc managementRickard Green
2013-09-30erts: Allow page aligned erts_munmap()Rickard Green
2013-09-30erts: Sort tree in super aligned sizes (SA_SZ_ADDR_ORDER)Sverker Eriksson
2013-09-30erts: Fix ASSERT bug and void* arithmeticsSverker Eriksson
2013-09-30erts: Add mmap argument to erts_debug:get_internal_stateSverker Eriksson
2013-09-30erts: Improve erts_mmap out of free descriptor managementRickard Green
2013-09-30erts: Cleanup erl_mmapSverker Eriksson
2013-09-30erts: Add __func__ to ERTS_ASSERT macroSverker Eriksson
2013-09-30erts: Optimize rb-tree operations by "caching" parent ptrSverker Eriksson
2013-09-30erts: Use rbt_foreach_node to check_treeSverker Eriksson
2013-09-30erts: Add build_free_seg_listSverker Eriksson
2013-09-30erts: Remove HARD_DEBUG flags for tree traversalSverker Eriksson
2013-09-30erts: Save one word in ErtsFreeSegDescSverker Eriksson
by putting red/black color bit in 'parent' pointer
2013-09-30erts: erts_mmap supercarrier management and erts_mseg usageRickard Green
* Coalescing and trimming of free segments in supercarrier * Management of super aligned and super unaligned areas in supercarrier * Management of reservation of physical memory * erts_mseg usage of erts_mmap
2013-09-30erts: Prepare erl_mmap with tree structures for free seg storageSverker Eriksson
2013-09-25Merge branch 'rickard/aligned-sys_alloc-carriers/OTP-11318' into ↵Rickard Green
rickard/aligned-sys_alloc-carriers_maint/OTP-11318 Conflicts: erts/emulator/beam/erl_alloc.c erts/emulator/beam/erl_alloc_util.c erts/emulator/beam/erl_alloc_util.h
2013-09-25Implement platform specific aligned sys_alloc and use when supportedRickard Green
erts_sys_aligned_alloc() is currently implemented using posix_memalign if it exist, or using _aligned_malloc on Windows. If erts_sys_aligned_alloc() exist allocators will create sys_alloc carriers similar to how this was done pre-R16.
2013-09-04erts: Fix faulty assert in "unlimited select" for macSverker Eriksson
2013-06-12Update copyright yearsBjörn-Egil Dahlberg
2013-06-10Merge branch 'sverk/darwin-unlimited-select' into maintSverker Eriksson
* sverk/darwin-unlimited-select: erts: Fix dynamic select for darwin erts: Refactor unlimited select patch erts: Fix bug in unlimited fd_set patch Use _DARWIN_UNLIMITED_SELECT in erl_poll
2013-06-04Merge branch 'rickard/stale-driver-select/OTP-11084' into maintRickard Green
* rickard/stale-driver-select/OTP-11084: Fix crash when reporting stale driver select
2013-06-04erts: Fix dynamic select for darwinSverker Eriksson
Make sure the fd-sets (read and write) are of equal size.
2013-05-28erts: Refactor unlimited select patchSverker Eriksson
An attempt to beautify the code by reducing the amount of #ifdef's in the hot code path.
2013-05-28erts: Fix bug in unlimited fd_set patchSverker Eriksson
2013-05-12Use _DARWIN_UNLIMITED_SELECT in erl_pollAnthony Ramine
This allows erl_poll to select() on file descriptors greater than FD_SETSIZE (1024) on Darwin. The fd sets are manually (re)allocated and freed.
2013-05-06erts: Change some more 'long' to pointer sized int (ErlDrvUInt)Sverker Eriksson
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