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2015-03-24Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: Better OS system time implementation Documentation adjustments Fix zero timout timers erts_sys_hrtime() for lcnt Better support for poor os monotonic sources Conflicts: erts/preloaded/ebin/erlang.beam
2015-03-24Better OS system time implementationRickard Green
2015-03-24Documentation adjustmentsRickard Green
2015-03-24Fix zero timout timersRickard Green
2015-03-23erts_sys_hrtime() for lcntRickard Green
2015-03-23Better support for poor os monotonic sourcesRickard Green
2015-03-23Merge branch 'maint'Erland Schönbeck
Conflicts: lib/ssh/test/ssh_basic_SUITE.erl
2015-03-23Merge branch 'erland/revert_time/OTP-12444' into maintErland Schönbeck
* erland/revert_time/OTP-12444: Revert "Use new time API and be back-compatible in ssh"
2015-03-22Merge branch 'maint'Anders Svensson
2015-03-21Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: Unbreak lcnt
2015-03-21Unbreak lcntRickard Green
2015-03-20Merge branch 'rickard/gcc-atomics/OTP-12383'Rickard Green
* rickard/gcc-atomics/OTP-12383: Improve ethread atomics based on GCC builtins Conflicts: erts/aclocal.m4
2015-03-20Merge branch 'rickard/time_api/master/OTP-11997'Rickard Green
* rickard/time_api/master/OTP-11997: (22 commits) Update primary bootstrap inets: Suppress deprecated warning on erlang:now/0 inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules inets: Update comments Suppress deprecated warning on erlang:now/0 Use new time API and be back-compatible in inets Remove unused functions and removed redundant test asn1 test SUITE: Eliminate use of now/0 Disable deprecated warning on erlang:now/0 in diameter_lib Use new time API and be back-compatible in ssh Replace all calls to now/0 in CT with new time API functions test_server: Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API otp_SUITE: Warn for calls to erlang:now/0 Replace usage of erlang:now() with usage of new API Multiple timer wheels Erlang based BIF timer implementation for scalability Implement ethread events with timeout ...
2015-03-20Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: (22 commits) Update primary bootstrap inets: Suppress deprecated warning on erlang:now/0 inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules inets: Update comments Suppress deprecated warning on erlang:now/0 Use new time API and be back-compatible in inets Remove unused functions and removed redundant test asn1 test SUITE: Eliminate use of now/0 Disable deprecated warning on erlang:now/0 in diameter_lib Use new time API and be back-compatible in ssh Replace all calls to now/0 in CT with new time API functions test_server: Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API otp_SUITE: Warn for calls to erlang:now/0 Replace usage of erlang:now() with usage of new API Multiple timer wheels Erlang based BIF timer implementation for scalability Implement ethread events with timeout ... Conflicts: bootstrap/bin/start.boot bootstrap/bin/start_clean.boot bootstrap/lib/compiler/ebin/beam_asm.beam bootstrap/lib/compiler/ebin/compile.beam bootstrap/lib/kernel/ebin/auth.beam bootstrap/lib/kernel/ebin/dist_util.beam bootstrap/lib/kernel/ebin/global.beam bootstrap/lib/kernel/ebin/hipe_unified_loader.beam bootstrap/lib/kernel/ebin/inet_db.beam bootstrap/lib/kernel/ebin/inet_dns.beam bootstrap/lib/kernel/ebin/inet_res.beam bootstrap/lib/kernel/ebin/os.beam bootstrap/lib/kernel/ebin/pg2.beam bootstrap/lib/stdlib/ebin/dets.beam bootstrap/lib/stdlib/ebin/dets_utils.beam bootstrap/lib/stdlib/ebin/erl_tar.beam bootstrap/lib/stdlib/ebin/escript.beam bootstrap/lib/stdlib/ebin/file_sorter.beam bootstrap/lib/stdlib/ebin/otp_internal.beam bootstrap/lib/stdlib/ebin/qlc.beam bootstrap/lib/stdlib/ebin/random.beam bootstrap/lib/stdlib/ebin/supervisor.beam bootstrap/lib/stdlib/ebin/timer.beam erts/aclocal.m4 erts/emulator/beam/bif.c erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_db_hash.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_process.h erts/emulator/beam/erl_thr_progress.c erts/emulator/beam/utils.c erts/emulator/sys/unix/sys.c erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/erts_internal.beam erts/preloaded/ebin/init.beam erts/preloaded/src/erts_internal.erl lib/common_test/test/ct_hooks_SUITE_data/cth/tests/empty_cth.erl lib/diameter/src/base/diameter_lib.erl lib/kernel/src/os.erl lib/ssh/test/ssh_basic_SUITE.erl system/doc/efficiency_guide/advanced.xml
2015-03-20Merge branch 'sverk/hamt-overestimate/OTP-12585'Sverker Eriksson
* sverk/hamt-overestimate/OTP-12585: erts: Add test map_SUITE:t_hashmap_balance erts: Fix hashmap overestimation erts: Silence valgrind warning in nif_SUITE.c
2015-03-20Merge branch 'sverk/dec_term-bin-overhead/OTP-12554'Sverker Eriksson
* sverk/dec_term-bin-overhead/OTP-12554: erts: Add missing binary offheap overhead in binary_to_term
2015-03-20erts: Add test map_SUITE:t_hashmap_balanceSverker Eriksson
2015-03-20erts: Fix hashmap overestimationSverker Eriksson
Old overestimation assumed an average of k/3 nodes. This can be bad for large maps (with tight standard deviations) as the average vary between 0.3*k and up to almost 0.4*k.
2015-03-20otp_SUITE: Warn for calls to erlang:now/0Björn Gustavsson
2015-03-20Multiple timer wheelsRickard Green
2015-03-20Erlang based BIF timer implementation for scalabilityRickard Green
2015-03-20Implement ethread events with timeoutRickard 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.
2015-03-20Merge branch 'nox/fix-port_info-race' into maintZandra Hird
* nox/fix-port_info-race: Fix a race condition when calling port_info/1 OTP-12587
2015-03-19erts: Silence valgrind warning in nif_SUITE.cSverker Eriksson
Hmm, seems like gcc (4.4.3 at least) can switch the order of an &&-expression and do the last condition first if it think it's more efficient (and without side effects I hope). Which led to valgrind complaining about 'prev_ret' being used uninitialized in this case.
2015-03-19erts: Fix bug in binary_to_term with more than one big mapSverker Eriksson
2015-03-19Merge branch 'egil/maps/hamt/OTP-12585'Björn-Egil Dahlberg
* egil/maps/hamt/OTP-12585: (113 commits) erts: Fix bug in ESTACK and WSTACK kernel: Add spec for erts_debug:map_info/1 mnesia: Update mnesia tests to reflect new ETS hash erts: Ensure maps uses _rel functions in halfword erts: Do not treat errors as fatal in erl_printf_term erts: Update preloaded erts_internal.beam erts: Add map decomposition wrappers erts: Ensure halfword has correct temp-heap for maps hipe: Handle separate hashmap tag correctly erts: Fix map bug in dec_term for 32-bit debug VM stdlib: Update qlc tests to reflect new ETS hash stdlib: Remove obsolete hashmap references in io_lib erts: Enhance maps ordering tests hipe: Fix maps sort order testcase erts: Remove unused variable in crashdump creation erts: Fix typo in copy_struct for halfword emulator erts: Restrict GCC intrinsics by compiler version erts: Fix windows bug in hashmap_info erts: Fix typo in make_hash2 for 32-bit arch Fix beam_load assert ... Conflicts: erts/emulator/beam/bif.tab
2015-03-19erts: Fix bug in ESTACK and WSTACKSverker Eriksson
The [ew]default field would get uninitialised when the stack was saved and later restored. Detected by valgrind.
2015-03-19erts: Ensure maps uses _rel functions in halfwordBjörn-Egil Dahlberg
2015-03-19erts: Do not treat errors as fatal in erl_printf_termBjörn-Egil Dahlberg
2015-03-19erts: Update preloaded erts_internal.beamBjörn-Egil Dahlberg
2015-03-19erts: Add map decomposition wrappersBjörn-Egil Dahlberg
* erts_internal:map_type/1 * erts_internal:map_hashmap_children/1
2015-03-19erts: Ensure halfword has correct temp-heap for mapsBjörn-Egil Dahlberg
2015-03-19erts: Fix map bug in dec_term for 32-bit debug VMSverker Eriksson
Adding ERTS_SWORD_MAX to a pointer does not work as a way to disable a bound check. Remove the hp_end from ErtsHeapFactory as it isn't really used anyway.
2015-03-19Merge branch 'essen/zlib-export-types'Zandra Hird
* essen/zlib-export-types: Export useful types from zlib module OTP-12584
2015-03-18Merge branch 'egil/fix-beam_load-assert'Björn-Egil Dahlberg
* egil/fix-beam_load-assert: erts: Fix beam_load assert
2015-03-18Merge branch 'maint'Zandra Hird
2015-03-18Merge branch 'nlmills/cleanup' into maintZandra Hird
* nlmills/cleanup: Remove unused time macros from efile_drv
2015-03-18Merge branch 'maint'Zandra Hird
2015-03-18Merge branch 'wmalik/minor-fixes' into maintZandra Hird
* wmalik/minor-fixes: Fix proc_lib doc Remove commented out code Fix make_hash description
2015-03-18Fix a race condition when calling port_info/1Anthony Ramine
This variable hold the values returned by erlang:port_info/1 and shouldn't be static. Reported-by: Heinz Nikolaus Gies
2015-03-17Merge branch 'maint'Rickard Green
* maint: Make access to control_flags safe in non-smp emulator
2015-03-17Merge branch 'rickard/port_control_flags_crash/OTP-12544' into maintRickard Green
* rickard/port_control_flags_crash/OTP-12544: Make access to control_flags safe in non-smp emulator
2015-03-17Merge branch 'maint'Rickard Green
* maint: Fix missing quotation in LM_FIND_EMU_CC
2015-03-17Merge branch 'rickard/find_emu_cc/OTP-12388' into maintRickard Green
* rickard/find_emu_cc/OTP-12388: Fix missing quotation in LM_FIND_EMU_CC
2015-03-17update preloadedZandra Hird
2015-03-17Merge branch 'essen/zlib-windowbits'Zandra Hird
* essen/zlib-windowbits: Update zlib:zwindowbits/0 type to accept 8 and -8 OTP-12564
2015-03-16Revert "Use new time API and be back-compatible in ssh"Erland Schönbeck
This reverts commit af972aaf14a5f53510e692f48f672f7e6805ee6d. Conflicts: lib/ssh/test/ssh_basic_SUITE.erl
2015-03-16Merge branch 'nox/ets-update_counter-4'Zandra Hird
* nox/ets-update_counter-4: Create new BIF ets:update_counter/4 Allow 4-ary BIFs OTP-12563
2015-03-16Merge branch 'maint'Zandra Hird
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