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2016-02-03Merge branch 'maint'Siri Hansen
2016-02-03Merge branch 'rj/release-handler-noproc-fix' into maintSiri Hansen
* rj/release-handler-noproc-fix: Fix noproc crash during release installation OTP-13291
2016-02-03Merge branch 'maint'Hans Bolinder
* maint: tools: Add a Cover test tools: Fix wrong instrumentation of binary comprehensions
2016-02-03Merge branch 'hb/tools/fix_bc_bug/OTP-13277' into maintHans Bolinder
* hb/tools/fix_bc_bug/OTP-13277: tools: Add a Cover test tools: Fix wrong instrumentation of binary comprehensions
2016-02-03tools: Add a Cover testHans Bolinder
2016-02-03tools: Fix wrong instrumentation of binary comprehensionsLuis Rascao
When cover instruments binary comprehensions it's generating a {block, ...} abstract code term inside a {bc, ...} term that is causing the evaluation to fail at runtime. Removing the block statement eliminates the error. The template of a bit string comprehension cannot have a counter since it is not allowed to be a block.
2016-02-02Merge branch 'lukas/erts/msacc'Lukas Larsson
* lukas/erts/msacc: Update preloaded modules erts: Make msacc alloctor type thread safe Silence compiler erts: Fix msacc testcase on some windowses erts: Add power saving cpu feature tests and use them erts: Refactor perf counter internal interface erts: Add rdtscp instruction check erts: Fix hrtime for windows erts: use correct function for perf counter on non-x86 erts: Fix msacc win32 debug compile error erts: Add microstate accounting erts, kernel: Add os:perf_counter function erts: Add ERTS_WRITE_UNLIKELY
2016-02-02Merge branch 'maint'Rickard Green
* maint: Use nano second time unit in tracing
2016-02-02Merge branch 'rickard/monotonic-time-improvements/OTP-13222' into maintRickard Green
* rickard/monotonic-time-improvements/OTP-13222: Use nano second time unit in tracing
2016-02-02Use nano second time unit in tracingRickard Green
2016-02-02Merge branch 'maint'Zandra
Conflicts: erts/emulator/beam/beam_emu.c
2016-02-02Merge branch 'margnus1/bs_unit_fix' into maintZandra
* margnus1/bs_unit_fix: hipe: Fix signed compares of unsigned sizes beam: Fix overflow bug in i_bs_add_jId hipe: Add tests for bad bit syntax float sizes Add a case testing the handling of guards involving binaries Add some more binary syntax construction tests hipe: Guard against enormous numbers in ranges hipe: Fix constructing huge binaries hipe: Fix binary constructions failing with badarith Add missing corner-case to bs_construct_SUITE hipe: Allow unsigned args in hipe_rtl_arith hipe: test unit size match in bs_put_binary_all hipe: test unit size match in bs_append Fix hipe_rtl_binary_construct:floorlog2/1 OTP-13272
2016-02-02Merge branch 'maint'Zandra
Conflicts: lib/dialyzer/src/dialyzer_analysis_callgraph.erl
2016-02-02Merge branch 'aronisstav/dialyzer-missing-callback-info' into maintZandra
* aronisstav/dialyzer-missing-callback-info: Fix inadvertent deletion of callback info Eliminate ugly case statements Remove dead code related to missing behaviour info OTP-13287
2016-02-02Merge branch 'maint'Rickard Green
* maint: Fix testcase
2016-02-02Merge branch 'rickard/rq-len/OTP-13201' into maintRickard Green
* rickard/rq-len/OTP-13201: Fix testcase
2016-02-02Update preloaded modulesLukas Larsson
2016-02-02Merge branch 'maint'Zandra
2016-02-02Merge branch 'palas/maint' into maintZandra
* palas/maint: inets: Add PATCH method to client and server OTP-13286
2016-02-02erts: Make msacc alloctor type thread safeSverker Eriksson
LONG_LIVED is not thread safe on non-smp and can only be used by scheduler.
2016-02-02Silence compilerBjörn-Egil Dahlberg
2016-02-02erts: Fix msacc testcase on some windowsesLukas Larsson
2016-02-02erts: Add power saving cpu feature tests and use themLukas Larsson
2016-02-02erts: Refactor perf counter internal interfaceLukas Larsson
perf counter is now part of the function pointer interface and also the function returns the value instead of writing to a memory buffer.
2016-02-02erts: Add rdtscp instruction checkLukas Larsson
2016-02-02erts: Fix hrtime for windowsLukas Larsson
2016-02-02erts: use correct function for perf counter on non-x86Lukas Larsson
2016-02-02erts: Fix msacc win32 debug compile errorLukas Larsson
2016-02-02erts: Add microstate accountingLukas Larsson
Microstate accounting is a way to track which state the different threads within ERTS are in. The main usage area is to pin point performance bottlenecks by checking which states the threads are in and then from there figuring out why and where to optimize. Since checking whether microstate accounting is on or off is relatively expensive if done in a short loop only a few of the states are enabled by default and more states can be enabled through configure. I've done some benchmarking and the overhead with it turned off is not noticible and with it on it is a fraction of a percent. If you enable the extra states, depending on the benchmark, the ovehead when turned off is about 1% and when turned on somewhere inbetween 5-15%. OTP-12345
2016-02-02erts, kernel: Add os:perf_counter functionLukas Larsson
The perf_counter is a very very cheap and high resolution timer that can be used to timestamp system events. It does not have monoticity guarantees, but should on most OS's expose a monotonous time. A special instruction has been created for this counter to further speed up fetching it. OTP-12908
2016-02-02erts: Add ERTS_WRITE_UNLIKELYLukas Larsson
ERTS_WRITE_UNLIKELY can be used to place global variables in a specific section where only data that is very rarely modified sits. This is used to improve cache locality.
2016-02-02Merge branch 'maint'Zandra
2016-02-02Merge branch 'legoscia/tls-dist-connect-options' into maintZandra
* legoscia/tls-dist-connect-options: ssl_dist_SUITE: don't use deprecated functions TLS distribution: support inet_dist_connect_options OTP-13285
2016-02-02Merge branch 'maint'Rickard Green
* maint: Fix inet driver multi timers using new time API
2016-02-02Merge branch 'rickard/tcp-accept-tmo-bug/OTP-13254' into maintRickard Green
* rickard/tcp-accept-tmo-bug/OTP-13254: Fix inet driver multi timers using new time API
2016-02-02Merge branch 'maint'Rickard Green
* maint: Introduce time management in native APIs Introduce time warp safe replacement for safe_fixed option Introduce time warp safe trace timestamp formats Conflicts: erts/emulator/beam/erl_bif_trace.c erts/emulator/beam/erl_driver.h erts/emulator/beam/erl_nif.h erts/emulator/beam/erl_trace.c erts/preloaded/ebin/erlang.beam
2016-02-02Merge branch 'rickard/monotonic-time-improvements/OTP-13222' into maintRickard Green
* rickard/monotonic-time-improvements/OTP-13222: Introduce time management in native APIs Introduce time warp safe replacement for safe_fixed option Introduce time warp safe trace timestamp formats
2016-02-01Merge branch 'bjorn/stdlib/remove-tuple-fun-vestiges'Björn Gustavsson
* bjorn/stdlib/remove-tuple-fun-vestiges: Eliminate redundant double is_function test
2016-02-01Merge branch 'maint'Björn Gustavsson
* maint: Check for already started beam_lib crypto server
2016-02-01Merge branch 'lrascao/stdlib/beam_lib-race-condition/OTP-13278' into maintBjörn Gustavsson
* lrascao/stdlib/beam_lib-race-condition/OTP-13278: Check for already started beam_lib crypto server
2016-02-01Merge branch 'hb/dialyzer/restrict_module_type/OTP-13244'Hans Bolinder
* hb/dialyzer/restrict_module_type/OTP-13244: dialyzer: Remove t_parameterized_module/0 from erl_types
2016-02-01dialyzer: Remove t_parameterized_module/0 from erl_typesStavros Aronis
Parameterized modules are no longer supported, so module() can only be an atom().
2016-01-29Merge branch 'maint'Zandra
Conflicts: OTP_VERSION
2016-01-29Merge branch 'maint-18' into maintZandra
2016-01-29Fix noproc crash during release installationRichard Jones
When release_handler_1:get_supervised_procs/0 does a recursive walk of the supervision tree, it calls sys:get_status/1 on supervisors, to check if they are suspended or running. This fixes a race condition where a list of supervisor pids is gathered, one of them (legitimately) exits before release_handler can examine it, then sys:get_status/1 is called with a dead pid, causing an exit(noproc) See: http://erlang.org/pipermail/erlang-questions/2015-August/085712.html (To recreate this problem for testing, I added a timer:sleep into the release_handler_1 code, and killed a supervisor during get_supervised_procs being called).
2016-01-29Updated OTP versionOTP-18.2.3Erlang/OTP
2016-01-29Update release notesErlang/OTP
2016-01-29Merge branch 'ia/maint/inets/mod_alias/OTP-13248' into maint-18Erlang/OTP
* ia/maint/inets/mod_alias/OTP-13248: inets: Prepare for release inets: Traverse all aliases looking for the longest match inets: Use re instead of inets_regexp # Conflicts: # lib/inets/vsn.mk
2016-01-29Eliminate redundant double is_function testBjörn Gustavsson
When tuple funs were still supported, the idiom for allowing real funs with a certain arity but not tuple funs was: is_function(Fun) andalso is_function(Fun, Arity) The reason that both tests were needed is because: is_function({M,F}) would return 'false' is_function({M,F}, Arity) would return 'true' In 53ec991d19, is_function/2 was updated to only return 'false' for tuples, so the call to is_function/1 can be removed.
2016-01-29Merge branch 'aronisstav/compiler/extend-cerl_trees_mapfold/OTP-13280'Björn Gustavsson
* aronisstav/compiler/extend-cerl_trees_mapfold/OTP-13280: Extend cerl_trees:mapfold with a 'pre-order' operation
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