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2016-07-06check_process_code: Sweep HiPE stack for literalsMagnus Lång
Because check_process_code neglected checking the HiPE stack for references to the literal area, such references would survive the purge and subsequent deletion of a module and its literal area. These dangling references would then cause incorrect behaviour or even hard crashes of the VM. By simply adding a scan of the HiPE stack to check_process_code and erts_garbage_collect_literals, this problem is fixed. In order to support full stack walks without deleting the graylimit trap, a new stack walking interface function, nstack_walk_init_sdesc_ignore_trap() was introduced.
2016-05-11Move dirty nif test cases into dirty_nif_SUITERickard Green
2016-04-15erts: Extend process and port tracingLukas Larsson
This commit completes the tracing for processes so that all messages sent by a process (via nifs or otherwise) will be traced. The commit also adds tracing of all types of events from ports. When enabling tracing using erlang:trace, the 'all' flag now also enables tracing on all ports. OTP-13496
2016-04-15erts: Implement tracer modulesLukas Larsson
Add the possibility to use modules as trace data receivers. The functions in the module have to be nifs as otherwise complex trace probes will be very hard to handle (complex means trace probes for ports for example). This commit changes the way that the ptab->tracer field works from always being an immediate, to now be NIL if no tracer is present or else be the tuple {TracerModule, TracerState} where TracerModule is an atom that is later used to lookup the appropriate tracer callbacks to call and TracerState is just passed to the tracer callback. The default process and port tracers have been rewritten to use the new API. This commit also changes the order which trace messages are delivered to the potential tracer process. Any enif_send done in a tracer module may be delayed indefinitely because of lock order issues. If a message is delayed any other trace message send from that process is also delayed so that order is preserved for each traced entity. This means that for some trace events (i.e. send/receive) the events may come in an unintuitive order (receive before send) to the trace receiver. Timestamps are taken when the trace message is generated so trace messages from differented processes may arrive with the timestamp out of order. Both the erlang:trace and seq_trace:set_system_tracer accept the new tracer module tracers and also the backwards compatible arguments. OTP-10267
2016-04-13Merge branch 'henrik/update-copyrightyear'Henrik Nord
* henrik/update-copyrightyear: update copyright-year
2016-04-06Add lttng testcasesBjörn-Egil Dahlberg
2016-03-15update copyright-yearHenrik Nord
2016-02-25Allow erlang:finish_loading/1 to load more than one moduleBjörn Gustavsson
The BIFs prepare_loading/2 and finish_loading/1 have been designed to allow fast loading in parallel of many modules. Because of the complications with on_load functions, the initial implementation of finish_loading/1 only allowed a single element in the list of prepared modules. finish_loading/1 does not suspend other processes, but it must wait for all schedulers to pass a write barrier ("thread progress"). The time for all schedulers to pass the write barrier is highly variable, depending on what kind of code they are executing. Therefore, allowing finish_loading/1 to finish the loading for more than one module before passing the write barrier could potentially be much faster than calling finish_loading/1 multiple times. The test case many/1 run on my computer shows that with "heavy load", finish loading of 100 modules in parallel is almost 50 times faster than loading them sequentially. With "light load", the gain is still almost 10 times. Here follows an actual sample of the output from the test case on my computer (an 2012 iMac): Light load ========== Sequential: 22361 µs Parallel: 2586 µs Ratio: 9 Heavy load ========== Sequential: 254512 µs Parallel: 5246 µs Ratio: 49
2016-02-17Makefiles: Remove test_server from include path and code pathBjörn Gustavsson
Since no test suites includede test_server.hrl, there is no need to have test_server in the include path or code path.
2015-12-08Replace off_heap_message_queue option with message_queue_data optionRickard Green
The message_queue_data option can have the values - off_heap - on_heap - mixed
2015-12-08Off heap message queue test suiteRickard Green
2015-06-18Change license text to APLv2Bruce Yinhe
2015-04-13Run a clone of map_SUITE without optimizationsBjörn Gustavsson
Create a clone of map_SUITE named map_no_opt_SUITE to ensure that the loader can cope with unoptimized map instructions.
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.
2014-08-05Add async_ports testSergey Kudryashov
2014-01-28erts: Add testsuite for MapsBjörn-Egil Dahlberg
2013-08-05Add smoke testsLukas Larsson
Smoke tests are meant to verify that a build of erlang has been successfull.
2012-08-31Merge branch 'maint'Björn-Egil Dahlberg
Conflicts: lib/diameter/autoconf/vxworks/sed.general xcomp/README.md
2012-08-31Update copyright yearsBjörn-Egil Dahlberg
2012-07-25Merge branch 'egil/r16/remove-vxworks-support/OTP-10146'Björn-Egil Dahlberg
* egil/r16/remove-vxworks-support/OTP-10146: (30 commits) erts: Update doc to reflect VxWorks removal erts: Remove VxWorks from documentation Update preloaded erl_prim_loader and prim_file snmp: Remove VxWorks megaco: Remove VxWorks diameter: Remove VxWorks mnesia: Remove VxWorks typer: Remove VxWorks ssh: Remove VxWorks inets: Remove VxWorks hipe: Remove VxWorks cosFileTransfer: Remove VxWorks asn1: Remove VxWorks orber: Remove VxWorks os_mon: Remove VxWorks runtime_tools: Remove VxWorks test_server: Remove VxWorks references in doc test_server: Remove VxWorks stdlib: Remove VxWorks kernel: Remove VxWorks from tests ... Conflicts: erts/emulator/test/Makefile
2012-07-19erts: Remove VxWorks from testsBjörn-Egil Dahlberg
2012-07-19Add estone benchmarks to ts benchmark frameworkLukas Larsson
2012-06-08Merge branch 'maint'Lukas Larsson
* maint: Update to work with space in include path Update to work with whitespace in exec path
2012-06-05Update to work with whitespace in exec pathLukas Larsson
OTP-10106 OTP-10107
2012-02-21test: parallel_load_check_purge_repeatBjörn-Egil Dahlberg
* test trivial non-blocking code loading (smoke test)
2011-12-27Include wakeup pipe in /dev/poll poll-set also on non-SMPRickard Green
I/O events could potentially be delayed for ever when enabling kernel-poll on a non-SMP runtime system executing on Solaris. When also combined with async-threads the runtime system hung before completing the boot phase. This bug was introduced in erts-5.9/OTP-R15B.
2011-11-24emulator tests: Test compatibility with R13, not R12Björn Gustavsson
2011-03-30Merge branch 'hw/call-chmod-without-f' into devHenrik Nord
* hw/call-chmod-without-f: Call chmod without the "-f" flag Conflicts: erts/emulator/test/Makefile lib/asn1/test/Makefile lib/crypto/test/Makefile lib/debugger/test/Makefile lib/docbuilder/test/Makefile lib/edoc/test/Makefile lib/erl_interface/test/Makefile lib/inviso/test/Makefile lib/parsetools/test/Makefile lib/percept/test/Makefile lib/ssl/test/Makefile lib/syntax_tools/test/Makefile lib/test_server/test/Makefile lib/tools/test/Makefile OTP-9170
2011-03-10Update copyright yearsSverker Eriksson
2011-01-29Fix several bugs related to hibernate/3 and HiPEPaul Guyot
This commit fixes four related bugs: - calling hibernate/3 using a dynamic call would fail with badarg as hibernate/3 as a BIF was not implemented. hibernate/3 is generally provided as a Beam instruction, and code is translated to use this instruction when loaded. - calling hibernate/3 from HiPE would fail with badarg because this would call the aforementioned BIF which was not implemented. - calling hibernate/3 with some HiPE-native garbage in the process heap would randomly crash at the next garbage collect. This bug only happened in a complex, yet reproduceable scenarios, where native code calls beam code that calls hibernate/3, and the process has some garbage when being hibernated and the process generates garbage when awaken. - when entering HiPE, the process current_function can be set and be inaccurate. The fix is three folded: - hibernate_3 BIF now actually works instead of throwing a badarg. While hibernate_3 BIF was (usually) not called from BEAM, it is called from HiPE. hibernate behaviour is very close to the scheduler and this is why it is implemented as an instruction in BEAM. The fix consists in doing the actual hibernation (through the now exported erts_hibernate function) and setting the process flag to TRAP as well as the process status to P_WAITING. On BIF epilogue in both BEAM and HiPE, this status is tested on TRAP and if set, the scheduler is invoked. The i_hibernate instruction and translation code is now redundant and could be deleted. - hibernation now also empties the HiPE native stack, with a new function hipe_empty_nstack provided by Mikael Pettersson. - when entering HiPE through hipe_mode_switch, p->current is cleared, as suggested by Mikael Pettersson. p->current normally hold a pointer to the {M,F,A} of the current function if it exists. When hibernating, it is set to {erlang,hibernate,3}, and all stdlib hibernate tests (gen_server_SUITE:hibernate/1, proc_lib_suite:hibernate/1, etc.) actually rely on this information. Clearing p->current fixes the tests and avoids the surprise one might have when querying the process info of a process that hibernated and woke up in a native function. Non-regression tests are provided, a test for the dynamic call as well as a Makefile-handled duplication of the hibernate_SUITE into hibernate_native_SUITE for the HiPE case.
2010-12-01New test suite containing stress tests of the rwmutex implementationRickard Green
2010-11-15Call chmod without the "-f" flagHolger Weiß
"-f" is a non-standard chmod option which at least SGI IRIX and HP UX do not support. As the only effect of the "-f" flag is to suppress warning messages, it can be safely omitted.
2010-08-11Remove obsolete/driver.h and the associated functionalityBjörn Gustavsson
The obsolete/driver.h header file has been obsolete since R8B. Remove that file, along with obsolete thread APIs for drivers in the emulator and the test cases.
2010-06-03Add first phase of trace call time test suiteBjörn-Egil Dahlberg
2010-05-17Add guard BIFs binary_part/2,3Patrik Nyblom
Add the gc_bif's to the VM. Add infrastructure for gc_bif's (guard bifs that can gc) with two and. three arguments in VM (loader and VM). Add compiler support for gc_bif with three arguments. Add compiler (and interpreter) support for new guard BIFs. Add testcases for new guard BIFs in compiler and emulator.
2010-05-11erts: Add tests for the receive optimizationBjörn Gustavsson
2010-03-25Merge branch 'bg/compiler-remove-r11-support' into devErlang/OTP
* bg/compiler-remove-r11-support: compiler: Don't support the no_binaries option erts: Don't support the put_string/3 instruction compiler: Don't support the no_constant_pool option compiler: Don't support the r11 option test_server: Don't support communication with R11 nodes binary_SUITE: Don't test bit-level binary roundtrips with R11 nodes erts: Test compatibility of funs with R12 instead of R11 OTP-8531 bg/compiler-remove-r11-support
2010-03-22erts: Test compatibility of funs with R12 instead of R11Björn Gustavsson
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP