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path: root/erts/emulator/test/statistics_SUITE.erl
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2018-06-18Update copyright yearHenrik Nord
2018-04-25Do not run tests that conflicts with dirty schedulers testRickard Green
2017-10-02erts: Fix msacc testcase with new poll-threadLukas Larsson
2017-09-05Merge branch 'maint'Rickard Green
* maint: Bug fixes of statistics(wall_clock) and statistics(runtime) Conflicts: erts/emulator/beam/erl_time_sup.c
2017-09-04Bug fixes of statistics(wall_clock) and statistics(runtime)Rickard Green
2017-07-17Fix testcases after removal of non-smp emulatorLukas Larsson
2017-05-19Merge branch 'rickard/ds-runqs'Rickard Green
OTP-14152 * rickard/ds-runqs: Make statistics/1 aware of dirty run-queues and tasks
2017-05-19Make statistics/1 aware of dirty run-queues and tasksRickard Green
2017-05-17Eliminate warning for variable 'Config' being unusedBjörn Gustavsson
2017-05-04Update copyright yearRaimo Niskanen
2017-04-21erts: Fix testcases for smp +S 1:1Lukas Larsson
2017-01-17Scheduler wall time support for dirty schedulersRickard Green
2016-06-27Cleanup in statistics_SUITE:runtime_update testRickard Green
2016-06-27Fix statistics_SUITE:scheduler_wall_time testRickard Green
2016-03-15update copyright-yearHenrik Nord
2016-03-11Remove ?line macrosBjörn-Egil Dahlberg
2016-03-11Eliminate use of doc and suite clausesBjörn-Egil Dahlberg
Those clause are obsolete and never used by common_test.
2016-03-11Replace ?t with test_serverBjörn-Egil Dahlberg
The macro ?t is deprecated. Replace its use with 'test_server'.
2016-03-11Replace use of test_server:format/2 with io:format/2Björn-Egil Dahlberg
2016-03-11Eliminate use of test_server:fail/0,1Björn-Egil Dahlberg
2016-03-11Modernize use of timetrapsBjörn-Egil Dahlberg
2016-02-17Eliminate use of test_server.hrl and test_server_line.hrlBjörn Gustavsson
As a first step to removing the test_server application as as its own separate application, change the inclusion of test_server.hrl to an inclusion of ct.hrl and remove the inclusion of test_server_line.hrl.
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
2016-02-02erts: Fix msacc testcase on some windowsesLukas 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
2016-01-22Fix testcaseRickard Green
2015-12-30Light weight statistics of run queue lengthsRickard Green
- statistics(total_run_queue_lengths) - statistics(run_queue_lengths) - statistics(total_active_tasks) - statistics(active_tasks) Conflicts: erts/emulator/beam/erl_process.c
2015-06-18Change license text to APLv2Bruce Yinhe
2015-06-09erts: Tweak statistics_SUITE:scheduler_wall_time/1Björn-Egil Dahlberg
2013-09-12Remove ^L characters hidden randomly in the code. Not those used in text ↵Pierre Fenoll
files as delimiters. While working on a tool that processes Erlang code and testing it against this repo, I found out about those little sneaky 0xff. I thought it may be of help to other people build such tools to remove non-conforming-to-standard characters.
2012-02-06emulator: Document and test scheduler_wall_timeDan Gudmundsson
2011-03-11Update copyright yearsBjörn-Egil Dahlberg
2011-02-17Rename Suite Callback to Common Test HookLukas Larsson
2011-02-17Fix formatting for emulatorLukas Larsson
2011-02-17Add init_per_suite and end_per_suiteLukas Larsson
2011-02-17Add ts_install_scb to suite/0Lukas Larsson
2011-02-17Update emulator tests to conform with common_test standardLukas Larsson
2010-01-18Fix annoying failing statistics_SUITE test casesBjörn Gustavsson
In an SMP emulator, two of the test cases in statistics_SUITE frequently fail. Remove the runtime_zero_update/1 test case, because you can't really expect an SMP emulator not to spend any CPU time at all even if no Erlang process is active. Adjust the runtime_update/1 test case to not fail if the measured times are note close enough. It will still fail if statistics(runtime) would fail or return the wrong type.
2010-01-13OTP-8240 Improved GC performance after BIF/NIF call when a lot of heapSverker Eriksson
fragments was created. This will mainly benefit NIFs that return large compound terms.
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP
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