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* bjorn/remove-test_server/OTP-12705:
Remove test_server as a standalone application
Erlang mode for Emacs: Include ct.hrl instead test_server.hrl
Remove out-commented references to the test_server applications
Makefiles: Remove test_server from include path and code path
Eliminate use of test_server.hrl and test_server_line.hrl
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Since no test suites includede test_server.hrl, there is no need
to have test_server in the include path or code path.
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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.
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* rickard/ds-fixes:
Fix unique_SUITE for dirty schedulers
Add dirty scheduler process termination test
Ensure that work is done on the correct type of schedulers
Conflicts:
erts/emulator/beam/erl_process.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_process_dump.c
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In scheduler_SUITE add a new test that runs a single dirty I/O
scheduler and launches a number of dirty I/O NIF calls that each sleep
for 3 seconds. Given the single scheduler, the first of these will run
while the rest queue up. Then start killing these processes, and
verify they call exit correctly.
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ResA may have been GC'd after its last use.
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* sverk/thread-unsafe-alloc:
erts: Fix faulty assert for non-smp
erts: Add checks for thread safe allocation
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* kvakvs/erts/list_to_integer/OTP-13293:
Better list_to_integer
Moved do_list_to_integer from bif.c to big.c
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* 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
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* maint:
Use nano second time unit in tracing
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* rickard/monotonic-time-improvements/OTP-13222:
Use nano second time unit in tracing
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Conflicts:
erts/emulator/beam/beam_emu.c
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Now tries to use whole width of signed long (Sint) and this halves amount of
multiplications needed to parse long integers. New code is 2-3 times faster
than the old code for large inputs (tens and hundreds of digits), behavior
should not change for small inputs.
Test ran 10k times with GC forced between attempts.
Was (R17):
720 el base 10: 0.14682 sec; base 16: 0.192722 sec; base 36: 0.337118 sec.
2800 el base 10: 1.794133 sec; base 16: 2.735106 sec; base 36: 4.761108 sec.
6500 el base 10: 9.316434 sec; base 16: 14.109469 sec; base 36: 25.319263 sec.
Now (R19 Dev)
720 el base 10: 0.10265 sec; base 16: 0.10851 sec; base 36: 0.160478 sec.
2800 el base 10: 1.002793 sec; base 16: 1.360649 sec; base 36: 2.174309 sec.
6500 el base 10: 4.722197 sec; base 16: 6.60522 sec; base 36: 10.552795 sec.
Added test for corner cases and sign bit corruption. Replaced macros with
inline and hid it inside C file to not pollute global namespace
Old bug in #define LG2_LOOKUP: Replaced with inline function and table
recalculated for all bases 2 to 36 (was 2 to 64)
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* 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
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* maint:
Fix testcase
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* rickard/rq-len/OTP-13201:
Fix testcase
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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
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* 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
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* 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
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* lukas/erts/gc_info/OTP-13265:
erts: Add garbage_collection_info to process_info/2
Conflicts:
erts/emulator/beam/erl_bif_info.c
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* maint:
Fix HL timer hard debug implementation
Fix stack alignment problem in ethread test on arm
Skip time_SUITE:timestamp on timewarp test
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* rickard/test-fix:
Fix HL timer hard debug implementation
Fix stack alignment problem in ethread test on arm
Skip time_SUITE:timestamp on timewarp test
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Assert thread unsafe allocator is only created on non-smp
and only called by the main thread.
Removed test of unsafe allocator in custom thread.
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New timestamp options for trace, sequential trace, and
system profile:
- monotonic_timestamp
- strict_monotonic_timestamp
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* sverk/armata-memset-bug:
erts: Workaround memset bug in test case
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memset seen to fail with values larger than 255
on (armata) 32-bit ARM Debian
with EGLIBC 2.13-38+rpi2+deb7u8
and gcc 4.6.3-14+rpi1.
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* sverk/float_SUITE-arith:
erts: Add new test cases to float_SUITE
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* maint:
Light weight statistics of run queue lengths
Conflicts:
erts/preloaded/ebin/erlang.beam
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- statistics(total_run_queue_lengths)
- statistics(run_queue_lengths)
- statistics(total_active_tasks)
- statistics(active_tasks)
Conflicts:
erts/emulator/beam/erl_process.c
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* lukas/erts/forker: (28 commits)
erts: Never abort in the forked child
erts: Mend ASSERT makro for erl_child_setup
erts: Allow enomem failures in port_SUITE
erts: iter_port sleep longer on freebsd
erts: Allow one dangling fd if there is a gethost port
erts: Only use forker StackAck on freebsd
erts: It is not possible to exit the forker driver
erts: Add forker StartAck for port start flowcontrol
erts: Fix large open_port arg segfault for win32
erts: Fix memory leak at async open port
kernel: Remove cmd server for unix os:cmd
erts: Add testcase for huge port environment
erts: Move os_pid to port hash to child setup
erts: Handle all EINTR and EAGAIN cases in child setup
erts: Make child_setup work with large environments
erts: Fix forker driver ifdefs for win32
erts: Fix uds socket handling for os x
erts: Fix dereferencing of unaligned integer for sparc
erts: Flatten too long io vectors in uds write
erts: Add fd count test for spawn_driver
...
Conflicts:
erts/emulator/beam/erl_node_tables.c
erts/preloaded/src/erts_internal.erl
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With the new forker implementation also enomem can be returned
as an indicator that it is not possible to create more ports.
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Instead of forking from the beam process, we create a separate
process in which all forks are done. This has several advantages:
1) performance:
* don't have to close all fd's in the world
* fork only has to copy stuff from a small process
* work is done in a completely seperate process
* a 3x performance increase has been measured,
can be made even greater (10x) if we cache the
environment in child setup
2) stability
* the exec is done in another process than beam, which means that
if the file that we exec to is on an nfs that is not available
right now we will not block a scheduler until the nfs returns.
3) simplicity
* don't have to deal with SIGCHLD in the erts
Unfortunately, this solution also implies some badness.
1) There will always be a seperate process running together with
beam on unix. This could be confusing and undesirable.
2) We have to transfer the entire environment to child_setup
for each command.
OTP-13088
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* bjorn/deprecate-random/OTP-12502:
Deprecate the 'random' module
Eliminate mentions of 'random' in documentation
mnesia tests: Replace 'random' with 'rand'
percept tests: Replace 'random' with 'rand'
system tests: Replace 'random' with 'rand'
common_test tests: Replace 'random' with 'rand'
gs: Remove the contribs directory
wx: Replace 'random' with 'rand'
stdlib tests: Replace 'random' with 'rand'
kernel test: Replace 'random' with 'rand'
debugger tests: Replace 'random' with 'rand'
compiler tests: Replace 'random' with 'rand'
Emulator test suite: Replace use of 'random' with 'rand'
Use 'rand' instead of the obsolete 'random' module
compile: Eliminate use of the obsolete 'random' module
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* sverk/dist-ctrl-msg-overflow-master:
erts: Tweak hashmap heap size estimation
erts: Fix bug for remote control message containing fat maps
erts: Add test for remote exit signal with fat map
erts: Fix bug in heap_factory_undo for FACTORY_HEAP_FRAGS mode
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* egil/term_type/OTP-13172:
Test erts_internal:term_type/1
erts: Let term_type/1 encompass all types
erts: Change erts_internal:map_type/1 into term_type/1
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* rickard/ohmq-fixup/OTP-13047:
Replace off_heap_message_queue option with message_queue_data option
Always use literal_alloc
Distinguish between GC disabled by BIFs and other disabled GC
Fix process_info(_, off_heap_message_queue)
Off heap message queue test suite
Remove unused variable
Fix memory leaks
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sverk/dist-ctrl-msg-overflow-master
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