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Adds the following capabilities to a tracer backend
* enabled_running_procs/3 changed from enabled_running/3
* enabled_running_ports/3
* trace_running_procs/6 changed from trace_running/6
* trace_running_ports/6
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Adds the following capabilities to a tracer backend
* enabled_procs/3
* enabled_ports/3
* enabled_running/3
* enabled_call/3
* enabled_send/3
* enabled_receive/3
* enabled_garbage_collection/3
These functions will fall back to
enabled/3
if not provided and the tracepoint is active.
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Replace 'gc_start' and 'gc_end' with
* 'gc_minor_start'
* 'gc_minor_end'
* 'gc_major_start'
* 'gc_major_end'
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will now return
[{instance,0,[{segments_size,9961472,9961472,11010048}]},
{instance,1,[{segments_size,6291456,6291456,6815744}]},
{instance,2,[{segments_size,524288,524288,786432}]},
{instance,3,[{segments_size,1048576,1048576,1835008}]},
{instance,4,[{segments_size,0,0,262144}]}]
and not just empty lists.
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to the Settings list
{Allocator, Version, Features, Settings}
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erlang:system_info(allocator) ->
{Allocator, Version, Features, Settings}
Features includes 'literal_mmap' and/or 'exec_mmap'
if they exist.
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from {allocator,mseg_alloc} to {allocator,erts_mmap}
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* mikpe/fp-exceptions-cleanups/PR-1019/OTP-13531:
clean up FP exception code in sys_float.c
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It was recently observed that the LLVM backend for HiPE was broken,
generating code that crashes the VM.
It turns out that this was caused by LLVM hard-coding an offset into the
Erlang PCB, which became incorrect as of commit 3ac08f9b, that
introduced a new member into the PCB before the HiPE-specific state,
changing its offsets.
For now, until a proper fix is implemented, we move this new member to
after the HiPE-specific state, allowing the LLVM backend to work once
more.
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* mikpe/fp-exceptions-neuter-matherr/PR-1018/OTP-13531:
matherr() must not fake an FP exception
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second merge of this branch with some bug fixing
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Using the new type syntax, we can specify which keys are required, and
which are optional in a way Dialyzer could use.
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* egil/maps-api-additions/PR-1025/OTP-13522:
stdlib: Document maps:update_with/3,4
stdlib: Add tests for maps:update_with/3,4
stdlib: Add maps:update_with/3,4
erts: Add tests for maps:take/2
stdlib: Document maps:take/2
erts: Add BIF maps:take/2
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* c-rack/fix-erl-dist-protocol-typo/OTP-13517:
Fix typo in description of EPMD_DUMP_REQ response
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According to the source code, there is a space before the newline for unused
nodes and no space before the newline for active ones.
In current documentation, it is exactly opposite.
This commit fixes the documentation to match with source code.
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Usage: erl -profile_boot ...
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Make sure to cover all of the refc binary cases in tracing
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Flags that control the heap should all fall under the +h flag
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When FP exceptions are used, matherr() forces a fake FP exception,
which is interpreted as an error by the checking code after a math
routine call. This is wrong for several reasons:
- it's not necessary for error checking: when FP exceptions aren't
used, matherr() is a stub and no information is derived from it
being called
- it's not necessary for FPU maintenance: the FPU only needs to be
reprogrammed after an actual FP exception
- it causes false negatives: matherr() may be called even though
Erlang doesn't consider the case to be an error (exp() and pow()
underflows on Solaris for instance); with FP exceptions enabled
they are incorrectly considered errors
The fix is to remove all FP exception related code from matherr().
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* lukas/erts/non-smp-debug-fixes/OTP-13047:
erts: Fix incorrect non-smp debug assert
erts: std_alloc is not thread safe on non-smp
Conflicts:
erts/emulator/beam/erl_alloc_util.c
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In an SMP emulator, print_garb_info doesn't do anything because the
heap pointers could be invalid.
However, when crashdumping there are no schedulers running so it's ok
to print this additional information which could be useful when
examining a core file.
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* egil/fix-lock-order-trace-status:
erts: Fix lock-order trace status
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* egil/erts/fix-copy-share-heap:
erts: Fix comments
erts: Fix copy share with onheap messages
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Windows 8 and later have stronger admin checks which requires
erlang to run in privileged shells, ignore for now.
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Not every OS has '/bin/rm' or '/bin/pwd' at exactly that location.
In some places in configure scripts result of AC_PATH_PROG was already
correctly used, this patch makes this usage more consistent.
As for `/bin/pwd` in `otp_build`, shell built-in one is already used in
mingw parts - so it should cause no harm to use it everywhere.
Difference is only in symlinks resolution - non-builtin `pwd` always
returns absolute path, and builtin-one could take into account what
sequence of user actions lead to current value of $PWD.
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called 'literal_mmap' and 'exec_mmap'.
Also moved existing erts_mmap info from 'mseg_alloc'
to its own system_info({allocator, erts_mmap})
with "allocators" default_mmap, literal_mmap and exec_mmap.
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