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Make it so that it is only possible to remove a tracer via
returning remove from an erl_tracer. This limition is put in
place in order to avoid a lot of lock checking and taking
in various places, especially in regards to trace events
happening on dirty schedulers.
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- Termination of a process...
- Modify trace flags of process...
- Process info on process...
- Register/unregister of name on process...
- Set group leader on process...
... while it is executing a dirty NIF.
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* Add the capability to format erlang terms to a char buffer in nifs.
* Bump NIF version to 2.11
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* lukas/erts/max_heap_size/OTP-13174:
erts: Fix non-smp max_heap_size assert
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Since 3.7, LLVM sometimes generates SSE constants in a special constant
section with the requisite alignment (".rodata.cst16"). This broke
hipe_llvm since it assumed that all constants that were linked from the
text section were constants generated by hipe_llvm.
As this is the first time alignments larger than 8 have been required,
some small changes were required to hipe_consttab and
hipe_bifs:alloc_data/2. Note that hipe_bifs:alloc_data/2 still assumes
that erl_alloc will provide the requisite alignment.
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This allows for much more robust interpretation of relocations, symbols
and sections in hipe_llvm_main, without the clunkiness of an abstract
interface between two internal modules that belong to the same subsystem
anyway.
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The command queue could still loose a cmd because the command was
reused while still in (recursive) use, thus when deleting it after
command was done a newly added command could be mistakenly deleted and
not called.
Root cause was that wxeFifo::Strip "deleted" to many cmds.
Solve by differing deleted and executed, i.e. op= -1 cmd have been
executed and op = -2 cmd have been executed and deleted.
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* lukas/erts/max_heap_size/OTP-13174:
erts: Add max_heap_size remote gc testcase
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* raimo/polish-gen_statem/OTP-13065:
Reword 'dispatch' into 'branch depending'
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* lukas/erts/max_heap_size/OTP-13174:
erts: Fix max heap size exit when in hipe mode
Update preloaded modules
erts: Fix pre-bif yield current_function
erts: Implement max_heap_size process flag
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causing extra calls to driver_select(,, _|ERL_DRV_USE, 0)
reporting "... (re)selected before stop_select was called"
Solution:
Set data->fd to INVALID to avoid double call to close_client()
in close_inlink_port().
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The return value of trace_clock is never used, return 'ok' instead.
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contains flags for super carrier +MMsc*
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* anders/diameter/19.0-rc1/OTP-12913:
vsn -> 1.12
Update appup for 19.0-rc1
Update documentation for CEA/DWA/DPA Result-Code counters
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* ingela/ssl/tls-1.2-available-hashsigns:
ssl: ordsets:intersection/2 did not give the expected result
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Turns out we can not count on the "hashsigns" sent by the client and
the supported "hashigns" sets to have required properties of ordsets.
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common_test uses its own IO server that is group leader for the
test case processes. By default, the IO server escapes characters
with significance to HTML (e.g. '<'). In order to output HTML
tags directly, the IO server must be told not to escape the output.
The way to tell the IO server is to wrap the format string like this:
["$ct_html",Format]
That works with common_test's own IO server, but in general not
with other IO servers. Dialyzer will rightly complain that the
call breaks the contract for io:format/3.
To avoid the Dialyzer warning, we must obscure the wrapping of
the format string.
While we are at it, also refactor print_style/4 to make the code
somewhat cleaner and shorter.
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* lukas/stdlib/docs:
stdlib: Fix missing anchor in epp docs
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The max_heap_size process flag can be used to limit the
growth of a process heap by killing it before it becomes
too large to handle. It is possible to set the maximum
using the `erl +hmax` option, `system_flag(max_heap_size, ...)`,
`spawn_opt(Fun, [{max_heap_size, ...}])` and
`process_flag(max_heap_size, ...)`.
It is possible to configure the behaviour of the process
when the maximum heap size is reached. The process may be
sent an untrappable exit signal with reason kill and/or
send an error_logger message with details on the process
state. A new trace event called gc_max_heap_size is
also triggered for the garbage_collection trace flag
when the heap grows larger than the configured size.
If kill and error_logger are disabled, it is still
possible to see that the maximum has been reached by
doing garbage collection tracing on the process.
The heap size is defined as the sum of the heap memory
that the process is currently using. This includes
all generational heaps, the stack, any messages that
are considered to be part of the heap and any extra
memory the garbage collector may need during collection.
In the current implementation this means that when a process
is set using on_heap message queue data mode, the messages
that are in the internal message queue are counted towards
this value. For off_heap, only matched messages count towards
the size of the heap. For mixed, it depends on race conditions
within the VM whether a message is part of the heap or not.
Below is an example run of the new behaviour:
Eshell V8.0 (abort with ^G)
1> f(P),P = spawn_opt(fun() -> receive ok -> ok end end, [{max_heap_size, 512}]).
<0.60.0>
2> erlang:trace(P, true, [garbage_collection, procs]).
1
3> [P ! lists:duplicate(M,M) || M <- lists:seq(1,15)],ok.
ok
4>
=ERROR REPORT==== 26-Apr-2016::16:25:10 ===
Process: <0.60.0>
Context: maximum heap size reached
Max heap size: 512
Total heap size: 723
Kill: true
Error Logger: true
GC Info: [{old_heap_block_size,0},
{heap_block_size,609},
{mbuf_size,145},
{recent_size,0},
{stack_size,9},
{old_heap_size,0},
{heap_size,211},
{bin_vheap_size,0},
{bin_vheap_block_size,46422},
{bin_old_vheap_size,0},
{bin_old_vheap_block_size,46422}]
flush().
Shell got {trace,<0.60.0>,gc_start,
[{old_heap_block_size,0},
{heap_block_size,233},
{mbuf_size,145},
{recent_size,0},
{stack_size,9},
{old_heap_size,0},
{heap_size,211},
{bin_vheap_size,0},
{bin_vheap_block_size,46422},
{bin_old_vheap_size,0},
{bin_old_vheap_block_size,46422}]}
Shell got {trace,<0.60.0>,gc_max_heap_size,
[{old_heap_block_size,0},
{heap_block_size,609},
{mbuf_size,145},
{recent_size,0},
{stack_size,9},
{old_heap_size,0},
{heap_size,211},
{bin_vheap_size,0},
{bin_vheap_block_size,46422},
{bin_old_vheap_size,0},
{bin_old_vheap_block_size,46422}]}
Shell got {trace,<0.60.0>,exit,killed}
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* binarin/fix-build-tool-paths/PR-1023/OTP-13562:
Fix program paths used in build process
Conflicts:
erts/configure.in
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* ingela/inets/revert-inets_regexp/OTP-13561:
Revert "inets: Put back inets_regexp module in OTP 18"
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This reverts commit 7fbcbf4d1f2c81d44a5c6a4889c98f32cd4505ae.
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d5f8d55b37c9c63418b4fe8ad5a5aa197a9a4385
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* anders/diameter/info/OTP-13508:
Add diameter:peer_find/1
Add diameter:peer_info/1
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* anders/diameter/overload/OTP-13330:
Suppress dialyzer warning
Remove dead case clause
Let throttling callback send a throttle message
Acknowledge answers to notification pids when throttling
Throttle properly with TLS
Don't ask throttling callback to receive more unless needed
Let a throttling callback answer a received message
Let a throttling callback discard a received message
Let throttling callback return a notification pid
Make throttling callbacks on message reception
Add diameter_tcp option throttle_cb
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* anders/diameter/test/OTP-13438:
Don't assume list comprehension evaluation order
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