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* bjorn/erts/fix-wrong-class/ERIERL-367/OTP-15834:
Fix sticky class in exception
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When catching an exception re-throwing with a changed
class, the class could be changed to the original class
if the exception got caught and rethrown in (for example)
an after block:
sticky_class() ->
try
try
throw(reason)
catch
throw:Reason:Stack ->
erlang:raise(error, Reason, Stack)
end
after
ok
end.
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After calculating the length of a list, length/1 would accidentally
bump all remaining reductions, forcing the process to yield. Correct
the calculation.
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* sverker/process_info-reductions-fix/OTP-15793:
erts: Force process_info(reductions) as signal
erts: Fix another bug in process_info(reductions)
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* sverker/process_info-reductions-fix/OTP-15793:
erts: Force process_info(reductions) as signal
erts: Fix another bug in process_info(reductions)
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Not 100% sure this is needed to get correct reductions
as the direct query is not done if process is RUNNING anyway.
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* lukas/erts/distr-frag-fixes:
erts: Add documentation for distribution fragments
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* sverker/tw-assert:
erts: Fix bug in timer wheel at cancel during bump yield
erts: Tidy up some harmless code typos
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* lukas/erts/distr-frag-fixes:
Update run-dialyzer script to be more generic and aggressive
erts: Fix memory leak for down/exit message
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* john/erts/alloc-header-packing-win64:
erts_alloc: Fix header packing on Win64
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When a fragmented down/exit is sent to a non-existing process the message
would just be dropped without being deallocated.
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Symptom:
Failed debug assert in find_next_timeout
ERTS_TW_ASSERT(tiw->yield_slot == ERTS_TW_SLOT_INACTIVE);
Problem:
If remove_timer() was called in between yielding erts_bump_timers()
tiw->true_next_timeout_time could be set to 0 leading to
find_next_timeout() being called before all bumping is done.
Solution:
Don't clear tiw->true_next_timeout_time in remove_timer()
if tiw->yield_slot is active.
Does not seem this bug could cause other more harmful symptoms,
but not sure.
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* rickard/dist-q-sz-fix:
Fix distribution queue size adjustment
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to disregard consumed virtual reductions
which are not aggregated into p->reds
and if included may cause reduction count go backwards.
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No need to pre-allocate a buffer before name length calculation.
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This reverts commit 425889ba69b69a9b6fb14bfbef121d51b78e853a.
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* kjell/emulator/persistent_term_yield/OTP-15615:
Make persistent_term:put/2 and persistent_term:erase/1 yield
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* rickard/dist-system-limit/OTP-15708:
Fail when we cannot encode term in binary
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Prior to this commit, the functions put/2 and erase/1 in the
persistent_term module did not yield even if the persistent term table
was large (the persistent term table is copied every time put/2 or
erase/1 is called). Furthermore, a call to put/2 or erase/1 did only
consume a single reduction. This commit fixes these problems.
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* lukas/OTP-22-rc2/misc-fixes/OTP-15773:
erts: Yield correctly when iterating over distr exit messages
erts: Fix cerl -rr to use correct etp file
erts: Fix etp-process-info to print exiting and free processes
tools: Adjust instrument abort tc to better trigger faults
erts: Fix cleanup of message factory undo
erts: Make dump_SUITE:free_dump not dump via rpc
erts: Add extra debugging to dist frag testcases
erts: Run smaller dist frag test to 32 bit machines
erl_docgen: Remove accidentally merged debug printout
erts: Fix z_SUITE to always look for cerl in ERL_TOP
otp: make top Makefile app target respect TYPE variable
vxworks: Make vxworks configure use environment CFLAGS
erts: Make erts_free debug failure easier to diagnose
erts: Fix gcc warning in to_erl
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Before this fix the process would continue to process
more distributed down or exit messages until it
ran out of reductions instead of being suspended
immediately.
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This commit fixes an ETS test case that tests the decentralized memory
counter in tables of type ordered_set with the write_concurrency
option turned on. The test case assumed that the memory consumption of
the table would only grow monotonically when terms are
inserted. However, this was not the case when the emulator was
compiled in debug mode as random splits and joins of CA tree nodes
could happen. This commit fixes the test case by disabling random
splits and joins in the tested table.
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* bjorn/cuddle-with-tests:
crash dump: Fix printing of "OldBinVHeap unused"
crash dump: Include correct IP for a garbing process
fun_SUITE: Make refc/1 test more reliable
Remove redundant rule from Emakefile
Turn off more optimizations for no_opt modules
test_server_node: Bump compiler compatibility version to OTP 20
erts_test_utils: Bump compiler compatibility version to OTP 20
distribution_SUITE: Remove irrelevant test atom_roundtrip_r16b
bs_construct_SUITE: Rename bs_add_overflow/1 to bs_append_overflow/1
bs_construct_SUITE: Remove troublesome test huge_binary/1
bs_construct_SUITE: Remove incorrect purpose line
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During a garbage collection, there could have been an overflow
in the old virtual heap.
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Make sure that the instruction pointer is correct for a garbing
process in a crash dump.
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* bjorn/erts/measure-process_main/OTP-15620:
Add benchmark
Add erts_debug:interpreter_size/0
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* sverker/node-table-cmp-0-creation-fix:
erts: Revert creation 0 as wildcard in node_table_cmp
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* sverker/revert-big-creation:
Revert "erts: Make DFLAG_BIG_CREATION mandatory"
Revert "erts: Remove old encoding of pids, ports and refs"
Revert "erl_interface: Remove old encoding of pid,port,refs"
Revert "epmd: Support 32-bit creation values in local node"
Revert "jinterface: Remove old encoding of pid,port,refs"
Revert "erl_interface: Support 32-bit creation local cnode"
Revert "erts: Document new EPMD response ALIVE2_X_RESP"
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This is a partial revert of
bf7c722bd3b30e04a56c2d369fd9f5501a8316d0.
It does not make sense to treat 0 as a wild card in cmp function
for the hash table as creation is part of the hash calculation.
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Previously, all ETS tables used centralized counter variables to keep
track of the number of items stored and the amount of memory
consumed. These counters can cause scalability problems (especially on
big NUMA systems). This commit adds an implementation of a
decentralized counter and modifies the implementation of ETS so that
ETS tables of type ordered_set with write_concurrency enabled use the
decentralized counter. [Experiments][1] indicate that this change
substantially improves the scalability of ETS ordered_set tables with
write_concurrency enabled in scenarios with frequent `ets:insert/2`
and `ets:delete/2` calls.
The new counter is implemented in the module erts_flxctr
(`erts_flxctr.h` and `erts_flxctr.c`). The module has the suffix
flxctr as it contains the implementation of a flexible counter (i.e.,
counter instances can be configured to be either centralized or
decentralized). Counters that are configured to be centralized are
implemented with a single counter variable which is modified with
atomic operations. Decentralized counters are spread over several
cache lines (how many can be configured with the parameter
`+dcg`). The scheduler threads are mapped to cache lines so that there
is no single point of contention when decentralized counters are
updated. The thread progress functionality of the Erlang VM is
utilized to implement support for linearizable snapshots of
decentralized counters. The snapshot functionality is used by the
`ets:info/1` and `ets:info/2` functions.
[1]: http://winsh.me/ets_catree_benchmark/flxctr_res.html
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erts: Optimize arithmetic ops using overflow intrinsics
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* john/merge-re-replace-fix:
erts: Skip ERTS_NOINLINE on non-GCC-compatible compilers
cleanup: beam_emu.c: use ERTS_NOINLINE instead of NOINLINE
stdlib: fix re:replace on LTO builds
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This reverts commit 321dc6ee0241f802c940def174c0a77262e11f21.
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This reverts commit 0b74eec2a1fd5716ba6e21d8c6715433d8d34510.
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This reverts commit bd8f6106d44a58c261920eef72842bb3bc5a4968.
PLUS a little change in epmd_srv.c:750 ("4" -> "replylen")
that was part of e2cf4a8a4b03b9f430ba228276c3b2629159e832
by mistake.
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The wrong allocator type was given to erts_free.
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Complementory fix to 922fd355831575965
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The edep->data values need to be 64-bit aligned as it
contains 64-bit values.
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