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'sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865' into maint-22
* sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865:
erts: Improve test of process_info(reductions)
Revert "erts: Force process_info(reductions) as signal"
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to provoke case when the main lock is released during execution.
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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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* lukas/OTP-22/misc-fixes:
erts: Restart driver_SUITE:polling node at failure
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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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Doing the dump via rpc can introduce all kins of strange
timing issiues. So instead we dump 5ms after the exit has
been started.
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Because of fragmentation of memory it is not always possible
to allocate enough 320 MB segments on 32-bit so we only sent
smaller packets there.
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1) Improved time calculations
When measuring the time something takes,
use monitonic time instead (of os:timestamp()).
2) Make sure we do not hang when the node start
hangs. We start new (slave) nodes via a starter process.
The point of that is that it can be killed when it
takes to long.
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When an evaluator skips (issue a exit or throw skip),
we must make sure all the other also terminates, before
the TC can end.
This was not done which cause the TC to fail when one
of the other evaluators (tester) terminated later.
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Make use of the new select functions; enif_select_[read|write],
for read and write select. These functions allows us to construct
the select message ourseves:
{'$socket', Socket, select, Ref}
This is in preparations for when we introduce the 'nowait'
(or something similar) value for the timeout argument (in accept,
read and write funcions).
It also solves (we hope) the term leakage problems (it was difficult
to free the environment when there was only one/socket).
OTP-15496
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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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Wait a little after to make sure that fun holding process to
complete its termination.
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According to the comment, this rule was only needed when communication
with R7B nodes was supported.
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With the new compiler in OTP 22, we have to use more options to
turn off optimizations.
This commit also skips the match_huge_int/1 test case in the
unoptimized clone of the bs_match_int module because it could
crash on memory-constrained computers.
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* bjorn/erts/measure-process_main/OTP-15620:
Add benchmark
Add erts_debug:interpreter_size/0
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Communication with OTP R16b has not been supported for a while.
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The test case tests that the bs_append instruction tests for overflow.
Make that clear by renaming the test case.
While at it, also add a few explicit garbage_collection/0 calls to
make it more likeley to run successfully in tight memory situations.
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This test case can fail for the wrong reason (swapping
followed by a timetrap timeout). It is unlikely to fail because
of a real bug.
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erts: Optimize arithmetic ops using overflow intrinsics
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We don't check for io errors as the pollset will be unstable.
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* bjorn/erts/cuddle-with-tests:
statistics_SUITE: Make wall_clock_update/1 more tolerant
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Fail when we cannot encode term in binary instead of producing a
faulty result.
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This test would fail on some versions of FreeBSD because /proc was
present but empty.
This commit makes the test fail if and only if a known zero-sized
file is found and turns out to be empty empty.
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* sverker/process_info-reductions-fix/OTP-15709:
erts: Fix bug in process_info(reductions)
erts: Use ptr_val for pointer in gc msg copy
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* sverker/process_info-reductions-fix/OTP-15709:
erts: Fix bug in process_info(reductions)
erts: Use ptr_val for pointer in gc msg copy
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This commit fixes a bug that could cause a crash or memory usage to
grow until the machine ran out of memory when adding a key-value pair
to a map. This could happen when inserting a new key-value pair with a
key K1 containing a binary B1 into a map M having a key K2 with a
binary B2 if the following conditions were met:
* size(B1) >= 4294967296
* size(B2) >= 4294967296
* size(M) >= 32
* (size(B1) rem 4294967296) == (size(B2) rem 4294967296)
* the first (size(B1) rem 4294967296) bytes are the same both in B1
and B2
* substituting B1 in K1 with B2 would result in a term with the same
value as K2
The root cause of the bug is that the map implementation only hashed
the first (X modulo 4294967296) bytes of binaries so that different
binaries could get hashed to the same hash value independently of the
hash seed.
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returning incorrect result as
* current process might not be RUNNING in which case REDS_IN
is actually used as def_arg_reg[5]
* FCALLS might not have been swapped out
* the SAVED_CALLS case was wrong and returned number of reds left
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* john/erts/remove-destructive-bs_get_binary2/ERL-901:
erts: Remove unsafe bs_get_binary2 optimization from loader
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A load-time optimization assumed that match contexts had no further
uses when a bs_get_binary2 overwrote the match context's register,
and figured it would be safe to reuse the match context's memory
for the resulting binary.
This is no longer safe as of OTP 22, as a match context may be
reused after being passed to another function.
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* sverker/bug-fixing:
erts: Fix erts_debug:set_internal_state(reds_left)
erts: Fix binary_SUITE:cmp_old_impl
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since DFLAG_BIG_CREATION became mandatory in
321dc6ee0241f802c940def174c0a77262e11f21.
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