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* rickard/node-refc-tests-22:
Fix etp-ets-tables
Fix node refc test for free processes hanging around
Enhanced node refc bookkeeping
Fix node container refc tests of ETS
Fix node refc test of external data
Node container refc test for persistent terms
Include persistent term storage in node/dist refc check
Fix node refc test for system message queue
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When running multiple valgrinds on the same machine we want to
attempt to make sure that they do not end up on the same core.
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for suppression file.
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to generate nice html from logs of gcov compiled emulator.
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Use %p instead of %x to print full pointer value.
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where
$argc does not exists
"if $undefined_variable" evaluates as true !?
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* lukas/tools/overhead_benchmark:
etp: Fix free de processes check
tools: Add overhead benchmark
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* sverker/to_erl-utf8/ERL-854:
erts: Remove 7-bit ASCII limitation in to_erl
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Symptom: to_erl garbles anything beyond 7-bit ASCII received on STDIN
Solution: Remove setting of ISTRIP flag on input terminal.
"man tcsetattr" says:
ISTRIP Strip off eighth bit.
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'lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613'
* lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613:
erts: Add debug dist obuf memory leak check
win32: Fix ./otp_build debuginfo_win32
Make ld.sh on windows print better error reason
erts: Fix so that externals with creation 0 compare equal to all
erts: Expand etp to look for free processes
erts: Implement trapping while sending distr exit/down
erts: Add ERL_NODE_BOOKKEEP to node tables refc
erts: Refactor ErtsSendContext to be ErtsDSigSendContext
erts: Add distr testcases for fragmentation
erts: Make remote send of exit/2 trap
erts: Implement fragmentation of distrubution messages
erts: Expand distribution protocol documentation
erts: Move reason in dist messages to payload
erts: Remove a copy of distribution data payload
erts: Yield later during process exit and allow free procs to run
erts: Refactor rbt _yielding to use reductions
erts: Limit binary printout for %.XT in erts_print
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OTP-15610
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The macro command was added quite recently and far from
all of our testmachines have this command
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The checks in place to allow this file to compile on macOS and BSD can be
extended to include Solaris.
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benign until valgrind version 4.* shows up.
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* sverker/cerl-fixing:
erts: Remove "-pz $PRELOADED" arguments added by cerl
erts: Remove dead code in cerl script
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* lukas/erts/etp-aux-work-fixes:
erts: Update etp-commands with correct aux_flags
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It caused problems when starting with -rr and other arguments.
Not sure what purpose it served
as -pz $PRELOADED is not passed by default by "erl".
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This was changed in the logger in 8aa64c90ddd20ec0ca8cc5fe92a6124324c51da5.
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Communication between Erlang processes has conceptually always been
performed through asynchronous signaling. The runtime system
implementation has however previously preformed most operation
synchronously. In a system with only one true thread of execution, this
is not problematic (often the opposite). In a system with multiple threads
of execution (as current runtime system implementation with SMP support)
it becomes problematic. This since it often involves locking of structures
when updating them which in turn cause resource contention. Utilizing
true asynchronous communication often avoids these resource contention
issues.
The case that triggered this change was contention on the link lock due
to frequent updates of the monitor trees during communication with a
frequently used server. The signal order delivery guarantees of the
language makes it hard to change the implementation of only some signals
to use true asynchronous signaling. Therefore the implementations
of (almost) all signals have been changed.
Currently the following signals have been implemented as true
asynchronous signals:
- Message signals
- Exit signals
- Monitor signals
- Demonitor signals
- Monitor triggered signals (DOWN, CHANGE, etc)
- Link signals
- Unlink signals
- Group leader signals
All of the above already defined as asynchronous signals in the
language. The implementation of messages signals was quite
asynchronous to begin with, but had quite strict delivery constraints
due to the ordering guarantees of signals between a pair of processes.
The previously used message queue partitioned into two halves has been
replaced by a more general signal queue partitioned into three parts
that service all kinds of signals. More details regarding the signal
queue can be found in comments in the erl_proc_sig_queue.h file.
The monitor and link implementations have also been completely replaced
in order to fit the new asynchronous signaling implementation as good
as possible. More details regarding the new monitor and link
implementations can be found in the erl_monitor_link.h file.
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The retry loop wasn't working anyway as it tested fd<0
instead of res.
So, there is no real semantic change here.
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to run beam with "rr record".
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* lukas/erts/etp-processes-ports-optimization:
erts: Optimize etp-processes and etp-ports
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Not calculating the max, table and invalid addresses
each loop speeds up iterating through the processes list
by about 5x.
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