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* rickard/ohmq/OTP-13047:
Fragmented young heap generation and off_heap_message_queue option
Refactor GC
Introduce literal tag
Conflicts:
erts/doc/src/erlang.xml
erts/emulator/beam/erl_gc.c
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* sverk/literal-memory-range:
erts: Refactor line table in loaded beam code
erts: Refactor header of loaded beam code
fix check_process_code for separate literal area
erts: Add support for fast erts_is_literal()
erts: Refactor erl_mmap to allow several mapper instances
erts: Add new allocator LITERAL
erts: Fix strangeness in treatment of MSEG_ALIGN_BITS
erts: Cleanup main carrier creation
erts: Remove unused erts_have_erts_mmap
erts: Refactor config test for posix_memalign
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* maint:
Add configure switch --disable-saved-compile-time
Fix ethread events with timeout
Improve choice of clock sources at build time
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The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.
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Authors: Wasif Malik and Johannes Huning
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ppc64le is a new arch/ABI that runs on IBM POWER processor starting at POWER8
processor, and it should be listed as a ppc64, mainly for hipe enablement.
For more information about this new arch/ABI, please check the documents at:
https://www-03.ibm.com/technologyconnect/tgcm/TGCMServlet.wss?alias=OpenPOWER
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* egil/erts/high_accuracy_sleep/OTP-12236:
erts: Add high accuracy poll timeouts
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* aw/native-cpu_sup/OTP-12730:
erts: Fix configure.in
os_mon: rename send() to sendi() in cpu_sup.c
os_mon: cpu_sup should use native sysctl/libkvm calls on BSD
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* sverk/erts-fp-exception-fixes/OTP-12717:
erts: Disable float exceptions for clang/llvm
erts: Increase buffer in erts_fp_check_init_error
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* rickard/time-improvement/OTP-11997:
Allow execution of estone suite on pre OTP-18 systems
Add parallel time monotonicity test-case
Replace usage of erlang:now() in line-tracing
Replace erlang:now() usage in emulator suite
Replace erlang:now() usage in system suite
Misc time improvements
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* henrik/update-javaversion:
update java version
OTP-12715
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- Possibility to chose different clock sources
- Improved mach clock usage
- Improved linux clock_gettime() usage
- ...
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Change erts/configure.in to force-disable FP exceptions if
the VM is compiled by clang/llvm. clang/llvm generates FP
code which does not work with FP exceptions (whether unmasked
as used in the Erlang VM, or masked followed by tests of
which are signalled). This is a known long-standing problem.
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Don't repeat cpu_sup in os_mon_programs - some OS gets confused, i.e. illumos.
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Using 'AC_EGREP_CPP(yes' without restraining the pattern always return
true if it runs from a path containing the string 'yes'.
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The configuration code which canonicalizes the operating system
name into OPSYS requires Linux to be spelled 'linux' or 'Linux'.
This is a problem in some build environments, e.g. RPM, which
supply --build and --host using the longer 'linux-gnu' spelling.
The effect is that OPSYS becomes 'noopsys' and some checks in
erts/configure.in do not work as expected, e.g. the auto-enabling
of HiPE may not happen.
Fixed by matching on 'linux*' not just 'linux'.
On ARM there are even longer variants such as 'linux-gnueabi' and
'linux-gnueabihf': these are also correctly mapped to 'linux' now.
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Different poll/select implementations have different ways
to handle timeouts of < ms accuracy. Most have extended
API like pselect or such, while others rely on using
timerfds (epoll_wait). If no high accuracy timeout is
available, we simply round up to nearest ms. If we do not
roundup we will spin the last ms when waiting for a timeout
which is not desirable.
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* rickard/gcc-atomics/OTP-12383:
Improve ethread atomics based on GCC builtins
Conflicts:
erts/aclocal.m4
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Perfctr is a Linux kernel extension that allows programmatic access
to the performance monitoring counters found in most current CPUs.
However, development of perfctr ceased after 2010, and it cannot be
used with Linux kernels newer than 2.6.32.
Therefore the perfctr support code in the Erlang VM is effectively
dead code, so this patch removes it.
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* oliv3/math_log2/OTP-12411:
Add math:log2/1
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* Use of __atomic builtins when available.
* Improved configure test that checks for missing memory
barrier in __sync_synchronize(). The old approach was to
verify known working gcc versions and check gcc version at
compile time. Besides not being very safe, the old approach
often unnecessarily caused usage of the very expensive
workaround.
* Introduced (no overhead) workaround for missing clobber in
__sync_synchronize() when using buggy LLVM implementation of
__sync_synchronize().
* Implement native memory barriers for ARM processors supporting
the DMB instruction.
* Use of volatile store on Alpha as atomic set operation if no
__atomic_store_n() is available (already used on x86/x86_64
Sparc V9, PowerPC, and MIPS). Fallback used when not using
volatile store is typically very expensive.
* Use volatile load on Alpha and ARM as atomic read operation
if no __atomic_load_n() is available (already used on
x86/x86_64 Sparc V9, PowerPC, and MIPS). Fallback when not
using volatile load is typically very expensive.
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This avoids forking off with os:cmd every time we just want to
collect the load averages. riak does this every second, which
results in a lot of unnecessary load.
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Handle peer addresses that are unconfirmed (i.e. in state SCTP_UNCONFIRMED).
Handle unknown states instead of using ASSERT
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When configuring erts to support dynamic trace via dtrace, be sure to clean
up the temporary file "erts/foo-dtrace.h" used to help check for dtrace
support. Otherwise, it shows up as an untracked file in git.
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* sverk/with-ssl-rpath/OTP-12316:
erts,crypto: Add configure option --with-ssl-rpath
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Signed-off-by: Peter Lemenkov <[email protected]>
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OS X Mavericks builds result in a number of warnings about finite() being
deprecated, like these:
beam/erl_arith.c:451:7: warning: 'finite' is deprecated: first deprecated in OS X 10.9 [-Wdeprecated-declarations]
ERTS_FP_ERROR(p, f1.fd, goto badarith);
^
sys/unix/erl_unix_sys.h:319:33: note: expanded from macro 'ERTS_FP_ERROR'
^
sys/unix/erl_unix_sys.h:244:51: note: expanded from macro '__ERTS_FP_ERROR'
^
/usr/include/math.h:718:12: note: 'finite' has been explicitly marked deprecated here
extern int finite(double) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_9, __IPHONE_NA, __IPHONE_NA);
Add checks to use isfinite() instead of finite() where available. Verified
on OS X Mavericks 10.9.5 and Ubuntu 12.04.
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* sverk/with-ssl-incl:
Correct SSL_RUNTIME_LIBDIR when erl_xcomp_sysroot ends with a /
Add configure option --with-ssl-incl=PATH
OTP-12215
OTP-12216
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to be used together with --with-ssl=PATH if the include directory
is in another location.
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* lukas/docfixes-17.3/OTP-12152:
Fix some spelling misstakes
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Similar to debugging with Valgrind, it's very useful to enable
-fsanitize= switches to catch bugs at runtime.
$ ./configure
Result: no sanitizer enabled
$ ./configure --enable-sanitizers
Result: -fsanitize=address,undefined
$ ./configure --enable-sanitizers=address,thread,undefined
Result: -fsanitize=address,thread,undefined
$ ./configure --enable-sanitizers=undefined
Result: -fsanitize=undefined
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* Check of atomics on bsd
* Add --enable-systemd for epmd
* Remove unused --enable-tsp option
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* matwey/systemd/OTP-11829:
Add systemd socket activation for epmd.
Conflicts:
erts/epmd/src/epmd_int.h
Extra ticket: OTP-11828
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* sverk/halfword-deprecate/OTP-11777:
erts: Deprecate halfword emulator
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In c7ddafbe, which disabled floating point exceptions on Linux,
floating point exceptions were accidentally enabled on MacOS X.
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