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For applications where measurements show enhanced performance from the use
of a non-default number of emulator scheduler threads, having to accurately
set the right number of scheduler threads across multiple hosts each with
different numbers of logical processors is difficult because the erl +S
option requires absolute numbers of scheduler threads and scheduler threads
online to be specified.
To address this issue, add a +SP option to erl, similar to the existing +S
option but allowing the number of scheduler threads and scheduler threads
online to be set as percentages of logical processors configured and
logical processors available, respectively. For example, "+SP 50:25" sets
the number of scheduler threads to 50% of the logical processors
configured, and the number of scheduler threads online to 25% of the
logical processors available. The +SP option also interacts with any
settings specified with the +S option, such that the combination of options
"+S 4:4 +SP 50:50" (in either order) results in 2 scheduler threads and 2
scheduler threads online.
Add documentation for the +SP option.
Add tests for the +SP option to scheduler_SUITE.
Add tests and documentation for two existing features of the +S option: +S
0:0 resets the scheduler thread count and scheduler threads online count to
their defaults, and specifying negative numbers for +S results in those
values being subtracted from the default values for the host.
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* sze/edlin_understand_keys/OTP-11251:
Added primary bootstrap
erts: fixed documentation regarding tty and arrow keys
make edlin understand a few important control keys
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The actual port id is used to create a key from the
pointer value which is the ErlDrvPort. To do this
a new driver api function driver_async_port_key is
added and the driver API minor version is updated.
The documentation is updated and the faulty description of
how to spread ports over async threads is updated to
use the new API.
Testcase also added.
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- Remove trailing whitespaces
- Spelling fixes
- Replace "deferred" with "deprecated" where applicable
- Remove reference to non-existing "async_ready" entry point
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Hi Fredrik,
> I've gotten some feedback from your review,
> You need to add documentation under Erts-> "User's Guide" -> "tty - A
> command line interface"
>
> You need to add testcase in interactive_shell_SUITE a simplified
> example of how this testcase could look like;
> ctrl_w_and_ctrl_u(_Conf) ->
> rtnode([{putline,""}, {putline, "2."}, {getline, "2"},
> {putline,"xxx yy"++[$\^w]++"."}, {getline,"xxx"}, {putline,"xxx
> yy"++[$\^u]++"z."}, {getline,"z"}],[]).
Please find an updated version of the patch attached to this e-mail. I
hope that you still accept it via e-mail because the former patch was
sent the same way ;-).
I have extended the documentation to list the new key combinations and
added tests to make sure they work.
Kind regards,
--
Dr. Stefan Zegenhagen
arcutronix GmbH
Garbsener Landstr. 10
30419 Hannover
Germany
Tel: +49 511 277-2734
Fax: +49 511 277-2709
Email: [email protected]
Web: www.arcutronix.com
*Synchronize the Ethernet*
General Managers: Dipl. Ing. Juergen Schroeder, Dr. Josef Gfrerer -
Legal Form: GmbH, Registered office: Hannover, HRB 202442, Amtsgericht
Hannover; Ust-Id: DE257551767.
Please consider the environment before printing this message.
>From ce4b827c78d18f39bb1146fd2959ffd7ae2b4bb6 Mon Sep 17 00:00:00 2001
From: Stefan Zegenhagen <[email protected]>
Date: Mon, 6 May 2013 14:39:07 +0200
Subject: [PATCH] [EDLIN] support a few more control keys
Add support for the following control keys that many users have become
accustomed to:
- <CTRL>+W : backward kill word
- <CTRL>+U : backward kill line
- <HOME> : goto start of line
- <END> : goto end of line
- <CTRL>+<LEFT> : backward word
- <CTRL>+<RIGHT> : forward word
It seems that the <CTRL>+<LEFT|RIGHT> control key sequences are
different between terminal emulators, therefore a few possible
combinations were added (similar to how libreadline is configured).
Documentation and tests are extended to reflect the new functionality.
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* sverk/aoffcbf:
erts: Make aoffcbf default when migration is enabled
erts: Add new allocator strategy aoffcbf
OTP-11174
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with better performance than aoffcaobf as we don't have to rearrange
the search tree when there are blocks of equal size.
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+sfwi Interval
Set scheduler forced wakeup interval. All run queues will be scanned
each Interval milliseconds. While there are sleeping schedulers in
the system, one scheduler will be woken for each non-empty run queue
found. An Interval of zero disables this feature, which also is the
default.
This feature has been introduced as a temporary workaround for lengthy
executing native code, and native code that do not bump reductions
properly in OTP. When these bugs have be fixed the +sfwi flag will
be removed.
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* pan/r16b01/system_monitor_long_schedule/OTP-11067:
Minor spelling correction
Add system_monitor of long_schedule
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and add documentation in erts_alloc
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* rickard/ptab-id-alloc/OTP-11077:
Introduce a better id allocation algorithm for PTabs
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* maint-r16:
Prepare release
Prepare release
Do not count offline run-queues as empty
Prepare release
Prevent loss of objects after the extension marker
Don't lose the extension mark for object set parameters
Conflicts:
erts/vsn.mk
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These were documented in the stdlib user's guide, but not in the
reference manual for erl. This has now been corrected.
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Conflicts:
erts/vsn.mk
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The manual says that an Emacs directive can be placed on the second
line. With this patch that directive is also recognized when selecting
encoding of the script.
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* rickard/epmd-prot-doc/OTP-10872:
Add info about UTF-8 encoding of nodename
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* pan/unicode_printable_ranges:
Adapt stdlib tests to ~tp detecting latin1 binaries
Update primary bootstrap
Make wx debugger use +pc flag when applicable
Correct misspelled comments and space at lin ends
Make ~tp output latin1 binaries as strings if possible
Leave the +pc handling to io and io_lib_pretty
Remove newly introduced warning in erlexec.c
Make shell_SUITE:otp_10302 use +pc unicode when needed
Fix io_proto_SUITE to handle the new io_lib_pretty:print
Add testcase for +pc and io:printable_range/0
Make printing of UTF-8 in binaries behave like lists.
Document +pc flag and io:printable_range/0
Add usage of and spec for io:printable_range/0
Add +pc {latin1|unicode} switch and io:printable_range/0
Fix some Unicode issues
OTP-18084
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* rickard/erl_drv_consume_timeslice/OTP-10810:
Implement erl_drv_consume_timeslice()
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* rickard/r16b/notes-fix:
Fix erts-5.10 release notes
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* lukas/erts/binary_conv_bifs/OTP-10300:
erts: Remove ?line macro from hash_SUITE
Add float_to_binary and binary_to_float
Add new binary conversion bifs
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Added: binary_to_integer/1,2, integer_to_binary/1,2
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* sverk/nif-cut-timeslice:
erts: Add enif_consume_timeslice
OTP-10810
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* egil/enhance-mseg-cache/OTP-10840:
erts: Utilize even more cached sbc segments
erts: Prefer sbc segment caching over mbc segments
erts: Segment allocator CircleQ API
erts: Increase default #cached segments to 10
erts: Evict old cached segments for newer ones
erts: Refactor mseg cache
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* sverk/efile_drv-memleak:
erts: Fix documentation about 10 default async threads.
erts: Fix memory leak in efile_drv.c
OTP-10841
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* saleyn/float_to_list_2/OTP-10837:
Fix memory leak in error case
Use macros instead of constants
float_to_list/2 changed rounding and cosmetic cleanup
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