diff options
Diffstat (limited to 'HOWTO')
| -rw-r--r-- | HOWTO/BOOTSTRAP.md | 3 | ||||
| -rw-r--r-- | HOWTO/DTRACE.md | 345 | ||||
| -rw-r--r-- | HOWTO/INSTALL-RASPBERRYPI3.md | 323 | ||||
| -rw-r--r-- | HOWTO/INSTALL.md | 29 | ||||
| -rw-r--r-- | HOWTO/TESTING.md | 2 |
5 files changed, 336 insertions, 366 deletions
diff --git a/HOWTO/BOOTSTRAP.md b/HOWTO/BOOTSTRAP.md index 59e31165cf..6f5f417d51 100644 --- a/HOWTO/BOOTSTRAP.md +++ b/HOWTO/BOOTSTRAP.md @@ -14,8 +14,7 @@ Primary bootstrap The two types of version controlled code are fundamentally different. The primary bootstrap is code compiled from source files in -the lib/{kernel,stdlib,compiler} (and header files from -lib/orber/include. They are checked in in the version control system +the lib/{kernel,stdlib,compiler} (They are checked in in the version control system to make it possible to build directly from the code base tree without the need for an earlier version of the compiler. When a new version of OTP is released, these files are updated manually (or rather, by using diff --git a/HOWTO/DTRACE.md b/HOWTO/DTRACE.md index 90f4addefd..28712dab88 100644 --- a/HOWTO/DTRACE.md +++ b/HOWTO/DTRACE.md @@ -44,348 +44,13 @@ Status As of R15B01, the dynamic trace code is included in the OTP source distribution, although it's considered experimental. The main development of the dtrace code still happens outside of Ericsson, but there is no need to fetch a patched -version of the OTP source to get the basic funtionality. +version of the OTP source to get the basic functionality. -Implementation summary ----------------------- +DTrace probe specifications +--------------------------- -So far, most effort has been focused on the `efile_drv.c` code, -which implements most file I/O on behalf of the Erlang virtual -machine. This driver also presents a big challenge: its use of an I/O -worker pool (enabled by using the `erl +A 8` flag, for example) makes -it much more difficult to trace I/O activity because each of the -following may be executed in a different Pthread: - -* I/O initiation (Erlang code) -* I/O proxy process handling, e.g. read/write when file is not opened - in `raw` mode, operations executed by the code & file server processes. - (Erlang code) -* `efile_drv` command setup (C code) -* `efile_drv` command execution (C code) -* `efile_drv` status return (C code) - -Example output from `lib/runtime_tools/examples/efile_drv.d` while executing -`file:rename("old-name", "new-name")`: - - efile_drv enter tag={3,84} user tag some-user-tag | RENAME (12) | args: old-name new-name ,\ - 0 0 (port #Port<0.59>) - async I/O worker tag={3,83} | RENAME (12) | efile_drv-int_entry - async I/O worker tag={3,83} | RENAME (12) | efile_drv-int_return - efile_drv return tag={3,83} user tag | RENAME (12) | errno 2 - -... where the following key can help decipher the output: - -* `{3,83}` is the Erlang scheduler thread number (3) and operation - counter number (83) assigned to this I/O operation. Together, - these two numbers form a unique ID for the I/O operation. -* `12` is the command number for the rename operation. See the - definition for `FILE_RENAME` in the source code file `efile_drv.c` - or the `BEGIN` section of the D script `lib/runtime_tools/examples/efile_drv.d`. -* `old-name` and `new-name` are the two string arguments for the - source and destination of the `rename(2)` system call. - The two integer arguments are unused; the simple formatting code - prints the arguments anyway, 0 and 0. -* The worker pool code was called on behalf of Erlang port `#Port<0.59>`. -* The system call failed with a POSIX errno value of 2: `ENOENT`, - because the path `old-name` does not exist. -* The `efile_drv-int_entry` and `efile_drv_int_return` probes are - provided in case the user is - interested in measuring only the latency of code executed by - `efile_drv` asynchronous functions by I/O worker pool threads - and the OS system call that they encapsulate. - -So, where does the `some-user-tag` string come from? - -At the moment, the user tag comes from code like the following: - - dyntrace:put_tag("some-user-tag"), - file:rename("old-name", "new-name"), - -This method of tagging I/O at the Erlang level is subject to change. - -Example DTrace probe specification ----------------------------------- - - /** - * Fired when a message is sent from one local process to another. - * - * NOTE: The 'size' parameter is in machine-dependent words and - * that the actual size of any binary terms in the message - * are not included. - * - * @param sender the PID (string form) of the sender - * @param receiver the PID (string form) of the receiver - * @param size the size of the message being delivered (words) - * @param token_label for the sender's sequential trace token - * @param token_previous count for the sender's sequential trace token - * @param token_current count for the sender's sequential trace token - */ - probe message__send(char *sender, char *receiver, uint32_t size, - int token_label, int token_previous, int token_current); - - /** - * Fired when a message is sent from a local process to a remote process. - * - * NOTE: The 'size' parameter is in machine-dependent words and - * that the actual size of any binary terms in the message - * are not included. - * - * @param sender the PID (string form) of the sender - * @param node_name the Erlang node name (string form) of the receiver - * @param receiver the PID/name (string form) of the receiver - * @param size the size of the message being delivered (words) - * @param token_label for the sender's sequential trace token - * @param token_previous count for the sender's sequential trace token - * @param token_current count for the sender's sequential trace token - */ - probe message__send__remote(char *sender, char *node_name, char *receiver, - uint32_t size, - int token_label, int token_previous, int token_current); - - /** - * Fired when a message is queued to a local process. This probe - * will not fire if the sender's pid == receiver's pid. - * - * NOTE: The 'size' parameter is in machine-dependent words and - * that the actual size of any binary terms in the message - * are not included. - * - * @param receiver the PID (string form) of the receiver - * @param size the size of the message being delivered (words) - * @param queue_len length of the queue of the receiving process - * @param token_label for the sender's sequential trace token - * @param token_previous count for the sender's sequential trace token - * @param token_current count for the sender's sequential trace token - */ - probe message__queued(char *receiver, uint32_t size, uint32_t queue_len, - int token_label, int token_previous, int token_current); - - /** - * Fired when a message is 'receive'd by a local process and removed - * from its mailbox. - * - * NOTE: The 'size' parameter is in machine-dependent words and - * that the actual size of any binary terms in the message - * are not included. - * - * @param receiver the PID (string form) of the receiver - * @param size the size of the message being delivered (words) - * @param queue_len length of the queue of the receiving process - * @param token_label for the sender's sequential trace token - * @param token_previous count for the sender's sequential trace token - * @param token_current count for the sender's sequential trace token - */ - probe message__receive(char *receiver, uint32_t size, uint32_t queue_len, - int token_label, int token_previous, int token_current); - - /* ... */ - - /* Async driver pool */ - - /** - * Show the post-add length of the async driver thread pool member's queue. - * - * NOTE: The port name is not available: additional lock(s) must - * be acquired in order to get the port name safely in an SMP - * environment. The same is true for the aio__pool_get probe. - * - * @param port the Port (string form) - * @param new queue length - */ - probe aio_pool__add(char *, int); - - /** - * Show the post-get length of the async driver thread pool member's queue. - * - * @param port the Port (string form) - * @param new queue length - */ - probe aio_pool__get(char *, int); - - /* Probes for efile_drv.c */ - - /** - * Entry into the efile_drv.c file I/O driver - * - * For a list of command numbers used by this driver, see the section - * "Guide to probe arguments" in ../../../README.md. That section - * also contains explanation of the various integer and string - * arguments that may be present when any particular probe fires. - * - * TODO: Adding the port string, args[10], is a pain. Making that - * port string available to all the other efile_drv.c probes - * will be more pain. Is the pain worth it? If yes, then - * add them everywhere else and grit our teeth. If no, then - * rip it out. - * - * @param thread-id number of the scheduler Pthread arg0 - * @param tag number: {thread-id, tag} uniquely names a driver operation - * @param user-tag string arg2 - * @param command number arg3 - * @param string argument 1 arg4 - * @param string argument 2 arg5 - * @param integer argument 1 arg6 - * @param integer argument 2 arg7 - * @param integer argument 3 arg8 - * @param integer argument 4 arg9 - * @param port the port ID of the busy port args[10] - */ - probe efile_drv__entry(int, int, char *, int, char *, char *, - int64_t, int64_t, int64_t, int64_t, char *); - - /** - * Entry into the driver's internal work function. Computation here - * is performed by a async worker pool Pthread. - * - * @param thread-id number - * @param tag number - * @param command number - */ - probe efile_drv__int_entry(int, int, int); - - /** - * Return from the driver's internal work function. - * - * @param thread-id number - * @param tag number - * @param command number - */ - probe efile_drv__int_return(int, int, int); - - /** - * Return from the efile_drv.c file I/O driver - * - * @param thread-id number arg0 - * @param tag number arg1 - * @param user-tag string arg2 - * @param command number arg3 - * @param Success? 1 is success, 0 is failure arg4 - * @param If failure, the errno of the error. arg5 - */ - probe efile_drv__return(int, int, char *, int, int, int); - -Guide to efile_drv.c probe arguments ------------------------------------- - - /* Driver op code: used by efile_drv-entry arg3 */ - /* used by efile_drv-int_entry arg3 */ - /* used by efile_drv-int_return arg3 */ - /* used by efile_drv-return arg3 */ - - #define FILE_OPEN 1 (probe arg3) - probe arg6 = C driver dt_i1 = flags; - probe arg4 = C driver dt_s1 = path; - - #define FILE_READ 2 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = size; - - #define FILE_LSEEK 3 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = offset; - probe arg8 = C driver dt_i3 = origin; - - #define FILE_WRITE 4 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = size; - - #define FILE_FSTAT 5 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - - #define FILE_PWD 6 (probe arg3) - none - - #define FILE_READDIR 7 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_CHDIR 8 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_FSYNC 9 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - - #define FILE_MKDIR 10 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_DELETE 11 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_RENAME 12 (probe arg3) - probe arg4 = C driver dt_s1 = old_name; - probe arg5 = C driver dt_s2 = new_name; - - #define FILE_RMDIR 13 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_TRUNCATE 14 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - - #define FILE_READ_FILE 15 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_WRITE_INFO 16 (probe arg3) - probe arg6 = C driver dt_i1 = mode; - probe arg7 = C driver dt_i2 = uid; - probe arg8 = C driver dt_i3 = gid; - - #define FILE_LSTAT 19 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_READLINK 20 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_LINK 21 (probe arg3) - probe arg4 = C driver dt_s1 = existing_path; - probe arg5 = C driver dt_s2 = new_path; - - #define FILE_SYMLINK 22 (probe arg3) - probe arg4 = C driver dt_s1 = existing_path; - probe arg5 = C driver dt_s2 = new_path; - - #define FILE_CLOSE 23 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - - #define FILE_PWRITEV 24 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = size; - - #define FILE_PREADV 25 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = size; - - #define FILE_SETOPT 26 (probe arg3) - probe arg6 = C driver dt_i1 = opt_name; - probe arg7 = C driver dt_i2 = opt_specific_value; - - #define FILE_IPREAD 27 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = offsets[0]; - probe arg9 = C driver dt_i4 = size; - - #define FILE_ALTNAME 28 (probe arg3) - probe arg4 = C driver dt_s1 = path; - - #define FILE_READ_LINE 29 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = flags; - probe arg8 = C driver dt_i3 = read_offset; - probe arg9 = C driver dt_i4 = read_ahead; - - #define FILE_FDATASYNC 30 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - - #define FILE_FADVISE 31 (probe arg3) - probe arg6 = C driver dt_i1 = fd; - probe arg7 = C driver dt_i2 = offset; - probe arg8 = C driver dt_i3 = length; - probe arg9 = C driver dt_i4 = advise_type; +Probe specifications can be found in `erts/emulator/beam/erlang_dtrace.d`, and +a few example scripts can be found under `lib/runtime_tools/examples/`. [1]: http://www.erlang.org/euc/08/ [$ERL_TOP/HOWTO/SYSTEMTAP.md]: SYSTEMTAP.md diff --git a/HOWTO/INSTALL-RASPBERRYPI3.md b/HOWTO/INSTALL-RASPBERRYPI3.md new file mode 100644 index 0000000000..536d095cb4 --- /dev/null +++ b/HOWTO/INSTALL-RASPBERRYPI3.md @@ -0,0 +1,323 @@ +# Cross Compiling Erlang/OTP - Raspberry Pi 3 + + +## Introduction + +This document describes how to build a toolchain and cross compile Erlang/OTP +to Raspberry Pi 3 on macOS High Sierra. It is recommended to consult +[Building and Installing Erlang/OTP](https://github.com/erlang/otp/blob/master/HOWTO/INSTALL.md) and [Cross Compiling Erlang/OTP](https://github.com/erlang/otp/blob/master/HOWTO/INSTALL-CROSS.md) before attempting to follow the instructions in this guide. + +The whole process takes several hours and depending on the package versions different problems may arise that require additional +fixes not described in this document. In other words, it is not fun to build a toolchain. I assume that you have a Mac and would +like to develop Erlang/OTP applications based on the latest OTP release (or master) that not yet released as a binary for +Raspberry Pi 3. + +The first and most time consuming step is building the toolchain from scratch. Once your cross compiler is ready you cross compile +all library dependencies and create the sysroot file system. In the last step you cross compile Erlang/OTP using the new +toolchain and sysroot. + +#### Tested Configuration + +macOS High Sierra 10.13.2<br> +Raspberry Pi Model B Rev 1.2<br> +Crosstools-NG 1.23.0_1 + +> Note: /proc/device/tree/model contains model information of your +> Raspberry Pi. + + +#### Install Crosstool NG + + (1) + + $ brew install crosstool-ng + $ brew install grep --default-names # needed by crosstools-ng scripts + $ brew install md5sha1sum # needed by crosstools-ng populate script + + +#### Create case-sensitive disk images + + (2) + +Create two case-sensitive disk images using Disk Utility: + +`File -> New Image -> Blank Image...` + +Format: `Mac OS Extended (Case-sensitive, Journaled)` + +``` +/Volumes/xtools-build-env 15 GB +/Volumes/xtools 500 MB +``` + +The first image holds all source and object files while building the toolchain. The second image houses the compiled +toolchain. + +## Building the Toolchain + + +#### Configure crosstool-ng + + (4) + + $ ct-ng armv8-rpi3-linux-gnueabihf + $ ct-ng menuconfig + +#### Modify *path* section + +* Local tarballs directory: `/Volumes/xtools-build-env/src` +* Working directory: `/Volumes/xtools-build-env/.build` +* Prefix directory: `/Volumes/xtools/${CT_TARGET}` + +#### Modify *Extracting* section + +* Check option: _Stop after extracting tarballs_. + +> Note: The build shall stop after the tarballs have been extracted to give us time to fix source code problems. + +#### Enable STOP / RESTART + +Edit /Volumes/xtools-build-env/.config + `CT_DEBUG_CT_SAVE_STEPS=y` + +Should the build break at a particular build step, you can fix the problem and continue the build from where it broke. + +Short summary of the most common `ct-ng` commands: + +* Listing all build steps + +``` + $ ct-ng list-steps + + Available build steps, in order: + - companion_tools_for_build + - companion_libs_for_build + - binutils_for_build + - companion_tools_for_host + - companion_libs_for_host + - binutils_for_host + - cc_core_pass_1 + - kernel_headers + - libc_start_files + - cc_core_pass_2 + - libc + - cc_for_build + - cc_for_host + - libc_post_cc + - companion_libs_for_target + - binutils_for_target + - debug + - test_suite + - finish +``` + +* Re-run step +``` + $ ct-ng step +``` + +* Restart from step +``` + $ ct-ng step+ +``` + +* Run until step +``` + $ ct-ng +step +``` + +#### Fix file permissions on crosstool-NG.sh + + (5) + + $ chmod 744 /usr/local/Cellar/crosstool-ng/1.23.0_1/lib/crosstool-ng-1.23.0/scripts/crosstool-NG.sh + +#### Run build command + +Build process stops just after the tarballs have been extracted. + + (6) + + $ ct-ng build + + Retrieving needed toolchain components' tarballs + [EXTRA] Retrieving 'make-4.2.1' + [EXTRA] Retrieving 'm4-1.4.18' + [EXTRA] Retrieving 'linux-4.10.8' + [EXTRA] Retrieving 'gmp-6.1.2' + [EXTRA] Retrieving 'mpfr-3.1.5' + [EXTRA] Retrieving 'isl-0.16.1' + [EXTRA] Retrieving 'mpc-1.0.3' + [EXTRA] Retrieving 'expat-2.2.0' + [EXTRA] Retrieving 'ncurses-6.0' + [EXTRA] Retrieving 'libiconv-1.15' + [EXTRA] Retrieving 'gettext-0.19.8.1' + [EXTRA] Retrieving 'binutils-2.28' + [EXTRA] Retrieving 'gcc-6.3.0' + [EXTRA] Retrieving 'glibc-2.25' + [EXTRA] Retrieving 'gdb-7.12.1' + +#### Fix source files + + (7) + +Add macro to /Volumes/xtools-build-env/.build/src/gdb-7.12.1/gdb/doublest.c: +```C +#define min(a,b) \ + ({ typeof (a) _a = (a); \ + typeof (b) _b = (b); \ + _a < _b ? _a : _b; }) +``` + + (8) Update ulimit + + $ ulimit -n 1024 + +#### Modify *extract* section + + (8) + + $ ct-ng menuconfig + + Uncheck option: _Stop after extracting tarballs_ + +#### Re-run build command + +Restarts build process from where it previously stopped. + + (9) + + $ ct-ng build + +#### Fix gettext + +Build will fail at step `companion_tools_for_build` but it can be fixed by running autoreconf: + + (10) + + $ cd .build/src/gettext-0.19.8.1/ + $ ./autoreconf + $ ct-ng companion_tools_for_build+ + +#### Test the toolchain + + (11) + + $ cat > test.c + $ int main() { printf("Hello, world!\n"); return 0; } + $ /Volumes/xtools/arm-unknown-linux-gnueabi-gcc -o test test.c + + (12) OPTIONAL + + “Render the toolchain read-only” from crosstool-NG’s “Paths and misc options” configuration page. + + +## Cross compiling dependencies + + (13) + + $ export PATH=/Volumes/xtools/armv8-rpi3-linux-gnueabihf/bin:$PATH + +#### Cross compiling zlib + + (14) + + $ wget http://zlib.net/zlib-1.2.11.tar.gz + $ tar xf zlib-1.2.11.tar.gz + $ cd zlib-1.2.11 + $ CHOST=armv8-rpi3-linux-gnueabihf ./configure --prefix=/Users/<username>/git/raspberrypi/arm + $ make + $ make install + +#### Cross compiling openssl + + (15) + + $ wget http://openssl.org/source/openssl-1.1.0g.tar.gz + $ tar xf openssl-1.1.0g.tar.gz + $ cd openssl-1.1.0g + $ ./Configure linux-generic32 --prefix=/Users/<username>/git/raspberrypi/arm --openssldir=/Users/<username>/git/raspberrypi/arm/openssl --cross-compile-prefix=armv8-rpi3-linux-gnueabihf + $ make + $ make install + +#### Cross compiling ncurses + + (16) + + $ wget http://ftp.gnu.org/pub/gnu/ncurses/ncurses-5.9.tar.gz + + + (17) + +Apply patch: + +```patch +--- a/ncurses/base/MKlib_gen.sh ++++ b/ncurses/base/MKlib_gen.sh +@@ -474,11 +474,22 @@ sed -n -f $ED1 \ + -e 's/gen_$//' \ + -e 's/ / /g' >>$TMP + ++cat >$ED1 <<EOF ++s/ / /g ++s/^ // ++s/ $// ++s/P_NCURSES_BOOL/NCURSES_BOOL/g ++EOF ++ ++# A patch discussed here: ++# https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html ++# introduces spurious #line markers. Work around that by ignoring the system's ++# attempt to define "bool" and using our own symbol here. ++sed -e 's/bool/P_NCURSES_BOOL/g' $TMP > $ED2 ++cat $ED2 >$TMP ++ + $preprocessor $TMP 2>/dev/null \ +-| sed \ +- -e 's/ / /g' \ +- -e 's/^ //' \ +- -e 's/_Bool/NCURSES_BOOL/g' \ ++| sed -f $ED1 \ + | $AWK -f $AW2 \ + | sed -f $ED3 \ + | sed \ +``` + + (18) + + $ ./configure --build=x86_64-apple-darwin17.3.0 --host=armv8-rpi3-linux-gnueabihf --without-ada --without-cxx --without-cxx-binding --without-manpages --without-progs --without-tests --prefix=/usr --libdir=/lib --with-build-cc="gcc -D_GNU_SOURCE" --with-shared + $ make + $ make DESTDIR=/Users/<username>/git/raspberrypi/arm install + + (19) + +Compile ncurses test program: + + $ cd test + $ armv8-rpi3-linux-gnueabihf-gcc -o nctest ncurses.c -I${RPI_SYSROOT}/usr/include -L${RPI_SYSROOT}/lib -lncursesw + + +## Populating sysroot + + (19) + + Edit /Volumes/xtools/armv8-rpi3-linux-gnueabihf/bin/armv8-rpi3-linux-gnueabihf-populate: + + sed="gsed" + + (20) + + $ armv8-rpi3-linux-gnueabihf-populate -s /Users/<username>/git/raspberrypi/arm -d /Users/<username>/git/raspberrypi/sysroot + $ export RPI_SYSROOT=/Users/<username>/git/raspberrypi/sysroot + + +## Cross compiling Erlang/OTP + + (21) + + $ LC_CTYPE=C && LANG=C && ./otp_build autoconf + $ ./otp_build configure --disable-dynamic-ssl-lib --xcomp-conf=./xcomp/erl-xcomp-armv8-rpi3-linux-gnueabihf.conf + $ ./otp_build boot -a + $ ./otp_build release -a /Users/<username>/git/raspberrypi/erlang + $ tar czf erlang.tgz ./erlang + diff --git a/HOWTO/INSTALL.md b/HOWTO/INSTALL.md index 53f2dd26e2..456dafeba5 100644 --- a/HOWTO/INSTALL.md +++ b/HOWTO/INSTALL.md @@ -72,13 +72,11 @@ also find the utilities needed for building the documentation. as the binary command program `openssl`. At least version 0.9.8 of OpenSSL is required. Read more and download from <http://www.openssl.org>. * Oracle Java SE JDK -- The Java Development Kit (Standard Edition). - Required for building the application `jinterface` and parts of `ic` and `orber`. + Required for building the application `jinterface`. At least version 1.6.0 of the JDK is required. Download from <http://www.oracle.com/technetwork/java/javase/downloads>. We have also tested with IBM's JDK 1.6.0. -* X Windows -- Development headers and libraries are needed - to build the Erlang/OTP application `gs` on Unix/Linux. * `flex` -- Headers and libraries are needed to build the flex scanner for the `megaco` application on Unix/Linux. * wxWidgets -- Toolkit for GUI applications. @@ -340,12 +338,6 @@ use the `--prefix` argument like this: `./configure --prefix=<Dir>`. Some of the available `configure` options are: * `--prefix=PATH` - Specify installation prefix. -* `--enable-plain-emulator` - Build a threaded emulator that only - uses one scheduler. This emulator type is deprecated and will be - removed in a future release. -* `--disable-threads` - Build a non-threaded emulator. This emulator type - is deprecated and will be - removed in a future release. * `--{enable,disable}-kernel-poll` - Kernel poll support (enabled by default if possible) * `--{enable,disable}-hipe` - HiPE support (enabled by default on supported @@ -423,11 +415,6 @@ Some of the available `configure` options are: and scalability compared to the default clock sources chosen. * `--disable-saved-compile-time` - Disable saving of compile date and time in the emulator binary. -* `--enable-dirty-schedulers` - Enable the **experimental** dirty schedulers - functionality. Note that the dirty schedulers functionality is experimental, - and **not supported**. This functionality **will** be subject to backward - incompatible changes. Note that you should **not** enable the dirty scheduler - functionality on production systems. It is only provided for testing. If you or your system has special requirements please read the `Makefile` for additional configuration information. @@ -586,16 +573,12 @@ as before, but the build process will take a much longer time. After completing all the normal building steps described above a debug enabled runtime system can be built. To do this you have to change -directory to `$ERL_TOP/erts/emulator`. +directory to `$ERL_TOP/erts/emulator` and execute: -In this directory execute: + $ (cd $ERL_TOP/erts/emulator && make debug) - $ make debug FLAVOR=$FLAVOR - -where `$FLAVOR` is either `plain` or `smp`. The flavor options will -produce a beam.debug and beam.smp.debug executable respectively. The -files are installed along side with the normal (opt) versions `beam.smp` -and `beam`. +This will produce a beam.smp.debug executable. The +file are installed along side with the normal (opt) version `beam.smp`. To start the debug enabled runtime system execute: @@ -609,7 +592,7 @@ using appropriate configure options. There are other types of runtime systems that can be built as well using the similar steps just described. - $ make $TYPE FLAVOR=$FLAVOR + $ (cd $ERL_TOP/erts/emulator && make $TYPE) where `$TYPE` is `opt`, `gcov`, `gprof`, `debug`, `valgrind`, or `lcnt`. These different beam types are useful for debugging and profiling diff --git a/HOWTO/TESTING.md b/HOWTO/TESTING.md index 34eaa68df8..ad59319efa 100644 --- a/HOWTO/TESTING.md +++ b/HOWTO/TESTING.md @@ -80,7 +80,7 @@ To configure and run the tests `ts` is used. `ts` is a wrapper module to [common_test][] which takes care of configuration and build issues before [common_test][] is started. -`ts` has a lot of special options and functions which can be usefull when +`ts` has a lot of special options and functions which can be useful when testing Erlang/OTP. For a full listing issue `ts:help()` in the erlang shell. ### Configuring the test environment |