build-performance.m4 revision 945:584dc2e95e04 
1#
2# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle in the LICENSE file that accompanied this code.
10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26AC_DEFUN([BPERF_CHECK_CORES],
27[
28    AC_MSG_CHECKING([for number of cores])
29    NUM_CORES=1
30    FOUND_CORES=no
31    
32    if test -f /proc/cpuinfo; then
33        # Looks like a Linux (or cygwin) system
34        NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
35        FOUND_CORES=yes
36    elif test -x /usr/sbin/psrinfo; then
37        # Looks like a Solaris system
38        NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
39        FOUND_CORES=yes
40    elif test -x /usr/sbin/system_profiler; then
41        # Looks like a MacOSX system
42        NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
43        FOUND_CORES=yes
44    elif test "x$OPENJDK_BUILD_OS" = xaix ; then
45        NUM_CORES=`/usr/sbin/prtconf | grep "^Number Of Processors" | awk '{ print [$]4 }'`
46        FOUND_CORES=yes
47    elif test -n "$NUMBER_OF_PROCESSORS"; then
48        # On windows, look in the env
49        NUM_CORES=$NUMBER_OF_PROCESSORS
50        FOUND_CORES=yes
51    fi
52
53    if test "x$FOUND_CORES" = xyes; then
54        AC_MSG_RESULT([$NUM_CORES])
55    else
56        AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
57        AC_MSG_WARN([This will disable all parallelism from build!])
58    fi 
59
60])
61
62AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
63[
64    AC_MSG_CHECKING([for memory size])
65    # Default to 1024 MB
66    MEMORY_SIZE=1024
67    FOUND_MEM=no
68    
69    if test -f /proc/meminfo; then
70        # Looks like a Linux (or cygwin) system
71        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
72        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
73        FOUND_MEM=yes
74    elif test -x /usr/sbin/prtconf; then
75        # Looks like a Solaris or AIX system
76        MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
77        FOUND_MEM=yes
78    elif test -x /usr/sbin/system_profiler; then
79        # Looks like a MacOSX system
80        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
81        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
82        FOUND_MEM=yes
83    elif test "x$OPENJDK_BUILD_OS" = xwindows; then
84        # Windows, but without cygwin
85        MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
86        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
87        FOUND_MEM=yes    
88    fi
89
90    if test "x$FOUND_MEM" = xyes; then
91        AC_MSG_RESULT([$MEMORY_SIZE MB])
92    else
93        AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
94        AC_MSG_WARN([This might seriously impact build performance!])
95    fi 
96])
97
98AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
99[
100  # How many cores do we have on this build system?
101  AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
102    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
103  if test "x$with_num_cores" = x; then
104    # The number of cores were not specified, try to probe them.
105    BPERF_CHECK_CORES
106  else
107    NUM_CORES=$with_num_cores
108  fi
109  AC_SUBST(NUM_CORES)
110])
111
112AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
113[
114  # How much memory do we have on this build system?
115  AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
116    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
117  if test "x$with_memory_size" = x; then
118    # The memory size was not specified, try to probe it.
119    BPERF_CHECK_MEMORY_SIZE
120  else
121    MEMORY_SIZE=$with_memory_size
122  fi
123  AC_SUBST(MEMORY_SIZE)
124])
125
126AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
127[
128  # Provide a decent default number of parallel jobs for make depending on 
129  # number of cores, amount of memory and machine architecture.
130  AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
131    [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
132  if test "x$with_jobs" = x; then
133    # Number of jobs was not specified, calculate.
134    AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
135    # Approximate memory in GB, rounding up a bit.
136    memory_gb=`expr $MEMORY_SIZE / 1100`
137    # Pick the lowest of memory in gb and number of cores.
138    if test "$memory_gb" -lt "$NUM_CORES"; then
139      JOBS="$memory_gb"
140    else
141      JOBS="$NUM_CORES"
142      # On bigger machines, leave some room for other processes to run
143      if test "$JOBS" -gt "4"; then
144        JOBS=`expr $JOBS '*' 90 / 100`
145      fi
146    fi
147    # Cap number of jobs to 16
148    if test "$JOBS" -gt "16"; then
149      JOBS=16
150    fi
151    if test "$JOBS" -eq "0"; then
152      JOBS=1
153    fi
154    AC_MSG_RESULT([$JOBS])
155  else
156    JOBS=$with_jobs
157  fi
158  AC_SUBST(JOBS)
159])
160
161AC_DEFUN([BPERF_SETUP_CCACHE],
162[
163    AC_ARG_ENABLE([ccache],
164	      [AS_HELP_STRING([--disable-ccache],
165	      		      [disable using ccache to speed up recompilations @<:@enabled@:>@])],
166              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
167    if test "x$ENABLE_CCACHE" = xyes; then
168        OLD_PATH="$PATH"
169        if test "x$TOOLS_DIR" != x; then
170          PATH=$TOOLS_DIR:$PATH
171        fi
172        AC_PATH_PROG(CCACHE, ccache)
173        PATH="$OLD_PATH"
174    else
175        AC_MSG_CHECKING([for ccache])
176        AC_MSG_RESULT([explicitly disabled])    
177        CCACHE=
178    fi    
179    AC_SUBST(CCACHE)
180
181    AC_ARG_WITH([ccache-dir],
182	      [AS_HELP_STRING([--with-ccache-dir],
183	      		      [where to store ccache files @<:@~/.ccache@:>@])])
184
185    if test "x$with_ccache_dir" != x; then
186        # When using a non home ccache directory, assume the use is to share ccache files
187        # with other users. Thus change the umask.
188        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
189    fi
190    CCACHE_FOUND=""
191    if test "x$CCACHE" != x; then
192        BPERF_SETUP_CCACHE_USAGE
193    fi    
194])
195
196AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
197[
198    if test "x$CCACHE" != x; then
199        CCACHE_FOUND="true"
200        # Only use ccache if it is 3.1.4 or later, which supports
201        # precompiled headers.
202        AC_MSG_CHECKING([if ccache supports precompiled headers])
203        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
204        if test "x$HAS_GOOD_CCACHE" = x; then
205            AC_MSG_RESULT([no, disabling ccache])
206            CCACHE=
207        else
208            AC_MSG_RESULT([yes])
209            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
210            PUSHED_FLAGS="$CXXFLAGS"
211            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
212            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
213            CXXFLAGS="$PUSHED_FLAGS"
214            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
215                AC_MSG_RESULT([yes])
216            else
217                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
218                CCACHE=
219            fi
220        fi
221    fi
222
223    if test "x$CCACHE" != x; then
224        CCACHE_SLOPPINESS=time_macros
225        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
226        CCACHE_FLAGS=-fpch-preprocess
227
228        if test "x$SET_CCACHE_DIR" != x; then
229            mkdir -p $CCACHE_DIR > /dev/null 2>&1
230	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
231        fi
232    fi
233])
234
235AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
236[
237       
238###############################################################################
239#
240# Can the C/C++ compiler use precompiled headers?
241#
242AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
243	[disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
244    [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
245
246USE_PRECOMPILED_HEADER=1
247if test "x$ENABLE_PRECOMPH" = xno; then
248    USE_PRECOMPILED_HEADER=0
249fi
250
251if test "x$ENABLE_PRECOMPH" = xyes; then
252    # Check that the compiler actually supports precomp headers.
253    if test "x$GCC" = xyes; then
254         AC_MSG_CHECKING([that precompiled headers work])
255         echo "int alfa();" > conftest.h
256         $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
257         if test ! -f conftest.hpp.gch; then
258             USE_PRECOMPILED_HEADER=0
259             AC_MSG_RESULT([no])        
260         else
261             AC_MSG_RESULT([yes])
262         fi
263         rm -f conftest.h conftest.hpp.gch
264    fi
265fi
266
267AC_SUBST(USE_PRECOMPILED_HEADER)
268])
269
270
271AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
272[
273AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
274	[use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
275
276if test "x$with_sjavac_server_java" != x; then
277    SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
278    FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
279    if test "x$FOUND_VERSION" = x; then
280        AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
281    fi
282else
283    SJAVAC_SERVER_JAVA=""
284    # Hotspot specific options.
285    ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
286    # JRockit specific options.
287    ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
288    SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
289fi                    
290AC_SUBST(SJAVAC_SERVER_JAVA)
291
292if test "$MEMORY_SIZE" -gt "2500"; then
293    ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
294    if test "$JVM_ARG_OK" = true; then
295        JVM_64BIT=true
296	JVM_ARG_OK=false
297    fi
298    fi
299
300if test "$JVM_64BIT" = true; then
301    if test "$MEMORY_SIZE" -gt "17000"; then
302        ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
303    fi
304    if test "$MEMORY_SIZE" -gt "10000" && test "$JVM_ARG_OK" = false; then
305        ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
306    fi
307    if test "$MEMORY_SIZE" -gt "5000" && test "$JVM_ARG_OK" = false; then
308        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
309    fi
310    if test "$MEMORY_SIZE" -gt "3800" && test "$JVM_ARG_OK" = false; then
311        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
312    fi
313fi
314if test "$MEMORY_SIZE" -gt "2500" && test "$JVM_ARG_OK" = false; then
315    ADD_JVM_ARG_IF_OK([-Xms1000M -Xmx1500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
316fi
317if test "$MEMORY_SIZE" -gt "1000" && test "$JVM_ARG_OK" = false; then
318    ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
319fi
320if test "$JVM_ARG_OK" = false; then
321    ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
322fi
323
324AC_MSG_CHECKING([whether to use sjavac])
325AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
326	[use sjavac to do fast incremental compiles @<:@disabled@:>@])],
327	[ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
328AC_MSG_RESULT([$ENABLE_SJAVAC])
329AC_SUBST(ENABLE_SJAVAC)
330
331if test "x$ENABLE_SJAVAC" = xyes; then
332    SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
333else
334    SJAVAC_SERVER_DIR=
335fi
336AC_SUBST(SJAVAC_SERVER_DIR)
337
338])
339