build-performance.m4 revision 476:2ba6f4da4bf3 
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    fi
45
46    # For c/c++ code we run twice as many concurrent build
47    # jobs than we have cores, otherwise we will stall on io.
48    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
49
50    if test "x$FOUND_CORES" = xyes; then
51        AC_MSG_RESULT([$NUM_CORES])
52    else
53        AC_MSG_RESULT([could not detect number of cores, defaulting to 1!])
54    fi 
55
56])
57
58AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
59[
60    AC_MSG_CHECKING([for memory size])
61    # Default to 1024 MB
62    MEMORY_SIZE=1024
63    FOUND_MEM=no
64    
65    if test -f /proc/meminfo; then
66        # Looks like a Linux (or cygwin) system
67        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
68        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
69        FOUND_MEM=yes
70    elif test -x /usr/sbin/prtconf; then
71        # Looks like a Solaris system
72        MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
73        FOUND_MEM=yes
74    elif test -x /usr/sbin/system_profiler; then
75        # Looks like a MacOSX system
76        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
77        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
78        FOUND_MEM=yes
79    elif test "x$build_os" = xwindows; then
80        # Windows, but without cygwin
81        MEMORY_SIZE=`systeminfo | grep 'Total Physical Memory:' | awk '{ print [$]4 }' | sed 's/,//'`
82        FOUND_MEM=yes    
83    fi
84
85    if test "x$FOUND_MEM" = xyes; then
86        AC_MSG_RESULT([$MEMORY_SIZE MB])
87    else
88        AC_MSG_RESULT([could not detect memory size defaulting to 1024 MB!])
89    fi 
90])
91
92AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
93[
94# How many cores do we have on this build system?
95AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
96    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
97if test "x$with_num_cores" = x; then
98    # The number of cores were not specified, try to probe them.
99    BPERF_CHECK_CORES
100else
101    NUM_CORES=$with_num_cores
102    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
103fi
104AC_SUBST(NUM_CORES)
105AC_SUBST(CONCURRENT_BUILD_JOBS)
106])
107
108AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
109[
110# How much memory do we have on this build system?
111AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
112    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
113if test "x$with_memory_size" = x; then
114    # The memory size was not specified, try to probe it.
115    BPERF_CHECK_MEMORY_SIZE
116else
117    MEMORY_SIZE=$with_memory_size
118fi
119AC_SUBST(MEMORY_SIZE)
120])
121
122AC_DEFUN([BPERF_SETUP_CCACHE],
123[
124    AC_ARG_ENABLE([ccache],
125	      [AS_HELP_STRING([--disable-ccache],
126	      		      [use ccache to speed up recompilations @<:@enabled@:>@])],
127              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
128    if test "x$ENABLE_CCACHE" = xyes; then
129        AC_PATH_PROG(CCACHE, ccache)
130    else
131        AC_MSG_CHECKING([for ccache])
132        AC_MSG_RESULT([explicitly disabled])    
133        CCACHE=
134    fi    
135    AC_SUBST(CCACHE)
136
137    AC_ARG_WITH([ccache-dir],
138	      [AS_HELP_STRING([--with-ccache-dir],
139	      		      [where to store ccache files @<:@~/.ccache@:>@])])
140
141    if test "x$with_ccache_dir" != x; then
142        # When using a non home ccache directory, assume the use is to share ccache files
143        # with other users. Thus change the umask.
144        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
145    fi
146    CCACHE_FOUND=""
147    if test "x$CCACHE" != x; then
148        BPERF_SETUP_CCACHE_USAGE
149    fi    
150])
151
152AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
153[
154    if test "x$CCACHE" != x; then
155        CCACHE_FOUND="true"
156        # Only use ccache if it is 3.1.4 or later, which supports
157        # precompiled headers.
158        AC_MSG_CHECKING([if ccache supports precompiled headers])
159        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
160        if test "x$HAS_GOOD_CCACHE" = x; then
161            AC_MSG_RESULT([no, disabling ccache])
162            CCACHE=
163        else
164            AC_MSG_RESULT([yes])
165            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
166            PUSHED_FLAGS="$CXXFLAGS"
167            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
168            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
169            CXXFLAGS="$PUSHED_FLAGS"
170            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
171                AC_MSG_RESULT([yes])
172            else
173                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
174                CCACHE=
175            fi
176        fi
177    fi
178
179    if test "x$CCACHE" != x; then
180        CCACHE_SLOPPINESS=time_macros
181        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
182        CCACHE_FLAGS=-fpch-preprocess
183
184        if test "x$SET_CCACHE_DIR" != x; then
185            mkdir -p $CCACHE_DIR > /dev/null 2>&1
186	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
187        fi
188    fi
189])
190
191AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
192[
193       
194###############################################################################
195#
196# Can the C/C++ compiler use precompiled headers?
197#
198AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
199	[use precompiled headers when compiling C++ @<:@enabled@:>@])],
200    [ENABLE_PRECOMPH=${enable_precompiled-headers}], [ENABLE_PRECOMPH=yes])
201
202USE_PRECOMPILED_HEADER=1
203if test "x$ENABLE_PRECOMPH" = xno; then
204    USE_PRECOMPILED_HEADER=0
205fi
206
207if test "x$ENABLE_PRECOMPH" = xyes; then
208    # Check that the compiler actually supports precomp headers.
209    if test "x$GCC" = xyes; then
210         AC_MSG_CHECKING([that precompiled headers work])         
211         echo "int alfa();" > conftest.h
212         $CXX -x c++-header conftest.h -o conftest.hpp.gch
213         if test ! -f conftest.hpp.gch; then
214             echo Precompiled header is not working!
215             USE_PRECOMPILED_HEADER=0
216             AC_MSG_RESULT([no])        
217         else
218             AC_MSG_RESULT([yes])
219         fi
220         rm -f conftest.h
221    fi
222fi
223
224AC_SUBST(USE_PRECOMPILED_HEADER)
225])
226
227
228AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
229[
230AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
231	[use this java binary for running the sjavac background server and other long running java tasks in the build process,
232     e.g. ---with-sjavac-server-java="/opt/jrockit/bin/java -server"])])
233
234if test "x$with_sjavac_server_java" != x; then
235    SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
236    FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
237    if test "x$FOUND_VERSION" = x; then
238        AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
239    fi
240else
241    SJAVAC_SERVER_JAVA=""
242    # Hotspot specific options.
243    ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
244    # JRockit specific options.
245    ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
246    SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
247fi                    
248AC_SUBST(SJAVAC_SERVER_JAVA)
249
250AC_ARG_WITH(sjavac-server-cores, [AS_HELP_STRING([--with-sjavac-server-cores],
251	[use at most this number of concurrent threads on the sjavac server @<:@probed@:>@])])
252if test "x$with_sjavac_server_cores" != x; then
253    SJAVAC_SERVER_CORES="$with_sjavac_server_cores"
254else
255    if test "$NUM_CORES" -gt 16; then
256        # We set this arbitrary limit because we want to limit the heap
257        # size of the javac server.
258        # In the future we will make the javac compilers in the server
259        # share more and more state, thus enabling us to use more and
260        # more concurrent threads in the server.
261        SJAVAC_SERVER_CORES="16"
262    else
263        SJAVAC_SERVER_CORES="$NUM_CORES"
264    fi
265
266    if test "$MEMORY_SIZE" -gt "17000"; then
267        MAX_HEAP_MEM=10000
268        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
269        ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
270    elif test "$MEMORY_SIZE" -gt "10000"; then
271        MAX_HEAP_MEM=6000
272        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
273        ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
274    elif test "$MEMORY_SIZE" -gt "5000"; then
275        MAX_HEAP_MEM=3000
276        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
277        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
278    elif test "$MEMORY_SIZE" -gt "3800"; then
279        MAX_HEAP_MEM=2500
280        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
281    elif test "$MEMORY_SIZE" -gt "1900"; then
282        MAX_HEAP_MEM=1200
283        ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1400M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
284    elif test "$MEMORY_SIZE" -gt "1000"; then
285        MAX_HEAP_MEM=900
286        ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
287    else
288        MAX_HEAP_MEM=512
289        ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
290    fi
291
292    ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
293    ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
294    ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
295
296    MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
297    if test "$SJAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
298        AC_MSG_CHECKING([if number of server cores must be reduced])
299        SJAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
300        AC_MSG_RESULT([yes, to $SJAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
301    fi
302fi                    
303AC_SUBST(SJAVAC_SERVER_CORES)
304
305AC_MSG_CHECKING([whether to use sjavac])
306AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
307	[use sjavac to do fast incremental compiles @<:@disabled@:>@])],
308	[ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
309AC_MSG_RESULT([$ENABLE_SJAVAC])
310AC_SUBST(ENABLE_SJAVAC)
311
312if test "x$ENABLE_SJAVAC" = xyes; then
313    SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
314else
315    SJAVAC_SERVER_DIR=
316fi
317AC_SUBST(SJAVAC_SERVER_DIR)
318
319])
320