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
26 AC_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 [$]5}'`
43 FOUND_CORES=yes
44 elif test -n "$NUMBER_OF_PROCESSORS"; then
45 # On windows, look in the env
46 NUM_CORES=$NUMBER_OF_PROCESSORS
47 FOUND_CORES=yes
48 fi
49
50 # For c/c++ code we run twice as many concurrent build
51 # jobs than we have cores, otherwise we will stall on io.
52 CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
53
54 if test "x$FOUND_CORES" = xyes; then
55 AC_MSG_RESULT([$NUM_CORES])
56 else
57 AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
58 AC_MSG_WARN([This will disable all parallelism from build!])
59 fi
60
61 ])
62
63 AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
64 [
65 AC_MSG_CHECKING([for memory size])
66 # Default to 1024 MB
67 MEMORY_SIZE=1024
68 FOUND_MEM=no
69
70 if test -f /proc/meminfo; then
71 # Looks like a Linux (or cygwin) system
72 MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
73 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
74 FOUND_MEM=yes
75 elif test -x /usr/sbin/prtconf; then
76 # Looks like a Solaris system
77 MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
78 FOUND_MEM=yes
79 elif test -x /usr/sbin/system_profiler; then
80 # Looks like a MacOSX system
81 MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk '{print [$]2}'`
82 MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
83 FOUND_MEM=yes
84 elif test "x$OPENJDK_BUILD_OS" = xwindows; then
85 # Windows, but without cygwin
86 MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
87 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
88 FOUND_MEM=yes
89 fi
90
91 if test "x$FOUND_MEM" = xyes; then
92 AC_MSG_RESULT([$MEMORY_SIZE MB])
93 else
94 AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
95 AC_MSG_WARN([This might seriously impact build performance!])
96 fi
97 ])
98
99 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
100 [
101 # How many cores do we have on this build system?
102 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
103 [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
104 if test "x$with_num_cores" = x; then
105 # The number of cores were not specified, try to probe them.
106 BPERF_CHECK_CORES
107 else
108 NUM_CORES=$with_num_cores
109 CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
110 fi
111 AC_SUBST(NUM_CORES)
112 AC_SUBST(CONCURRENT_BUILD_JOBS)
113 ])
114
115 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
116 [
117 # How much memory do we have on this build system?
118 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
119 [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
120 if test "x$with_memory_size" = x; then
121 # The memory size was not specified, try to probe it.
122 BPERF_CHECK_MEMORY_SIZE
123 else
124 MEMORY_SIZE=$with_memory_size
125 fi
126 AC_SUBST(MEMORY_SIZE)
127 ])
128
129 AC_DEFUN([BPERF_SETUP_CCACHE],
130 [
131 AC_ARG_ENABLE([ccache],
132 [AS_HELP_STRING([--disable-ccache],
133 [disable using ccache to speed up recompilations @<:@enabled@:>@])],
134 [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
135 if test "x$ENABLE_CCACHE" = xyes; then
136 AC_PATH_PROG(CCACHE, ccache)
137 else
138 AC_MSG_CHECKING([for ccache])
139 AC_MSG_RESULT([explicitly disabled])
140 CCACHE=
141 fi
142 AC_SUBST(CCACHE)
143
144 AC_ARG_WITH([ccache-dir],
145 [AS_HELP_STRING([--with-ccache-dir],
146 [where to store ccache files @<:@~/.ccache@:>@])])
147
148 if test "x$with_ccache_dir" != x; then
149 # When using a non home ccache directory, assume the use is to share ccache files
150 # with other users. Thus change the umask.
151 SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
152 fi
153 CCACHE_FOUND=""
154 if test "x$CCACHE" != x; then
155 BPERF_SETUP_CCACHE_USAGE
156 fi
157 ])
158
159 AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
160 [
161 if test "x$CCACHE" != x; then
162 CCACHE_FOUND="true"
163 # Only use ccache if it is 3.1.4 or later, which supports
164 # precompiled headers.
165 AC_MSG_CHECKING([if ccache supports precompiled headers])
166 HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
167 if test "x$HAS_GOOD_CCACHE" = x; then
168 AC_MSG_RESULT([no, disabling ccache])
169 CCACHE=
170 else
171 AC_MSG_RESULT([yes])
172 AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
173 PUSHED_FLAGS="$CXXFLAGS"
174 CXXFLAGS="-fpch-preprocess $CXXFLAGS"
175 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
176 CXXFLAGS="$PUSHED_FLAGS"
177 if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
178 AC_MSG_RESULT([yes])
179 else
180 AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
181 CCACHE=
182 fi
183 fi
184 fi
185
186 if test "x$CCACHE" != x; then
187 CCACHE_SLOPPINESS=time_macros
188 CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
189 CCACHE_FLAGS=-fpch-preprocess
190
191 if test "x$SET_CCACHE_DIR" != x; then
192 mkdir -p $CCACHE_DIR > /dev/null 2>&1
193 chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
194 fi
195 fi
196 ])
197
198 AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
199 [
200
201 ###############################################################################
202 #
203 # Can the C/C++ compiler use precompiled headers?
204 #
205 AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
206 [disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
207 [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
208
209 USE_PRECOMPILED_HEADER=1
210 if test "x$ENABLE_PRECOMPH" = xno; then
211 USE_PRECOMPILED_HEADER=0
212 fi
213
214 if test "x$ENABLE_PRECOMPH" = xyes; then
215 # Check that the compiler actually supports precomp headers.
216 if test "x$GCC" = xyes; then
217 AC_MSG_CHECKING([that precompiled headers work])
218 echo "int alfa();" > conftest.h
219 $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
220 if test ! -f conftest.hpp.gch; then
221 USE_PRECOMPILED_HEADER=0
222 AC_MSG_RESULT([no])
223 else
224 AC_MSG_RESULT([yes])
225 fi
226 rm -f conftest.h conftest.hpp.gch
227 fi
228 fi
229
230 AC_SUBST(USE_PRECOMPILED_HEADER)
231 ])
232
233
234 AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
235 [
236 AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
237 [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
238
239 if test "x$with_sjavac_server_java" != x; then
240 SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
241 FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
242 if test "x$FOUND_VERSION" = x; then
243 AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
244 fi
245 else
246 SJAVAC_SERVER_JAVA=""
247 # Hotspot specific options.
248 ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
249 # JRockit specific options.
250 ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
251 SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
252 fi
253 AC_SUBST(SJAVAC_SERVER_JAVA)
254
255 AC_ARG_WITH(sjavac-server-cores, [AS_HELP_STRING([--with-sjavac-server-cores],
256 [use at most this number of concurrent threads on the sjavac server @<:@probed@:>@])])
257 if test "x$with_sjavac_server_cores" != x; then
258 SJAVAC_SERVER_CORES="$with_sjavac_server_cores"
259 else
260 if test "$NUM_CORES" -gt 16; then
261 # We set this arbitrary limit because we want to limit the heap
262 # size of the javac server.
263 # In the future we will make the javac compilers in the server
264 # share more and more state, thus enabling us to use more and
265 # more concurrent threads in the server.
266 SJAVAC_SERVER_CORES="16"
267 else
268 SJAVAC_SERVER_CORES="$NUM_CORES"
269 fi
270
271 if test "$MEMORY_SIZE" -gt "17000"; then
272 MAX_HEAP_MEM=10000
273 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
274 ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
275 elif test "$MEMORY_SIZE" -gt "10000"; then
276 MAX_HEAP_MEM=6000
277 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
278 ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
279 elif test "$MEMORY_SIZE" -gt "5000"; then
280 MAX_HEAP_MEM=3000
281 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
282 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
283 elif test "$MEMORY_SIZE" -gt "3800"; then
284 MAX_HEAP_MEM=2500
285 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
286 elif test "$MEMORY_SIZE" -gt "1900"; then
287 MAX_HEAP_MEM=1200
288 ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1400M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
289 elif test "$MEMORY_SIZE" -gt "1000"; then
290 MAX_HEAP_MEM=900
291 ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
292 else
293 MAX_HEAP_MEM=512
294 ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
295 fi
296
297 ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
298 ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
299 ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
300
301 MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
302 if test "$SJAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
303 AC_MSG_CHECKING([if number of server cores must be reduced])
304 SJAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
305 AC_MSG_RESULT([yes, to $SJAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
306 fi
307 fi
308 AC_SUBST(SJAVAC_SERVER_CORES)
309
310 AC_MSG_CHECKING([whether to use sjavac])
311 AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
312 [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
313 [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
314 AC_MSG_RESULT([$ENABLE_SJAVAC])
315 AC_SUBST(ENABLE_SJAVAC)
316
317 if test "x$ENABLE_SJAVAC" = xyes; then
318 SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
319 else
320 SJAVAC_SERVER_DIR=
321 fi
322 AC_SUBST(SJAVAC_SERVER_DIR)
323
324 ])