|
1 /* |
|
2 * Copyright (c) 1998, 2013, 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. |
|
8 * |
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
|
13 * accompanied this code). |
|
14 * |
|
15 * You should have received a copy of the GNU General Public License version |
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 * |
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 * or visit www.oracle.com if you need additional information or have any |
|
21 * questions. |
|
22 * |
|
23 */ |
|
24 |
|
25 #include "precompiled.hpp" |
|
26 #include "memory/universe.hpp" |
|
27 #include "oops/oop.inline.hpp" |
|
28 #include "runtime/arguments.hpp" |
|
29 #ifdef TARGET_ARCH_x86 |
|
30 # include "vm_version_x86.hpp" |
|
31 #endif |
|
32 #ifdef TARGET_ARCH_sparc |
|
33 # include "vm_version_sparc.hpp" |
|
34 #endif |
|
35 #ifdef TARGET_ARCH_zero |
|
36 # include "vm_version_zero.hpp" |
|
37 #endif |
|
38 #ifdef TARGET_ARCH_arm |
|
39 # include "vm_version_arm.hpp" |
|
40 #endif |
|
41 #ifdef TARGET_ARCH_ppc |
|
42 # include "vm_version_ppc.hpp" |
|
43 #endif |
|
44 |
|
45 const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release(); |
|
46 const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string(); |
|
47 bool Abstract_VM_Version::_supports_cx8 = false; |
|
48 bool Abstract_VM_Version::_supports_atomic_getset4 = false; |
|
49 bool Abstract_VM_Version::_supports_atomic_getset8 = false; |
|
50 bool Abstract_VM_Version::_supports_atomic_getadd4 = false; |
|
51 bool Abstract_VM_Version::_supports_atomic_getadd8 = false; |
|
52 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; |
|
53 int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0; |
|
54 |
|
55 #ifndef HOTSPOT_RELEASE_VERSION |
|
56 #error HOTSPOT_RELEASE_VERSION must be defined |
|
57 #endif |
|
58 #ifndef JRE_RELEASE_VERSION |
|
59 #error JRE_RELEASE_VERSION must be defined |
|
60 #endif |
|
61 #ifndef HOTSPOT_BUILD_TARGET |
|
62 #error HOTSPOT_BUILD_TARGET must be defined |
|
63 #endif |
|
64 |
|
65 #ifdef PRODUCT |
|
66 #define VM_RELEASE HOTSPOT_RELEASE_VERSION |
|
67 #else |
|
68 #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET |
|
69 #endif |
|
70 |
|
71 // HOTSPOT_RELEASE_VERSION must follow the release version naming convention |
|
72 // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>] |
|
73 int Abstract_VM_Version::_vm_major_version = 0; |
|
74 int Abstract_VM_Version::_vm_minor_version = 0; |
|
75 int Abstract_VM_Version::_vm_build_number = 0; |
|
76 bool Abstract_VM_Version::_initialized = false; |
|
77 int Abstract_VM_Version::_parallel_worker_threads = 0; |
|
78 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; |
|
79 |
|
80 void Abstract_VM_Version::initialize() { |
|
81 if (_initialized) { |
|
82 return; |
|
83 } |
|
84 char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION); |
|
85 |
|
86 // Expecting the next vm_version format: |
|
87 // <major_ver>.<minor_ver>-b<nn>[-<identifier>] |
|
88 char* vm_major_ver = vm_version; |
|
89 assert(isdigit(vm_major_ver[0]),"wrong vm major version number"); |
|
90 char* vm_minor_ver = strchr(vm_major_ver, '.'); |
|
91 assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number"); |
|
92 vm_minor_ver[0] = '\0'; // terminate vm_major_ver |
|
93 vm_minor_ver += 1; |
|
94 char* vm_build_num = strchr(vm_minor_ver, '-'); |
|
95 assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number"); |
|
96 vm_build_num[0] = '\0'; // terminate vm_minor_ver |
|
97 vm_build_num += 2; |
|
98 |
|
99 _vm_major_version = atoi(vm_major_ver); |
|
100 _vm_minor_version = atoi(vm_minor_ver); |
|
101 _vm_build_number = atoi(vm_build_num); |
|
102 |
|
103 os::free(vm_version); |
|
104 _initialized = true; |
|
105 } |
|
106 |
|
107 #if defined(_LP64) |
|
108 #define VMLP "64-Bit " |
|
109 #else |
|
110 #define VMLP "" |
|
111 #endif |
|
112 |
|
113 #ifndef VMTYPE |
|
114 #ifdef TIERED |
|
115 #define VMTYPE "Server" |
|
116 #else // TIERED |
|
117 #ifdef ZERO |
|
118 #ifdef SHARK |
|
119 #define VMTYPE "Shark" |
|
120 #else // SHARK |
|
121 #define VMTYPE "Zero" |
|
122 #endif // SHARK |
|
123 #else // ZERO |
|
124 #define VMTYPE COMPILER1_PRESENT("Client") \ |
|
125 COMPILER2_PRESENT("Server") |
|
126 #endif // ZERO |
|
127 #endif // TIERED |
|
128 #endif |
|
129 |
|
130 #ifndef HOTSPOT_VM_DISTRO |
|
131 #error HOTSPOT_VM_DISTRO must be defined |
|
132 #endif |
|
133 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM" |
|
134 |
|
135 const char* Abstract_VM_Version::vm_name() { |
|
136 return VMNAME; |
|
137 } |
|
138 |
|
139 |
|
140 const char* Abstract_VM_Version::vm_vendor() { |
|
141 #ifdef VENDOR |
|
142 return XSTR(VENDOR); |
|
143 #else |
|
144 return JDK_Version::is_gte_jdk17x_version() ? |
|
145 "Oracle Corporation" : "Sun Microsystems Inc."; |
|
146 #endif |
|
147 } |
|
148 |
|
149 |
|
150 const char* Abstract_VM_Version::vm_info_string() { |
|
151 switch (Arguments::mode()) { |
|
152 case Arguments::_int: |
|
153 return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; |
|
154 case Arguments::_mixed: |
|
155 return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; |
|
156 case Arguments::_comp: |
|
157 return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; |
|
158 }; |
|
159 ShouldNotReachHere(); |
|
160 return ""; |
|
161 } |
|
162 |
|
163 // NOTE: do *not* use stringStream. this function is called by |
|
164 // fatal error handler. if the crash is in native thread, |
|
165 // stringStream cannot get resource allocated and will SEGV. |
|
166 const char* Abstract_VM_Version::vm_release() { |
|
167 return VM_RELEASE; |
|
168 } |
|
169 |
|
170 // NOTE: do *not* use stringStream. this function is called by |
|
171 // fatal error handlers. if the crash is in native thread, |
|
172 // stringStream cannot get resource allocated and will SEGV. |
|
173 const char* Abstract_VM_Version::jre_release_version() { |
|
174 return JRE_RELEASE_VERSION; |
|
175 } |
|
176 |
|
177 #define OS LINUX_ONLY("linux") \ |
|
178 WINDOWS_ONLY("windows") \ |
|
179 SOLARIS_ONLY("solaris") \ |
|
180 AIX_ONLY("aix") \ |
|
181 BSD_ONLY("bsd") |
|
182 |
|
183 #ifdef ZERO |
|
184 #define CPU ZERO_LIBARCH |
|
185 #else |
|
186 #define CPU IA32_ONLY("x86") \ |
|
187 IA64_ONLY("ia64") \ |
|
188 AMD64_ONLY("amd64") \ |
|
189 ARM_ONLY("arm") \ |
|
190 PPC32_ONLY("ppc") \ |
|
191 PPC64_ONLY("ppc64") \ |
|
192 SPARC_ONLY("sparc") |
|
193 #endif // ZERO |
|
194 |
|
195 const char *Abstract_VM_Version::vm_platform_string() { |
|
196 return OS "-" CPU; |
|
197 } |
|
198 |
|
199 const char* Abstract_VM_Version::internal_vm_info_string() { |
|
200 #ifndef HOTSPOT_BUILD_USER |
|
201 #define HOTSPOT_BUILD_USER unknown |
|
202 #endif |
|
203 |
|
204 #ifndef HOTSPOT_BUILD_COMPILER |
|
205 #ifdef _MSC_VER |
|
206 #if _MSC_VER == 1100 |
|
207 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" |
|
208 #elif _MSC_VER == 1200 |
|
209 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" |
|
210 #elif _MSC_VER == 1310 |
|
211 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" |
|
212 #elif _MSC_VER == 1400 |
|
213 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" |
|
214 #elif _MSC_VER == 1500 |
|
215 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" |
|
216 #elif _MSC_VER == 1600 |
|
217 #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)" |
|
218 #elif _MSC_VER == 1700 |
|
219 #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)" |
|
220 #else |
|
221 #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) |
|
222 #endif |
|
223 #elif defined(__SUNPRO_CC) |
|
224 #if __SUNPRO_CC == 0x420 |
|
225 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" |
|
226 #elif __SUNPRO_CC == 0x500 |
|
227 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) |
|
228 #elif __SUNPRO_CC == 0x520 |
|
229 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) |
|
230 #elif __SUNPRO_CC == 0x580 |
|
231 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" |
|
232 #elif __SUNPRO_CC == 0x590 |
|
233 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" |
|
234 #elif __SUNPRO_CC == 0x5100 |
|
235 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
|
236 #elif __SUNPRO_CC == 0x5120 |
|
237 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3" |
|
238 #else |
|
239 #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) |
|
240 #endif |
|
241 #elif defined(__GNUC__) |
|
242 #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ |
|
243 #elif defined(__IBMCPP__) |
|
244 #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__) |
|
245 |
|
246 #else |
|
247 #define HOTSPOT_BUILD_COMPILER "unknown compiler" |
|
248 #endif |
|
249 #endif |
|
250 |
|
251 #ifndef FLOAT_ARCH |
|
252 #if defined(__SOFTFP__) |
|
253 #define FLOAT_ARCH_STR "-sflt" |
|
254 #elif defined(E500V2) |
|
255 #define FLOAT_ARCH_STR "-e500v2" |
|
256 #elif defined(ARM) |
|
257 #define FLOAT_ARCH_STR "-vfp" |
|
258 #elif defined(PPC32) |
|
259 #define FLOAT_ARCH_STR "-hflt" |
|
260 #else |
|
261 #define FLOAT_ARCH_STR "" |
|
262 #endif |
|
263 #else |
|
264 #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH) |
|
265 #endif |
|
266 |
|
267 return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR |
|
268 " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ |
|
269 " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; |
|
270 } |
|
271 |
|
272 const char *Abstract_VM_Version::vm_build_user() { |
|
273 return HOTSPOT_BUILD_USER; |
|
274 } |
|
275 |
|
276 unsigned int Abstract_VM_Version::jvm_version() { |
|
277 return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | |
|
278 ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | |
|
279 (Abstract_VM_Version::vm_build_number() & 0xFF); |
|
280 } |
|
281 |
|
282 |
|
283 void VM_Version_init() { |
|
284 VM_Version::initialize(); |
|
285 |
|
286 #ifndef PRODUCT |
|
287 if (PrintMiscellaneous && Verbose) { |
|
288 os::print_cpu_info(tty); |
|
289 } |
|
290 #endif |
|
291 } |
|
292 |
|
293 unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
|
294 unsigned int num, |
|
295 unsigned int den, |
|
296 unsigned int switch_pt) { |
|
297 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
|
298 assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
|
299 // For very large machines, there are diminishing returns |
|
300 // for large numbers of worker threads. Instead of |
|
301 // hogging the whole system, use a fraction of the workers for every |
|
302 // processor after the first 8. For example, on a 72 cpu machine |
|
303 // and a chosen fraction of 5/8 |
|
304 // use 8 + (72 - 8) * (5/8) == 48 worker threads. |
|
305 unsigned int ncpus = (unsigned int) os::active_processor_count(); |
|
306 return (ncpus <= switch_pt) ? |
|
307 ncpus : |
|
308 (switch_pt + ((ncpus - switch_pt) * num) / den); |
|
309 } else { |
|
310 return ParallelGCThreads; |
|
311 } |
|
312 } |
|
313 |
|
314 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
|
315 return nof_parallel_worker_threads(5, 8, 8); |
|
316 } |
|
317 |
|
318 |
|
319 // Does not set the _initialized flag since it is |
|
320 // a global flag. |
|
321 unsigned int Abstract_VM_Version::parallel_worker_threads() { |
|
322 if (!_parallel_worker_threads_initialized) { |
|
323 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
|
324 _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
|
325 } else { |
|
326 _parallel_worker_threads = ParallelGCThreads; |
|
327 } |
|
328 _parallel_worker_threads_initialized = true; |
|
329 } |
|
330 return _parallel_worker_threads; |
|
331 } |