jdk8-mips64-public/hotspot: src/share/vm/runtime/vm

6791672: enable 1G and larger pages on solaris
Reviewed-by: ysr, iveresov, johnc

     1 /*

     2  * Copyright (c) 1998, 2011, 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  */

    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

    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 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;

    50 #ifndef HOTSPOT_RELEASE_VERSION

    51   #error HOTSPOT_RELEASE_VERSION must be defined

    52 #endif

    53 #ifndef JRE_RELEASE_VERSION

    54   #error JRE_RELEASE_VERSION must be defined

    55 #endif

    56 #ifndef HOTSPOT_BUILD_TARGET

    57   #error HOTSPOT_BUILD_TARGET must be defined

    58 #endif

    60 #ifdef PRODUCT

    61   #define VM_RELEASE HOTSPOT_RELEASE_VERSION

    62 #else

    63   #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET

    64 #endif

    66 // HOTSPOT_RELEASE_VERSION must follow the release version naming convention

    67 // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>]

    68 int Abstract_VM_Version::_vm_major_version = 0;

    69 int Abstract_VM_Version::_vm_minor_version = 0;

    70 int Abstract_VM_Version::_vm_build_number = 0;

    71 bool Abstract_VM_Version::_initialized = false;

    72 int Abstract_VM_Version::_parallel_worker_threads = 0;

    73 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;

    75 void Abstract_VM_Version::initialize() {

    76   if (_initialized) {

    77     return;

    78   }

    79   char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION);

    81   // Expecting the next vm_version format:

    82   // <major_ver>.<minor_ver>-b<nn>[-<identifier>]

    83   char* vm_major_ver = vm_version;

    84   assert(isdigit(vm_major_ver[0]),"wrong vm major version number");

    85   char* vm_minor_ver = strchr(vm_major_ver, '.');

    86   assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number");

    87   vm_minor_ver[0] = '\0'; // terminate vm_major_ver

    88   vm_minor_ver += 1;

    89   char* vm_build_num = strchr(vm_minor_ver, '-');

    90   assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number");

    91   vm_build_num[0] = '\0'; // terminate vm_minor_ver

    92   vm_build_num += 2;

    94   _vm_major_version = atoi(vm_major_ver);

    95   _vm_minor_version = atoi(vm_minor_ver);

    96   _vm_build_number  = atoi(vm_build_num);

    98   os::free(vm_version);

    99   _initialized = true;

   100 }

   102 #if defined(_LP64)

   103   #define VMLP "64-Bit "

   104 #else

   105   #define VMLP ""

   106 #endif

   108 #ifdef KERNEL

   109   #define VMTYPE "Kernel"

   110 #else // KERNEL

   111 #ifdef TIERED

   112   #define VMTYPE "Server"

   113 #else // TIERED

   114 #ifdef ZERO

   115 #ifdef SHARK

   116   #define VMTYPE "Shark"

   117 #else // SHARK

   118   #define VMTYPE "Zero"

   119 #endif // SHARK

   120 #else // ZERO

   121    #define VMTYPE COMPILER1_PRESENT("Client")   \

   122                   COMPILER2_PRESENT("Server")

   123 #endif // ZERO

   124 #endif // TIERED

   125 #endif // KERNEL

   127 #ifndef HOTSPOT_VM_DISTRO

   128   #error HOTSPOT_VM_DISTRO must be defined

   129 #endif

   130 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP VMTYPE " VM"

   132 const char* Abstract_VM_Version::vm_name() {

   133   return VMNAME;

   134 }

   137 const char* Abstract_VM_Version::vm_vendor() {

   138 #ifdef VENDOR

   139   return XSTR(VENDOR);

   140 #else

   141   return JDK_Version::is_gte_jdk17x_version() ?

   142     "Oracle Corporation" : "Sun Microsystems Inc.";

   143 #endif

   144 }

   147 const char* Abstract_VM_Version::vm_info_string() {

   148   switch (Arguments::mode()) {

   149     case Arguments::_int:

   150       return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode";

   151     case Arguments::_mixed:

   152       return UseSharedSpaces ? "mixed mode, sharing"       :  "mixed mode";

   153     case Arguments::_comp:

   154       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";

   155   };

   156   ShouldNotReachHere();

   157   return "";

   158 }

   160 // NOTE: do *not* use stringStream. this function is called by

   161 //       fatal error handler. if the crash is in native thread,

   162 //       stringStream cannot get resource allocated and will SEGV.

   163 const char* Abstract_VM_Version::vm_release() {

   164   return VM_RELEASE;

   165 }

   167 #define OS       LINUX_ONLY("linux")             \

   168                  WINDOWS_ONLY("windows")         \

   169                  SOLARIS_ONLY("solaris")

   171 #ifdef ZERO

   172 #define CPU      ZERO_LIBARCH

   173 #else

   174 #define CPU      IA32_ONLY("x86")                \

   175                  IA64_ONLY("ia64")               \

   176                  AMD64_ONLY("amd64")             \

   177                  ARM_ONLY("arm")                 \

   178                  PPC_ONLY("ppc")                 \

   179                  SPARC_ONLY("sparc")

   180 #endif // ZERO

   182 const char *Abstract_VM_Version::vm_platform_string() {

   183   return OS "-" CPU;

   184 }

   186 const char* Abstract_VM_Version::internal_vm_info_string() {

   187   #ifndef HOTSPOT_BUILD_USER

   188     #define HOTSPOT_BUILD_USER unknown

   189   #endif

   191   #ifndef HOTSPOT_BUILD_COMPILER

   192     #ifdef _MSC_VER

   193       #if   _MSC_VER == 1100

   194         #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0"

   195       #elif _MSC_VER == 1200

   196         #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0"

   197       #elif _MSC_VER == 1310

   198         #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)"

   199       #elif _MSC_VER == 1400

   200         #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)"

   201       #elif _MSC_VER == 1500

   202         #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)"

   203       #else

   204         #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER)

   205       #endif

   206     #elif defined(__SUNPRO_CC)

   207       #if   __SUNPRO_CC == 0x420

   208         #define HOTSPOT_BUILD_COMPILER "Workshop 4.2"

   209       #elif __SUNPRO_CC == 0x500

   210         #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT)

   211       #elif __SUNPRO_CC == 0x520

   212         #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT)

   213       #elif __SUNPRO_CC == 0x580

   214         #define HOTSPOT_BUILD_COMPILER "Workshop 5.8"

   215       #elif __SUNPRO_CC == 0x590

   216         #define HOTSPOT_BUILD_COMPILER "Workshop 5.9"

   217       #elif __SUNPRO_CC == 0x5100

   218         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1"

   219       #else

   220         #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC)

   221       #endif

   222     #elif defined(__GNUC__)

   223         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__

   224     #else

   225       #define HOTSPOT_BUILD_COMPILER "unknown compiler"

   226     #endif

   227   #endif

   229   #ifndef FLOAT_ARCH

   230     #if defined(__SOFTFP__)

   231       #define FLOAT_ARCH "-sflt"

   232     #elif defined(E500V2)

   233       #define FLOAT_ARCH "-e500v2"

   234     #elif defined(ARM)

   235       #define FLOAT_ARCH "-vfp"

   236     #elif defined(PPC)

   237       #define FLOAT_ARCH "-hflt"

   238     #else

   239       #define FLOAT_ARCH ""

   240     #endif

   241   #endif

   243   return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH

   244          " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__

   245          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER;

   246 }

   248 const char *Abstract_VM_Version::vm_build_user() {

   249   return HOTSPOT_BUILD_USER;

   250 }

   252 unsigned int Abstract_VM_Version::jvm_version() {

   253   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |

   254          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |

   255          (Abstract_VM_Version::vm_build_number() & 0xFF);

   256 }

   259 void VM_Version_init() {

   260   VM_Version::initialize();

   262 #ifndef PRODUCT

   263   if (PrintMiscellaneous && Verbose) {

   264     os::print_cpu_info(tty);

   265   }

   266 #endif

   267 }

   269 unsigned int Abstract_VM_Version::nof_parallel_worker_threads(

   270                                                       unsigned int num,

   271                                                       unsigned int den,

   272                                                       unsigned int switch_pt) {

   273   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {

   274     assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");

   275     // For very large machines, there are diminishing returns

   276     // for large numbers of worker threads.  Instead of

   277     // hogging the whole system, use a fraction of the workers for every

   278     // processor after the first 8.  For example, on a 72 cpu machine

   279     // and a chosen fraction of 5/8

   280     // use 8 + (72 - 8) * (5/8) == 48 worker threads.

   281     unsigned int ncpus = (unsigned int) os::active_processor_count();

   282     return (ncpus <= switch_pt) ?

   283            ncpus :

   284           (switch_pt + ((ncpus - switch_pt) * num) / den);

   285   } else {

   286     return ParallelGCThreads;

   287   }

   288 }

   290 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() {

   291   return nof_parallel_worker_threads(5, 8, 8);

   292 }

   295 // Does not set the _initialized flag since it is

   296 // a global flag.

   297 unsigned int Abstract_VM_Version::parallel_worker_threads() {

   298   if (!_parallel_worker_threads_initialized) {

   299     if (FLAG_IS_DEFAULT(ParallelGCThreads)) {

   300       _parallel_worker_threads = VM_Version::calc_parallel_worker_threads();

   301     } else {

   302       _parallel_worker_threads = ParallelGCThreads;

   303     }

   304     _parallel_worker_threads_initialized = true;

   305   }

   306   return _parallel_worker_threads;

   307 }

src/share/vm/runtime/vm_version.cpp@24cee90e9453

src/share/vm/runtime/vm_version.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/runtime/vm_version.cpp@24cee90e9453

src/share/vm/runtime/vm_version.cpp