Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/os.hpp
src/share/vm/runtime/os.hpp
- changeset 8661
- 27ae9bbef86a
- parent 7780
- 5788dbd1f2d6
- child 8856
- ac27a9c85bea
- child 9289
- 427b2fb1944f
- child 9413
- 5aa3d728164a
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| 8659:c70ebf41026a | 8661:27ae9bbef86a |
|---|---|
| 149 static void pd_free_memory(char *addr, size_t bytes, size_t alignment_hint); | 149 static void pd_free_memory(char *addr, size_t bytes, size_t alignment_hint); |
| 150 static void pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint); | 150 static void pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint); |
| 151 | 151 |
| 152 static size_t page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned); | 152 static size_t page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned); |
| 153 | 153 |
| 154 static void initialize_initial_active_processor_count(); | |
| 154 public: | 155 public: |
| 155 static void init(void); // Called before command line parsing | 156 static void init(void); // Called before command line parsing |
| 156 static void init_before_ergo(void); // Called after command line parsing | 157 static void init_before_ergo(void); // Called after command line parsing |
| 157 // before VM ergonomics processing. | 158 // before VM ergonomics processing. |
| 158 static jint init_2(void); // Called after command line parsing | 159 static jint init_2(void); // Called after command line parsing |
| 235 static void set_processor_count(int count) { _processor_count = count; } | 236 static void set_processor_count(int count) { _processor_count = count; } |
| 236 | 237 |
| 237 // Returns the number of CPUs this process is currently allowed to run on. | 238 // Returns the number of CPUs this process is currently allowed to run on. |
| 238 // Note that on some OSes this can change dynamically. | 239 // Note that on some OSes this can change dynamically. |
| 239 static int active_processor_count(); | 240 static int active_processor_count(); |
| 241 | |
| 242 // At startup the number of active CPUs this process is allowed to run on. | |
| 243 // This value does not change dynamically. May be different from active_processor_count(). | |
| 244 static int initial_active_processor_count() { | |
| 245 assert(_initial_active_processor_count > 0, "Initial active processor count not set yet."); | |
| 246 return _initial_active_processor_count; | |
| 247 } | |
| 240 | 248 |
| 241 // Bind processes to processors. | 249 // Bind processes to processors. |
| 242 // This is a two step procedure: | 250 // This is a two step procedure: |
| 243 // first you generate a distribution of processes to processors, | 251 // first you generate a distribution of processes to processors, |
| 244 // then you bind processes according to that distribution. | 252 // then you bind processes according to that distribution. |
| 973 }; | 981 }; |
| 974 #endif | 982 #endif |
| 975 | 983 |
| 976 | 984 |
| 977 protected: | 985 protected: |
| 978 static long _rand_seed; // seed for random number generator | 986 static long _rand_seed; // seed for random number generator |
| 979 static int _processor_count; // number of processors | 987 static int _processor_count; // number of processors |
| 988 static int _initial_active_processor_count; // number of active processors during initialization. | |
| 980 | 989 |
| 981 static char* format_boot_path(const char* format_string, | 990 static char* format_boot_path(const char* format_string, |
| 982 const char* home, | 991 const char* home, |
| 983 int home_len, | 992 int home_len, |
| 984 char fileSep, | 993 char fileSep, |
