Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/linux/vm/os_linux.cpp
src/os/linux/vm/os_linux.cpp
- changeset 8878
- d3cc20285653
- parent 8776
- 4a575a49e938
- child 9013
- 18366fa39fe0
- child 9289
- 427b2fb1944f
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| 8877:f04097176542 | 8878:d3cc20285653 |
|---|---|
| 2817 // Something to do with the numa-aware allocator needs these symbols | 2817 // Something to do with the numa-aware allocator needs these symbols |
| 2818 extern "C" JNIEXPORT void numa_warn(int number, char *where, ...) { } | 2818 extern "C" JNIEXPORT void numa_warn(int number, char *where, ...) { } |
| 2819 extern "C" JNIEXPORT void numa_error(char *where) { } | 2819 extern "C" JNIEXPORT void numa_error(char *where) { } |
| 2820 extern "C" JNIEXPORT int fork1() { return fork(); } | 2820 extern "C" JNIEXPORT int fork1() { return fork(); } |
| 2821 | 2821 |
| 2822 | 2822 // Handle request to load libnuma symbol version 1.1 (API v1). If it fails |
| 2823 // If we are running with libnuma version > 2, then we should | 2823 // load symbol from base version instead. |
| 2824 // be trying to use symbols with versions 1.1 | |
| 2825 // If we are running with earlier version, which did not have symbol versions, | |
| 2826 // we should use the base version. | |
| 2827 void* os::Linux::libnuma_dlsym(void* handle, const char *name) { | 2824 void* os::Linux::libnuma_dlsym(void* handle, const char *name) { |
| 2828 void *f = dlvsym(handle, name, "libnuma_1.1"); | 2825 void *f = dlvsym(handle, name, "libnuma_1.1"); |
| 2829 if (f == NULL) { | 2826 if (f == NULL) { |
| 2830 f = dlsym(handle, name); | 2827 f = dlsym(handle, name); |
| 2831 } | 2828 } |
| 2832 return f; | 2829 return f; |
| 2830 } | |
| 2831 | |
| 2832 // Handle request to load libnuma symbol version 1.2 (API v2) only. | |
| 2833 // Return NULL if the symbol is not defined in this particular version. | |
| 2834 void* os::Linux::libnuma_v2_dlsym(void* handle, const char* name) { | |
| 2835 return dlvsym(handle, name, "libnuma_1.2"); | |
| 2833 } | 2836 } |
| 2834 | 2837 |
| 2835 bool os::Linux::libnuma_init() { | 2838 bool os::Linux::libnuma_init() { |
| 2836 // sched_getcpu() should be in libc. | 2839 // sched_getcpu() should be in libc. |
| 2837 set_sched_getcpu(CAST_TO_FN_PTR(sched_getcpu_func_t, | 2840 set_sched_getcpu(CAST_TO_FN_PTR(sched_getcpu_func_t, |
| 2854 libnuma_dlsym(handle, "numa_available"))); | 2857 libnuma_dlsym(handle, "numa_available"))); |
| 2855 set_numa_tonode_memory(CAST_TO_FN_PTR(numa_tonode_memory_func_t, | 2858 set_numa_tonode_memory(CAST_TO_FN_PTR(numa_tonode_memory_func_t, |
| 2856 libnuma_dlsym(handle, "numa_tonode_memory"))); | 2859 libnuma_dlsym(handle, "numa_tonode_memory"))); |
| 2857 set_numa_interleave_memory(CAST_TO_FN_PTR(numa_interleave_memory_func_t, | 2860 set_numa_interleave_memory(CAST_TO_FN_PTR(numa_interleave_memory_func_t, |
| 2858 libnuma_dlsym(handle, "numa_interleave_memory"))); | 2861 libnuma_dlsym(handle, "numa_interleave_memory"))); |
| 2862 set_numa_interleave_memory_v2(CAST_TO_FN_PTR(numa_interleave_memory_v2_func_t, | |
| 2863 libnuma_v2_dlsym(handle, "numa_interleave_memory"))); | |
| 2859 set_numa_set_bind_policy(CAST_TO_FN_PTR(numa_set_bind_policy_func_t, | 2864 set_numa_set_bind_policy(CAST_TO_FN_PTR(numa_set_bind_policy_func_t, |
| 2860 libnuma_dlsym(handle, "numa_set_bind_policy"))); | 2865 libnuma_dlsym(handle, "numa_set_bind_policy"))); |
| 2861 set_numa_bitmask_isbitset(CAST_TO_FN_PTR(numa_bitmask_isbitset_func_t, | 2866 set_numa_bitmask_isbitset(CAST_TO_FN_PTR(numa_bitmask_isbitset_func_t, |
| 2862 libnuma_dlsym(handle, "numa_bitmask_isbitset"))); | 2867 libnuma_dlsym(handle, "numa_bitmask_isbitset"))); |
| 2863 set_numa_distance(CAST_TO_FN_PTR(numa_distance_func_t, | 2868 set_numa_distance(CAST_TO_FN_PTR(numa_distance_func_t, |
| 2973 os::Linux::numa_max_node_func_t os::Linux::_numa_max_node; | 2978 os::Linux::numa_max_node_func_t os::Linux::_numa_max_node; |
| 2974 os::Linux::numa_num_configured_nodes_func_t os::Linux::_numa_num_configured_nodes; | 2979 os::Linux::numa_num_configured_nodes_func_t os::Linux::_numa_num_configured_nodes; |
| 2975 os::Linux::numa_available_func_t os::Linux::_numa_available; | 2980 os::Linux::numa_available_func_t os::Linux::_numa_available; |
| 2976 os::Linux::numa_tonode_memory_func_t os::Linux::_numa_tonode_memory; | 2981 os::Linux::numa_tonode_memory_func_t os::Linux::_numa_tonode_memory; |
| 2977 os::Linux::numa_interleave_memory_func_t os::Linux::_numa_interleave_memory; | 2982 os::Linux::numa_interleave_memory_func_t os::Linux::_numa_interleave_memory; |
| 2983 os::Linux::numa_interleave_memory_v2_func_t os::Linux::_numa_interleave_memory_v2; | |
| 2978 os::Linux::numa_set_bind_policy_func_t os::Linux::_numa_set_bind_policy; | 2984 os::Linux::numa_set_bind_policy_func_t os::Linux::_numa_set_bind_policy; |
| 2979 os::Linux::numa_bitmask_isbitset_func_t os::Linux::_numa_bitmask_isbitset; | 2985 os::Linux::numa_bitmask_isbitset_func_t os::Linux::_numa_bitmask_isbitset; |
| 2980 os::Linux::numa_distance_func_t os::Linux::_numa_distance; | 2986 os::Linux::numa_distance_func_t os::Linux::_numa_distance; |
| 2981 unsigned long* os::Linux::_numa_all_nodes; | 2987 unsigned long* os::Linux::_numa_all_nodes; |
| 2982 struct bitmask* os::Linux::_numa_all_nodes_ptr; | 2988 struct bitmask* os::Linux::_numa_all_nodes_ptr; |
