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6840196: NUMA allocator: crash in fastdebug during startup on Linux

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With libnuma >1.2 explicity use 1.1 symbols

Reviewed-by: ysr
This commit is contained in:
Igor Veresov 2009-05-12 15:55:56 -07:00
parent dacaa6b65d
commit 702a13b785
2 changed files with 20 additions and 7 deletions
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25
hotspot/src/os/linux/vm/os_linux.cpp
View File

@ -2362,6 +2362,19 @@ char *os::scan_pages(char *start, char* end, page_info* page_expected, page_info
extern "C" void numa_warn(int number, char *where, ...) { }
extern "C" void numa_error(char *where) { }
// If we are running with libnuma version > 2, then we should
// be trying to use symbols with versions 1.1
// If we are running with earlier version, which did not have symbol versions,
// we should use the base version.
void* os::Linux::libnuma_dlsym(void* handle, const char *name) {
void *f = dlvsym(handle, name, "libnuma_1.1");
if (f == NULL) {
f = dlsym(handle, name);
}
return f;
}
bool os::Linux::libnuma_init() {
// sched_getcpu() should be in libc.
set_sched_getcpu(CAST_TO_FN_PTR(sched_getcpu_func_t,
@ -2371,19 +2384,19 @@ bool os::Linux::libnuma_init() {
void *handle = dlopen("libnuma.so.1", RTLD_LAZY);
if (handle != NULL) {
set_numa_node_to_cpus(CAST_TO_FN_PTR(numa_node_to_cpus_func_t,
dlsym(handle, "numa_node_to_cpus")));
libnuma_dlsym(handle, "numa_node_to_cpus")));
set_numa_max_node(CAST_TO_FN_PTR(numa_max_node_func_t,
dlsym(handle, "numa_max_node")));
libnuma_dlsym(handle, "numa_max_node")));
set_numa_available(CAST_TO_FN_PTR(numa_available_func_t,
dlsym(handle, "numa_available")));
libnuma_dlsym(handle, "numa_available")));
set_numa_tonode_memory(CAST_TO_FN_PTR(numa_tonode_memory_func_t,
dlsym(handle, "numa_tonode_memory")));
libnuma_dlsym(handle, "numa_tonode_memory")));
set_numa_interleave_memory(CAST_TO_FN_PTR(numa_interleave_memory_func_t,
dlsym(handle, "numa_interleave_memory")));
libnuma_dlsym(handle, "numa_interleave_memory")));
if (numa_available() != -1) {
set_numa_all_nodes((unsigned long*)dlsym(handle, "numa_all_nodes"));
set_numa_all_nodes((unsigned long*)libnuma_dlsym(handle, "numa_all_nodes"));
// Create a cpu -> node mapping
_cpu_to_node = new (ResourceObj::C_HEAP) GrowableArray<int>(0, true);
rebuild_cpu_to_node_map();

2
hotspot/src/os/linux/vm/os_linux.hpp
View File

@ -147,7 +147,7 @@ class Linux {
static void libpthread_init();
static bool libnuma_init();
static void* libnuma_dlsym(void* handle, const char* name);
// Minimum stack size a thread can be created with (allowing
// the VM to completely create the thread and enter user code)
static size_t min_stack_allowed;