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comparison src/os/solaris/vm/os_solaris.cpp @ 144:e3729351c946

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6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator. Summary: Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory. Reviewed-by: apetrusenko, jcoomes, ysr
author iveresov
date Fri, 09 May 2008 16:34:08 +0400
parents fcbfc50865ab
children d1605aabd0a1 9d6a3a6891f8 37f87013dfd8
comparison
equal deleted inserted replaced
143:b5489bb705c9 144:e3729351c946
120 #endif 120 #endif
121 #ifndef MADV_ACCESS_MANY 121 #ifndef MADV_ACCESS_MANY
122 # define MADV_ACCESS_MANY 8 /* many processes to access heavily */ 122 # define MADV_ACCESS_MANY 8 /* many processes to access heavily */
123 #endif 123 #endif
124 124
125 #ifndef LGRP_RSRC_CPU
126 # define LGRP_RSRC_CPU 0 /* CPU resources */
127 #endif
128 #ifndef LGRP_RSRC_MEM
129 # define LGRP_RSRC_MEM 1 /* memory resources */
130 #endif
131
125 // Some more macros from sys/mman.h that are not present in Solaris 8. 132 // Some more macros from sys/mman.h that are not present in Solaris 8.
126 133
127 #ifndef MAX_MEMINFO_CNT 134 #ifndef MAX_MEMINFO_CNT
128 /* 135 /*
129 * info_req request type definitions for meminfo 136 * info_req request type definitions for meminfo
2638 if (r == -1) { 2645 if (r == -1) {
2639 ids[0] = 0; 2646 ids[0] = 0;
2640 return 1; 2647 return 1;
2641 } 2648 }
2642 if (!r) { 2649 if (!r) {
2650 // That's a leaf node.
2643 assert (bottom <= cur, "Sanity check"); 2651 assert (bottom <= cur, "Sanity check");
2644 ids[bottom++] = ids[cur]; 2652 // Check if the node has memory
2653 if (Solaris::lgrp_resources(Solaris::lgrp_cookie(), ids[cur],
2654 NULL, 0, LGRP_RSRC_MEM) > 0) {
2655 ids[bottom++] = ids[cur];
2656 }
2645 } 2657 }
2646 top += r; 2658 top += r;
2647 cur++; 2659 cur++;
2648 } 2660 }
2649 return bottom; 2661 return bottom;
2662 return false; 2674 return false;
2663 } 2675 }
2664 2676
2665 // Get the group id of the current LWP. 2677 // Get the group id of the current LWP.
2666 int os::numa_get_group_id() { 2678 int os::numa_get_group_id() {
2667 int lgrp_id = os::Solaris::lgrp_home(P_LWPID, P_MYID); 2679 int lgrp_id = Solaris::lgrp_home(P_LWPID, P_MYID);
2668 if (lgrp_id == -1) { 2680 if (lgrp_id == -1) {
2669 return 0; 2681 return 0;
2670 } 2682 }
2671 return lgrp_id; 2683 const int size = os::numa_get_groups_num();
2684 int *ids = (int*)alloca(size * sizeof(int));
2685
2686 // Get the ids of all lgroups with memory; r is the count.
2687 int r = Solaris::lgrp_resources(Solaris::lgrp_cookie(), lgrp_id,
2688 (Solaris::lgrp_id_t*)ids, size, LGRP_RSRC_MEM);
2689 if (r <= 0) {
2690 return 0;
2691 }
2692 return ids[os::random() % r];
2672 } 2693 }
2673 2694
2674 // Request information about the page. 2695 // Request information about the page.
2675 bool os::get_page_info(char *start, page_info* info) { 2696 bool os::get_page_info(char *start, page_info* info) {
2676 const uint_t info_types[] = { MEMINFO_VLGRP, MEMINFO_VPAGESIZE }; 2697 const uint_t info_types[] = { MEMINFO_VLGRP, MEMINFO_VPAGESIZE };
4351 os::Solaris::lgrp_home_func_t os::Solaris::_lgrp_home; 4372 os::Solaris::lgrp_home_func_t os::Solaris::_lgrp_home;
4352 os::Solaris::lgrp_init_func_t os::Solaris::_lgrp_init; 4373 os::Solaris::lgrp_init_func_t os::Solaris::_lgrp_init;
4353 os::Solaris::lgrp_fini_func_t os::Solaris::_lgrp_fini; 4374 os::Solaris::lgrp_fini_func_t os::Solaris::_lgrp_fini;
4354 os::Solaris::lgrp_root_func_t os::Solaris::_lgrp_root; 4375 os::Solaris::lgrp_root_func_t os::Solaris::_lgrp_root;
4355 os::Solaris::lgrp_children_func_t os::Solaris::_lgrp_children; 4376 os::Solaris::lgrp_children_func_t os::Solaris::_lgrp_children;
4377 os::Solaris::lgrp_resources_func_t os::Solaris::_lgrp_resources;
4356 os::Solaris::lgrp_nlgrps_func_t os::Solaris::_lgrp_nlgrps; 4378 os::Solaris::lgrp_nlgrps_func_t os::Solaris::_lgrp_nlgrps;
4357 os::Solaris::lgrp_cookie_stale_func_t os::Solaris::_lgrp_cookie_stale; 4379 os::Solaris::lgrp_cookie_stale_func_t os::Solaris::_lgrp_cookie_stale;
4358 os::Solaris::lgrp_cookie_t os::Solaris::_lgrp_cookie = 0; 4380 os::Solaris::lgrp_cookie_t os::Solaris::_lgrp_cookie = 0;
4359 4381
4360 // (Static) wrapper for meminfo() call. 4382 // (Static) wrapper for meminfo() call.
4553 os::Solaris::set_lgrp_home(CAST_TO_FN_PTR(lgrp_home_func_t, dlsym(handle, "lgrp_home"))); 4575 os::Solaris::set_lgrp_home(CAST_TO_FN_PTR(lgrp_home_func_t, dlsym(handle, "lgrp_home")));
4554 os::Solaris::set_lgrp_init(CAST_TO_FN_PTR(lgrp_init_func_t, dlsym(handle, "lgrp_init"))); 4576 os::Solaris::set_lgrp_init(CAST_TO_FN_PTR(lgrp_init_func_t, dlsym(handle, "lgrp_init")));
4555 os::Solaris::set_lgrp_fini(CAST_TO_FN_PTR(lgrp_fini_func_t, dlsym(handle, "lgrp_fini"))); 4577 os::Solaris::set_lgrp_fini(CAST_TO_FN_PTR(lgrp_fini_func_t, dlsym(handle, "lgrp_fini")));
4556 os::Solaris::set_lgrp_root(CAST_TO_FN_PTR(lgrp_root_func_t, dlsym(handle, "lgrp_root"))); 4578 os::Solaris::set_lgrp_root(CAST_TO_FN_PTR(lgrp_root_func_t, dlsym(handle, "lgrp_root")));
4557 os::Solaris::set_lgrp_children(CAST_TO_FN_PTR(lgrp_children_func_t, dlsym(handle, "lgrp_children"))); 4579 os::Solaris::set_lgrp_children(CAST_TO_FN_PTR(lgrp_children_func_t, dlsym(handle, "lgrp_children")));
4580 os::Solaris::set_lgrp_resources(CAST_TO_FN_PTR(lgrp_resources_func_t, dlsym(handle, "lgrp_resources")));
4558 os::Solaris::set_lgrp_nlgrps(CAST_TO_FN_PTR(lgrp_nlgrps_func_t, dlsym(handle, "lgrp_nlgrps"))); 4581 os::Solaris::set_lgrp_nlgrps(CAST_TO_FN_PTR(lgrp_nlgrps_func_t, dlsym(handle, "lgrp_nlgrps")));
4559 os::Solaris::set_lgrp_cookie_stale(CAST_TO_FN_PTR(lgrp_cookie_stale_func_t, 4582 os::Solaris::set_lgrp_cookie_stale(CAST_TO_FN_PTR(lgrp_cookie_stale_func_t,
4560 dlsym(handle, "lgrp_cookie_stale"))); 4583 dlsym(handle, "lgrp_cookie_stale")));
4561 4584
4562 lgrp_cookie_t c = lgrp_init(LGRP_VIEW_CALLER); 4585 lgrp_cookie_t c = lgrp_init(LGRP_VIEW_CALLER);