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8146115: Improve docker container detection and resource configuration usage

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Reviewed-by: dholmes, kbarrett, phh
This commit is contained in:
Bob Vandette 2017-11-15 10:34:17 -05:00
parent 2f84103a78
commit 20a8de0f70
15 changed files with 899 additions and 13 deletions
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5
src/hotspot/os/linux/os_linux.hpp
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@ -32,6 +32,7 @@ static bool zero_page_read_protected() { return true; }
class Linux {
friend class os;
friend class OSContainer;
friend class TestReserveMemorySpecial;
static bool libjsig_is_loaded; // libjsig that interposes sigaction(),
@ -75,6 +76,9 @@ class Linux {
static julong available_memory();
static julong physical_memory() { return _physical_memory; }
static void set_physical_memory(julong phys_mem) { _physical_memory = phys_mem; }
static int active_processor_count();
static void initialize_system_info();
static int commit_memory_impl(char* addr, size_t bytes, bool exec);
@ -106,6 +110,7 @@ class Linux {
static bool release_memory_special_huge_tlbfs(char* base, size_t bytes);
static void print_full_memory_info(outputStream* st);
static void print_container_info(outputStream* st);
static void print_distro_info(outputStream* st);
static void print_libversion_info(outputStream* st);