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8322098: os::Linux::print_system_memory_info enhance the THP output with /sys/kernel/mm/transparent_hugepage/hpage_pmd_size

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Reviewed-by: mdoerr, lucy
This commit is contained in:
Matthias Baesken
2023-12-15 07:42:39 +00:00
parent 0be0775a76
commit b31454e362
1 changed files with 2 additions and 0 deletions
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2
src/hotspot/os/linux/os_linux.cpp
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@@ -2215,6 +2215,8 @@ void os::Linux::print_system_memory_info(outputStream* st) {
// https://www.kernel.org/doc/Documentation/vm/transhuge.txt
_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/enabled",
"/sys/kernel/mm/transparent_hugepage/enabled", st);
_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/hpage_pdm_size",
"/sys/kernel/mm/transparent_hugepage/hpage_pmd_size", st);
_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/shmem_enabled",
"/sys/kernel/mm/transparent_hugepage/shmem_enabled", st);
_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/defrag (defrag/compaction efforts parameter)",