From b31454e36234091c3827c3b4d07f62345cb0cee4 Mon Sep 17 00:00:00 2001 From: Matthias Baesken Date: Fri, 15 Dec 2023 07:42:39 +0000 Subject: [PATCH] 8322098: os::Linux::print_system_memory_info enhance the THP output with /sys/kernel/mm/transparent_hugepage/hpage_pmd_size Reviewed-by: mdoerr, lucy --- src/hotspot/os/linux/os_linux.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/hotspot/os/linux/os_linux.cpp b/src/hotspot/os/linux/os_linux.cpp index 3fc025e5100..e94e366acc7 100644 --- a/src/hotspot/os/linux/os_linux.cpp +++ b/src/hotspot/os/linux/os_linux.cpp @@ -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)",