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

MBaesken · MBaesken · commit 77b15bb9f3d8 · 2024-02-13T08:52:20.000Z
8323331: fix typo hpage_pdm_size

Backport-of: 419e01685b36aeccc47f52594a2026ccb2dcebb3
diff --git a/src/hotspot/os/linux/os_linux.cpp b/src/hotspot/os/linux/os_linux.cpp
@@ -2206,6 +2206,8 @@ 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_pmd_size",
+                      "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size", st);
   _print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/defrag (defrag/compaction efforts parameter)",
                       "/sys/kernel/mm/transparent_hugepage/defrag", st);
 }

Original file line number	Diff line number	Diff line change
`@@ -2206,6 +2206,8 @@ void os::Linux::print_system_memory_info(outputStream* st) {`
`2206`	`2206`	`// https://www.kernel.org/doc/Documentation/vm/transhuge.txt`
`2207`	`2207`	`_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/enabled",`
`2208`	`2208`	`"/sys/kernel/mm/transparent_hugepage/enabled", st);`
	`2209`	`+ _print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/hpage_pmd_size",`
	`2210`	`+ "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size", st);`
`2209`	`2211`	`_print_ascii_file_h("/sys/kernel/mm/transparent_hugepage/defrag (defrag/compaction efforts parameter)",`
`2210`	`2212`	`"/sys/kernel/mm/transparent_hugepage/defrag", st);`
`2211`	`2213`	`}`