70 lines
2.3 KiB
Diff
70 lines
2.3 KiB
Diff
From 16caa051cb7299312cdaf9d79eaef01d294474f6 Mon Sep 17 00:00:00 2001
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From: eapen <zhangyipeng7@huawei.com>
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Date: Thu, 15 Dec 2022 17:06:41 +0800
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Subject: [PATCH 21/33] I68TO2: 8204595: add more thread-related system settings info
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to hs_error file on Linux
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---
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hotspot/src/os/linux/vm/os_linux.cpp | 22 +++++++++++++++++++++-
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hotspot/src/os/linux/vm/os_linux.hpp | 1 +
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2 files changed, 22 insertions(+), 1 deletion(-)
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diff --git a/hotspot/src/os/linux/vm/os_linux.cpp b/hotspot/src/os/linux/vm/os_linux.cpp
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index abf2031..1ec68ab 100644
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--- a/hotspot/src/os/linux/vm/os_linux.cpp
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+++ b/hotspot/src/os/linux/vm/os_linux.cpp
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@@ -2249,6 +2249,8 @@ void os::print_os_info(outputStream* st) {
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os::Linux::print_process_memory_info(st);
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+ os::Linux::print_proc_sys_info(st);
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+
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os::Linux::print_container_info(st);
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}
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@@ -2390,6 +2392,24 @@ void os::Linux::print_process_memory_info(outputStream* st) {
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}
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+void os::Linux::print_proc_sys_info(outputStream* st) {
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+ st->cr();
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+ st->print_cr("/proc/sys/kernel/threads-max (system-wide limit on the number of threads):");
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+ _print_ascii_file("/proc/sys/kernel/threads-max", st);
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+ st->cr();
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+ st->cr();
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+
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+ st->print_cr("/proc/sys/vm/max_map_count (maximum number of memory map areas a process may have):");
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+ _print_ascii_file("/proc/sys/vm/max_map_count", st);
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+ st->cr();
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+ st->cr();
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+
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+ st->print_cr("/proc/sys/kernel/pid_max (system-wide limit on number of process identifiers):");
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+ _print_ascii_file("/proc/sys/kernel/pid_max", st);
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+ st->cr();
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+ st->cr();
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+}
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+
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void os::Linux::print_container_info(outputStream* st) {
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if (!OSContainer::is_containerized()) {
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return;
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@@ -6928,4 +6948,4 @@ bool os::trim_native_heap(os::size_change_t* rss_change) {
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#else
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return false; // musl
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#endif
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-}
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\ No newline at end of file
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+}
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diff --git a/hotspot/src/os/linux/vm/os_linux.hpp b/hotspot/src/os/linux/vm/os_linux.hpp
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index 6c27bcb..4ee2c9b 100644
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--- a/hotspot/src/os/linux/vm/os_linux.hpp
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+++ b/hotspot/src/os/linux/vm/os_linux.hpp
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@@ -125,6 +125,7 @@ class Linux {
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static void print_container_info(outputStream* st);
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static void print_distro_info(outputStream* st);
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static void print_libversion_info(outputStream* st);
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+ static void print_proc_sys_info(outputStream* st);
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public:
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static bool _stack_is_executable;
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--
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1.8.3.1
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