OpenJDK / portola / portola
changeset 50516:6dfe5ae92fa8
8204598: add more thread-related system settings info to hs_error file on Linux
Reviewed-by: dholmes, stuefe
| author | mbaesken |
|---|---|
| date | Fri, 08 Jun 2018 14:14:44 +0200 |
| parents | f07979db6cb2 |
| children | 50469fb301c4 |
| files | src/hotspot/os/linux/os_linux.cpp src/hotspot/os/linux/os_linux.hpp |
| diffstat | 2 files changed, 21 insertions(+), 0 deletions(-) [+] |
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--- a/src/hotspot/os/linux/os_linux.cpp Mon Jun 11 14:16:43 2018 +0200 +++ b/src/hotspot/os/linux/os_linux.cpp Fri Jun 08 14:14:44 2018 +0200 @@ -1988,6 +1988,8 @@ os::Linux::print_full_memory_info(st); + os::Linux::print_proc_sys_info(st); + os::Linux::print_container_info(st); } @@ -2120,6 +2122,24 @@ st->cr(); } +void os::Linux::print_proc_sys_info(outputStream* st) { + st->cr(); + st->print_cr("/proc/sys/kernel/threads-max (system-wide limit on the number of threads):"); + _print_ascii_file("/proc/sys/kernel/threads-max", st); + st->cr(); + st->cr(); + + st->print_cr("/proc/sys/vm/max_map_count (maximum number of memory map areas a process may have):"); + _print_ascii_file("/proc/sys/vm/max_map_count", st); + st->cr(); + st->cr(); + + st->print_cr("/proc/sys/kernel/pid_max (system-wide limit on number of process identifiers):"); + _print_ascii_file("/proc/sys/kernel/pid_max", st); + st->cr(); + st->cr(); +} + void os::Linux::print_full_memory_info(outputStream* st) { st->print("\n/proc/meminfo:\n"); _print_ascii_file("/proc/meminfo", st);
--- a/src/hotspot/os/linux/os_linux.hpp Mon Jun 11 14:16:43 2018 +0200 +++ b/src/hotspot/os/linux/os_linux.hpp Fri Jun 08 14:14:44 2018 +0200 @@ -113,6 +113,7 @@ static void print_container_info(outputStream* st); static void print_distro_info(outputStream* st); static void print_libversion_info(outputStream* st); + static void print_proc_sys_info(outputStream* st); public: static bool _stack_is_executable;