Hi Craig, Anyway, this OS is guess OS in vmware (vsphere). Thank for your response and help.
On Tue, Oct 3, 2017 at 8:49 PM, Craig Ringer <cr...@2ndquadrant.com> wrote: > > > Can you get stacks please? > > Use -g > # Events: 2K cpu-clock # # Overhead Command Shared Object Symbol # ........ ........ ................. ............................ # 86.96% postgres [kernel.kallsyms] [k] __mutex_lock_common.isra.5 | --- __mutex_lock_common.isra.5 read 2.85% postgres [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock | |--90.48%-- read | |--8.33%-- recv | --1.19%-- write 2.44% postgres [kernel.kallsyms] [k] mutex_unlock | --- mutex_unlock read 2.03% postgres [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore read 1.32% postgres postgres [.] ValidXLogRecord | --- ValidXLogRecord 1.25% postgres [kernel.kallsyms] [k] mutex_lock | --- mutex_lock read -- regards ujang jaenudin | DBA Consultant (Freelancer) http://ora62.wordpress.com http://id.linkedin.com/pub/ujang-jaenudin/12/64/bab