On Tue, 20 Nov 2012, Ingo Molnar wrote:
> > This happened to be an Opteron (but not 83xx series), 2.4Ghz.
>
> Ok - roughly which family/model from /proc/cpuinfo?
>
It's close enough, it's 23xx.
> > It's perf top -U, the benchmark itself was unchanged so I
> > didn't think it was interesting to gather the user symbols.
> > If that would be helpful, let me know!
>
> Yeah, regular perf top output would be very helpful to get a
> general sense of proportion. Thanks!
>
Ok, here it is:
91.24% perf-10971.map [.] 0x00007f116a6c6fb8
1.19% libjvm.so [.] instanceKlass::oop_push_contents(PSPromotionMa
1.04% libjvm.so [.] PSPromotionManager::drain_stacks_depth(bool)
0.79% libjvm.so [.] PSPromotionManager::copy_to_survivor_space(oop
0.60% libjvm.so [.] PSPromotionManager::claim_or_forward_internal_
0.58% [kernel] [k] page_fault
0.28% libc-2.3.6.so [.] __gettimeofday
0.26% libjvm.so [.] Copy::pd_disjoint_words(HeapWord*, HeapWord*,
unsigned
0.22% [kernel] [k] getnstimeofday
0.18% libjvm.so [.]
CardTableExtension::scavenge_contents_parallel(ObjectS
0.15% [kernel] [k] _raw_spin_lock
0.12% [kernel] [k] ktime_get_update_offsets
0.11% [kernel] [k] ktime_get
0.11% [kernel] [k] rcu_check_callbacks
0.10% [kernel] [k] generic_smp_call_function_interrupt
0.10% [kernel] [k] read_tsc
0.10% [kernel] [k] clear_page_c
0.10% [kernel] [k] __do_page_fault
0.08% [kernel] [k] handle_mm_fault
0.08% libjvm.so [.] os::javaTimeMillis()
0.08% [kernel] [k] emulate_vsyscall
0.08% [kernel] [k] flush_tlb_func
0.07% [kernel] [k] task_tick_fair
0.07% [kernel] [k] retint_swapgs
0.06% libjvm.so [.] oopDesc::size_given_klass(Klass*)
0.05% [kernel] [k] handle_pte_fault
0.05% perf [.] 0x0000000000033190
0.05% sanctuaryd [.] 0x00000000006f0ad3
0.05% [kernel] [k] copy_user_generic_string
0.05% libjvm.so [.]
objArrayKlass::oop_push_contents(PSPromotionManager*,
0.04% [kernel] [k] find_vma
0.04% [kernel] [k] mpol_misplaced
0.04% [kernel] [k] __bad_area_nosemaphore
0.04% [kernel] [k] get_vma_policy
0.04% [kernel] [k] task_numa_fault
0.04% [kernel] [k] error_sti
0.03% [kernel] [k] write_ok_or_segv
0.03% [kernel] [k] do_gettimeofday
0.03% [kernel] [k] down_read_trylock
0.03% [kernel] [k] update_cfs_shares
0.03% [kernel] [k] error_entry
0.03% [kernel] [k] run_timer_softirq
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