From: David Rientjes <rientjes@google.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Turner <pjt@google.com>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Johannes Weiner <hannes@cmpxchg.org>,
Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 00/27] Latest numa/core release, v16
Date: Mon, 19 Nov 2012 17:05:12 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1211191703270.24618@chino.kir.corp.google.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1211191644340.24618@chino.kir.corp.google.com>
On Mon, 19 Nov 2012, David Rientjes wrote:
> I confirm that SPECjbb2005 1.07 -Xmx4g regresses in terms of throughput on
> my 16-way, 4 node system with 32GB of memory using 16 warehouses and 240
> measurement seconds. I averaged the throughput for five runs on each
> kernel.
>
> Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 10.0-b22, mixed mode)
>
> Both kernels have
> CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
> CONFIG_TRANSPARENT_HUGEPAGE=y
> CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
>
> numa/core at 01aa90068b12 ("sched: Use the best-buddy 'ideal cpu' in
> balancing decisions") with
>
> CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
> CONFIG_ARCH_WANTS_NUMA_GENERIC_PGPROT=y
> CONFIG_NUMA_BALANCING=y
> CONFIG_NUMA_BALANCING_HUGEPAGE=y
> CONFIG_ARCH_USES_NUMA_GENERIC_PGPROT=y
> CONFIG_ARCH_USES_NUMA_GENERIC_PGPROT_HUGEPAGE=y
>
> had a throughput of 128315.19 SPECjbb2005 bops.
>
> numa/core at ec05a2311c35 ("Merge branch 'sched/urgent' into sched/core")
> had an average throughput of 136918.34 SPECjbb2005 bops, which is a 6.3%
> regression.
>
perftop during the run on numa/core at 01aa90068b12 ("sched: Use the
best-buddy 'ideal cpu' in balancing decisions"):
15.99% [kernel] [k] page_fault
4.05% [kernel] [k] getnstimeofday
3.96% [kernel] [k] _raw_spin_lock
3.20% [kernel] [k] rcu_check_callbacks
2.93% [kernel] [k] generic_smp_call_function_interrupt
2.90% [kernel] [k] __do_page_fault
2.82% [kernel] [k] ktime_get
2.62% [kernel] [k] read_tsc
2.41% [kernel] [k] handle_mm_fault
2.01% [kernel] [k] flush_tlb_func
1.99% [kernel] [k] retint_swapgs
1.83% [kernel] [k] emulate_vsyscall
1.71% [kernel] [k] handle_pte_fault
1.63% [kernel] [k] task_tick_fair
1.57% [kernel] [k] clear_page_c
1.55% [kernel] [k] down_read_trylock
1.54% [kernel] [k] copy_user_generic_string
1.48% [kernel] [k] ktime_get_update_offsets
1.37% [kernel] [k] find_vma
1.23% [kernel] [k] mpol_misplaced
1.14% [kernel] [k] task_numa_fault
1.10% [kernel] [k] run_timer_softirq
1.06% [kernel] [k] up_read
0.87% [kernel] [k] __bad_area_nosemaphore
0.82% [kernel] [k] write_ok_or_segv
0.77% [kernel] [k] update_cfs_shares
0.76% [kernel] [k] update_curr
0.75% [kernel] [k] error_sti
0.75% [kernel] [k] get_vma_policy
0.73% [kernel] [k] smp_call_function_many
0.66% [kernel] [k] do_wp_page
0.60% [kernel] [k] error_entry
0.60% [kernel] [k] call_function_interrupt
0.59% [kernel] [k] error_exit
0.58% [kernel] [k] _raw_spin_lock_irqsave
0.58% [kernel] [k] tick_sched_timer
0.57% [kernel] [k] __do_softirq
0.57% [kernel] [k] mem_cgroup_count_vm_event
0.56% [kernel] [k] account_user_time
0.56% [kernel] [k] spurious_fault
0.54% [kernel] [k] acct_update_integrals
0.54% [kernel] [k] bad_area_nosemaphore
[ Both kernels for this test were booted with cgroup_disable=memory on
the command line, why mem_cgroup_count_vm_event shows up at all here is
strange... ]
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next prev parent reply other threads:[~2012-11-20 1:05 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-19 2:14 Ingo Molnar
2012-11-19 2:14 ` [PATCH 01/27] mm/generic: Only flush the local TLB in ptep_set_access_flags() Ingo Molnar
2012-11-19 2:14 ` [PATCH 02/27] x86/mm: Only do a local tlb flush " Ingo Molnar
2012-11-19 2:14 ` [PATCH 03/27] x86/mm: Introduce pte_accessible() Ingo Molnar
2012-11-19 2:14 ` [PATCH 04/27] mm: Only flush the TLB when clearing an accessible pte Ingo Molnar
2012-11-19 2:14 ` [PATCH 05/27] x86/mm: Completely drop the TLB flush from ptep_set_access_flags() Ingo Molnar
2012-11-19 2:14 ` [PATCH 06/27] mm: Count the number of pages affected in change_protection() Ingo Molnar
2012-11-19 2:14 ` [PATCH 07/27] mm: Optimize the TLB flush of sys_mprotect() and change_protection() users Ingo Molnar
2012-11-19 2:14 ` [PATCH 08/27] sched, numa, mm: Add last_cpu to page flags Ingo Molnar
2012-11-19 2:14 ` [PATCH 09/27] sched, mm, numa: Create generic NUMA fault infrastructure, with architectures overrides Ingo Molnar
2012-11-19 2:14 ` [PATCH 10/27] sched: Make find_busiest_queue() a method Ingo Molnar
2012-11-19 2:14 ` [PATCH 11/27] sched, numa, mm: Describe the NUMA scheduling problem formally Ingo Molnar
2012-11-19 2:14 ` [PATCH 12/27] numa, mm: Support NUMA hinting page faults from gup/gup_fast Ingo Molnar
2012-11-19 2:14 ` [PATCH 13/27] mm/migrate: Introduce migrate_misplaced_page() Ingo Molnar
2012-11-19 2:14 ` [PATCH 14/27] sched, numa, mm, arch: Add variable locality exception Ingo Molnar
2012-11-19 2:14 ` [PATCH 15/27] sched, numa, mm: Add credits for NUMA placement Ingo Molnar
2012-11-19 2:14 ` [PATCH 16/27] sched, mm, x86: Add the ARCH_SUPPORTS_NUMA_BALANCING flag Ingo Molnar
2012-11-19 2:14 ` [PATCH 17/27] sched, numa, mm: Add the scanning page fault machinery Ingo Molnar
2012-11-19 2:14 ` [PATCH 18/27] sched: Add adaptive NUMA affinity support Ingo Molnar
2012-11-19 2:14 ` [PATCH 19/27] sched: Implement constant, per task Working Set Sampling (WSS) rate Ingo Molnar
2012-11-19 2:14 ` [PATCH 20/27] sched, numa, mm: Count WS scanning against present PTEs, not virtual memory ranges Ingo Molnar
2012-11-19 2:14 ` [PATCH 21/27] sched: Implement slow start for working set sampling Ingo Molnar
2012-11-19 2:14 ` [PATCH 22/27] sched, numa, mm: Interleave shared tasks Ingo Molnar
2012-11-19 2:14 ` [PATCH 23/27] sched: Implement NUMA scanning backoff Ingo Molnar
2012-11-19 2:14 ` [PATCH 24/27] sched: Improve convergence Ingo Molnar
2012-11-19 2:14 ` [PATCH 25/27] sched: Introduce staged average NUMA faults Ingo Molnar
2012-11-19 2:14 ` [PATCH 26/27] sched: Track groups of shared tasks Ingo Molnar
2012-11-19 2:14 ` [PATCH 27/27] sched: Use the best-buddy 'ideal cpu' in balancing decisions Ingo Molnar
2012-11-19 16:29 ` [PATCH 00/27] Latest numa/core release, v16 Mel Gorman
2012-11-19 19:13 ` Ingo Molnar
2012-11-19 21:18 ` Mel Gorman
2012-11-19 22:36 ` Ingo Molnar
2012-11-19 23:00 ` Mel Gorman
2012-11-20 0:41 ` Rik van Riel
2012-11-21 10:58 ` Mel Gorman
2012-11-20 1:02 ` Linus Torvalds
2012-11-20 7:17 ` Ingo Molnar
2012-11-20 7:37 ` David Rientjes
2012-11-20 7:48 ` Ingo Molnar
2012-11-20 8:01 ` Ingo Molnar
2012-11-20 8:11 ` David Rientjes
2012-11-21 11:14 ` Mel Gorman
2012-11-20 10:20 ` Mel Gorman
2012-11-20 10:47 ` Mel Gorman
2012-11-20 15:29 ` [PATCH] mm, numa: Turn 4K pte NUMA faults into effective hugepage ones Ingo Molnar
2012-11-20 16:09 ` [PATCH, v2] " Ingo Molnar
2012-11-20 16:31 ` Rik van Riel
2012-11-20 16:52 ` Ingo Molnar
2012-11-21 12:08 ` Mel Gorman
2012-11-21 8:12 ` Ingo Molnar
2012-11-21 2:41 ` David Rientjes
2012-11-21 9:34 ` Ingo Molnar
2012-11-21 11:40 ` Mel Gorman
2012-11-23 1:26 ` Alex Shi
2012-11-20 17:56 ` numa/core regressions fixed - more testers wanted Ingo Molnar
2012-11-21 1:54 ` Andrew Theurer
2012-11-21 3:22 ` Rik van Riel
2012-11-21 4:10 ` Hugh Dickins
2012-11-21 17:59 ` Andrew Theurer
2012-11-21 11:52 ` Mel Gorman
2012-11-21 22:15 ` Andrew Theurer
2012-11-21 3:33 ` David Rientjes
2012-11-21 9:38 ` Ingo Molnar
2012-11-21 11:06 ` Ingo Molnar
2012-11-21 8:39 ` Alex Shi
2012-11-22 1:21 ` Ingo Molnar
2012-11-23 13:31 ` Ingo Molnar
2012-11-23 15:23 ` Alex Shi
2012-11-26 2:11 ` Alex Shi
2012-11-28 14:21 ` Alex Shi
2012-11-20 10:40 ` [PATCH 00/27] Latest numa/core release, v16 Ingo Molnar
2012-11-20 11:40 ` Mel Gorman
2012-11-21 10:38 ` Mel Gorman
2012-11-21 19:37 ` Andrea Arcangeli
2012-11-21 19:56 ` Mel Gorman
2012-11-19 20:07 ` Ingo Molnar
2012-11-19 21:37 ` Mel Gorman
2012-11-20 0:50 ` David Rientjes
2012-11-20 1:05 ` David Rientjes [this message]
2012-11-20 6:00 ` Ingo Molnar
2012-11-20 6:20 ` David Rientjes
2012-11-20 7:44 ` Ingo Molnar
2012-11-20 7:48 ` Paul Turner
2012-11-20 8:20 ` David Rientjes
2012-11-20 9:06 ` Ingo Molnar
2012-11-20 9:41 ` [patch] x86/vsyscall: Add Kconfig option to use native vsyscalls, switch to it Ingo Molnar
2012-11-20 23:01 ` Andy Lutomirski
2012-11-21 0:43 ` David Rientjes
2012-11-20 12:02 ` [PATCH] x86/mm: Don't flush the TLB on #WP pmd fixups Ingo Molnar
2012-11-20 12:31 ` Ingo Molnar
2012-11-21 11:47 ` Mel Gorman
2012-11-21 1:22 ` David Rientjes
2012-11-21 17:02 ` [PATCH 00/27] Latest numa/core release, v16 Linus Torvalds
2012-11-21 17:10 ` Ingo Molnar
2012-11-21 17:20 ` Ingo Molnar
2012-11-22 4:31 ` David Rientjes
2012-11-21 17:40 ` Ingo Molnar
2012-11-21 22:04 ` Linus Torvalds
2012-11-21 22:46 ` Ingo Molnar
2012-11-21 17:45 ` Rik van Riel
2012-11-21 18:04 ` Ingo Molnar
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