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From: "Paul E. McKenney" <paulmck@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Will Deacon <will@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Josh Triplett <josh@joshtriplett.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	rcu@vger.kernel.org
Subject: Re: [PATCH 3/8] srcu: Use local_lock() for per-CPU struct srcu_data access
Date: Sun, 24 May 2020 20:27:17 -0700	[thread overview]
Message-ID: <20200525032717.GV2869@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <20200524190356.eqohmrmbilonm4u7@linutronix.de>

On Sun, May 24, 2020 at 09:03:56PM +0200, Sebastian Andrzej Siewior wrote:
> On 2020-05-23 17:08:32 [+0200], To Paul E. McKenney wrote:
> > On 2020-05-22 10:39:53 [-0700], Paul E. McKenney wrote:
> > > It looks good to me, but I have not yet tested it.  (Happy to let you
> > > take the first crack at rcutorture in any case, scenarios SRCU-P and
> > > SRCU-N.)
> > 
> > on it.
> 
> |tools/testing/selftests/rcutorture/bin/kvm.sh --cpus 32 --duration 240 --configs 8*SRCU-N
> |SRCU-N ------- 2127126 GPs (147.717/s) [srcu: g26566592 f0x0 ]
> |SRCU-N.2 ------- 2123520 GPs (147.467/s) [srcu: g26563696 f0x0 ]
> |SRCU-N.3 ------- 2122181 GPs (147.374/s) [srcu: g26549140 f0x0 ]
> |SRCU-N.4 ------- 2126099 GPs (147.646/s) [srcu: g26564232 f0x0 ]
> |SRCU-N.5 ------- 2127107 GPs (147.716/s) [srcu: g26590168 f0x0 ]
> |SRCU-N.6 ------- 2125489 GPs (147.603/s) [srcu: g26545616 f0x0 ]
> |SRCU-N.7 ------- 2128308 GPs (147.799/s) [srcu: g26591524 f0x0 ]
> |SRCU-N.8 ------- 2126432 GPs (147.669/s) [srcu: g26586816 f0x0 ]
> |
> |tools/testing/selftests/rcutorture/bin/kvm.sh --cpus 32 --duration 240 --configs 8*SRCU-P
> |SRCU-P ------- 565751 GPs (39.2883/s) [srcud: g5034676 f0x0 ]
> |SRCU-P.2 ------- 569508 GPs (39.5492/s) [srcud: g5062872 f0x0 ]
> |SRCU-P.3 ------- 574240 GPs (39.8778/s) [srcud: g5098488 f0x0 ]
> |SRCU-P.4 ------- 564376 GPs (39.1928/s) [srcud: g5031244 f0x0 ]
> |SRCU-P.5 ------- 563705 GPs (39.1462/s) [srcud: g5024720 f0x0 ]
> |SRCU-P.6 ------- 565043 GPs (39.2391/s) [srcud: g5030272 f0x0 ]
> |SRCU-P.7 ------- 567450 GPs (39.4062/s) [srcud: g5046392 f0x0 ]
> |SRCU-P.8 ------- 566496 GPs (39.34/s) [srcud: g5039396 f0x0 ]
> 
> Results at
>    https://breakpoint.cc/res.tar.xz

Looks good, thank you!

							Thanx, Paul

  reply	other threads:[~2020-05-25  3:27 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 20:19 [PATCH 0/8] Introduce local_lock() Sebastian Andrzej Siewior
2020-05-19 20:19 ` [PATCH 1/8] locking: " Sebastian Andrzej Siewior
2020-05-20 12:04   ` Peter Zijlstra
2020-05-22 11:05     ` Sebastian Andrzej Siewior
2020-05-22 13:01       ` Peter Zijlstra
2020-05-19 20:19 ` [PATCH 2/8] radix-tree: Use local_lock for protection Sebastian Andrzej Siewior
2020-05-19 20:45   ` Matthew Wilcox
2020-05-19 20:54     ` Steven Rostedt
2020-05-20  2:05       ` Matthew Wilcox
2020-05-20 10:13         ` Sebastian Andrzej Siewior
2020-05-20 10:21   ` Peter Zijlstra
2020-05-20 12:28     ` Thomas Gleixner
2020-05-19 20:19 ` [PATCH 3/8] srcu: Use local_lock() for per-CPU struct srcu_data access Sebastian Andrzej Siewior
2020-05-20 10:24   ` Peter Zijlstra
2020-05-20 12:06     ` Sebastian Andrzej Siewior
2020-05-20 13:27       ` Peter Zijlstra
2020-05-20 17:42       ` Joel Fernandes
2020-05-20 18:28         ` Sebastian Andrzej Siewior
2020-05-20 18:35           ` Peter Zijlstra
2020-05-20 18:44             ` Joel Fernandes
2020-05-20 18:50               ` Uladzislau Rezki
2020-05-20 18:59           ` Joel Fernandes
2020-05-20 18:43       ` Paul E. McKenney
2020-05-22 15:12         ` Sebastian Andrzej Siewior
2020-05-22 17:39           ` Paul E. McKenney
2020-05-23 15:08             ` Sebastian Andrzej Siewior
2020-05-23 16:59               ` Paul E. McKenney
2020-05-24 19:03               ` Sebastian Andrzej Siewior
2020-05-25  3:27                 ` Paul E. McKenney [this message]
2020-05-26 13:41                   ` [PATCH] srcu: Avoid local_irq_save() before acquiring spinlock_t Sebastian Andrzej Siewior
2020-05-26 16:16                     ` Paul E. McKenney
2020-05-26 16:31                       ` Sebastian Andrzej Siewior
2020-05-19 20:19 ` [PATCH 4/8] mm/swap: Use local_lock for protection Sebastian Andrzej Siewior
2020-05-19 23:58   ` Andrew Morton
2020-05-20  2:17     ` Matthew Wilcox
2020-05-20 10:53   ` Peter Zijlstra
2020-05-19 20:19 ` [PATCH 5/8] squashfs: make use of local lock in multi_cpu decompressor Sebastian Andrzej Siewior
2020-05-20 10:56   ` Peter Zijlstra
2020-05-19 20:19 ` [PATCH 6/8] connector/cn_proc: Protect send_msg() with a local lock Sebastian Andrzej Siewior
2020-05-20 11:03   ` Peter Zijlstra
2020-05-19 20:19 ` [PATCH 7/8] zram: Use local lock to protect per-CPU data Sebastian Andrzej Siewior
2020-05-20 11:07   ` Peter Zijlstra
2020-05-19 20:19 ` [PATCH 8/8] mm/zswap: " Sebastian Andrzej Siewior
2020-05-19 21:46   ` Song Bao Hua
2020-05-20 10:26     ` Sebastian Andrzej Siewior
2020-05-20 11:13       ` Song Bao Hua
2020-05-20 11:57         ` Sebastian Andrzej Siewior
2020-05-20 12:01           ` Song Bao Hua

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