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From: Ravikiran G Thirumalai <kiran@in.ibm.com>
To: Niels Christiansen <nchr@us.ibm.com>, arjanv@redhat.com
Cc: lse-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [Lse-tech] [RFC] [PATCH] Scalable Statistics Counters
Date: Fri, 7 Dec 2001 17:09:36 +0530	[thread overview]
Message-ID: <20011207170936.I20583@in.ibm.com> (raw)
In-Reply-To: <OF5920A1C3.B32C93AF-ON85256B1A.005706AC@raleigh.ibm.com>
In-Reply-To: <OF5920A1C3.B32C93AF-ON85256B1A.005706AC@raleigh.ibm.com>; from nchr@us.ibm.com on Thu, Dec 06, 2001 at 10:10:47AM -0600

Hi Niels, Arjan

On Thu, Dec 06, 2001 at 10:10:47AM -0600, Niels Christiansen wrote:
> 
> > Well, I wrote a simple kernel module which just increments a shared
> global
> > counter a million times per processor in parallel, and compared it with
> > the statctr which would be incremented a million times per processor in
> > parallel..
> 
> I suspected that.  Would it be possible to do the test on the real
> counters?

Yep, I am gonna run a benchmark after changing some stat counters in the
Kernel.  That should let us know if there are performance gains or otherwise..

Kiran
-- 
Ravikiran G Thirumalai <kiran@in.ibm.com>
Linux Technology Center, IBM Software Labs,
Bangalore.

  parent reply	other threads:[~2001-12-07 11:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-06 16:10 [Lse-tech] [RFC] [PATCH] Scalable Statistics Counters Niels Christiansen
2001-12-07  8:54 ` Dipankar Sarma
2001-12-08 22:24   ` Paul Jackson
2001-12-09  3:46     ` Jack Steiner
2001-12-09  4:44       ` Paul Jackson
2001-12-09 17:34         ` Jack Steiner
2001-12-11 23:27           ` Paul Jackson
2001-12-07 11:39 ` Ravikiran G Thirumalai [this message]
2001-12-08 13:46 ` Anton Blanchard
  -- strict thread matches above, loose matches on Subject: below --
2001-12-09 10:57 Manfred Spraul
2001-12-10 16:32 ` Jack Steiner
2001-12-10 17:00   ` Manfred Spraul
2001-12-08 17:43 Niels Christiansen
2001-12-09 11:46 ` Anton Blanchard
2001-12-07  9:52 Niels Christiansen
2001-12-07 10:10 ` Dipankar Sarma
2001-12-05 15:02 Niels Christiansen
2001-12-06 12:33 ` Ravikiran G Thirumalai
2001-12-06 13:07   ` Arjan van de Ven
2001-12-06 14:09     ` Ravikiran G Thirumalai
2001-12-06 14:10       ` Arjan van de Ven
2001-12-06 19:35         ` Dipankar Sarma
2001-12-07 21:09     ` Alex Bligh - linux-kernel
2001-12-07 21:16       ` Arjan van de Ven

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