From: Gerrit Huizenga <gh@us.ibm.com>
To: Elladan <elladan@eskimo.com>
Cc: Andrea Arcangeli <andrea@suse.de>, Jeff Dike <jdike@karaya.com>,
Andi Kleen <ak@muc.de>, john stultz <johnstul@us.ibm.com>,
lkml <linux-kernel@vger.kernel.org>,
george anzinger <george@mvista.com>,
Stephen Hemminger <shemminger@osdl.org>,
Bill Davidsen <davidsen@tmr.com>
Subject: Re: [PATCH] linux-2.5.43_vsyscall_A0
Date: Wed, 23 Oct 2002 10:51:54 -0700 [thread overview]
Message-ID: <E184Pfe-0005OF-00@w-gerrit2> (raw)
In-Reply-To: Your message of Tue, 22 Oct 2002 22:12:08 PDT. <20021023051208.GA1350@eskimo.com>
In message <20021023051208.GA1350@eskimo.com>, > : Elladan writes:
> gettimeofday() call frequency *can* be very high, but let's test it...
Oracle and possibly DB2 call gettimeofday to timestamp each potential
roll back transaction. With a large machine, the number of calls to
gettimeofday() can be enormous, as well as one of the top few bottlenecks
for TPC-C style workloads (OLTP).
gerrit
next prev parent reply other threads:[~2002-10-23 17:47 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-18 22:57 [PATCH] linux-2.5.43_vsyscall_A0 john stultz
2002-10-18 22:58 ` [EXAMPLE CODE] linux-2.5.43_vsyscall_A0 john stultz
2002-10-19 3:52 ` [PATCH] linux-2.5.43_vsyscall_A0 Jeff Dike
2002-10-19 3:10 ` Andi Kleen
2002-10-19 4:49 ` Jeff Dike
2002-10-19 4:02 ` Andi Kleen
2002-10-19 4:16 ` Andrea Arcangeli
2002-10-20 2:59 ` Andi Kleen
2002-10-20 6:44 ` Elladan
2002-10-20 9:27 ` [discuss] " Andi Kleen
2002-10-20 10:58 ` Elladan
2002-10-20 11:20 ` Andi Kleen
2002-10-20 14:51 ` Andrea Arcangeli
2002-10-21 16:49 ` george anzinger
2002-10-20 13:19 ` Andreas Jaeger
2002-10-20 14:59 ` Andrea Arcangeli
2002-10-19 4:10 ` Andrea Arcangeli
2002-10-19 4:45 ` Andi Kleen
2002-10-19 5:01 ` Andrea Arcangeli
2002-10-19 23:43 ` Jeff Dike
2002-10-20 0:15 ` Andrea Arcangeli
2002-10-20 2:03 ` Jeff Dike
2002-10-20 2:33 ` Andrea Arcangeli
2002-10-22 5:07 ` Jeff Dike
2002-10-22 4:15 ` Andi Kleen
2002-10-22 4:29 ` Andrew Morton
2002-10-22 9:39 ` Alan Cox
2002-10-22 16:12 ` Andrew Morton
2002-10-22 5:08 ` Andrea Arcangeli
2002-10-22 5:27 ` Andrea Arcangeli
2002-10-22 7:24 ` Elladan
2002-10-22 7:40 ` Andrea Arcangeli
2002-10-23 5:12 ` Elladan
2002-10-23 5:43 ` Elladan
2002-10-23 17:51 ` Gerrit Huizenga [this message]
2002-10-21 15:43 ` Stephen Hemminger
2002-10-21 16:26 ` Andi Kleen
2002-10-21 17:10 ` john stultz
2002-10-19 19:14 ` Bill Davidsen
2002-10-20 1:50 ` Rik van Riel
2002-10-20 2:56 ` Andi Kleen
2002-10-24 11:24 ` Pavel Machek
2002-10-24 11:24 ` Pavel Machek
2002-10-19 22:36 ` Ton Hospel
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