From: Antoine Martin <antoine@nagafix.co.uk>
To: kvm-devel@lists.sourceforge.net
Subject: idle load
Date: Fri, 28 Mar 2008 23:41:44 +0000 [thread overview]
Message-ID: <47ED8238.1010904@nagafix.co.uk> (raw)
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Hi,
Guests seem to be doing a lot of timer related polling, is there any way
to reduce that (which would reduce load on the host):
select(0, [], NULL, NULL, {0, 0}) = 0 (Timeout)
clock_gettime(CLOCK_MONOTONIC, {1046993, 598906624}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 598955741}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599002421}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599048737}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 0}}) = 0
timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 11000000}},
NULL) = 0
select(4, [0 3], [], [], {0, 0}) = 0 (Timeout)
select(0, [], NULL, NULL, {0, 0}) = 0 (Timeout)
clock_gettime(CLOCK_MONOTONIC, {1046993, 599305034}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599352080}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599442433}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599490141}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599536708}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 10572102}}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599650500}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599697967}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599744129}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 10364877}}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599850495}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599898120}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 599944263}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 10164841}}) = 0
timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 558000}}, NULL) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600340673}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600389516}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600436196}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 126861}}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600542537}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600590172}) = 0
- --- SIGALRM (Alarm clock) @ 0 (0) ---
rt_sigreturn(0) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 600727594}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 0}}) = 0
timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 10000000}},
NULL) = 0
select(4, [0 3], [], [], {0, 0}) = 0 (Timeout)
select(0, [], NULL, NULL, {0, 0}) = 0 (Timeout)
clock_gettime(CLOCK_MONOTONIC, {1046993, 600978104}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 601024560}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 601070676}) = 0
clock_gettime(CLOCK_MONOTONIC, {1046993, 601117316}) = 0
timer_gettime(0x2, {it_interval={0, 0}, it_value={0, 9665212}}) = 0
timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 9000000}}, NULL) = 0
select(4, [0 3], [], [], {0, 10000}) = 0 (Timeout)
select(0, [], NULL, NULL, {0, 0}) = 0 (Timeout)
Cheers
Antoine
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next reply other threads:[~2008-03-28 23:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 23:41 Antoine Martin [this message]
2008-03-29 20:42 ` idle load Dor Laor
2008-04-05 8:57 ` Antoine Martin
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