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2024-07-27 - 07:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Sat Jul 27, 2024 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225092278252,15sleep20-21swapper/219:09:032
225842276240,20sleep30-21swapper/319:10:003
223642272243,17sleep10-21swapper/119:07:081
222812269220,39sleep00-21swapper/019:06:030
65992610,0sleep10-21swapper/123:23:121
63142610,0sleep30-21swapper/322:24:473
211372580,0sleep30-21swapper/300:12:273
161042580,0sleep00-21swapper/023:48:420
188912560,1sleep10-21swapper/122:12:131
166832560,0sleep00-21swapper/023:10:100
149142550,0sleep10-21swapper/121:10:491
221072170,0sleep00-21swapper/023:52:010
215602170,0sleep221557-21sh23:12:442
268922160,0sleep30-21swapper/300:16:083
66142150,0sleep00-21swapper/021:45:170
172752140,0sleep30-21swapper/323:10:133
161912140,0sleep20-21swapper/221:50:522
22726991210,2cyclictest34-21ksoftirqd/319:20:013
2272699119,1cyclictest34-21ksoftirqd/300:00:013
2271199118,2cyclictest12-21ksoftirqd/000:20:000
21942110,1sleep20-21swapper/221:42:472
146192110,0sleep30-21swapper/322:49:113
2272699108,2cyclictest34-21ksoftirqd/323:00:013
227269996,2cyclictest34-21ksoftirqd/320:15:013
227229996,2cyclictest28-21ksoftirqd/220:25:002
227229990,8cyclictest6602-21munin-run22:25:012
227139994,3cyclictest19982-21systemd-journal23:45:011
227139994,3cyclictest19982-21systemd-journal22:52:461
227119998,1cyclictest12-21ksoftirqd/021:45:000
11684290,0sleep10-21swapper/121:29:111
4733280,0chrt0-21swapper/021:25:020
227269984,3cyclictest19982-21systemd-journal19:34:363
227269983,3cyclictest7661-21lldpd23:45:393
227269983,3cyclictest19982-21systemd-journal21:35:003
227229984,3cyclictest508-21dbus-daemon22:42:452
227229983,3cyclictest19982-21systemd-journal22:35:152
227229982,3cyclictest12089-21munin-run21:10:002
227229980,5cyclictest1-21systemd21:40:012
227139987,1cyclictest28459-1kworker/u9:023:10:431
227139984,3cyclictest19982-21systemd-journal22:05:011
227139984,3cyclictest19982-21systemd-journal19:58:231
227119983,4cyclictest19982-21systemd-journal21:30:590
227119983,3cyclictest19982-21systemd-journal23:00:010
227119983,3cyclictest19982-21systemd-journal21:00:000
8800270,0sleep10-21swapper/100:25:351
227269976,1cyclictest32029-21kworker/3:121:49:403
227269974,2cyclictest7827-21/usr/sbin/munin00:25:173
227269974,2cyclictest11736-21in:imuxsock21:08:533
227269973,3cyclictest7656-21snmpd20:59:083
227269973,3cyclictest20801-21apt-get21:15:103
227269973,3cyclictest0-21swapper/323:36:313
227269973,3cyclictest0-21swapper/323:25:083
227269973,3cyclictest0-21swapper/323:18:383
227269973,3cyclictest0-21swapper/322:43:443
227269973,3cyclictest0-21swapper/322:15:453
227269973,3cyclictest0-21swapper/321:20:133
227269973,3cyclictest0-21swapper/321:12:203
227269973,2cyclictest7661-21lldpd22:13:403
227269973,1cyclictest0-21swapper/323:04:293
227269973,1cyclictest0-21swapper/321:25:043
227269972,3cyclictest7659-21lldpd20:43:083
227269972,3cyclictest19982-21systemd-journal00:38:443
227269970,6cyclictest24194-21expr22:35:153
227229976,1cyclictest28-21ksoftirqd/223:10:012
227229975,1cyclictest6774-21apt-get00:25:102
227229975,1cyclictest0-21swapper/222:15:162
227229974,2cyclictest52150irq/139-enp4s0-19:50:242
227229974,2cyclictest508-21dbus-daemon23:04:022
227229974,2cyclictest24949-21/usr/sbin/munin23:15:142
227229973,3cyclictest7656-21snmpd20:42:042
227229973,3cyclictest6644-21ntpq20:55:182
227229973,3cyclictest30129-21ntpq21:20:162
227229973,3cyclictest25521-21ntpq19:15:012
227229973,3cyclictest0-21swapper/223:47:122
227229973,3cyclictest0-21swapper/221:49:082
227229972,3cyclictest19982-21systemd-journal22:57:572
227139974,2cyclictest508-21dbus-daemon23:57:011
227139974,2cyclictest502-21systemd-logind22:39:501
227139974,2cyclictest11736-21in:imuxsock19:18:451
227139973,3cyclictest19982-21systemd-journal19:55:001
227139973,3cyclictest18165-21ntpq00:10:211
227139973,3cyclictest0-21swapper/122:19:261
227139973,3cyclictest0-21swapper/121:53:561
227139973,1cyclictest0-21swapper/121:41:051
227139970,7cyclictest12091-21diskmemload22:57:001
227139970,4cyclictest15485-21basename20:05:011
227139970,3cyclictest19982-21systemd-journal23:54:061
227119976,1cyclictest12-21ksoftirqd/022:00:010
227119976,1cyclictest12-21ksoftirqd/022:00:010
227119975,1cyclictest12-21ksoftirqd/020:20:010
227119973,3cyclictest7656-21snmpd22:41:080
227119973,3cyclictest7656-21snmpd20:21:160
227119973,3cyclictest7656-21snmpd19:56:420
227119973,3cyclictest7656-21snmpd19:38:590
227119973,3cyclictest508-21dbus-daemon22:20:140
227119973,3cyclictest508-21dbus-daemon21:09:180
227119973,3cyclictest26979-21ntpq19:15:160
227119973,3cyclictest1625-21diskstats23:20:160
227119973,2cyclictest19982-21systemd-journal20:50:310
227119973,1cyclictest0-21swapper/023:39:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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