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2025-10-17 - 03:26
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Oct 17, 2025 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150200,0ktimers/0211541sleep18:59:380
1514650,0ktimers/0167211sleep00:27:510
2128799460102,0cyclictest21284-21cyclictest22:41:350
2128799452118,0cyclictest955-21cut20:18:430
1514510,0ktimers/034441sleep20:29:170
212879944128,0cyclictest11455-21sendmail_mailqu00:03:080
212879943177,0cyclictest15225-21sed21:43:310
1514310,0ktimers/039451sleep20:32:230
212879942680,0cyclictest6226-21entropy23:37:590
212879942668,0cyclictest15713-21munin-node00:22:550
212879941875,0cyclictest0-21swapper22:37:090
2128799416110,0cyclictest0-21swapper22:16:210
212879941532,0cyclictest32082-21env20:12:200
212879941472,0cyclictest1927-21runrttasks19:03:480
212879941361,0cyclictest35-1kworker/0:1H-kblockd20:07:200
212879941141,0cyclictest23855-21wc19:14:100
212879941027,0cyclictest25209-21latency_hist19:21:320
2128799410130,0cyclictest0-21swapper23:11:410
1514090,0ktimers/0244291sleep22:32:030
212879940733,0cyclictest8527-21tail20:58:400
212879940583,0cyclictest2983-21cpu23:22:210
212879940441,0cyclictest893-21jbd2/sda1-821:21:330
212879940429,0cyclictest1927-21runrttasks21:11:520
212879940382,0cyclictest29153-21munin-run19:51:280
212879940340,0cyclictest893-21jbd2/sda1-821:31:350
212879940333,0cyclictest29959-21sshd22:57:220
212879940231,0cyclictest13092-21chrt00:11:510
2128799402134,0cyclictest0-21swapper21:06:530
212879940182,0cyclictest23435-21aten_r3power_vo22:27:230
212879940077,0cyclictest282941chrt19:42:480
2128799400137,0cyclictest0-21swapper00:21:210
212879939977,0cyclictest2052-21nfs_client23:17:470
212879939962,0cyclictest12460-21awk00:07:570
212879939583,0cyclictest27804-21wget22:47:370
212879939574,0cyclictest35-1kworker/0:1H-kblockd21:52:040
212879939543,0cyclictest893-21jbd2/sda1-821:56:320
212879939529,0cyclictest4903-21sendmail-mta20:36:580
212879939487,0cyclictest25208-21runrttasks19:21:220
212879939385,0cyclictest1570-21syslogd20:46:320
212879939283,0cyclictest28627-21latency_hist22:51:360
212879939241,0cyclictest893-21jbd2/sda1-823:46:330
212879939190,0cyclictest3932-21apt-get23:26:590
212879938981,0cyclictest0-21swapper20:23:270
212879938975,0cyclictest22586-21grep19:06:580
212879938727,0cyclictest18531-21expr22:03:210
212879938694,0cyclictest29242-21ls19:51:350
212879938660,0cyclictest10700-21aten_r3power_cu21:16:520
212879938592,0cyclictest1654-21snmpd21:31:330
212879938486,0cyclictest0-21swapper21:05:220
212879938381,0cyclictest1626-21nscd23:11:290
212879938290,0cyclictest0-21swapper23:41:490
2128799381108,0cyclictest26659-21aten_r3power_vo19:27:370
212879938070,0cyclictest8904-21munin-node23:53:250
212879938038,0cyclictest21158-21sh22:16:580
212879937987,0cyclictest15787-21mailstats21:46:420
212879937577,0cyclictest30260-21latency_hist19:56:320
212879937472,0cyclictest30838-21cut23:01:390
2128799374101,0cyclictest10411-21vmstat23:57:440
212879937342,0cyclictest27248-21mailstats19:31:460
2128799372130,0cyclictest0-21swapper22:23:090
2128799371107,0cyclictest6852-21munin-node20:53:380
212879936886,0cyclictest19096-21date22:06:300
212879936688,0cyclictest4847-21aten_r3power_vo23:32:310
212879936475,0cyclictest6194-21cut20:45:360
212879935991,0cyclictest143901chrt21:38:090
212879935886,0cyclictest0-21swapper20:01:310
212879935884,0cyclictest28003-21date19:41:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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