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2025-11-14 - 19:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 50 highest latencies:
System rack0slot1.osadl.org (updated Fri Nov 14, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311682730,1sleep2557-21md0_raid112:14:102
152702690,0sleep10-21swapper/109:45:091
315782590,0sleep10-21swapper/110:35:071
1766924119,7sleep70-21swapper/707:01:507
1838823826,7sleep20-21swapper/207:02:332
1641323724,7sleep10-21swapper/106:59:351
1639423724,7sleep30-21swapper/306:59:293
1633823623,7sleep40-21swapper/406:59:144
1708423521,8sleep00-21swapper/007:00:540
1666623523,7sleep60-21swapper/607:00:126
1417223421,8sleep50-21swapper/506:58:195
19370992711,14cyclictest27267-21mrtg11:33:176
1936899260,13cyclictest0-21swapper/407:43:334
19367992320,2cyclictest43-21ksoftirqd/311:42:163
19366992120,0cyclictest0-21swapper/207:14:232
19366992120,0cyclictest0-21swapper/207:14:232
19366992118,2cyclictest0-21swapper/210:13:362
19364992116,4cyclictest6253-21Poller-Thread-210:28:000
254212200,0sleep60-21swapper/611:11:416
19367992017,2cyclictest18645-21pool-14-thread-07:08:053
19366992018,1cyclictest0-21swapper/207:30:392
1937099190,18cyclictest7526-21postmaster07:41:286
1937099190,18cyclictest7205-21sshd11:59:216
1937099190,18cyclictest7205-21sshd11:59:216
19368991915,2cyclictest52-21ksoftirqd/410:48:164
19366991918,0cyclictest0-21swapper/209:19:422
19366991918,0cyclictest0-21swapper/208:08:002
19366991916,2cyclictest0-21swapper/208:22:042
19366991912,5cyclictest6450-21Collectd-Thread07:11:232
1937199180,1cyclictest0-21swapper/709:15:377
1937099180,17cyclictest10772-21diskmemload11:47:326
19367991816,1cyclictest43-21ksoftirqd/310:08:023
19367991816,1cyclictest43-21ksoftirqd/310:08:023
19366991816,1cyclictest0-21swapper/208:46:302
19366991816,1cyclictest0-21swapper/208:41:162
19365991815,2cyclictest3300-21QueuingRrdStrat09:16:541
1936499186,6cyclictest0-21swapper/007:28:170
19371991715,1cyclictest5451-21GC11:34:457
19367991715,1cyclictest43-21ksoftirqd/310:17:043
19367991715,1cyclictest43-21ksoftirqd/308:52:483
19367991714,2cyclictest43-21ksoftirqd/309:16:573
19367991713,2cyclictest43-21ksoftirqd/310:28:103
19366991715,0cyclictest0-21swapper/207:18:192
19366991714,2cyclictest6452-21Collectd-Thread12:18:562
19366991713,3cyclictest2465-21openvpn08:38:062
19366991711,5cyclictest6438-21Collectd-Thread10:48:442
1936699170,15cyclictest0-21swapper/209:10:592
1936599170,16cyclictest241ktimersoftd/110:42:421
19364991714,2cyclictest10186-21postmaster12:23:310
1937099163,6cyclictest5508-21JNI-ICMP-16493-10:03:356
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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