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2024-02-23 - 04:44
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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
Characteristics of the 376 highest latencies:
System rack6slot5.osadl.org (updated Thu Feb 22, 2024 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240622748184,202sleep00-21swapper19:09:260
242059945253,226cyclictest4919-21runrttasks23:56:040
242059941452,348cyclictest0-21swapper21:36:530
242059938954,312cyclictest26873-21ssh00:13:490
242059938552,281cyclictest11802-21ssh22:59:520
242059937933,346cyclictest0-21swapper00:03:130
242059937532,328cyclictest30612-21ssh21:47:210
242059937427,331cyclictest22867-21ssh00:06:200
242059936821,332cyclictest26121-21kernelversion22:31:050
242059936731,322cyclictest5766-21diskmemload23:27:340
242059936226,321cyclictest10880-21kworker/0:020:00:310
242059936171,290cyclictest0-21swapper23:43:450
242059935888,257cyclictest5766-21diskmemload00:38:300
242059935854,290cyclictest5766-21diskmemload23:11:150
242059935852,266cyclictest4965-21ssh23:39:300
242059935727,316cyclictest24085-21ssh23:18:440
242059935727,315cyclictest29851-21ssh00:18:100
242059935654,288cyclictest17625-21kworker/0:023:31:120
242059935454,287cyclictest80950irq/14-ata_piix00:29:570
242059935326,312cyclictest1029-21ssh22:42:230
242059935228,309cyclictest4109-21runrttasks22:46:450
24205993512,334cyclictest1156-21kworker/u2:321:32:090
242059935069,281cyclictest0-21swapper22:23:020
242059935034,81cyclictest24195-21cyclictest21:50:330
242059934554,233cyclictest80950irq/14-ata_piix22:10:270
242059934525,305cyclictest7785-21sshd22:01:460
242059934353,276cyclictest5766-21diskmemload00:22:020
242059934155,273cyclictest80950irq/14-ata_piix21:19:000
242059934153,274cyclictest5766-21diskmemload00:34:130
242059934153,228cyclictest7104-21ssh22:51:050
242059934053,273cyclictest5766-21diskmemload22:27:090
24205993401,339cyclictest0-21swapper21:28:060
242059933355,264cyclictest5766-21diskmemload23:51:490
242059933270,87cyclictest14867-21ssh21:23:190
242059933254,264cyclictest5766-21diskmemload23:06:590
242059932964,252cyclictest4919-21runrttasks22:18:250
242059932954,261cyclictest5766-21diskmemload23:23:190
242059932951,263cyclictest10744-21ssh22:06:100
242059932653,259cyclictest26378-21strings21:40:520
242059931554,247cyclictest5766-21diskmemload23:47:260
242059931554,201cyclictest14373-21rm23:03:150
242059930314,289cyclictest0-21swapper22:38:520
242059929933,251cyclictest7784-21seq21:11:500
242059929831,252cyclictest31117-21df20:50:310
242059929335,258cyclictest0-21swapper21:02:530
242059929032,258cyclictest0-21swapper20:06:080
242059928732,241cyclictest264112sleep020:38:140
242059928630,251cyclictest22824-21cron20:34:560
242059928432,239cyclictest27591-21kworker/u2:019:57:040
242059928427,257cyclictest0-21swapper21:57:080
242059928427,242cyclictest5236-21seq19:41:260
242059928221,261cyclictest0-21swapper21:05:580
242059928125,241cyclictest28114-21seq20:41:280
242059928124,242cyclictest2591-21expr19:35:320
242059928027,240cyclictest17323-21munin-node20:15:230
242059928024,242cyclictest12-21rcu_preempt20:24:510
242059926931,224cyclictest30207-21kworker/0:121:00:010
242059926925,231cyclictest16754-21kworker/0:120:27:590
242059926826,228cyclictest4298-21snmpd20:12:210
242059924824,224cyclictest4919-21runrttasks19:32:390
242059924026,214cyclictest0-21swapper19:27:060
242059922956,159cyclictest11-21ksoftirqd/020:47:230
242059922931,79cyclictest4919-21runrttasks19:51:020
24205992169,207cyclictest0-21swapper19:47:420
242059921526,69cyclictest28325-21seq19:18:580
242059920529,59cyclictest0-21swapper19:21:430
24205993820,17cyclictest0-21swapper19:11:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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