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2026-03-15 - 18:49
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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 100 highest latencies:
System rack6slot5.osadl.org (updated Sun Mar 15, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2940099105635417,5135cyclictest1581-21kworker/0:007:16:120
2940099104895349,5116cyclictest8375-21kworker/0:110:24:230
2940099103975429,4958cyclictest5330-21kworker/0:107:38:120
2940099103085399,4895cyclictest18653-21kworker/0:208:08:500
2940099102465143,5080cyclictest18653-21kworker/0:208:41:180
2940099101085076,5021cyclictest18653-21kworker/0:208:10:240
294009997095176,4528cyclictest1212-21kworker/0:008:49:210
294009989794629,4346cyclictest5330-21kworker/0:107:43:450
294009989784676,4251cyclictest1212-21kworker/0:009:12:240
294009988454456,4378cyclictest1212-21kworker/0:009:05:150
294009988274533,4283cyclictest5330-21kworker/0:107:55:550
294009987974535,4251cyclictest1581-21kworker/0:007:23:400
294009987314546,4125cyclictest16181-21kworker/0:110:49:080
294009986864465,4206cyclictest1581-21kworker/0:007:14:180
294009986284450,4167cyclictest18653-21kworker/0:208:18:070
294009985884285,4261cyclictest5330-21kworker/0:107:48:030
294009984084333,4060cyclictest3613-21kworker/0:211:24:160
294009980064281,3665cyclictest5330-21kworker/0:107:31:350
294009980004390,3558cyclictest16247-21kworker/0:008:01:270
294009979363950,3963cyclictest1212-21kworker/0:009:03:400
294009975984220,3362cyclictest28437-21kworker/0:012:25:570
294009974443843,3586cyclictest29713-21kworker/0:209:59:220
294009974223903,3467cyclictest3613-21kworker/0:211:51:580
294009972893781,3493cyclictest16181-21kworker/0:110:34:590
294009972813824,3397cyclictest26513-21kworker/0:009:44:320
294009972793837,3428cyclictest5330-21kworker/0:107:54:210
294009972523860,3381cyclictest18653-21kworker/0:208:25:160
294009970853931,3103cyclictest1212-21kworker/0:008:56:190
294009970643739,3310cyclictest16181-21kworker/0:110:52:350
294009969873485,3451cyclictest18653-21kworker/0:208:23:420
294009967753668,3055cyclictest18653-21kworker/0:208:38:480
294009967383651,3064cyclictest16319-21kworker/0:109:32:470
294009966533509,3129cyclictest28437-21kworker/0:012:23:580
294009966233602,2969cyclictest18653-21kworker/0:208:31:210
294009965953527,3064cyclictest1581-21kworker/0:007:28:020
294009965113375,3121cyclictest26513-21kworker/0:009:46:280
294009964903327,3104cyclictest3613-21kworker/0:211:37:100
294009963503249,3058cyclictest16319-21kworker/0:109:22:400
294009962443261,2931cyclictest30313-21kworker/0:011:06:570
294009962393201,2987cyclictest29713-21kworker/0:210:08:560
294009960543227,2813cyclictest6174-21kworker/0:112:38:590
294009944172495,1871cyclictest28437-21kworker/0:012:07:200
294009943932426,1952cyclictest16181-21kworker/0:110:37:130
294009943012574,1712cyclictest29713-21kworker/0:210:10:570
294009935902012,1563cyclictest28437-21kworker/0:012:10:190
288582808184,203sleep00-21swapper07:06:090
294009956033,350cyclictest10256-21diskmemload12:03:360
294009953733,319cyclictest8933-21sed10:15:270
294009951895,409cyclictest11-21ksoftirqd/012:16:000
294009950854,440cyclictest17218-21ssh11:41:570
294009950754,439cyclictest14709-21ssh09:18:460
294009950654,438cyclictest19083-21ssh09:26:500
294009950034,395cyclictest2969-21seq10:01:330
294009948057,361cyclictest6744-21grep12:30:330
294009947958,350cyclictest10256-21diskmemload09:38:450
294009944773,190cyclictest8949-21munin-node11:25:260
294009944732,399cyclictest4894-21runrttasks11:59:380
294009944233,394cyclictest27552-21munin-node10:55:130
294009944155,201cyclictest19105-21fschecks_time11:46:310
294009943791,346cyclictest0-21swapper10:43:490
294009942969,177cyclictest345450irq/10-yenta10:29:420
294009942832,335cyclictest31108-21ssh09:53:360
294009942771,296cyclictest13-21rcuc/011:01:200
294009942336,89cyclictest5669-21apt-get11:17:060
294009942257,365cyclictest0-21swapper11:14:540
294009940754,340cyclictest11081-21ssh11:30:090
294009936190,258cyclictest11-21ksoftirqd/008:51:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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