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2026-03-21 - 19:18
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Sat Mar 21, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127499209813105332,104479cyclictest0-21swapper10:24:390
12749910714053445,53573cyclictest2790-21gnome-settings-11:11:530
12749910696953422,53455cyclictest0-21swapper12:22:130
12749910693853430,53419cyclictest9-21ksoftirqd/007:56:470
12749910691553472,53321cyclictest18545-21diskmemload09:33:550
12749910683753443,53301cyclictest134850irq/9-eth011:07:210
12749910673053442,53288cyclictest0-21swapper07:16:150
12749910663653436,53109cyclictest9-21ksoftirqd/010:04:330
12749910659953430,53105cyclictest9-21ksoftirqd/011:04:310
12749910657853484,53094cyclictest0-21swapper07:32:300
12749910657553451,53032cyclictest0-21swapper07:38:410
12749910653053413,53117cyclictest0-21swapper11:26:570
12749910650553472,53033cyclictest0-21swapper07:14:240
12749910649353449,53044cyclictest0-21swapper12:07:290
12749910648153459,53022cyclictest0-21swapper12:17:520
12749910646753455,53012cyclictest0-21swapper08:13:410
12749910646353471,52992cyclictest0-21swapper11:42:320
12749910645853472,52986cyclictest0-21swapper10:59:590
12749910645853406,53052cyclictest0-21swapper11:55:250
12749910644953402,53047cyclictest0-21swapper11:54:050
12749910644353442,53001cyclictest0-21swapper11:48:330
12749910644153442,52999cyclictest0-21swapper10:15:570
12749910644153440,53001cyclictest0-21swapper12:28:150
12749910643853396,53042cyclictest0-21swapper11:38:410
12749910642853392,53036cyclictest0-21swapper09:58:220
12749910640553430,52912cyclictest9-21ksoftirqd/009:42:370
12749910630553430,52813cyclictest9-21ksoftirqd/009:01:250
12749910630453429,52811cyclictest9-21ksoftirqd/008:05:090
12749910623453479,52755cyclictest0-21swapper12:34:170
12749910622553476,52749cyclictest0-21swapper08:48:210
12749910622253404,52818cyclictest0-21swapper09:35:550
12749910622053477,52743cyclictest0-21swapper07:51:250
12749910621953477,52742cyclictest0-21swapper08:56:140
12749910620853468,52740cyclictest0-21swapper10:53:580
12749910620753471,52736cyclictest0-21swapper07:29:190
12749910619453464,52730cyclictest0-21swapper12:12:400
12749910618653459,52727cyclictest0-21swapper08:04:090
12749910618553415,52770cyclictest0-21swapper07:44:230
12749910617953452,52727cyclictest0-21swapper08:43:100
12749910614053442,52698cyclictest0-21swapper08:24:150
12749910511453011,52098cyclictest0-21swapper10:28:200
12749910502652938,52086cyclictest0-21swapper09:21:510
1274995347126,53445cyclictest0-21swapper08:32:470
1274995333925,53219cyclictest0-21swapper08:36:380
1274995315924,0cyclictest0-21swapper09:19:400
127499531028,53092cyclictest0-21swapper09:49:590
127499530528,53042cyclictest0-21swapper10:36:020
1274995278326,52757cyclictest0-21swapper11:16:440
12749924871041,1345cyclictest18545-21diskmemload11:34:290
12749923701015,1263cyclictest20026-21rm09:10:480
12749923261077,1122cyclictest31975-21ssh12:36:070
12749923211092,1102cyclictest29599-21ssh10:11:450
12749921681016,1099cyclictest13590-21sh11:22:360
12749921491019,1093cyclictest9840-21ssh12:04:580
12749920861056,906cyclictest10534-21ssh10:30:410
12749919891041,857cyclictest134850irq/9-eth009:50:390
12749919821032,857cyclictest0-21swapper10:47:160
12749919731025,856cyclictest0-21swapper08:27:350
12749919711025,853cyclictest0-21swapper09:27:030
1274991937947,969cyclictest0-21swapper09:09:380
12749919241018,813cyclictest0-21swapper07:47:140
12749918961033,771cyclictest0-21swapper07:24:470
1274991697998,661cyclictest18936-21ssh10:43:550
12749916261090,470cyclictest0-21swapper10:08:550
12749914531090,363cyclictest0-21swapper08:51:320
12749914441089,355cyclictest0-21swapper08:15:420
894265236,207sleep00-21swapper07:08:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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