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2026-04-22 - 12:49
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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 rack7slot0.osadl.org (updated Wed Apr 22, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/319:07:473
112750570,0irq/25-eth00-21swapper/119:05:121
112750550,0irq/25-eth00-21swapper/219:05:382
2177824623,0sleep00-21swapper/019:09:290
2188699220,0cyclictest0-21swapper/100:38:551
2188899202,0cyclictest737-21id00:00:313
21887991714,0cyclictest0-21swapper/200:13:162
2188899160,0cyclictest0-21swapper/320:45:193
21887991614,0cyclictest0-21swapper/223:40:522
2188799160,0cyclictest0-21swapper/220:45:102
2188799160,0cyclictest0-21swapper/219:45:192
41150,0ktimersoftd/026128-21sshd22:50:170
21886991514,0cyclictest0-21swapper/122:18:431
41140,0ktimersoftd/00-21swapper/021:17:070
2188899140,0cyclictest0-21swapper/322:33:073
21887991413,0cyclictest0-21swapper/223:27:382
2188799140,0cyclictest0-21swapper/221:00:152
21886991411,0cyclictest13793-21diskmemload21:15:521
21886991411,0cyclictest0-21swapper/122:31:151
21885991411,0cyclictest28826-21rm00:34:500
21885991410,0cyclictest0-21swapper/000:07:040
2188599140,0cyclictest1480-21nfsd00:25:240
2188599140,0cyclictest0-21swapper/000:00:120
21888991312,0cyclictest24794-21sshd22:11:173
21888991312,0cyclictest24794-21sshd22:11:173
21888991312,0cyclictest0-21swapper/323:09:003
21888991312,0cyclictest0-21swapper/300:27:263
21888991312,0cyclictest0-21swapper/300:21:573
21888991312,0cyclictest0-21swapper/300:09:193
21888991311,0cyclictest25583-21sshd23:50:513
2188899130,0cyclictest8833-21id00:14:463
2188899130,0cyclictest21658-21sshd23:02:453
21887991312,0cyclictest14606-21sshd22:22:552
21887991311,0cyclictest0-21swapper/222:05:502
2188799130,0cyclictest0-21swapper/222:16:382
21886991312,0cyclictest15354-21sshd00:11:091
21886991312,0cyclictest13793-21diskmemload22:43:481
21886991312,0cyclictest0-21swapper/100:05:431
2188699130,0cyclictest0-21swapper/123:52:281
2188699130,0cyclictest0-21swapper/123:47:271
2188699130,0cyclictest0-21swapper/100:20:211
21885991312,0cyclictest0-21swapper/023:45:190
21885991312,0cyclictest0-21swapper/023:16:040
21885991311,0cyclictest0-21swapper/021:57:320
2188599130,0cyclictest9471-21diskstats19:50:130
2188599130,0cyclictest23357-21bash22:06:500
2188599130,0cyclictest13793-21diskmemload22:26:130
2188599130,0cyclictest1363-21bash00:35:200
112750130,0irq/25-eth023484-21sshd22:54:231
41120,0ktimersoftd/00-21swapper/023:34:390
41120,0ktimersoftd/00-21swapper/023:28:090
351120,0ktimersoftd/30-21swapper/321:17:163
271120,0ktimersoftd/20-21swapper/221:35:452
21888991211,0cyclictest7513-21bash22:56:283
21888991211,0cyclictest28190-21sshd21:24:423
21888991211,0cyclictest0-21swapper/323:29:213
21888991211,0cyclictest0-21swapper/323:15:173
2188899120,0cyclictest8695-21bash22:22:063
2188899120,0cyclictest13793-21diskmemload22:09:463
2188899120,0cyclictest0-21swapper/323:13:473
2188899120,0cyclictest0-21swapper/322:28:213
2188899120,0cyclictest0-21swapper/322:03:443
21887991212,0cyclictest0-21swapper/200:09:342
21887991211,0cyclictest0-21swapper/223:15:052
21887991211,0cyclictest0-21swapper/223:10:192
21887991211,0cyclictest0-21swapper/221:45:442
21887991211,0cyclictest0-21swapper/221:05:122
21887991211,0cyclictest0-21swapper/200:37:182
21887991211,0cyclictest0-21swapper/200:33:362
21887991211,0cyclictest0-21swapper/200:29:532
2188799120,0cyclictest7673-21sshd23:00:482
2188799120,0cyclictest0-21swapper/222:46:272
2188799120,0cyclictest0-21swapper/222:27:402
2188799120,0cyclictest0-21swapper/200:22:272
2188799120,0cyclictest0-21swapper/200:17:002
21886991211,0cyclictest0-21swapper/123:55:431
21886991211,0cyclictest0-21swapper/122:09:251
21886991211,0cyclictest0-21swapper/121:37:491
2188699120,0cyclictest0-21swapper/121:29:211
21885991212,0cyclictest0-21swapper/023:01:470
21885991211,0cyclictest0-21swapper/022:57:000
2188599120,0cyclictest12626-21rm00:10:470
2188599120,0cyclictest0-21swapper/023:06:330
2188599120,0cyclictest0-21swapper/022:33:250
112750120,0irq/25-eth00-21swapper/321:30:583
112750120,0irq/25-eth00-21swapper/222:51:092
112750120,0irq/25-eth00-21swapper/121:55:291
9950110,0irq/24-0000:00:9065-21sshd22:39:310
21888991111,0cyclictest21260-21sshd23:59:043
21888991111,0cyclictest0-21swapper/323:40:513
21888991111,0cyclictest0-21swapper/322:48:423
21888991111,0cyclictest0-21swapper/300:16:313
21888991110,0cyclictest11487-21bash23:23:053
21888991110,0cyclictest0-21swapper/323:32:353
21888991110,0cyclictest0-21swapper/322:50:113
2188899110,0cyclictest0-21swapper/321:26:193
2188899110,0cyclictest0-21swapper/319:15:153
21887991111,0cyclictest0-21swapper/223:50:522
21887991111,0cyclictest0-21swapper/223:21:202
21887991111,0cyclictest0-21swapper/221:28:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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