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2026-07-15 - 15:49
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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 Jul 15, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/107:05:261
120650650,0irq/26-eth1-rx-0-21swapper/307:05:153
112750560,0irq/25-eth00-21swapper/207:07:452
221424623,0sleep00-21swapper/007:06:070
259599191,0cyclictest2281-21sshd11:15:100
259599190,0cyclictest18220-21sshd11:08:390
271180,0ktimersoftd/229546-21sshd11:18:482
259899170,0cyclictest0-21swapper/311:13:543
259799160,0cyclictest0-21swapper/207:55:232
2595991613,0cyclictest10342-21sshd11:20:230
112750160,0irq/25-eth036-21ksoftirqd/312:39:423
112750160,0irq/25-eth030908-21sshd10:35:493
2596991514,0cyclictest0-21swapper/111:36:541
2596991514,0cyclictest0-21swapper/110:10:291
2596991514,0cyclictest0-21swapper/109:33:181
259599150,0cyclictest0-21swapper/007:55:170
112750150,0irq/25-eth028239-21bash10:57:003
2598991413,0cyclictest0-21swapper/312:23:553
2598991413,0cyclictest0-21swapper/310:13:343
2598991411,0cyclictest2051-21sshd09:23:433
2597991413,0cyclictest0-21swapper/211:45:342
2596991412,0cyclictest7324-21id11:28:461
259699140,0cyclictest8601-21sshd09:50:091
112750140,0irq/25-eth026505-21sshd10:26:401
112750140,0irq/25-eth020-21ksoftirqd/111:07:441
112750140,0irq/25-eth01805-21sshd09:32:103
2598991312,0cyclictest30514-21sshd12:02:033
2598991311,0cyclictest0-21swapper/311:50:343
2598991311,0cyclictest0-21swapper/311:34:383
259899130,0cyclictest0-21swapper/311:58:133
259899130,0cyclictest0-21swapper/309:49:273
2597991312,0cyclictest13669-21sshd11:42:342
2597991312,0cyclictest0-21swapper/212:30:532
259799131,0cyclictest0-21swapper/211:58:252
259799130,0cyclictest8392-21sshd09:54:242
259799130,0cyclictest0-21swapper/212:07:112
259799130,0cyclictest0-21swapper/211:33:152
259799130,0cyclictest0-21swapper/209:30:002
2596991312,0cyclictest26931-21diskmemload11:00:191
2596991312,0cyclictest17947-21munin-node11:30:251
2596991312,0cyclictest0-21swapper/112:01:181
2595991312,0cyclictest6579-21rm09:32:490
2595991312,0cyclictest31175-21bash11:01:410
2595991312,0cyclictest0-21swapper/012:24:450
259599130,0cyclictest17712-21sshd12:17:390
112750130,0irq/25-eth036-21ksoftirqd/309:19:013
112750130,0irq/25-eth031763-21munin-node09:40:183
112750130,0irq/25-eth030029-21bash10:22:553
112750130,0irq/25-eth017653-21sshd10:08:263
112750130,0irq/25-eth011902-21bash10:24:521
112750130,0irq/25-eth00-21swapper/312:17:033
41120,0ktimersoftd/021211-21sshd11:43:350
271120,0ktimersoftd/20-21swapper/211:02:142
2598991211,0cyclictest20447-21sshd09:51:363
2598991210,0cyclictest0-21swapper/311:47:323
2598991210,0cyclictest0-21swapper/311:41:313
2598991210,0cyclictest0-21swapper/310:52:073
259899120,0cyclictest26057-21bash09:56:383
2597991211,0cyclictest28055-21id12:01:432
2597991211,0cyclictest19997-21bash10:25:472
2597991211,0cyclictest0-21swapper/212:12:382
2597991210,0cyclictest22850-21sshd11:39:322
2597991210,0cyclictest0-21swapper/210:03:212
259799120,0cyclictest10601-21sshd12:20:582
259799120,0cyclictest0-21swapper/210:37:372
259799120,0cyclictest0-21swapper/209:36:102
259799120,0cyclictest0-21swapper/209:20:222
259799120,0cyclictest0-21swapper/209:16:532
259799120,0cyclictest0-21swapper/209:13:462
2596991211,0cyclictest0-21swapper/112:10:351
2596991211,0cyclictest0-21swapper/109:47:291
2596991210,0cyclictest0-21swapper/110:50:551
2596991210,0cyclictest0-21swapper/110:45:471
259699120,0cyclictest0-21swapper/112:35:071
259699120,0cyclictest0-21swapper/112:05:581
259699120,0cyclictest0-21swapper/111:45:581
259699120,0cyclictest0-21swapper/110:19:391
259699120,0cyclictest0-21swapper/109:16:421
2595991211,0cyclictest23067-21bash11:48:090
2595991211,0cyclictest0-21swapper/008:20:120
259599121,0cyclictest0-21swapper/011:57:040
259599121,0cyclictest0-21swapper/011:52:150
259599120,0cyclictest26931-21diskmemload10:45:320
259599120,0cyclictest0-21swapper/012:36:430
259599120,0cyclictest0-21swapper/012:25:330
259599120,0cyclictest0-21swapper/010:40:250
1799120,0migration/128787-21bash12:23:301
112750120,0irq/25-eth09607-21sshd11:41:591
112750120,0irq/25-eth036-21ksoftirqd/311:18:073
112750120,0irq/25-eth032520-21bash12:28:173
112750120,0irq/25-eth028-21ksoftirqd/210:16:092
112750120,0irq/25-eth025398-21sshd10:30:473
112750120,0irq/25-eth023977-21sshd10:47:543
112750120,0irq/25-eth023113-21sshd12:05:213
112750120,0irq/25-eth019491-21bash09:25:543
112750120,0irq/25-eth010023-21bash10:03:083
112750120,0irq/25-eth00-21swapper/311:25:433
2598991111,0cyclictest0-21swapper/307:42:253
2598991110,0cyclictest0-21swapper/308:16:553
259899110,0cyclictest0-21swapper/307:55:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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