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2026-04-10 - 18:15
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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 Fri Apr 10, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750670,0irq/25-eth00-21swapper/307:06:123
120650630,0irq/26-eth1-rx-0-21swapper/107:07:031
112750550,0irq/25-eth00-21swapper/207:05:312
2234124521,0sleep00-21swapper/007:05:190
2328699180,0cyclictest1480-21nfsd09:27:592
2328599180,0cyclictest4706-21sshd09:41:121
2328799170,0cyclictest24781-21sshd09:58:213
2328799170,0cyclictest0-21swapper/309:14:343
2328699160,0cyclictest0-21swapper/209:35:182
23285991613,0cyclictest0-21swapper/109:12:331
23287991514,0cyclictest929-21sshd11:52:463
23287991514,0cyclictest0-21swapper/311:20:023
2328799150,0cyclictest0-21swapper/312:13:423
2328799149,0cyclictest19055-21bash09:19:573
23287991412,0cyclictest0-21swapper/310:13:343
23287991412,0cyclictest0-21swapper/309:48:293
23287991410,0cyclictest7015-21bash11:49:003
2328799140,0cyclictest0-21swapper/311:03:103
2328699140,0cyclictest0-21swapper/211:30:152
41130,0ktimersoftd/00-21swapper/011:32:180
2328799139,0cyclictest17484-21bash12:18:493
2328799138,0cyclictest11586-21sshd12:08:323
2328799133,0cyclictest0-21swapper/309:00:153
23287991312,0cyclictest0-21swapper/310:02:183
23287991310,0cyclictest0-21swapper/311:36:393
2328799130,0cyclictest0-21swapper/311:07:423
2328699138,0cyclictest2045-21sshd12:16:272
2328699138,0cyclictest13370-21sshd09:51:552
2328699137,0cyclictest28849-21bash12:10:552
2328699137,0cyclictest25199-21bash12:05:392
23286991312,0cyclictest0-21swapper/211:36:112
23286991311,0cyclictest0-21swapper/210:48:472
2328699130,0cyclictest0-21swapper/212:23:002
23285991312,0cyclictest0-21swapper/109:27:531
2328599130,0cyclictest0-21swapper/111:26:581
2328599130,0cyclictest0-21swapper/110:35:181
23284991312,0cyclictest31585-21df_inode07:25:120
23284991312,0cyclictest0-21swapper/011:12:270
23284991312,0cyclictest0-21swapper/010:35:240
2328499130,0cyclictest0-21swapper/010:16:200
9950120,0irq/24-0000:00:23308-21bash12:15:000
41120,0ktimersoftd/00-21swapper/009:00:110
2328799129,0cyclictest0-21swapper/309:40:503
23287991212,0cyclictest0-21swapper/312:28:413
23287991212,0cyclictest0-21swapper/312:03:433
23287991211,0cyclictest32712-21sshd10:37:093
23287991211,0cyclictest23424-21sshd10:40:253
23287991211,0cyclictest0-21swapper/312:39:083
23287991211,0cyclictest0-21swapper/312:21:573
23287991211,0cyclictest0-21swapper/311:26:173
23287991211,0cyclictest0-21swapper/311:12:153
23287991211,0cyclictest0-21swapper/310:27:383
2328799120,0cyclictest0-21swapper/311:18:303
2328799120,0cyclictest0-21swapper/310:32:243
2328699128,0cyclictest7916-21sshd09:13:342
2328699128,0cyclictest5500-21bash11:25:112
2328699128,0cyclictest19530-21sshd10:06:572
2328699128,0cyclictest16646-21bash11:59:542
2328699127,0cyclictest16862-21sshd11:07:532
2328699127,0cyclictest15200-21diskmemload11:40:522
2328699126,0cyclictest9916-21sshd09:32:362
2328699126,0cyclictest27563-21bash11:00:072
23286991211,0cyclictest0-21swapper/210:35:322
23286991211,0cyclictest0-21swapper/210:32:182
23286991211,0cyclictest0-21swapper/210:16:292
23286991211,0cyclictest0-21swapper/209:21:112
23286991210,0cyclictest0-21swapper/208:05:132
2328699120,0cyclictest0-21swapper/209:42:132
23285991212,0cyclictest0-21swapper/112:02:511
23285991211,0cyclictest3560-21sshd09:31:371
23285991211,0cyclictest16696-21sshd10:49:061
23285991210,0cyclictest0-21swapper/111:22:111
2328599120,0cyclictest29286-21munin-node09:35:191
2328599120,0cyclictest0-21swapper/112:12:511
2328599120,0cyclictest0-21swapper/111:54:361
2328599120,0cyclictest0-21swapper/111:37:461
2328599120,0cyclictest0-21swapper/110:40:501
2328599120,0cyclictest0-21swapper/110:10:451
2328599120,0cyclictest0-21swapper/109:56:351
23284991212,0cyclictest2311-21sshd09:26:440
23284991211,0cyclictest27727-21sshd11:00:080
23284991211,0cyclictest0-21swapper/010:48:380
23284991211,0cyclictest0-21swapper/009:20:480
2328499120,0cyclictest2458-21sshd09:36:080
2328499120,0cyclictest0-21swapper/010:50:220
2328499120,0cyclictest0-21swapper/010:50:220
2328499120,0cyclictest0-21swapper/010:21:060
2328499120,0cyclictest0-21swapper/009:32:250
191120,0ktimersoftd/10-21swapper/111:57:231
112750120,0irq/25-eth027741-21rm09:49:241
112750120,0irq/25-eth00-21swapper/111:13:291
351110,0ktimersoftd/315200-21diskmemload10:20:053
351110,0ktimersoftd/30-21swapper/308:02:043
2328799119,0cyclictest0-21swapper/308:58:043
23287991111,0cyclictest0-21swapper/310:19:513
23287991110,0cyclictest11013-21sshd10:48:113
23287991110,0cyclictest0-21swapper/312:30:253
23287991110,0cyclictest0-21swapper/311:31:043
23287991110,0cyclictest0-21swapper/310:57:093
23287991110,0cyclictest0-21swapper/310:57:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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