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2026-08-18 - 17:55
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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 Tue Aug 18, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650630,0irq/26-eth1-rx-0-21swapper/107:07:031
120650600,0irq/26-eth1-rx-0-21swapper/307:05:233
112750600,0irq/25-eth00-21swapper/207:06:592
283424631,0sleep00-21swapper/007:07:280
59172210,0sleep2112750irq/25-eth011:50:212
311299180,0cyclictest9001-21cp12:09:253
271180,0ktimersoftd/214355-21cp09:52:452
112750170,0irq/25-eth036-21ksoftirqd/310:40:203
3112991615,0cyclictest0-21swapper/311:55:233
311299160,0cyclictest0-21swapper/309:28:223
3109991611,0cyclictest0-21swapper/012:27:460
3112991512,0cyclictest0-21swapper/309:57:273
311099150,0cyclictest0-21swapper/108:00:191
3112991413,0cyclictest0-21swapper/309:38:463
311299140,0cyclictest0-21swapper/312:03:523
311199140,0cyclictest26-21rcuc/209:17:392
311199140,0cyclictest26-21rcuc/209:17:382
3110991411,0cyclictest0-21swapper/112:28:441
311099140,0cyclictest0-21swapper/111:51:411
3109991413,0cyclictest0-21swapper/012:03:570
3112991312,0cyclictest0-21swapper/311:29:223
3112991312,0cyclictest0-21swapper/310:35:063
3112991311,0cyclictest112750irq/25-eth009:50:583
311299130,0cyclictest0-21swapper/311:08:413
3111991312,0cyclictest0-21swapper/212:02:502
3111991312,0cyclictest0-21swapper/210:56:162
3111991311,0cyclictest28-21ksoftirqd/212:09:482
311199130,0cyclictest0-21swapper/211:49:562
311199130,0cyclictest0-21swapper/207:50:222
3110991312,0cyclictest1539-21sshd11:56:271
3110991311,0cyclictest0-21swapper/111:47:161
311099130,0cyclictest18531-21sshd11:40:391
311099130,0cyclictest0-21swapper/112:15:021
311099130,0cyclictest0-21swapper/112:15:021
311099130,0cyclictest0-21swapper/109:47:571
311099130,0cyclictest0-21swapper/109:41:131
3109991312,0cyclictest1289-21bash12:15:550
3109991312,0cyclictest1289-21bash12:15:550
3109991312,0cyclictest0-21swapper/011:04:220
3109991312,0cyclictest0-21swapper/009:53:240
3109991311,0cyclictest0-21swapper/010:51:340
310999130,0cyclictest32367-21sshd09:32:350
310999130,0cyclictest0-21swapper/010:39:370
310999130,0cyclictest0-21swapper/010:07:550
310999130,0cyclictest0-21swapper/009:37:000
191130,0ktimersoftd/10-21swapper/109:31:481
112750130,0irq/25-eth00-21swapper/312:34:383
3112991212,0cyclictest0-21swapper/309:43:103
3112991211,0cyclictest6021-21smart_sda10:10:213
3112991211,0cyclictest0-21swapper/310:55:543
3112991210,0cyclictest0-21swapper/312:22:483
3112991210,0cyclictest0-21swapper/312:22:483
3112991210,0cyclictest0-21swapper/311:49:063
3112991210,0cyclictest0-21swapper/311:34:073
3112991210,0cyclictest0-21swapper/310:53:143
3112991210,0cyclictest0-21swapper/309:14:013
311299120,0cyclictest0-21swapper/312:37:403
311299120,0cyclictest0-21swapper/310:32:263
311299120,0cyclictest0-21swapper/310:20:213
311299120,0cyclictest0-21swapper/309:00:133
311299120,0cyclictest0-21swapper/308:34:453
3111991212,0cyclictest0-21swapper/209:35:042
3111991211,0cyclictest3694-21bash11:24:162
3111991211,0cyclictest0-21swapper/210:49:042
3111991211,0cyclictest0-21swapper/210:28:372
3111991210,0cyclictest21963-21sshd09:57:222
3111991210,0cyclictest0-21swapper/209:23:062
311199120,0cyclictest0-21swapper/212:21:112
311199120,0cyclictest0-21swapper/212:21:112
311199120,0cyclictest0-21swapper/209:48:322
311199120,0cyclictest0-21swapper/209:12:242
311199120,0cyclictest0-21swapper/208:30:162
3110991211,0cyclictest2004-21bash11:35:111
3110991211,0cyclictest0-21swapper/112:11:051
3110991211,0cyclictest0-21swapper/110:50:201
3110991211,0cyclictest0-21swapper/110:33:511
3110991211,0cyclictest0-21swapper/110:07:431
3110991211,0cyclictest0-21swapper/110:00:521
3110991210,0cyclictest0-21swapper/111:17:031
3110991210,0cyclictest0-21swapper/110:48:291
311099120,0cyclictest0-21swapper/110:13:511
3109991211,0cyclictest8280-21cp10:29:160
3109991211,0cyclictest0-21swapper/010:19:040
3109991210,0cyclictest0-21swapper/010:56:070
3109991210,0cyclictest0-21swapper/010:33:140
310999120,0cyclictest0-21swapper/011:32:560
310999120,0cyclictest0-21swapper/011:22:150
310999120,0cyclictest0-21swapper/010:20:070
310999120,0cyclictest0-21swapper/010:03:570
191120,0ktimersoftd/119984-21sshd11:29:511
112750120,0irq/25-eth00-21swapper/112:30:221
41110,0ktimersoftd/015958-21munin-node08:45:130
311299119,0cyclictest0-21swapper/308:50:413
311299118,0cyclictest14640-21sshd11:14:223
311299118,0cyclictest0-21swapper/312:15:353
311299118,0cyclictest0-21swapper/312:15:353
311299115,0cyclictest14301-21sshd09:45:183
3112991111,0cyclictest0-21swapper/312:12:413
3112991111,0cyclictest0-21swapper/310:27:273
3112991110,0cyclictest23770-21sshd11:00:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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