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2026-06-02 - 08:05
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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 rack5slot0.osadl.org (updated Tue Jun 02, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
595821430,2sleep20-21swapper/222:12:012
890721340,4sleep31858599cyclictest23:37:253
18220210233,40sleep30-21swapper/319:08:433
1911321010,1sleep20-21swapper/221:56:142
1814929232,48sleep10-21swapper/119:07:491
150162910,1sleep00-21swapper/021:20:490
308812890,2sleep130882-21bash22:40:011
204592880,2sleep236-21rcuop/223:49:582
168902870,7sleep10-21swapper/122:20:251
175882860,0sleep00-21swapper/022:42:160
322402850,2sleep30-21swapper/321:44:003
184742850,2sleep20-21swapper/200:15:362
321322840,2sleep132131-21sshd22:01:021
235432830,2sleep10-21swapper/122:46:551
216342830,1sleep321612-21sshd22:50:133
157282830,0sleep00-21swapper/021:17:330
229542820,2sleep222955-21sshd21:29:092
137352810,2sleep20-21swapper/222:05:562
94722800,2sleep10-21swapper/100:33:061
324342800,1sleep132431-21bash00:24:201
9902790,1sleep20-21swapper/222:01:112
3552790,3sleep20-21swapper/221:22:482
259412790,2sleep10-21swapper/121:50:121
146872780,2sleep30-21swapper/323:22:303
147192730,2sleep10-21swapper/121:10:321
10332730,2sleep10-21swapper/123:14:031
259432710,4sleep31858599cyclictest23:13:133
315512680,4sleep11857799cyclictest23:54:381
38362640,3sleep21858399cyclictest21:19:472
1800926133,4sleep00-21swapper/019:06:160
1799624933,12sleep20-21swapper/219:06:062
308792330,2sleep10-21swapper/122:55:241
254102290,2sleep12023-21nfsd22:25:221
64352280,4sleep21858399cyclictest00:25:012
33552270,25sleep1144650irq/27-eth021:37:301
306252270,2sleep30-21swapper/300:01:223
18585992724,2cyclictest0-21swapper/322:12:343
63162260,2sleep32512-21runrttasks21:58:233
47132260,2sleep20-21swapper/200:09:552
135322250,2sleep313529-21bash00:18:403
89032240,2sleep20-21swapper/222:16:102
271852240,2sleep30-21swapper/323:43:223
18585992419,3cyclictest0-21swapper/322:36:273
18585992419,3cyclictest0-21swapper/322:31:263
73572220,1sleep30-21swapper/300:14:203
1858599224,7cyclictest5589-21sshd22:01:413
1858399224,3cyclictest8377-21sshd00:14:292
80192210,1sleep10-21swapper/123:25:421
304972210,19sleep3144650irq/27-eth023:31:453
253192210,3sleep01857399cyclictest21:46:380
202362210,0sleep00-21swapper/022:03:170
18585992117,3cyclictest11928-21id00:33:273
1858599211,16cyclictest24054-21sshd23:50:173
1858599210,13cyclictest5963-21sshd00:06:263
1858399216,9cyclictest0-21swapper/220:36:572
1858599205,6cyclictest8344-21sshd23:04:153
1858599205,6cyclictest25054-21sshd22:17:583
1858599203,15cyclictest0-21swapper/323:15:133
1858599202,8cyclictest6103-21sshd22:26:473
1858599202,7cyclictest13386-21sshd22:09:273
1858599201,7cyclictest2066-21nscd21:20:223
1858599201,6cyclictest0-21swapper/321:18:053
1858599201,11cyclictest27394-21sshd23:09:593
1858599200,18cyclictest144650irq/27-eth020:45:173
1858599200,18cyclictest10310-21sshd21:38:143
1858599200,11cyclictest5993-21ls21:05:003
1858599200,11cyclictest5993-21ls21:05:003
166732200,18sleep2144650irq/27-eth000:38:092
110392200,1sleep00-21swapper/000:29:200
1858599197,10cyclictest3777-21sshd22:56:013
1858599194,4cyclictest24825-21sshd22:21:183
1858599193,8cyclictest2066-21nscd00:20:193
1858599193,8cyclictest12751-21sshd21:45:193
1858599193,14cyclictest22936-21sshd21:32:433
1858599192,6cyclictest2132-21sshd21:10:113
1858599192,15cyclictest2024-21nfsd23:45:173
1858599191,5cyclictest144650irq/27-eth023:26:513
1858599190,5cyclictest144650irq/27-eth022:45:363
1858399197,3cyclictest15036-21sshd23:56:132
1858599188,8cyclictest20976-21atenall_r5power19:15:103
1858599188,8cyclictest2024-21nfsd00:26:413
1858599184,6cyclictest25747-21sshd21:50:113
1858599183,7cyclictest5646-21sort23:55:163
1858599183,14cyclictest14449-21needreboot20:10:173
1858599182,8cyclictest25521-21sshd21:25:233
1858599181,8cyclictest2024-21nfsd21:05:173
18585991810,6cyclictest26804-21sshd00:35:193
1858599180,9cyclictest144650irq/27-eth022:40:253
1858399180,6cyclictest25827-21sshd23:43:132
170402180,1sleep017038-21sshd21:56:000
15462180,2sleep10-21swapper/121:22:541
149212180,3sleep20-21swapper/222:53:282
77762170,15sleep1144650irq/27-eth021:55:091
73162170,1sleep041ktimersoftd/000:06:350
205902170,14sleep1144650irq/27-eth000:11:431
1858599179,6cyclictest8935-21munin-node20:00:213
1858599179,6cyclictest2024-21nfsd20:30:173
1858399173,12cyclictest31555-21id21:12:232
1858399170,9cyclictest4194-21sshd22:40:292
1858399170,9cyclictest32558-21sshd23:28:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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